International comfort products CAS090 G Series Скачать руководство пользователя страница 19 | Manualshive

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501 01 3600 01

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Specifications are subject to change without notice.

C14294

Fig. 19 -- Typical CAS090*G/H Wiring Diagram -- 208/230V--3PH--60Hz Unit Shown

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Содержание CAS090 G Series

Страница 1: ...Heater 16 Preliminary Charge 16 START UP 16 19 Preliminary Checks 16 Start Unit 17 OPERATING SEQUENCE 20 Base Unit Controls 20 Indoor Supply Fan 20 Cooling Unit Without Economizer 20 Cooling Unit with...

Страница 2: ...death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOT...

Страница 3: ...Mechanical Controls standard 0 Not Used Base Unit Controls A Cu Al B Precoat Cu Al C E Coat Cu Al E Cu Cu M Cu Al with Louvered Hail Guards M Precoat Cu Al with Louvered Hail Guards P E Coat Cu Al wi...

Страница 4: ...thout notice C14314 UNIT STD UNIT WT CORNER A CORNER B CORNER C CORNER D CENTER OF GRAVITY UNIT HEIGHT lbs kg lbs kg lbs kg lbs kg lbs kg X Y Z H CAS090 G H 430 195 142 64 96 44 76 34 111 50 18 457 24...

Страница 5: ...s factory supplied with partial charge only Typical operating charge with 25 ft of interconnecting piping Table 2 Physical Data CAS090 G H 60 Hz SI NOMINAL CAPACITY kW 26 4 OPERATING WEIGHTS lb Round...

Страница 6: ...ation piping including suction riser requirements outdoor unit above indoor unit liquid line lift outdoor unit below indoor unit and hot gas bypass line Relocate sections to minimize the length of int...

Страница 7: ...frigeration specialties devices Determine equivalent line length adjustments for path and components and add to linear line lengths See Table 4 Equivalent Lengths for Common Fittings for usual fitting...

Страница 8: ...the equivalent line length or the lift requirement Suction Riser A suction riser condition exists when the outdoor unit is located above the indoor evaporator unit and suction vapor must flow vertica...

Страница 9: ...aporator Capacity Control Liquid Line Solenoid Valve Many older unit designs included automatic capacity controls that sensed changes in suction pressure and could increase or decrease compressor capa...

Страница 10: ...the discharge line If adding refrigerant into the suction line use a commercial metering expansion device at the gauge manifold remove liquid from the cylinder pass it through the metering device at t...

Страница 11: ...y run test purposes only remove and discard before connecting field power wires to unit connection points Make field power connections directly to line connection pressure lugs only FIRE HAZARD Failur...

Страница 12: ...Maximum Over current Protection device size All field wiring must comply with the NEC and local requirements All units except 208 230 v units are factory wired for the voltage shown on the nameplate...

Страница 13: ...Loosen the two screws at the GFCI duplex outlet until approximately 1 2 in 13 mm under screw heads are exposed Press the gasket over the screw heads Slip the backing plate over the screw heads at the...

Страница 14: ...minimum For over 75 ft 23 m use no 14 AWG insulated wire 35 C minimum All wire sizes larger than no 18 AWG cannot be directly connected to the thermostat and will require a junction box and splice at...

Страница 15: ...accordance with The NEC Article 440 2 Motor RLA and LRA values are established in accordance with Underwriters Laboratories UL Standard 1995 3 The 575 v units are UL Canada listed only 4 Unbalanced 3...

Страница 16: ...1 Set the space thermostat set point above the space temperature so there is no demand for cooling 2 Close the field disconnect Preliminary Charge Before starting the unit charge liquid refrigerant in...

Страница 17: ...up to 2 hours C10080 Fig 16 Advanced Scroll Temperature Protection Label 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 60 70 80 90 50 Compressor Unloaded Run Time Minutes Times are approximat...

Страница 18: ...and the service panels are in place 30 50 70 90 110 130 150 140 190 240 290 340 390 440 490 540 590 PRESSURE AT LIQUID VALVE PSIG PRESSION LA VANNE DE LIQUIDE PSIG 7 5 TON DUAL STAGE CHARGING CHART R...

Страница 19: ...501 01 3600 01 19 Specifications are subject to change without notice C14294 Fig 19 Typical CAS090 G H Wiring Diagram 208 230V 3PH 60Hz Unit Shown...

Страница 20: ...ergized the compressor stops and liquid line solenoid is de energized valve closes CADM initiates a TRIP event cooling demand sensed at CADM terminal Y but no current is measured at T1 T2 T3 motor sen...

Страница 21: ...n 4 Perform required service 5 Remove and dispose of any oil contaminated material per local codes Liquid Line Filter Drier The factory provided filter drier is specifically designed to operate with R...

Страница 22: ...the presence of control power to the CADM The ALERT LED indicates an abnormal condition exists in the system through a flash code The ALERT LED will blink a number of times consecutively pause and th...

Страница 23: ...harge b Evaporator blower is not running c Evaporator coil is frozen d Faulty metering device e Condenser coil is dirty f Liquid line restriction filter drier blocked if present Yellow ALERT Flash Cod...

Страница 24: ...hen thermostat demand signal is present If not R and C are reverse wired Verify voltage at contactor coil falls below 0 5VAC when off Compressor Protection Compressor Overtemperature Protection IP A t...

Страница 25: ...ecifications are subject to change without notice Condenser Fans Service Valves C14295 Fig 23 CAS090 G H Exterior Outdoor Coil 32LT Sensor Typical Location HPS LPS High Flow Access Port C14296 Fig 24...

Страница 26: ...locity water from a pressure washer garden hose or compressed air should never be used to clean a coil The force of the water or air jet will bend the fin edges and increase airside pressure drop CAUT...

Страница 27: ...5 Safety device lockout circuit active 5 Reset lockout circuit 6 Low pressure switch open 6 Check for refrigerant undercharge obstruction of indoor airflow Make sure liquid line solenoid valve s is o...

Страница 28: ...s 3 Air filters dirty 3 Clean or replace filters 4 Expansion valve power head defective 4 Replace power head 5 Indoor coil partially iced 5 Check low pressure setting 6 Indoor airflow restricted 6 Rem...

Страница 29: ...ics and roofing materials S Wrap all filter driers and service valves with wet cloth when brazing S A factory approved liquid line filter drier is required on every unit S Do not use an R 22 TXV S If...

Страница 30: ...ecting speed control input and output power wires Troubleshooting OBSERVATION POSSIBLE REMEDY Fans won t start All fans Check power wiring Check outdoor fan relay OFR OFM1 OFM3 only Check speed contro...

Страница 31: ...501 01 3600 01 31 Specifications are subject to change without notice D K J H G F E C B A C10800 Fig 27 Wind Baffles...

Страница 32: ...2 29 29 3 4 35 1 4 1 1 4 9 1 4 17 1 4 25 1 4 33 1 4 BACK 40 40 3 4 41 1 2 35 1 4 4 1 4 11 1 4 18 1 4 25 1 4 32 1 4 RIGHT SIDE 25 25 1 2 26 1 4 35 1 4 4 1 4 11 1 4 18 1 4 25 1 4 32 1 4 DIMENSIONS MM UN...

Страница 33: ...501 01 3600 01 33 Specifications are subject to change without notice...

Страница 34: ...34 501 01 3600 01 Specifications are subject to change without notice Copyright 2019 International Comfort Products Lewisburg TN 37091 USA Replaces 501 01 3600 00 10 19...

Страница 35: ...CONNECTIONS MADE AND CHECKED Y N ARE ALL WIRING TERMINALS including main power supply TIGHT Y N HAS CRANKCASE HEATER BEEN ENERGIZED FOR 24 HOURS Y N INDOOR UNIT HAS WATER BEEN PLACED IN DRAIN PAN TO C...

Страница 36: ...K INDOOR UNIT FAN SPEED AND RECORD CHECK OUTDOOR UNIT FAN SPEED AND RECORD AFTER AT LEAST 10 MINUTES RUNNING TIME RECORD THE FOLLOWING MEASUREMENTS SUCTION PRESSURE SUCTION LINE TEMP LIQUID PRESSURE L...

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