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III. START-UP

CHECK EVAPORATOR-FAN SPEED AND RECORD.

CHECK CONDENSER-FAN SPEED AND RECORD.

AFTER AT LEAST 15 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:

OIL PRESSURE (576B only)

SUCTION PRESSURE

SUCTION LINE TEMP

DISCHARGE PRESSURE

DISCHARGE LINE TEMP

ENTERING CONDENSER-AIR TEMP

LEAVING CONDENSER-AIR TEMP

EVAP ENTERING-AIR DB (dry bulb) TEMP

EVAP ENTERING-AIR WB (wet bulb) TEMP

EVAP LEAVING-AIR DB TEMP

EVAP LEAVING-AIR WB TEMP

COMPRESSOR AMPS (L1/L2/L3)

HAS REFRIGERANT CHARGE BEEN ADJUSTED PER UNIT CHARGING CHART?

NOTES:

CATALOG NO. 5356-902

—CL-2—

Содержание 569C

Страница 1: ...otential for per sonal injury Understand the signal words DANGER WARNING and CAUTION These words are used with the safety alert sym bol Danger identifies the most serious hazards which will result in severe personal injury or death Warning indicates a condition that could result in personal injury Caution is used to identify unsafe practices which would result in minor personal injury or product a...

Страница 2: ...ides of unit behind cables Run cables to a central suspension point so that angle from the horizontal is not less than 45 degrees Raise and set unit down carefully If it is necessary to roll unit into position mount unit on lon gitudinal rails using a minimum of 3 rollers Apply force to rails not unit If unit is to be skidded into position place it on a large pad and drag it by the pad Do not appl...

Страница 3: ... Drive Quantity Rpm 1 850 1 1100 Diameter in 26 26 Motor Hp NEMA 1 3 3 4 Nominal Airflow cfm 3800 6500 7000 6500 6500 6500 CONDENSER COIL Enhanced Copper Tubes Aluminum Lanced Fins Face Area sq ft 12 24 15 75 20 5 18 0 18 0 18 0 Storage Capacity lb 11 26 14 88 18 87 16 56 16 56 16 56 CONNECTIONS sweat Suction in 11 8 11 8 11 8 11 8 11 8 11 8 Liquid in 1 2 1 2 5 8 1 2 5 8 5 8 CONTROLS Pressurestat ...

Страница 4: ... 660 660 Motor Hp NEMA 1 3 3 4 Nominal Airflow L s 1800 3050 3300 3050 3050 3050 CONDENSER COIL Enhanced Copper Tubes Aluminum Lanced Fins Face Area sq m 1 14 1 46 1 90 1 67 1 67 1 67 Storage Capacity kg 5 1 6 75 8 6 7 5 7 5 7 5 CONNECTIONS sweat Suction in 11 8 11 8 11 8 11 8 11 8 11 8 Liquid in 1 2 1 2 5 8 1 2 5 8 5 8 CONTROLS Pressurestat Settings kPa High Cutout 2937 6 48 Cut in 2206 6 138 Low...

Страница 5: ...r The left or rear side getting the greater clearance is optional b Overhead 60 in 1524 to assure proper condenser fan operation c Between units control box side 42 in 1067 per NEC National Electrical Code U S A Standard d Between unit and ungrounded surfaces con trol box side 36 in 914 per NEC e Between unit and block or concrete walls and other grounded surfaces control box side 42 in 1067 per N...

Страница 6: ... 3 7 48 3 2 1 576B090 60 18 3 7 48 3 2 1 576B102 65 19 8 7 48 3 2 1 576B120 65 19 8 7 48 3 2 1 NOTE Values shown are for units operating at 45 F 7 2 C saturated suction and 95 F 35 C entering air V ELECTRICAL CONNECTIONS WARNING The unit cabinet must have an uninter rupted unbroken electrical ground to minimize the pos sibility of personal injury if an electrical fault should occur This ground may...

Страница 7: ...minimum For 50 to 75 ft 15 2 to 22 9 m use no 16 AWG 1 30 mm insulated wire 35 C minimum For over 75 ft 22 9 m use no 14 AWG 2 08 mm insulated wire 35 C minimum All wire larger than no 18 AWG 0 82 mm cannot be directly connected to the thermostat and will require a junction box and splice at the thermostat 1 Connect thermostat wires to screw terminals of low volt age connection board 2 Pass the co...

Страница 8: ...0 93 2 2 32 2 40 460 3 60 414 508 19 9 99 1 4 26 3 35 575 3 60 518 632 15 9 79 1 4 21 3 25 220 3 50 198 253 39 7 198 1 4 52 7 70 400 3 50 342 460 19 9 99 1 4 26 3 35 LEGEND CSA Canadian Standards Association FLA Full Load Amps HACR Heating Air Conditioning and Refrigeration LRA Locked Rotor Amps MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection NEC National Electrical Code U S A Standar...

Страница 9: ...ything inside terminal box 5 Never attempt to repair soldered connection while refrigerant system is under pressure 6 Do not use torch to remove any component Sys tem contains oil and refrigerant under pressure To remove a component wear protective goggles and proceed as follows a Shut off electrical power to unit b Recover refrigerant Relieve all pressure from system c Cut component connecting tu...

Страница 10: ...4v indoor evaporator fan contactor to function A field supplied and installed liquid line valve connected between Terminals G and C will also open allowing the system to function in cooling As cooling demand is satisfied the ther mostat contacts break deenergizing the contactor causing the system to shut off The liquid line solenoid LLS valve closes minimizing the potential for refrigerant migrati...

Страница 11: ...is Clean the outer surfaces with a stiff brush in the normal manner 6 Reposition the outer coil section attach the bracket re moved in Step 4 and remove the coil corner post from between the top panel and side panel Secure the sec tions together Install the coil corner post and replace all screws removed in Step 2 II LUBRICATION A Compressors Each compressor is charged with the correct amount of o...

Страница 12: ...en compressor is not operating Close both compressor service valves if applicable when crank case heater is deenergized for more than 6 hours VII REFRIGERANT CHARGE Unit panels must be in place when unit is operating during charging procedure Unit is shipped with a holding charge only Weigh in 7 lbs 3 kg of R 22 to start unit Refer to GTAC II Module 5 Charging Recovery Recycling and Reclamation fo...

Страница 13: ...Fig 14 Cooling Charging Chart 569C072 Fig 15 Cooling Charging Chart 569C090 120 and 576B090 102 120 13 ...

Страница 14: ...shaft Tighten fan hub screws Motor not running Check power and capacitor 1 3 and 3 4 hp motor Motor bearings seized Replace motor Motor overload open Check overload rating Check for fan blade obstruction Motor burned out windings open Replace motor Compressor cycles on low pressure switch Evaporator fan running Filter drier plugged Replace filter drier Expansion valve power head defective Replace ...

Страница 15: ...itch LPS Low Pressure Switch NEC National Electrical Code OFC Outdoor Condenser Fan Contactor OFM Outdoor Condenser Fan Motor OL Overload Relay QT Quadruple Terminal TB Terminal Block TDR Time Delay Relay TRAN Transformer Terminal Marked Terminal Unmarked Terminal Block Factory Wiring Field Power Wiring Fig 16 Typical 569C Wiring Schematic and Component Arrangement Fig 17 Typical 576B Wiring Schem...

Страница 16: ......

Страница 17: ......

Страница 19: ...N ARE PROPER AIR FILTERS IN PLACE Y N HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT Y N DO THE FAN BELTS HAVE PROPER TENSION Y N HAS CORRECT FAN ROTATION BEEN CONFIRMED Y N PIPING IS LIQUID LINE SOLENOID VALVE LOCATED AT THE EVAPORATOR COIL AS REQUIRED Y N HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR CONDENSER EVAPORATOR TXVs Thermostatic Expansion Valves SOLENOID VALVES FILTER DRIERS A...

Страница 20: ...URE SUCTION LINE TEMP DISCHARGE PRESSURE DISCHARGE LINE TEMP ENTERING CONDENSER AIR TEMP LEAVING CONDENSER AIR TEMP EVAP ENTERING AIR DB dry bulb TEMP EVAP ENTERING AIR WB wet bulb TEMP EVAP LEAVING AIR DB TEMP EVAP LEAVING AIR WB TEMP COMPRESSOR AMPS L1 L2 L3 HAS REFRIGERANT CHARGE BEEN ADJUSTED PER UNIT CHARGING CHART NOTES Copyright 1999 Bryant Heating Cooling Systems CATALOG NO 5356 902 CL 2 ...

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