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3.0 UNIT SPECIFICATIONS

3.1 Model Number Nomenclature

Specif

ications

(-) A C L 2 120 C A Z

COMPRESSOR TYPE

Z = SCROLL

DESIGN SERIES

A = STANDARD MODEL

REFRIGERANT TYPE

L = R410A

COMMERCIAL SERIES

REMOTE CONDENSING UNIT

TRADEBRAND

ELECTRICAL DESIGNATION

C = 208-230V, 3PH, 60HZ

D = 460V, 3PH, 60HZ

Y = 575V, 3PH, 60HZ

NOMINAL COOLING CAPACITY

120 = 120,000 BTU/HR (TWO STAGE COMPRESSOR)

150 = 150,000 BTU/HR (TANDEM COMPRESSOR)

180 = 180,000 BTU/HR (TANDEM COMPRESSOR)

240 = 240,000 BTU/HR (TANDEM COMPRESSOR)

COMPRESSOR STAGES

1 = 1 STAGE

2 = 2 STAGE

V = VARIABLE SPEED

Содержание ACL2120CAZ

Страница 1: ...EEP IN A SAFE PLACE FOR FUTURE REFERENCE WARNING THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED LICENSED SERVICE PERSONNEL FOR PROPER INSTALLATION ADJUSTMENT AND OPERATION OF THIS UNIT READ TH...

Страница 2: ...ubing Installation Practices 20 4 5 2 Relative Location of Indoor and Outdoor Units 21 4 5 2 1 Indoor and Outdoor Unit Near Same Level 21 4 5 2 2 Outdoor Unit Below Indoor Unit 22 4 5 2 3 Outdoor Unit...

Страница 3: ...authorized by the manufacturer into onto or in conjunction with the heat pump You should be aware that the use of unauthorized components accessories or devices may adversely affect the operation of...

Страница 4: ...are available from National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 These publications are ANSI NFPA No 70 Latest Edition National Electrical Code NFPA90A Installation of Ai...

Страница 5: ...Check system components outdoor unit air handler etc to make sure they are properly matched 2 6 Efficiency Testing Notice For purposes of verifying or testing efficiency ratings the test procedure in...

Страница 6: ...R410A COMMERCIAL SERIES REMOTE CONDENSING UNIT TRADEBRAND ELECTRICAL DESIGNATION C 208 230V 3PH 60HZ D 460V 3PH 60HZ Y 575V 3PH 60HZ NOMINAL COOLING CAPACITY 120 120 000 BTU HR TWO STAGE COMPRESSOR 15...

Страница 7: ...2 88 3 05 2 8000 16 951 422 11 964 565 1 246 605 1 334 120DAZ 3 60 460 1 14 8 130 2 5 0 24 30 35 32 88 3 05 2 8000 16 951 650 18 428 565 1 246 605 1 334 150CAZ 3 60 208 230 2 34 5 274 3 6 3 50 60 80 3...

Страница 8: ...NE 1 3 8 DIA 11 245 16 245 28 333 31 333 7 802 8 739 38 72 375 39 940 73 890 73 888 0 2 687 5 937 20 944 43 444 791 67 951 71 201 73 097 36 944 3 813 0 750 TYP TYP 2 000 R TYP 1 125 MIDDLE BASE RAIL 3...

Страница 9: ...NS ACL2180 ACL2240 15 20 TON 5 ST A0890 12 ST A0890 13 BASE RAILS 87 375 38 375 44 750 88 88 39 94 ST A0890 13 CONTROL BOX END BOTTOM VIEW 3 0 UNIT SPECIFICATIONS 3 2 Electrical and Physical Data cont...

Страница 10: ...r section to be isolated from indoor coil SERVICE ACCESS Control box as well as the compressor and other refrigerant controls being accessible through access panels Control box may be open without aff...

Страница 11: ...BLOCK LOW PRESSURE SWITCH SCROLL TANDEM COM PRESSORS SUCTION VALVE LIQUID VALVE HIGH PRESSURE GAUGE PORT LOW PRESSURE GAUGE PORT 24 VOLT ENTRY LINE VOLTAGE ENTRY RACL2120 RACL2150 RACL2180 RACL2240 SC...

Страница 12: ...combustible R 410A and air should never be mixed in tanks or supply lines or be allowed to accumulate in storage tanks Leak checking should never be done with a mixture of R 410A and air Leak checkin...

Страница 13: ...her equipment installed in proximity to the unit Maintain all required minimum distances to gas and electric meters dryer vents and exhaust and inlet openings In the absence of national codes or manuf...

Страница 14: ...lar maintenance will reduce the buildup of contaminants and help to protect the unit s finish Frequent washing of the cabinet fan blade and coil with fresh water will remove most of the salt or other...

Страница 15: ...injury or death If elevating a unit on a flat roof use 4 x 4 10 2 cm x 10 2 cm or equivalent stringers positioned to distribute unit weight evenly and prevent noise and vibration NOTICE Do not block d...

Страница 16: ...equivalent lengths The purpose of the liquid line is to transport warm sub cooled liquid refrigerant between the outdoor unit to the indoor unit It is important not to allow the refrigerant to flash i...

Страница 17: ...installed 50 below the indoor unit requires 75 of 5 8 diameter liquid line 1 3 8 diameter suction line and 4 90 LR elbows and a filter drier Filter Drier Equivalent Length ft 6 Fitting Equivalent Len...

Страница 18: ...f oil in the compressor crankcase Oversized vapor lines result in inadequate refrigerant velocities to carry the oil along with the refrigerant and will cause the oil to accumulate in the low spots in...

Страница 19: ...4 4 5 6 Capacity Losses Long line lengths can result in a reduction in capacity due to suction line pressure drop and heat gain Refer to Table 2 for capacity loss multipliers for various vapor line d...

Страница 20: ...e If a portion of the liquid line passes through a very hot area where liquid refrigerant can be heated to form vapor insulating the liquid line is required Use clean dehydrated sealed refrigeration g...

Страница 21: ...flow ar row pointing toward indoor unit Insulated liquid line in unconditioned space only Insulated suction line full length Suction line should slope toward the indoor unit Follow the proper line siz...

Страница 22: ...r line sizing maximum linear and equivalent lengths charging requirements and oil level adjustments spelled out in this manual Verify at least 5 F 2 8 C liquid sub cooling at the indoor unit prior to...

Страница 23: ...ar row pointing toward indoor unit Insulated liquid line in unconditioned space only Insulated suction line full length Follow the proper line sizing maximum linear and equivalent lengths charging req...

Страница 24: ...dirt etc that enters tubing or service valve connections Wrap valves with a wet rag or thermal barrier compound before applying heat Braze the tubing between the outdoor unit and indoor coil Flow dry...

Страница 25: ...cur there 4 7 Evacuation Evacuation is one of the most important parts of the entire installation and service procedure The life and efficiency of the equipment is dependent upon the thoroughness exer...

Страница 26: ...20 ton minimum transformer are required for the control circuit of the system The appropiately sized transformer is supplied in the outdoor unit from the factory See the wiring diagram for reference U...

Страница 27: ...inimum circuit capacity see Section 3 2 Power wiring must be run in a rain tight conduit Conduit must be run through the connector panel below the access cover see illustration in sections 3 2 and 3 3...

Страница 28: ...nary Charging by Weight and Final Leak Check After the system has been properly evacuated close the valves on the manifold gauge set and disconnect the vacuum pump Connect the center hose from the man...

Страница 29: ...s using a halogen leak detector If a leak is detected the refrigerant must be recovered before repairing the leak The Clean Air Act prohibits releasing refrigerant into the atmosphere 5 0 SYSTEM START...

Страница 30: ...ooling air flow mode Some air handlers and furnaces deliver a different air flow level for continuous fan operation so it is important to verify the indoor air flow while the thermostat is set to oper...

Страница 31: ...Chart for outdoor dry bulbs corresponding to conditions outside of the above range are provided as reference ONLY 2 Note the measured Liquid Pressure Pliq ______psig as measured from the liquid small...

Страница 32: ...e And Repeat 3 6 Pressures Are Ref Only Final Charge Verification To Be Based On Design Subcooling Note At The Top Of The Cooling Chart Caution Return Air Temperature Must Be Between 70 75 Before Fina...

Страница 33: ...rge And Repeat 3 6 Pressures Are Ref Only Final Charge Verification To Be Based On Design Subcooling Note At The Top Of The Cooling Chart Caution Return Air Temperature Must Be Between 70 75 Before Fi...

Страница 34: ...ge And Repeat 3 6 Pressures Are Ref Only Final Charge Verification To Be Based On Design Subcooling Note At The Top Of The Cooling Chart Caution Return Air Temperature Must Be Between 70 75 Before Fin...

Страница 35: ...rge And Repeat 3 6 Pressures Are Ref Only Final Charge Verification To Be Based On Design Subcooling Note At The Top Of The Cooling Chart Caution Return Air Temperature Must Be Between 70 75 Before Fi...

Страница 36: ...uit will open and de energize the second compressor speed and continues operating on the first speed of the compressor 7 When continued cooling satisfies the Y1 circuit it will open and de energize th...

Страница 37: ...heater is energized for at least 12 hours before the compressor is started Disconnect switch is on and wall thermostat is off 7 6 Compressor Time Delay 12 5 20 Ton Models Only A compressor time delay...

Страница 38: ...the refrigerant piping is recommended A minimum of 12 hours after installation is required before attempting to determine if a moisture condition within the system exists Part No RXAG A048 10 12 5 to...

Страница 39: ...WH QGRRU LUIORZ QRSHUDWLYH QGRRU ORZHU RZ RQ KDUJH 2SHQ 35 9DOYH RZ PELHQW 7HPSHUDWXUH DG RPSUHVVRU LUW 2XWGRRU RLO QRSHUDWLYH 2XWGRRU DQ 2YHUFKDUJH 5HFLUFXODWLRQ RI 2XWGRRU LU 1RQFRQGHQVLEOHV LJKHU 7...

Страница 40: ...ort cycles Incorrect voltage Defective overload protector Refrigerant undercharge or overcharge HPC or LPC cycling At compressor terminals voltage must be 10 of nameplate marking when unit is operatin...

Страница 41: ...stem charge Dirty outdoor coil Clean coil Faulty or wrong size outdoor fan motor Replace fan motor Faulty fan blade or wrong rotation Replace fan blade Replace with correct rotation motor Recirculatio...

Страница 42: ...t on line side of compressor contactor only Thermostat Check for control voltage to contactor coil Compressor control circuit High pressure switch Low pressure switch Ambient thermostat Solid state pr...

Страница 43: ...ove oil return Low suction pressure Low charge Check system charge Refrigerant leaks Repair and recharge Cold noisy compressor Slugging Dilution of oil with refrigerant Observe piping guidelines Noisy...

Страница 44: ...line Remove external equalizer line restriction Undersized TXV Replace with correct valve Loss of charge from power head sensing bulb Replace power head or complete TXV Charge migration from sensing...

Страница 45: ...move Correct any airflow restriction Superheat and suction pressure fluctuate valve is hunting TXV is oversized Install correct TXV Sensing bulb is affected by liquid refrigerant or refrigerant oil fl...

Страница 46: ...charge Low Low High Low Low Liquid Restriction Filter Drier Low Low High High Low Low Indoor Airflow Low Low Low Low Low Dirty Outdoor Coil High High Low Low High Low Outdoor Ambient Temperature Low L...

Страница 47: ...nit top are easily removable to facilitate the coil cleaning task WARNING Disconnect electrical power to the unit before removing the top panel or any electrical panel as the fan motor could start at...

Страница 48: ...C E C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD I...

Страница 49: ...IT BREAKER COMPRESSOR CONTACTOR COMPRESSOR CONTACTOR CRANKCASE HEATER CRANKCASE HEATER COMPRESSOR COMPRESSOR CONTROL TRANSFORMER GROUND HIGH PRESSURE CONTROL LPC OFM R TB TDC LOW PRESSURE CONTROL OUTD...

Страница 50: ...SULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE FACTORY OPTION ORIGINAL RELEASE NO ELECTRICAL WIRING DIAGRAM MOD...

Страница 51: ...51...

Страница 52: ...52 97B0135N01 CM 0218...

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