Gebruiksaanwijzing /service van het product 50BV020-064 van de fabrikant Carrier
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Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53500001-0 1 Printed in U .S.A. F orm 50BV -3SI Pg 1 10-08 Replaces: 50BV -2SI Installation, Star t-Up and Ser v ice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 equipment. Follow all safety c odes. W ear safety glasses and work gloves. GENERAL Omnizone™ 50BV indoor packaged units are very flexible for a variety of applications. These self-contained units are available as water-cool ed or re mote air-cooled air conditioning units.
3 INST ALLA TION Omnizone™ 50BV units are intended for indoor installa- tion only . Determine building alterations required to run piping, wiring, and ductwork. Read all installation instructions before installing the unit. Step 1 — Complete Pre-Installation Chec ks EXAMINE THE UNIT — Ex a mi ne t he u nit fo r s hip pin g damage.
4 S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION Fig. 2 — 50BVC,J ,Q020 -034 Dimensions NOTES: 1. Dimensions in inches [mm]. 2. V A V mode ls (50BVJ) ar e rear ret urn, top supply only .
5 S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION Fig. 3 — 50BVE,K020- 034 Dimensi ons NOTES: 1. Dimen sions in inches [mm]. 2. V A V models (50 BVK) are re ar return, top supply only .
6 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 15.00 13.00 31.00 BLOWER SECTION ACCESS EVAPORATOR ACCESS 2.88 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER.
7 Fig. 5 — 50 BVT ,V ,W034 (Low-Boy) Dimensions a50-8202 NO TES: 1. Dimensions i n inches. 2. All units are rear return airflo w configu ration. 3. Recommended mi nimum ser vice clearances are as f ollow s: a. Front and rear — 30 in. (762 mm) b. Left or right side — 65 in.
8 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 15.00 13.00 31.00 COMPRESSOR ACCESS EVAPORATOR ACCESS EVAPORATOR ACCESS ELECTRICAL BOX ACCESS COMPRESSOR ACCESS BLOWER SECTION ACCESS BLOWER SECTION ACCESS EVAPORATOR ACCESS ELECTRICAL BOX 2.
9 Fig. 7 — 50BVT ,V ,W044-064 (Lo w-Bo y) Dimensions CONNECTIONS REPLACEMENT FIL TERS : SIXTEEN (16) A T 17 x 27 x 4 INCHES. UNIT SIZE 04 4 054 064 A WA TER OUT 2-1/2 in. FPT 3 in. FPT 3 in. FPT B W A TER IN 2-1/2 in. FPT 3 in. FPT 3 in. FPT C CONDENSA TE DRAIN 1-1/ 4 in.
10 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 13.00 31.00 BLOWER SECTION ACCESS EVAPORATOR ACCESS 2.88 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER ACCE.
11 a50-8206 Fig. 9 — 50BVU ,X034 (Low-Bo y) Dimensions NO TES: 1. Dimensions in inches . 2. All unit s are rear r eturn airflow configur ation. 3. Recommended co ndenser match is ONE (1) 09DK0 34 (50/50 spl it). 4. Use proper p iping prac tice f or remote refrigeran t connections .
12 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 13.00 31.00 COMPRESSOR ACCESS EVAPORATOR ACCESS EVAPORATOR ACCESS ELECTRICAL BOX ACCESS COMPRESSOR ACCESS BLOWER SECTION ACCESS BLOWER SECTION ACCESS EVAPORATOR ACCESS ELECTRICAL BOX 2.
13 a50-8208 NOTES: 1. Dimensi ons in inches. 2. All units are rear return airflow configuration. 3. Use prope r piping practice for remot e refrigerant co nnections. Refer to Carrier Sy stem Design Manual Part 3. 4. Recommen ded minimum service clearances ar e as follows: a.
14 Fig. 12 — 50BVC,J,Q020-028 with Optional W a terside Economizer Dimensions NOTES: 1. Dimensi ons in inches [mm]. 2. Refer to base unit cer tified drawing fo r additional unit dimen sions, service clearance , and alternate air flow confi gurations .
15 Fig. 13 — 50BVC,J ,Q034 with Optional W a terside Economizer Dimens ions NOTES: 1. Dimensions in inches [mm]. 2. Refer to base unit certifi ed drawing for additional unit dime nsions, servi ce clearances , and alte rnate airflow configura tions.
16 * * a50-8235 Shipping Weights (lb) *High-boy/lo w-bo y . 50BVT ,U,V ,W ,X UNIT HIGH-BO Y U NIT LO W-BO Y UNIT 034 044 054 064 034 044 054 064 MAIN AIR CONDITIONING SECTION (EACH) NUMBER OF SECTIONS.
17 Table 3A — Physic al Data — 50BVC,E,J,K,Q LEGEND *R-410A models. UNIT 50BVC,E,J,K,Q 020 024 028 034 NOMINAL CAP ACITY (T ons) 18 20 25 30 OPERA TING WEIGHT (lb) 50BVC,Q…50BVJ 1192…1227 1 37.
18 Table 3B — Physical Data — 50BVT,U,V,W,X UNIT 50BVT ,U,V ,W ,X 034 044 054 064 NOMINAL CAP ACITY (T ons) 30 40 50 60 OPERA TING WEIGHT (lb) 50BVT ,V…50BVW 2580…2645 4334…4404 5198…5298 .
19 ACOUSTICAL CONSIDERA T IONS — P r op e r a c o u st i ca l considerations are a critical part of every system’ s design and operation. Each system design and instal lation should be reviewed for its own unique requirements. For job specific requirements, contact an acoustic al consultant for guidance and recommendations.
20 acceptable system static pressure. If the exis ting duct system is too small, larger ductwork must be installed. The duct system and diffusers sh ould be sized to hand le the design airflow volum es quietly .
21 Step 4 — Make Piping Connections CONDENSER W A TER PIPING (W ater-Cooled Only) — Always follow national and local codes when installing water piping to ensure a safe and pr oper installation.
22 Table 5A — Condenser Pressu re Drop 50BVC,J,Q Units LEGEND Table 5B — Condenser Pressu re Drop 50BVT,V,W Units LEGEND Pressure and temperature por ts are recommended in both the supply and return lines for system flow balancing. These openings should be 5 to 10 pipe diameters from the unit water connections.
23 Table 6A — Hot Water Pressur e Drop 50BVC,E,J,K,Q Units LEGEND Table 6B — Hot Water Pressur e Drop 50BVT,U,V,W,X Units LEGEND Pipe sizes should be selected based on the head pressure available from the pump. W ater velocity should not exceed 8 fps.
24 Table 7B — Economizer Pressure Drop Curve (ft wg), 50BV T,U,V,W,X Units LEGEND REMOTE REFRIGERANT PIPI NG (Remote Air - Cooled O nl y ) — Carrier 50BVE,K,U,X units are supplied without condensers. T o complete the in stallation, these units must be field connected to a suitable remote condenser .
25 For an unbalanced 3-phase supply voltage, use the follow- ing formula to determine the percent of voltage imbalance: Percent V oltage Im balance Example: Supply voltage is 460-3-60.
26 Table 9B — Electric al Data — 50BVT,U,V, W,X LEGEND UNIT SI ZE 50BVT ,U,V ,W ,X NOMINAL VO LT AG E (3 Ph, 60 Hz) VO L T AG E RANGE COMPRESSOR INDOOR F AN MO T OR PO WER SUPPL Y DISCONNECT SIZE No. 1 / No. 2 No. 3 / No. 4 Min Max RLA LRA RLA LRA Qty HP (ea) FLA (ea) MCA MOCP FLA 034 208/230 187 253 62.
27 Modular Units — For units with multiple main air- conditioning sections, connect the high voltage compressor power wiring to the line side of the high voltage terminal block in the second section’ s high volta ge electrical box. This wiring is located in the upper portion of the compressor compartment.
28 Table 10 — Recommended Cabl es NOTE: Conductors and drain wire must be at least 20 A WG (American W ire Gage), stranded, and tinned copp er . Individual conductors must be insulated with PVC, PVC/nylon, vinyl, Te f l o n ® *, or polyethylene.
29 TRANS-1 PCB1 TB2 CSMUX PCB1 TB2 TRANS-1 Fig. 27 — Modular Unit VAV Contro l Panel Fig. 28 — Single -Piece Unit VAV Control Panel Fig. 29 — Supply/Return Air Temperature Sensor (P/N HH79NZ043) Fig.
30 Table 11 — Thermistor Resistance vs Temperature Values for Supply- Air Temperature Sens or (10 Kilo- ohm) SMOKE DETECTOR/FIRE ALARM SHUTDOWN ( F S D ) — T o allow a smoke detector to shut the 50BV down, remove the jumper from FSD to C and wire these terminals to a set of normally closed contacts on the smoke detector .
31 when it starts. Also, no cooling will be produced at the evaporator . If any of these conditions occurs, refer to the Service section to correct the compressor rotation before continuing. IN TE RN A L W IR IN G — Check all electrical connections in unit control boxes; tighten as required.
32 Table 14 — Fan Performance — 5 0BVC,E,Q024 LEGEND NO TES: 1. Units are a vailab le with the f ollowing motor and drive combina- tions: 2, 3, and 5 H P standard drive; 2, 3 HP medium static drive . F or 2, 3 HP standard dr iv es, the drive range is 753 to 952 rpm.
33 Table 15 — Fan Performance — 5 0BVC,E,Q028 LEGEND NO TES: 1. Units are a vailab le with 3 or 5 HP standard drive or 3 HP medium static drive. F or 3 HP standard drives, the drive range is 753 to 952 rpm. F or medium static drives, the driv e range is 872 to 1071 rpm.
34 Table 16 — Fan Performance — 5 0BVC,E,Q034 LEGEND NO TES: 1. Unit is a vailab le with 5 HP standard drive only . The drive r ange is 967 to 1290 r pm.
35 Table 17 — Fan Performance — 50BVT,U,V034 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
36 Table 17 — Fan Performance — 50BVT,U,V0 34 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
37 Table 18 — Fan Performance — 50BVT,U,V044 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive com- binations: 7.5, 10, 15 HP standard drive; 7.5, 10, 15 HP medium-static drive; 7.5, 10, 15 HP high-static dr iv e. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm.
38 Table 19 — Fan Performance — 50BVT,U,V054 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive com- binations: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
39 Table 19 — Fan Performance — 50BVT,U,V0 54 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
40 Table 20 — Fan Performance — 50BVT,U,V064 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
41 Table 20 — Fan Performance — 50BVT,U,V0 64 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
42 V A V Unit Star t-Up PERFORM AUTOMA TIC RUN TEST — The 50BVJ,K, W ,X unit controls are programmed with an automatic run test that checks connection and ope ration of major components.
43 23. The co ntrol forces CMP2 (compressor 2) on then waits 5 seconds. If CSMUX is not in range, the red LED will go on and the test will stop. If CSMUX is in range, the red LED blinks once and the test continues. 24. The control forces CMP2 of f. 25.
44 If the LID display is in Edit mode, then the display will only show the word “password.” Press the key to toggle to the Status mode. Make sure the LID dis- play shows: Log in to Controller Enter Password 3. Key in the password and press . N O T E : Th e d e f a u l t p a s sw o r d i s 1111 .
45 7. Enter the day of the month. Press then press . The LID display will show: Ye a r 95 8. Enter the last two digits of the current year . Press then press . The LID display will show: Update Clock No 9. Press 1 and then t o update the clock. The LID display will flash.
46 Table 21 — Con troller Set Points CHECK SYSTEM P ARAMETERS — T o ch ec k sy s te m parameters, press the button. The LID display will show: “Hardware Points”. Press to view the hard- ware points. The user can navigate up and down through the points with the and keys.
47 DISPLA Y ALARM HISTOR Y — If t he con t r ol l e r i s in d ic at- ing there are alarms , the user can view the alarm history by pressing the button. The LID display will show “Alarm History .” Press . The LID display will show the date and type of alarm.
48 Sequence of Operation (V A V Only) — The fol- lowing control sequence of operation for the V A V units de- scribes the various sequences that occur depending upon the way an operation is triggere d and which software control points are involved.
49 SER VICE Compressor Rotation — T o determine whether or not the compressor is rotating in the pro per direction: 1. Conn ect service gages to suction and disch arge pressure fittings. 2. Ener gize the compressor . The suction pressure should drop and the dischar ge pres- sure should rise, as is normal on any start-up.
50 GRA VITY FLOW METHOD (Fig. 34) — D o not a dd so l u - tion faster than the vent can exhaust the generated gases. When condenser is full, allow the solution to remain over- night then drain the condenser and flush with clean water . Fol- low acid manufacturer ’ s instructions.
51 Evaporator Fan P erformance Adjustment — T o change fan speeds from factory settings: 1. Shut off unit power suppl y . 2. Loosen nuts on the 4 carriage bolts in the mounting base. Using adjusting bolts and plate, slide the motor and remove the belt .
52 Table 27 — Run Test Troubleshooting (VAV Units Only) NO TE: F or more inf ormation on V A V controls, ref er to t he 50BV ,XJ Controls Operati on and T roubleshooting Manual. PROBLEM POSSIBLE CA USE Control modules do not hav e lights when unit power is on.
53 Table 28 — Unit Troubleshooting LEGEND PROBLEM POSSIBLE CA USE CORRECTION PROCEDURE Unit Will Not Star t. Loss of unit power Check pow er source. Check fuses, circuit breakers , disconnect switch. Check electrical contacts. Unit voltage not correct Check and correct.
54 Table 29 — CV Units LED Diagnostic Codes *F reeze protection and condensate o verflo w lock out require optional sensors. NO TE: The main control board has a red LED (light-emitting diode) for f ault indication and will blin k a code as described above.
55 Fig. 38 — 5 0BVC,E,Q020-034 Cons tant V olume Wiring Schematic a50-8250 LEGEND NO TES: 1. See u nit nameplate f or electrical rating. 2. All f ield wiring must be i n accordance with NEC-NFP A #70. 3. 208/2 30-v units are f actory wired for 208 -v operation.
56 Fig. 39 — 50BVT ,U,V034 Constan t V olume Wiring Schematic A50-8251 LEGEND NO TES : 1. See uni t nameplate f or electrical rating. 2. All field wiring must be in accorda nce with NEC-NFP A #70. 3. 208/230 -v units are f actory wired fo r 230-v operation.
57 Fig. 40 — 50BVT ,U,V044-06 4 Constant V olume Wiring Schematic LEGEND NO TES: 1. See u nit nameplate f or electrical rating. 2. All f ield wiring must be i n accordance with NEC-NFP A #70. 3. 208/2 30-v units are f actory wired for 2 30-v operation.
58 a50-8236 Fig. 41 — 50B VJ ,K020-034 V ariable A ir V olume Lo w V ol t a ge Schema tic NO TE: Jumper installed f or condenser water flo w switch when not supplied.
59 L1 L2 L3 T3 T2 COMPR2 CLO2 CURRENT LOOP CC2 T1 L3 L2 L1 COMPR 1 CC1 T2 T3 T1 CURRENT LOOP CLO1 TRANS-1 CBR PCB1 (J1-3) COMMON TBLK BM BM T2 L2 L3 T3 BR L1 T1 T2 L2 L3 T3 BR L1 T1 W VFD E U V R S T2.
60 a50-8237 NO TE: Jumper installed f or condenser water flow switch when not supplied. Fig. 43 — 50BVW ,X034-064 V ariable Air V olume Lo w V ol t a ge Schema tic.
61 L1 T1 L2 T2 L3 T3 CC2 COMPR2 CLO2 CURRENT LOOP L1 L2 L3 T3 T2 COMPR 4 CLO4 CURRENT LOOP CC4 T1 L1 L2 L3 T3 T2 COMPR 3 CLO3 CURRENT LOOP CC3 T1 L3 L2 L1 COMPR 1 CC1 T2 T3 T1 CURRENT LOOP CLO1 TRANS-.
62 TRANS-2 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 17 18 MA_RA FL TS 3 5 TRMOP COMMON TB 2 31 TO PCB1 (J7) J7 J3 J4 J1 PCB2 1 2 3 4 5 6 7 8 SW1.
63 TRANS-1 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 ALARM RED +- + WARN - - IN OUT SPEED VIA CC P24 CC S1 R SF 5 3 BYP AS VFD1 SF + - CMP1 CLO1 .
64 TRANS-1 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 ALARM RED +- + WARN - - IN OUT SPEED VIA CC P24 CC S1 R SF 5 3 BYP AS VFD1 SF + - CMP4 + - 2.
65 LEGEND AND NOTES FOR FIG. 41-47 LEGEND ALARM — Unit Alar m Relay (Critical F ault) ALM-CM — Alarm/Warning Rela y Common AO — Analog Output AQ UA — Aquastat BM — Blower Motor BPS_S — F a.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
CL-1 ST ART -UP CHECKLIST (Fill out this form on Start-Up and file in job folder) I. PRELIMINAR Y INFORMA TION: 50BV UNIT : MODEL NO. ____________________ SERIAL NO.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
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