Gebruiksaanwijzing /service van het product 580G van de fabrikant Bryant
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CONTENTS Page SAFETY CONSIDERA TIONS ...................... 1 INST ALLA TION ................................ 2-20 I. Provide Unit Support ...................... 2 II. Rig and Place Unit ........................ 2 III. Field Fabricate Ductwork .......
INST ALLA TION I. PROVIDE UNIT SUPPORT CAUTION: All panels must be in place when rig- ging. Unit is not designed for handling by fork truck. A. Roof Curb Assemble and install accessory roof curb in accordance with instructions shipped with the curb.
UNIT SIZE 580G OPERA TING WEIGHT AB CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1 124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1 148 300.
UNIT SIZE 580H OPERA TING WEIGHT AB CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1 124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1 148 300.
CAUTION: NOTICE TO RIGGERS: ALL P ANELS MUST BE IN PLACE WHEN RIGGING. NOTE: Rig with four cables and spread with two 92 in. (2337 mm) spreader bars. Maintain a distance of 74 in. (1880 mm) from top of unit to eyehook. NOTE: Add 32 lb (14.5 kg) for domestic crating.
T able 1 — Specifications UNIT 580G,H 240 300 324 360 NOMINAL CAP ACITY (tons) 20 25 27 30 OPERA TING WEIGHT (lb) Unit Al/Al* (Lo Heat/Hi Heat) 4176/4256 4262/4342 4262/4342 4262/4342 Al/Cu* (Lo Heat/Hi Heat) 4396/4476 4482/4562 4482/4562 4482/4562 Roof Curb (14-in.
T able 2 — Evaporator Fan Motor Data UNIT SIZE 580G,H MOTOR HP MOTOR SHAFT DIA. (in.) FA N SHAFT SPEED (rpm) MOTOR SHEA VE MOTOR SHEA VE PITCH DIAMETER (in.) BUSHING DIAMETER (in.) FA N SHEA VE FA N SHEA VE PITCH DIAMETER (in.) BUSHING DIAMETER (in.
V . FLUE HOOD Flue hood is shipped inside gas section of unit. T o install, se- cure flue hood to access panel. See Fig. 7. NOTE: When properly installed, flue hood will line up with combustion fan housing. See Fig. 8. VI. TRAP CONDENSA TE DRAIN See Fig.
VIII. ELECTRICAL CONNECTIONS A. Controls Options The standard constant volume (CV) units, as shipped, are operable as stand-alone units, using a standard (mechanical or electronic) 2-stage heat, 2-stage cool thermostat. W ith a standard thermostat (programmable is optional), heat- ing and cooling operation is set by space temperature.
LEGEND COM — Common R— Relay D— Diode SIO — Serial Input/Output LED — Light-Emitting Diode SW — Switch N.C. — Normally Closed T— T erminal N.
Operating voltage to compressor must be within voltage range indicated on unit nameplate. On 3-phase units, voltages be- tween phases must be balanced within 2% and the current must be balanced within 10%. Use the formula in T able 3 to determine the percentage of voltage imbalance.
T able 3— Electrical Data — 580G,H240-360 UNIT SIZE 580G,H NOMINAL VOL T AGE (3 Ph 60 Hz) VOL T AGE RANGE COMPRESSOR OFM IFM POWER EXHAUST COMBUSTION F AN MOTOR POWER SUPPL Y No. 1 No. 2 Min Max RLA LRA RLA LRA Qty Hp FLA (ea) Hp FLA FLA LRA FLA MCA MOCP* 240 208/230 187 254 39.
T able 3— Electrical Data — 580G,H240-360 (cont) UNIT SIZE 580G,H NOMINAL VOL T AGE (3 Ph 60 Hz) VOL T AGE RANGE COMPRESSOR OFM IFM POWER EXHAUST COMBUSTION F AN MOTOR POWER SUPPL Y No. 1 No. 2 Min Max RLA LRA RLA LRA Qty Hp FLA (ea) Hp FLA FLA LRA FLA MCA MOCP* 324 208/230 187 254 57.
IX. OUTDOOR-AIR INLET ASSEMBL Y A. Economizer NOTE: If accessory power exhaust or barometric relief pack- ages are being added to the unit, install power exhaust or barometric relief before installing economizer hoods.
HOOD SIDE MOUNTING FLANGE Fig. 18 — Adding Seal Strip to Mounting Flange of Hood Sides HOOD TO P HOOD SIDE Fig. 19 — Add Seal Strip to Hood T op Mounting Flange CROSS MEMBER GRA Y FOAM STRIP Fig. 20 — Adding Foam Strip to Cross Member HOOD SIDE (SLOTTED) HOOD TOP Fig.
4. Remove screws along bottom of damper assembly . Lo- cate and mount blockof f baf f le using these screws. 5. Assemble 2 filter tracks side-by-side with the as- sembled ends together . 6. a. Attach mounting angle (without tabs) to the as- sembled end of the filter track.
3. Mount the outdoor air enthalpy sensor inside the right economizer hood on the right side panel of the hood, adjacent to the outdoor-air thermistor . 4. Locate the red, violet, and brown wires near the out- door air thermistor . Remove the splice from the red and violet wires.
8. Use field-supplied wire ties to attach the violet wire to the + terminal and the blue wire to the SR terminal. 9. Replace economizer filters. 10. Return power to unit. Disable Economizer For applications where the economizer will not be used (areas of high humidity), the economizer should be disabled.
XI. ACCESSORIES After all the factory-installed options have been adjusted, in- stall all field-installed accessories. Refer to the accessory in- stallation instructions included with each accessory .
PRE-ST ART -UP W ARNING: Failure to observe the following warn- ings could result in serious personal injury: 1. Follow recognized safety practices and wear pro- tective goggles when checking or servicing refrig- erant system.
T able 4 — DIP Switch Configuration SETTING 1 2 3 4 5 6 7 8 OPEN —— Expansion Board Operation Field T est ON Modulated Power Exhaust T ime Guard T Override ON Gas Heat Heat Pump Operation IN CO.
compressor 2 will turn on. If Y2 is deenergized at any time, only the last stage of compression that was energized will be turned of f. If outdoor conditions are not suitable for econo- mizer cooling, the economizer will go to minimum position and cycle compressors 1 and 2 based on demand from Y1 and Y2 respectively .
controls up to 2 stages of power exhaust to maintain building pressure. The power exhaust package can be configured to deliver positive or negative building pressure. These power exhaust stages are staged according to a percentage of the economizer dampers position.
I. Head Pressure Control Each unit has a fan cycling, outdoor thermostat to shut of f the outdoor-fan motor(s) at 55 F . The head pressure control permits unit to operate with correct condensing tempera- tures down to 35 F outdoor-air temperature.
4. T urn motor jacking bolts to move motor mounting plate left or right for proper belt tension. Refer to T able 2 for proper belt tension. 5. Tighten nuts. 6. Adjust bolts and nut on mounting plate to secure motor in fixed position. Recheck belt tension after 24 hours of operation.
T able 8 — Fan Performance, 580G240-360 — V ertical Discharge Units For 580H units, reduce net available external static pressure by 0.3 in. wg. AIRFLOW (Cfm) A V AILABLE EXTERNAL ST A TIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 4,000 340 0.
T able 9 — Fan Performance — Power Exhaust 580G,H240-360 Airflow (Cfm) Low Speed Medium Speed High Speed 208 v 230, 460, 575 v 208 v 230, 460, 575 v 208 v 230, 460, 575 v ESP Bhp W atts ESP Bhp W atts ESP Bhp W atts ESP Bhp W atts ESP Bhp W atts ESP Bhp W atts 6,500 0.
VI. MAIN BURNERS For all applications, main burners are factory set and should require no adjustment. A. Main Burner Removal (Fig. 38) 1. Shut of f (field-supplied) manual main gas valve. 2. Shut of f power to unit. 3. Remove heating access panel. 4.
SERVICE W ARNING: Before beginning any maintenance, be sure to turn of f power at the main disconnect switch. T AG THE SWITCH WITH A SUIT ABLE W ARNING LABEL.
Fig. 40 — Spark Gap Adjustment NOTES: 1. T orque setscrews on blower wheel to 70 in. lbs ± 2 in. lbs. 2. T orque setscrew on propeller fan to 15 in.
B. Fan Shaft Bearings Lubricate the bearings at least twice annually with suitable bearing grease. Do not over grease. T ypical lubricants are shown below: MANUF ACTURER LUBRICANT T exaco Regal AFB-2* Mobil Mobilplex EP No. 1 Sunoco Prestige 42 T exaco Multifak 2 *Preferred lubricant because it contains rust and oxidation inhibitors.
VII. FIL TER DRIER Replace whenever refrigerant system is exposed to atmosphere. VIII. THERMOST A TIC EXP ANSION V AL VE (TXV) Each circuit has one. It is nonadjustable and is factory set to maintain 10 to 13° F superheat leaving the evaporator coil.
TROUBLESHOOTING T ypical refrigerant circuiting diagram is shown in Fig. 44. I. DIAGNOSTIC LEDs (Light-Emitting Diodes) There are 3 LEDs (red, yellow , and green) on the lower right hand side of the control board. The red light is used to check unit operation and alarms.
T able 12 — Control Board LED Alarms LED BLINKS ERROR CODE DESCRIPTION TROUBLESHOOTING COMMENTS 1 Normal Operation The control board flashes the red LED in one-second intervals when the board is operating properly . Make sure DIP switch 3 is closed.
T able 14 — I/O Channel Designations Base Module TERMINAL NO. ASSIGNMENT T1-2 — T3-4 — T5-6 OA T — 5K V Thermistor T7-8 SA T — 5K V Thermistor T9-10 — T1 1-12 — T13-14 — T15-16 — T17.
LEGEND IDM — Induced-Draft Motor IGC — Integrated Gas Controller NOTE: Thermostat Fan Switch in the ‘‘AUT O’’ position. Fig. 45 — IGC Control (Heating and Cooling) —36—.
LEGEND FOR FIG. 46-50 AHA — Adjustable Heat Anticipator BP — Building Pressure BR — Burner Relay C— Contactor , Compressor CAP — Capacitor CB — Circuit Breaker CC — Cooling Compensator C.
NOTES: 1. Connect TRAN1 to H4 for 460 v units. Connect to H3 for 230 v . If 208/230 v units are run with a 208 v power supply connect to H2. 2. Connect TRAN2 to black lead for 460 v units. Connect to orange lead for 230 v units. If 208/230 v units are run with a 208 v power supply connect to red lead.
NOTES: 1. Connect TRAN1 to H4 for 575V units. 2. Connect TRAN2 to black lead for 575V units. 3. Circuit breaker must trip amps are equal to or less than 156% FLA for CB1 and CB2. All others are 140%. 4. If any of the original wire furnished must be replaced, it must be replaced with T ype 90 C wire or its equivalent.
NOTE: Red wire and violet wire are spliced together at the factory . The brown wire has a wire nut added at the factory . Fig. 49 — 24 V Control Schematic; 580G,H240-360 —40—.
Fig. 50 — Component Arrangement; 580G,H240-360 —41—.
P ACKAGED SERVICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of the equipment discussed in this manual. Product programs cover: • Unit Familiarization • Installation Overview • Maintenance • Operating Sequence A large selection of product, theory , and skills programs is available.
ST ART -UP CHECKLIST MODEL NO.: SOFTW ARE VERSION (SEE FIG. 1 1) DA TE: SERIAL NO.: TECHNICIAN: PRE-ST ART -UP: M VERIFY THA T DIP SWITCH SETTINGS ARE CORRECT M VERIFY THA T ALL P ACKING MA TERIALS HA.
GENERAL M SET ECONOMIZER MINIMUM VENT POSITION TO JOB REQUIREMENTS M ENSURE DRIVES OPERA TE WITHIN LIMITS OF F AN PERFORMANCE T ABLES. HIGH-PRESSURE SWITCH SETTING PSIG LOW -PRESSURE SWITCH SETTING PSIG MOTOR PULLEY P ART NUMBER F AN PULLEY P ART NUMBER BEL T P ART NUMBER BEL T SIZE in.
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