Gebruiksaanwijzing /service van het product UH2442 / CH2442 van de fabrikant Sanyo
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85464849182000 REFERENCE NO. SM 830082 FILE NO. TECHNICAL D A T A & SER VICE MANU AL 1 2 3 4 Sectio n 5 XH2442 / CH2442 XH3642 / CH3642 XH4242 / CH4242 TH2442 / CH2442 TH3642 / CH3642 TH4242 / CH4242 KH2442 / CH2442 KH3642 / CH3642 UH2442 / CH2442 UH3642 / CH3642 SPLIT SYSTEM AIR CONDITIONER OUTDOOR MODEL No.
SM830082 Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.
WHO SHOULD USE THIS MANU AL This service manual is made to assist the service technician apply his knowledge and training to this model air conditioner. This manual is written both for experienced service persons and those who are new to air conditioning service.
2-7 Overload Protection (Heating) .................................................................. II - 9 2-8 Discharge Temperature Control (Cooling and Heating) ........................... II - 10 2-9 Auto. Mode for Automatic Heating/Cooling Switching .
I - 1 SM830082 1 2 3 4 5 1. Specifications 1. SPECIFICA TIONS 1-1 Unit Specifications ................................................................................. I - 2 4-Way Air Discharge Semi-concealed Type .....................................
I - 2 SM830082 1 2 3 4 5 1. Specifications 1-1 Unit Specifications MODEL No. Indoor Unit XH2442 Outdoor Unit CH2442 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 24,000 23,400 25,000 24,300 (17 ° F)** 16,400 15,800 Moisture remov al (High) Pints / h 8.
I - 3 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit XH3642 Outdoor Unit CH3642 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,500 33,500 37,500 36,500 (17 ° F)** 25,000 23,500 Moisture remov al (High) Pints / h 10.
I - 4 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit XH4242 Outdoor Unit CH4242 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 42,000 40,000 44,000 42,000 (17 ° F)** 28,000 26,000 Moisture remov al (High) Pints / h 14.
I - 5 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit TH2442 Outdoor Unit CH2442 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 22,400 21,600 25,400 25,000 (17 ° F)** 15,700 15,000 Moisture remov al (High) Pints / h 8.
I - 6 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit TH3642 Outdoor Unit CH3642 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,000 33,000 40,000 39,000 (17 ° F)** 25,000 24,000 Moisture remov al (High) Pints / h 10.
I - 7 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit TH4242 Outdoor Unit CH4242 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 42,000 40,000 44,000 42,000 (17 ° F)** 28,000 26,000 Moisture remov al (High) Pints / h 14.
I - 8 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit UH2442 Outdoor Unit CH2442 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 24,000 23,400 27,000 26,500 (17 ° F)** 16,200 15,500 Moisture remov al (High) Pints / h 8.
I - 9 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit UH3642 Outdoor Unit CH3642 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 34,500 33,000 37,500 36,500 (17 ° F)** 25,000 24,000 Moisture remov al (High) Pints / h 10.
I - 10 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit KH2442 Outdoor Unit CH2442 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 22,000 21,000 25,000 24,300 (17 ° F)** 16,000 15,300 Moisture remov al (High) Pints / h 7.
I - 11 SM830082 1 2 3 4 5 1. Specifications MODEL No. Indoor Unit KH3642 Outdoor Unit CH3642 PO WER SOURCE 230 - 208 V / 1 Phase / 60 Hz PERFORMANCE Cooling Heating Capacity* BTU / h 33,000 32,000 40,000 39,000 (17 ° F)** 25,000 24,000 Moisture remov al (High) Pints / h 10.
I - 12 SM830082 1 2 3 4 5 1. Specifications MODEL No . XH2442 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P.
I - 13 SM830082 1 2 3 4 5 1. Specifications MODEL No . XH3642 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P.
I - 14 SM830082 1 2 3 4 5 1. Specifications MODEL No . XH4242 Source 230 - 208 VAC / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P.
I - 15 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH2442 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 .
I - 16 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH3642 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 .
I - 17 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH4242 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - SH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 .
I - 18 SM830082 1 2 3 4 5 1. Specifications MODEL No . UH2442 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - BH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 .
I - 19 SM830082 1 2 3 4 5 1. Specifications MODEL No . UH3642 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - BH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan (Number … diameter) in. (mm) Centrifugal (4 .
I - 20 SM830082 1 2 3 4 5 1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No . KH2442 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - BH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Fan Cross-flow Number .
I - 21 SM830082 1 2 3 4 5 1. Specifications 1-2 Major Component Specifications (A) Indoor Unit MODEL No . KH3642 Source 230 - 208 V / 1 phase / 60 Hz Remote controller (Option) RCS - BH80UA, WL Controller P. C. B Ass'y CR - TH2442 Control circuit fuse 250 V, 3 A Switch Ass'y SW - KHS2432 Fan Cross-flow Number .
I - 22 SM830082 1 2 3 4 5 1. Specifications 1-2 Major Component Specifications (B) Outdoor Unit MODEL No. CH2442 Source 230 - 208 VAC / 1 phase / 60 Hz Controller P.
I - 23 SM830082 1 2 3 4 5 1. Specifications 1-2 Major Component Specifications (B) Outdoor Unit MODEL No. CH3642 Source 230 - 208 VAC / 1 phase / 60 Hz Controller P.
I - 24 SM830082 1 2 3 4 5 1. Specifications 1-2 Major Component Specifications (B) Outdoor Unit + 2.0 + 0.5 D A T A SUBJECT T O CHANGE WITHOUT NO TICE MODEL No .
I - 25 SM830082 1 2 3 4 5 1. Specifications 1-3 Other Component Specifications (A) Indoor Unit MODEL No . XH2442 Power Transformer ATR – II224A Rated Primary 220 VAC, 60 Hz Secondary BRN - BRN : 14 V, 0.45 A, RED - RED : 14 V, 0.3 A Capacity — Coil resistance Ω WHT - WHT : 61.
I - 26 SM830082 1 2 3 4 5 1. Specifications 1-3 Other Component Specifications (A) Indoor Unit MODEL No . XH3642 Power Transformer ATR – IIK224A Rated Primary 220 VAC, 60 Hz Secondary BRN - BRN : 14 V, 0.45 A, RED - RED : 14 V, 0.3 A Capacity — Coil resistance Ω WHT - WHT : 61.
I - 27 SM830082 1 2 3 4 5 1. Specifications 1-3 Other Component Specifications (A) Indoor Unit MODEL No . XH4242 Power Transformer ATR – IIK224A Rated Primary 220 VAC, 60 Hz Secondary BRN - BRN : 14 V, 0.45 A, RED - RED : 14 V, 0.3 A Capacity — Coil resistance Ω WHT - WHT : 61.
I - 28 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH2442 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 29 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH3642 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.55 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 30 SM830082 1 2 3 4 5 1. Specifications MODEL No . TH4242 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 31 SM830082 1 2 3 4 5 1. Specifications MODEL No . UH2442 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 32 SM830082 1 2 3 4 5 1. Specifications MODEL No . UH3642 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 33 SM830082 1 2 3 4 5 1. Specifications MODEL No . KH2442 Power Transformer ATR – IIK244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 34 SM830082 1 2 3 4 5 1. Specifications MODEL No . KH3642 Power Transformer ATR – II244B Rated Primary AC 220 V, 60 Hz Secondary BRN - BRN : 14 V / 0.55 A, RED - RED : 14 V / 0.3 A Capacity — Coil resistance Ω WHT - WHT : 48.0 , RED - RED : 0.
I - 35 SM830082 1 2 3 4 5 1. Specifications 1-3 Other Component Specifications (B) Outdoor Unit MODEL No. CH2442 Compressor Motor Magnetic Contactor FC - 1UL Coil rated 240 VAC, 60 Hz Coil resistance .
I - 36 SM830082 1 2 3 4 5 1. Specifications MODEL No. CH3642 Compressor Motor Magnetic Contactor FC - 1SUL Coil rated 240 VAC, 60 Hz Coil resistance (at 68 ° F) Ω 588 ± 10 % Contact rated (Main) 240 VAC, 26 A Contact rated (Auxiliary) 240 VAC, 3 A Power Relay HH62S Coil rated 240 VAC, 60 Hz Coil resistance (at 77 ° F) k Ω 17.
I - 37 SM830082 1 2 3 4 5 1. Specifications MODEL No. CH4242 Compressor Motor Magnetic Contactor FC - 2SUL Coil rated 240 VAC, 60 Hz Coil resistance (at 68 ° F) Ω 350 ± 10 % Contact rated (Main) 240 VAC, 35 A Contact rated (Auxiliary) 240 VAC, 3 A Power Relay HH62S Coil rated 240 VAC, 60 Hz Coil resistance (at 77 ° F) k Ω 17.
I - 38 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : 4-Way Air Discharge Semi-concealed Type 24 Type 33-27/32 3-15/16 30-9/16 19-11/16 19-11/16 12-1/8 1-3/16 4-7/8 15/32 15/3.
I - 39 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : 4-Way Air Discharge Semi-concealed Type 36, 42 Type 45-9/32 41-31/32 31-3/32 19-11/16 13-5/16 1-3/16 4-7/8 15/32 15/32 1-.
I - 40 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Ceiling Mounted Type 24 Type Drain connection Drain connection for left side Refrigerant liquid line (1/4") Flare co.
I - 41 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Ceiling Mounted Type 36, 42 Type Drain connection Drain connection for left side Refrigerant liquid line (3/8") Flar.
I - 42 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Concealed Duct Type 24 Type Refrigerant liquid line ø3/8 (narrow tube) (Use the tube connector) Refrigerant gas line ø5/8 (wide tube) Upper drain port (O.D. 1-1/4) Bottom drain port (O.
I - 43 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Concealed Duct Type 36 Type Refrigerant liquid line ø3/8 (narrow tube) Refrigerant gas line ø3/4 (wide tube) Upper drain port (O.
I - 44 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Concealed Duct Type ■ Flange for the air intake duct (Field supply) : For Concealed Duct Type 23/32 1-7/32 F G H G F 11/32 E D B (O.D.) A (Hole) C-ø1/8 (Hole) 1/4 (Hole) 12-1/32 10-1/4 (O.
I - 45 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Wall Mounted Type 24 Type 49-7/32 Dimension : inch Refrigerant gas line (wide tubing: ø 3/4) Refrigerant liquid line (na.
I - 46 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional data Indoor unit : Wall Mounted Type 36 Type 59-1/16 Dimension : inch Refrigerant gas line (wide tubing 3/4") Refrigerant liquid line (.
I - 47 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional Data (B) Outdoor Unit: CH2442 15-3/4 14-31/32 13/32 1-3/16 1-31/32 28-15/16 11 12-1/16 37 Dimension : inch Hole for anchor bolt (4-ø1/2) Refrigerant tube joint (narrow tube) Flare connection 1/4 in (6.
I - 48 SM830082 1 2 3 4 5 1. Specifications 1-4 Dimensional Data (B) Outdoor Unit: CH3642, CH4242 48-5/8 22-27/32 23-29/32 37 Dimension : inch Hole for anchor bolt (4-ø13) Refrigerant tube joint (narrow tube) Flare connection 3/8 in (9.52 mm) Refrigerant tube joint (wide tube) Flare connection 3/4 in (19.
I - 49 SM830082 1 2 3 4 5 1. Specifications 1-5 Refrigerant Flow Diagram Outdoor Unit: CH2442 Indoor Unit: 24 Type HP High pressure switch Compressor Accumulator Accumulator EC P Heat exchanger 4-way valve EC P Heat exchanger Distributor Electronic ref.
I - 50 SM830082 1 2 3 4 5 1. Specifications HP High pressure switch Compressor Accumulator EC P Heat exchanger 4-way valve EC P Heat exchanger Distributor Electronic ref.control valve Strainer Liquid line nipple Liquid line service valve O.D. 3/8" (9.
I - 51 SM830082 1 2 3 4 5 1. Specifications RATING CAPACITY : 24,000 BTU/h AIR FLOW RATE: 5 4 0 CF M EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.9) (29.4) (35.0) (40.6) (46.1) T C 24,310 23,140 21,790 20,280 18,600 C I 1.
I - 52 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: XH2442 Outdoor Unit: CH2442 • 208V / 1 phase / 60Hz RATING CAPACITY : 23,400 BTU/h AIR FLOW RATE: 5 1 0 C FM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 85 9 5 105 115 (23.
I - 53 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: XH3642 Outdoor Unit: CH3642 • 230V / 1 phase / 60Hz RATING CAPACITY : 34,500 BTU/h AIR FLOW RATE: 9 8 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 54 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: XH3642 Outdoor Unit: CH3642 • 208V / 1 phase / 60Hz RATING CAPACITY : 33,500 BTU/h AIR FLOW RATE: 8 8 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 8 5 9 5 105 115 (23.
I - 55 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: XH4242 Outdoor Unit: CH4242 • 230V / 1 phase / 60Hz RATING CAPACITY : 42,000 BTU/h AIR FLOW RATE: 9 8 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 56 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: XH4242 Outdoor Unit: CH4242 • 208V / 1 phase / 60Hz RATING CAPACITY : 40,000 BTU/h AIR FLOW RATE: 8 8 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 8 5 9 5 105 115 (23.
I - 57 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH2442 Outdoor Unit: CH2442 • 230V / 1 phase / 60Hz RATING CAPACITY : 22,400 BTU/h AIR FLOW RATE: 4 6 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 58 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH2442 Outdoor Unit: CH2442 • 208V / 1 phase / 60Hz RATING CAPACITY : 21,600 BTU/h AIR FLOW RATE: 4 1 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 59 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH3642 Outdoor Unit: CH3642 • 230V / 1 phase / 60Hz RATING CAPACITY : 34,000 BTU/h AIR FLOW RATE: 9 0 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 60 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH3642 Outdoor Unit: CH3642 • 208V / 1 phase / 60Hz RATING CAPACITY : 33,000 BTU/h AIR FLOW RATE: 8 0 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 61 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH4242 Outdoor Unit: CH4242 • 230V / 1 phase / 60Hz RATING CAPACITY : 42,000 BTU/h AIR FLOW RATE: 9 0 0 C FM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 8 5 9 5 105 115 (23.
I - 62 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: TH4242 Outdoor Unit: CH4242 • 208V / 1 phase / 60Hz RATING CAPACITY : 40,000 BTU/h AIR FLOW RATE: 8 0 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 63 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: UH2442 Outdoor Unit: CH2442 • 230V / 1 phase / 60Hz RATING CAPACITY : 24,000 BTU/h AIR FLOW RATE: 6 7 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 64 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: UH2442 Outdoor Unit: CH2442 • 208V / 1 phase / 60Hz RATING CAPACITY : 23,400 BTU/h AIR FLOW RATE: 6 0 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 65 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: UH3642 Outdoor Unit: CH3642 • 230V / 1 phase / 60Hz RATING CAPACITY : 34,500 BTU/h AIR FLOW RATE: 1,060 CF M EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 8 5 9 5 105 115 (23.
I - 66 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: UH3642 Outdoor Unit: CH3642 • 208V / 1 phase / 60Hz RATING CAPACITY : 33,000 BTU/h AIR FLOW RATE: 9 5 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 67 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: KH2442 Outdoor Unit: CH2442 • 230V / 1 phase / 60Hz RATING CAPACITY : 22,000 BTU/h AIR FLOW RATE: 5 4 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 68 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: KH2442 Outdoor Unit: CH2442 • 208V / 1 phase / 60Hz RATING CAPACITY : 21,000 BTU/h AIR FLOW RATE: 5 1 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 85 9 5 105 115 (23.
I - 69 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: KH3642 Outdoor Unit: CH3642 • 230V / 1 phase / 60Hz RATING CAPACITY : 33,000 BTU/h AIR FLOW RATE: 8 3 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB D B 75 8 5 9 5 105 115 (23.
I - 70 SM830082 1 2 3 4 5 1. Specifications Indoor Unit: KH3642 Outdoor Unit: CH3642 • 208V / 1 phase / 60Hz RATING CAPACITY : 32,000 BTU/h AIR FLOW RATE: 7 5 0 CFM EVAPORATOR CONDENSER ENT.TEMP. ° F( ° C) AMBIENT TEMP ° F( ° C) WB DB 75 8 5 9 5 105 115 (23.
I - 71 SM830082 1 2 3 4 5 1. Specifications 1-8 Heating Capacity 2182_X_S Indoor entering air temperature: 70 ° F Heating capacity (%) Outdoor ambient temp .
I - 72 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: XH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 73 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: XH4242 Outdoor Unit: CH4242 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 74 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: TH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 75 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: TH4242 Outdoor Unit: CH4242 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 76 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: UH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 77 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: KH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 78 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: XH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 79 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: XH4242 Outdoor Unit: CH4242 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 80 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: TH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 81 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: TH4242 Outdoor Unit: CH4242 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 82 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: UH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 83 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (1) Operating Current 1 1 1 1 1 Indoor Unit: KH2442 Outdoor Unit: CH2442 Operating current characteristics versus outdoor ambient temperature and indoor temperature.
I - 84 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 24 Type Outdoor Unit: CH2442 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 85 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 36 Type Outdoor Unit: CH3642 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 86 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Cooling Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 42 Type Outdoor Unit: CH4242 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 87 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 24 Type Outdoor Unit: CH2442 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 88 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 36 Type Outdoor Unit: CH3642 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 89 SM830082 1 2 3 4 5 1. Specifications 1-9 Performance Charts ● Heating Characteristics (2) Operating Pressure 1 1 1 1 1 Indoor Unit: 42 Type Outdoor Unit: CH4242 • High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature.
I - 90 SM830082 1 2 3 4 5 1. Specifications 1-10 Noise Criterion Curves ● 4-Way Air Discharge Semi-concealed Type MODEL : XH2442 SOUND LEVEL : HIGH 38 dB(A), NC 31 LOW 31 dB(A), NC 23 CONDITION : Center, Under the unit 4.
I - 91 SM830082 1 2 3 4 5 1. Specifications 1-10 Noise Criterion Curves ● Ceiling Mounted Type MODEL : TH2442 SOUND LEVEL : HIGH 40 dB(A), NC 34 LOW 36 dB(A), NC 26 CONDITION : Distance 3.3 ft., Under the unit 3.3 ft. SOURCE : 208 - 230 V, 1 Phase, 60 Hz 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
I - 92 SM830082 1 2 3 4 5 1. Specifications 1-10 Noise Criterion Curves ● Concealed Duct Type MODEL : UH2442 SOUND LEVEL : HIGH 34 dB(A), NC 22 / LOW 27 dB(A), NC 18 CONDITION : Under the unit 4.
I - 93 SM830082 1 2 3 4 5 1. Specifications 1-10 Noise Criterion Curves ● Wall Mounted Type MODEL : KH2442 SOUND LEVEL : HIGH 45 dB(A), NC 38 LOW 40 dB(A), NC 33 CONDITION : Distance 3.3 ft., Under the unit 3.3 ft. SOURCE : 208 - 230 V, 1 Phase, 60 Hz MODEL : KH3642 SOUND LEVEL : HIGH 48 dB(A), NC 41 LOW 40 dB(A), NC 33 CONDITION : Distance 3.
I - 94 SM830082 1 2 3 4 5 1. Specifications 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 0597_C_S APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0dB=0.
I - 95 SM830082 1 2 3 4 5 1. Specifications 1-11 Increasing the Fan Speed If external static pressure is too great (due to long extension of ducts, for example), the air flow volume may drop too low at each air outlet.
I - 96 SM830082 1 2 3 4 5 1. Specifications 1-12 Air throw distance chart ● 4-Way Air Discharge Semi-concealed Type Model: 24 Type Model: 36, 42 Type : LOUVER ANGLE 20˚ in Cooling mode : LOUVER ANGLE 60˚ in Heating mode Condition Fan Speed : Hi Room air temp.
I - 97 SM830082 1 2 3 4 5 1. Specifications 1-12 Air throw distance chart ● Ceiling Mounted Type Model: 24 Type Model: 36 Type Model: 42 Type 0 3 7 1 01 3 1 7 2 02 32 62 9 3 3 0 3 7 10 13 17 HORIZONT AL DIST ANCE (ft.) AXIS AIR VELOCITY (ft./sec) VERTICAL DIST ANCE (ft.
I - 98 SM830082 1 2 3 4 5 1. Specifications 1-12 Air throw distance chart ● Wall Mounted Type MODEL: KHS2442 COOLING - - - - - HEA TING F AN SPEED HIGH HIGH ROOM AIR TEMP . 80 ° F7 0 ° F FLAP ANGLE 0 ° , 22.5 ° , 45 ° 54 ° , 67.5 ° MODEL: KHS3642 COOLING - - - - - HEA TING F AN SPEED HIGH HIGH ROOM AIR TEMP .
I - 99 SM830082 1 2 3 4 5 1. Specifications ● T ubing Length ● Refrigerant tubing between the indoor and outdoor units should be kept as short as possible. ● Select and decide the installation location so that the length of the refrigerant tubing will be within the limits given in T able 1-10.
I - 100 SM830082 1 2 3 4 5 1. Specifications Ceiling-Mounted T ype ■ SELECTING THE INST ALLA TION SITE Indoor Unit A V OID: ● areas where leakage of flammab le gas ma y be e xpected. ● places where large amounts of oil mist e xist. ● direct sunlight.
I - 101 SM830082 1 2 3 4 5 1. Specifications Out- door unit Heat source Hot air Exhaust fan 0591_C_I Outdoor Unit A V OID: ● heat sources, e xhaust fans , etc. (Fig. 2-1) ● damp , humid or unev en locations. DO: ● choose a place as cool as possible .
I - 102 SM830082 1 2 3 4 5 1. Specifications Air discharge 0426_C_I Recommended outer dimensions of wind shield (field supply) 0936_C_I 3 - ø1-9/16" hole 6 - ø15/64" hole 9-27/32" 21-.
I - 103 SM830082 1 2 3 4 5 1. Specifications 0937_C_I Without snow- proof ducting (Low platform) Snow-proof ducting (High platform) In regions with snow f all, the outdoor unit should be provided with a platf or m and snow-proof duct.
I - 104 SM830082 1 2 3 4 5 1. Specifications ■ ELECTRICAL WIRING ● General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram.
I - 105 SM830082 1 2 3 4 5 1. Specifications ● Wiring System Diagrams (1) Basic wiring diagram for standard control 1 2 U1 U2 1 2 1 2 1 2 1 2 G G L1 L2 G Indoor Unit Inter-unit power wiring Single p.
I - 106 SM830082 1 2 3 4 5 1. Specifications (2) Basic wiring diagram for group control This diagram shows when several units (max. 8) are controlled by a remote controller. In this case, a remote controller can be connected at any indoor unit. ● R.
I - 107 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 108 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 109 SM830082 1 2 3 4 5 1. Specifications Indoor model: XH4242 / Outdoor model: CH4242 ● Cooling ● Heating Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230 V 208 V 230 V 208 V 230 V 208 V 230 V 208 V Rating conditions A 1.
I - 110 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 111 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 112 SM830082 1 2 3 4 5 1. Specifications Indoor model: TH4242 / Outdoor model: CH4242 ● Cooling ● Heating Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230 V 208 V 230 V 208 V 230 V 208 V 230 V 208 V Rating conditions A 0.
I - 113 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 114 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 115 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
I - 116 SM830082 1 2 3 4 5 1. Specifications Cooling: Rating Conditions : Indoor Air Temperature 80 ° F DB / 67 ° F WB Outdoor Air Temperature 95 ° F DB Full Load Conditions : Indoor Air Temperatur.
II - 1 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2. PR OCESSES AND FUNCTIONS 2-1 Room Temperature Control ...................................................................... II - 2 (A) Cooling ..........................................
II - 2 SM830082 1 2 3 4 S ection 5 2. Processes and functions Fig. 1 Chart Summary and Explanations ❑ Once the compressor starts , it keeps running for 5 minutes.
II - 3 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions (B) Heating Chart Summary and Explanations ❑ Once the compressor starts, it keeps running for 5 minutes.
II - 4 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-2 Cold Draft Prevention (Heating Cycle) The cold draft prevention function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coils have warmed up.
II - 5 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions Fig. 4 2-3 Automatic Fan Speed (Indoor Unit) (A) Cooling By pressing the FAN SPEED button on the remote controller, the fan speed can be set at one of four steps: AUTO., HI., MED., or LO. When set at AUTO.
II - 6 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-4 Outdoor Fan Speed Control To optimize the performance of air conditioner, the outdoor fan speed is selected automatically according to the outdoor temperature. ❑ Note that in both Cooling and Heating modes, the fan comes on at first at high speed (H mode) for 5 seconds.
II - 7 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2-5 Freeze Prevention (Cooling) Freeze Prevention keeps the indoor heat exchange coil from freezing. Freezing reduces the efficiency of the unit, and frost build up on the coil blocks cool air circulation from the indoor unit's fan.
II - 8 SM830082 1 2 3 4 S ection 5 2. Processes and functions Fig. 9 2-6 Condensing T emperature Contr ol (Cooling) Condensing temperature is controlled by the outdoor heat exchanger coil temperature as sensed by sensor C2 .
II - 9 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions Fig. 10 2-7 Overload Protection (Heating) This function prevents the air conditioner from overloading.
II - 10 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-8 Discharge T emperature Control (Cooling and Heating) This function prevents the compressor motor from burnout by overheating. OUTDOOR FAN SPEED DISCHARGE GAS TEMP. ( ° F) 239 (24, 36 Type) 221 203 200 194 185 275 (42 Type) 257 239 235 230 221 COMPRESSOR ELECTRONIC REF.
II - 11 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2-9 Auto. Mode for A utomatic Heating/Cooling Switching ❑ When the AUTO mode is selected, the microprocessor calculates the difference between the set temperature and the room temperature, and automatically switches to the COOLING or HEATING mode to maintain the desired temperature.
II - 12 SM830082 1 2 3 4 S ection 5 2. Processes and functions Chart summary and Explanations ❑ This chart shows how the Operation Mode ( COOLING or HEATING ) is determined by the microprocessor taking the room temperature into consideration.
II - 13 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating) When the outdoor temperature is low, frost may form on the outdoor heat exchanger coil. When this occurred, the defrosting system operates.
II - 14 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-11 4-W ay V alve, Solenoid Control The basic function of the 4-way valve is to direct the refrigerant in the correct direction according to the Operation Mode ( COOLING or HEATING ) selected.
II - 15 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions (B) AUTO Control Mode When the Compressor has stopped while in AUTO mode, the 4-way valve switches on (heating) or off (cooling) within 1 minute according to the following conditions: Fig.
II - 16 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-13 Electronic Refrigerant Contr ol V alve ❑ This valve allows very precise and smooth control of the amount of refrigerant flow in the system.
II - 17 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2-15 Compressor Current Detection Circuit ❑ The Compressor Current Detection Circuit detects the compressor current and, depending on the current range, can stop the compressor motor so it will not be damaged by overcurrent.
II - 18 SM830082 1 2 3 4 S ection 5 2. Processes and functions 2-16 Electronic Refrigerant Contr ol V alve Control The circulation volume of the refrigerant is controlled by a pulse type electronic control valve.
II - 19 SM830082 1 2 3 4 Sectio n 5 2. Processes and functions 2-17 V olta ge Detection Contr ol When the power voltage falls below 160 V or rises above 260 V, operation lamp and stand-by lamp flash alternately to protect the compressor and electrical components.
3 III - 1 SM830082 3. Electrical data 3. ELECTRICAL D A T A 3-1 Indoor Units (Electric Wiring Diagram, Schematic Diagram) .................. III - 2 4-Way Air Discharge Semi-concealed Type .......................................... III - 2 Ceiling Mounted Type .
3 SM830082 III - 2 3. Electrical data TH1 TH2 TH3 3 1 2 1 2 1 2 1 TH4 3 1 2 1 DP 2P (GRN) 3P (WHT) 4 5 3 2 1 4 3 2 1 2 1 13 2 1 3 1 3 1 3 1 3 1 3 1 4 3 5 6 2 14 3 5 6 5 13 9 7 3 12 S P 1 Power Line Co.
3 III - 3 SM830082 3. Electrical data • Schematic Diagram S 854-2-5268-930-00-1 (X) FMI 2 1 3 1 2 1 2 1 2 1 2 1 3 1 3 1 3 1 2 3 4 5 1 5P- U2 5P- U1 To Outdoor Unit Indoor Coil Indoor Coil Indoor Coi.
3 SM830082 III - 4 3. Electrical data TH1 TH2 TH3 3 1 2 1 2 1 2 1 TH4 3 1 2 1 2 1 13 2 1 3 1 3 1 3 1 3 1 4 3 5 6 2 14 3 5 6 2 14 3 5 13 9 7 1 Power Line Control Line To Outdoor Unit Terminal Plate (5P.
3 III - 5 SM830082 3. Electrical data • Schematic Diagram S 854-2-5268-923-00-1 (T) FMI 2 1 3 1 2 1 2 1 2 1 3 1 3 1 3 1 2 3 4 5 1 5P- U2 5P- U1 To Outdoor Unit Indoor Coil Indoor Coil Indoor Coil Ro.
3 SM830082 III - 6 3. Electrical data 2 1 4 3 2 1 2 1 13 2 1 3 1 3 1 4 3 5 6 2 14 3 5 6 5 13 9 7 • Electric Wiring Diagram W 854-2-5268-940-00-1 (UH1242) TR1 GRN/YEL 49FI BLK RED BLK BLU WHT PNK RED.
3 III - 7 SM830082 3. Electrical data • Schematic Diagram S 854-2-5268-940-00-0 (UH1242) FMI 2 1 3 1 2 1 2 1 2 1 3 1 3 1 2 1 2 3 4 5 1 5P- U2 5P- U1 To Outdoor Unit TH4 TH3 TH2 TH1 CR 2 3 1 5 6 4 1 .
3 SM830082 III - 8 3. Electrical data 2 1 4 3 2 1 2 1 13 2 1 3 1 3 1 4 3 5 6 2 14 3 5 6 5 13 9 7 U1 Power Line Control Line To Outdoor Unit Earth Terminal • Electric Wiring Diagram W 854-2-5268-935-.
3 III - 9 SM830082 3. Electrical data • Schematic Diagram S 854-2-5268-935-00-0 (KH2442) FMI 2 1 3 1 2 1 2 1 2 1 3 1 2 1 2 3 4 5 1 2 3 4 5 1 4P- U2 4P- U1 To Outdoor Unit TH4 TH3 TH2 TH1 CR 2 3 1 5 .
3 SM830082 III - 10 3. Electrical data 2 1 4 3 2 1 2 1 13 2 1 3 1 3 1 4 3 5 6 2 14 3 5 6 5 13 9 7 U1 Power Line Control Line To Outdoor Unit Earth Terminal • Electric Wiring Diagram W 854-2-5268-936.
3 III - 11 SM830082 3. Electrical data • Schematic Diagram S 854-2-5268-936-00-0 (KH3642) FMI 2 1 3 1 2 1 2 1 2 1 3 1 2 1 2 3 4 5 1 2 3 4 5 1 4P- U2 4P- U1 To Outdoor Unit TH4 TH3 TH2 TH1 CR 2 3 1 5.
3 SM830082 III - 12 3. Electrical data • Electric Wiring Diagram TH6 TH7 TH8 2 1 2 1 2 1 3 1 63PH 3 1 3 1 3579 1 3 1 1 3 BLK BLK BLK BLK WHT WHT TR AC230V AC14V FMO PNK BRN GRY GRY WHT RED WHT VLT Y.
3 III - 13 SM830082 3. Electrical data 3-2 Outdoor Units 1 1 1 1 1 CH2442 • Schematic Diagram S 854-2-5268-945-00-0 (CH2442-S) FMO 2 1 3 1 1 2 2 1 2 1 2 1 3 1 TR AC 230V AC 14V TH8 TH7 TH6 2P-2 2P-1.
3 SM830082 III - 14 3. Electrical data • Electric Wiring Diagram TH6 TH7 TH8 2 1 2 1 2 1 3 1 63PH 3 1 3 1 3579 1 3 1 1 3 BLK BLK BLK BLK WHT WHT TR AC230V AC14V FMO2 PNK BRN GRY GRY WHT RED WHT VLT .
3 III - 15 SM830082 3. Electrical data 3-2 Outdoor Units 2 2 2 2 2 CH3642 • Schematic Diagram S 854-2-5268-946-00-0 (CH3462-S) FMO2 2 1 3 1 1 2 2 1 2 1 2 1 3 1 TR AC 230V AC 14V TH8 TH7 TH6 2P-2 2P-.
3 SM830082 III - 16 3. Electrical data • Electric Wiring Diagram TH6 TH7 TH8 2 1 2 1 2 1 3 1 63PH 3 1 3 1 3579 1 3 1 1 3 BLK BLK BLK BLK WHT WHT TR AC230V AC14V FMO2 PNK BRN GRY GRY WHT RED WHT VLT .
3 III - 17 SM830082 3. Electrical data 3-2 Outdoor Units 3 3 3 3 3 CH4242 • Schematic Diagram S 854-2-5268-948-00-0 (CH4242-S) FMO2 2 1 3 1 1 2 2 1 2 1 2 1 3 1 TR AC 230V AC 14V TH8 TH7 TH6 2P-2 2P-.
1 2 3 4 Sectio n IV - 1 SM830082 4. Service procedures 4. SER VICE PR OCEDURES 4-1 Troubleshooting ...................................................................................... IV - 2 (1) Check before and after Troubleshooting ...............
4. Service procedures 1 2 3 4 S ection SM830082 IV - 2 4-1 T r oubleshooting This section explains: This unit is made to be trouble free, and not need much service. However, with time, moving parts wear out, electronic components break down, and sometimes misuse damages the unit.
1 2 3 4 Sectio n IV - 3 SM830082 4. Service procedures (1) Check before and after Troubleshooting Many problems may happen because of wiring or power supply problems, so you should check these areas first. Problems here can cause false results in some of the other tests, and so should be corrected first.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 4 (2) General Troubleshooting Flow Chart: Diagnosis and Remedy When you have found a major problem, such as refrigerant not flowing in the system or reduced air circulation, come to this section and find the box listing the problem.
1 2 3 4 Sectio n IV - 5 SM830082 4. Service procedures (B) Heating Poor heating Is setting temp. suitable ? Change the setting temp. Is heating load too large ? Review heating load estimate. 4-way valve is defective. Replace the valve. Refrigerant shortage Charge with refrigerant.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 6 (3) Meanings of alarm messages When using group control, main indoor unit address setting is duplicated. (For single heat pump type.) Error in Auto. address setting. (No. or capacity of judged indoor unit is small.
1 2 3 4 Sectio n IV - 7 SM830082 4. Service procedures Thermistor failure Fault with comp. and its circuit Possible Cause of Malfunction Indoor thermistor is either open or damaged. Outdoor thermistor is either open or damaged. Protective device for comp.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 8 (4) LED Indication on the Outdoor Unit’s P.C.B. Ass’y If something goes wrong with the outdoor unit, LED lamps on the outdoor P.C.B. Ass’y light up to show the cause of the trouble, in addition to the Alarm message on the remote controller.
1 2 3 4 Sectio n IV - 9 SM830082 4. Service procedures (5) Symptoms and parts to inspect 1) Symptom: LCD on the remote controller does not display and remote controller does not operate. No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Start Replace the indoor unit PCB.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 10 2) Symptom: LCD on the remote controller displays “CHECK E01”. (Unusual communication between remote controller and indoor unit.) OK No No Yes Yes NG 2096_THS_I Start Remote controller judges itself with self-diagnostic functions Replace the remote controller.
1 2 3 4 Sectio n IV - 11 SM830082 4. Service procedures 4) Symptom: LCD on the remote controller is displaying “CHECK E04”. (Unusual communication between the indoor and outdoor units.) 5) Symptom: LCD on the remote controller is displaying “CHECK E05”.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 12 6) Symptom: LCD on the remote controller is displaying “CHECK E06”. (Unusual communication between the indoor and outdoor units) 7) Symptom: LCD on the remote controller is displaying “CHECK E08”.
1 2 3 4 Sectio n IV - 13 SM830082 4. Service procedures 9) Symptom: LCD on the remote controller displays “CHECK P01”. (Indoor fan protection thermostat operation warning) No No Yes Yes Yes 2098_T.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 14 10) Symptom: LCD on the remote controller displays “CHECK P02”. (Compressor / outdoor fan protection thermostat operation warning / power supply voltage abnormality) Yes No Yes No 2099_THS_I Start Is the outdoor fan wire winding protection thermostat (49FO) off? Replace the outdoor fan.
1 2 3 4 Sectio n IV - 15 SM830082 4. Service procedures 11) Symptoms: LCD on the remote controller displays “CHECK P03”. (Alarm for unusual discharge temp.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 16 13) Symptom: LCD on the remote controller displays “CHECK P05”. (Negative phase detection operation warning) 14) Symptom: LCD on the remote controller displays “CHECK E15”. Yes No No No Yes Yes 0345_M_I Start Check the power breaker etc.
1 2 3 4 Sectio n IV - 17 SM830082 4. Service procedures 15) Symptom: LCD on the remote controller displays “CHECK E16”. No No No Yes Yes 0647_M_S Start Repair the wiring. When the group of the units are installed, is there any mis-cross between inter unit control wiring and refrigerant tubing? Confirm less than 5 indoor units are connected.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 18 18) Symptom: LCD on the remote controller displays “CHECK H01, H02, H03”. (compressor current detection) * Please check the related part described in the following chart after confirming the code setting (S4) of the outdoor unit’s capacity on the PCB in the outdoor unit.
1 2 3 4 Sectio n IV - 19 SM830082 4. Service procedures (6) Procedures When a Specific Component Does Not Work 1) Indoor fan does not operate. No Yes Is fan motor capacitor normal ? Is there voltage output of P.C.B. Ass'y for fan motor ? • Check resistance of fan motor winding.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 20 4) Compressor motor does not operate. 5) Outdoor fan does not operate. No Yes Does compressor motor magnetic contactor (52C) actuate ? Replace the compressor motor magnetic contactor. Check resistance of compressor motor winding.
SM830082 IV - 21 SM830082 1 2 3 4 Sectio n 5 4. Service procedures (7) Service Functions of Optional Wired Remote Controller From the remote controller you can control both the operation and settings of the unit as well as perform several useful service checks.
4. Service procedures SM830082 IV - 22 1 2 3 4 S ection 5 Fig. IV-4 1929_M_I Sensor address Sensor temperature ° F a Unit No. (Indoor unit address) (B) Check the sensor temperature readings The air conditioner has thermo sensors which are used to control the unit.
SM830082 IV - 23 SM830082 1 2 3 4 Sectio n 5 4. Service procedures Refer to the table below for the relationship between the sensor address and the location of the sensor. In case there are no sensor equipped with the unit, “- - -” is shown on the display.
4. Service procedures SM830082 IV - 24 1 2 3 4 S ection 5 (D) Check the remote controller itself for correct operation The remote controller has a self-diagnostic function to check for problems in the remote controller itself.
SM830082 IV - 25 SM830082 1 2 3 4 Sectio n 5 4. Service procedures Never press (clear) button unless you want to erase the accessed data in memory. Follow the procedure below only when erasing is necessary. ❏ To erase accessed data, press the button.
4. Service procedures SM830082 IV - 26 1 2 3 4 S ection 5 (F) Confirm and change the indoor unit address (Ref. Fig. IV-8, IV-9) ❏ The purpose of the above function is to let you confirm the indoor unit address after the auto. address operation, and change the indoor unit address if it is needed.
SM830082 IV - 27 SM830082 1 2 3 4 Sectio n 5 4. Service procedures (G) Change the shift temperature in heating mode (Ref. Fig. IV-10) ❏ If the indoor unit is installed at high location (ex. ceiling level), the thermostat tends to turn off at heating mode because of the hot air temperature around ceiling level.
4. Service procedures SM830082 IV - 28 1 2 3 4 S ection 5 (H) Set the indoor unit address (Ref. Fig. IV-11, IV-12) ❏ This function is usable if the auto. address operation is not available. Indoor unit address can be set one by one by remote controller in such case.
SM830082 IV - 29 SM830082 1 2 3 4 Sectio n 5 4. Service procedures ( I ) Change the period of the filter timer (Ref. Fig. IV-13) ❏ If the period of filter timer is not suitable (for example in case of dirty environment), the period can be shortened to half as follows: a Press the + buttons at same time for more than 4 seconds.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 30 Fig. IV-14 Copper tube or metallic part Clip Insulation tester Probe Terminal plate 0639_X_S Fig. IV-15 Copper tube or metallic part Clip Insulation tester Probe 0640_X_S Fig. IV-16 From fan motor, compressor and other parts.
1 2 3 4 Sectio n SM830082 IV - 31 SM830082 4. Service procedures (2) Checking the Protective Devices • Disconnect the connector, which consists of P (plug) and S (socket) when you want to check the protective device. • Then check continuity among plug’s (and/or socket’s) terminal as in Fig.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 32 (3) Checking the Electrical Parts 1 Power transformer (TR1) ..................... Indoor unit *Measure the coil resistance. • Primary 230-208V ; Measure the resistance between No.1 and No.3 (WHT lead wires) terminals of 3P (WHT) socket connected to power transformer.
1 2 3 4 Sectio n SM830082 IV - 33 SM830082 4. Service procedures Fan motor capacitor Compressor motor capacitor 1041_X_S Multimeter Ω Fig. IV-19 6 6 6 6 6 Continuity of fuse on P.C.B. Ass’y • Check for continuity using a multimeter as shown in Fig.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 34 7 Solenoid coil of the electronic refrigerant *Measure the coil resistance. control valve (ERCV) ………… Indoor unit • Measure the resistance between No. 5 (GRY lead wire) and other terminals (another color of lead wires) of 5P (WHT) plug connected to the solenoid coil.
1 2 3 4 Sectio n SM830082 IV - 35 SM830082 4. Service procedures (2) Indoor heat exch. coil sensor : TH2(E1), TH3(E2) Outdoor heat exch. coil sensor : TH6(C1), TH7(C2) ( PBC-41E) (4) Thermistor Characteristic Curv (1) Room temp.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 36 (5) PCB Setting ● Setting of outdoor control PCB (A) Standard control (single outdoor unit) In case of single outdoor unit installation, even if in case of twin, triple or quartet type (2, 3 or 4 indoor units), no setting necessary.
1 2 3 4 Sectio n SM830082 IV - 37 SM830082 4. Service procedures (6) R.C. Address Setting Method (“0” when shipped from factory) 1 ON ON side OFF side 2 0 R.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 38 (7) Automatic Address Setting Method (8) Displaying Indoor / Outdoor Unit Com- bination Numbers Display the indoor / outdoor unit address after auto- matic address setting. (1) When installing multiple units, match the indoor unit address numbers and the outdoor R.
1 2 3 4 Sectio n SM830082 IV - 39 SM830082 4. Service procedures (9) Items to Check Prior to Test Run S4. Capacity code 1 ON ON side 2094_C_I OFF side S4 (green or Blue) capacity code (4P DIP switch) Outdoor control PCB 234 (1) Turn on the power supply switch more than 5 hours before in order to charge the crank case heater.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 40 (10) Test Run ■ Preparing for Test Run ● Before attempting to start the air conditioner, check the following: (1) All loose matter is removed from the cabinet especially steel filings, bits of wire, and clips.
1 2 3 4 Sectio n SM830082 IV - 41 SM830082 4. Service procedures Set the outdoor unit R.C. address. Turn on power supply switch. Execute auto. address operation with the remote controller. Press A. ADD (S1) button (See P87). or Execute auto. address operation with the remote controller.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 42 (11) PCBs and Their Location ● PCB (CR-TH2442) FOR INDOOR UNITS CN75 (WHT) : VCC CN73 (BLK) : RS1 CN71 (YEL) : T10 CN70 (WHT) : T6 CN44 (BRN) : EMG CN40 (BLU) : OC F3 : Fuse 0.
1 2 3 4 Sectio n SM830082 IV - 43 SM830082 4. Service procedures ● PCB (CR-CH2442) FOR OUTDOOR UNITS CN007 (RED) : EXCT S001 (A. ADD) : Auto address S004 (BLU) : Capacity code S003 (BLU) : R.
4. Service procedures 1 2 3 4 S ection SM830082 IV - 44 (12) Checking procedure for each PC Board The indoor and outdoor PCBs have functions to check the signal transmission and reception of the serial circuit and to check the microcomputer operation.
1 2 3 4 Sectio n SM830082 IV - 45 SM830082 4. Service procedures (13) TMX60 pins When shorting TMX60 pins on the indoor and outdoor PCBs, operations shown on the above table will be per- formed on each indoor and outdoor unit. Use TMX60 pins to perform a quick check.
SANYO FISHER Service Company CENTRAL REGION 1739 Sands Place, Suite G Marietta, GA 30067 Phone: (770) 951-8284 Fax: (770) 951-2077 Ju ly . / ’ 01 Printed in U.
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