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Haier HC42D2VAR - page 1
No.0010578572 13 SEER 1.5 to 3.5 T on Models: HC18D2V AR Installation & Operation Manual HC42D2V AR HC30D2V AR HC24D2V AR HC36D2V AR The information contained in this booklet is subject to change without notice. Central Air Conditioner ...
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Haier HC42D2VAR - page 2
! W ARNING These instructions are intended as an aid to qualified, licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation. Failure to follow these instructions may r esult in improper installation, adjustment, service or maintenance po ...
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Haier HC42D2VAR - page 3
1 T ABLE OF CONTENT 1.Introduction --------------------------------------------------------------------------------------- 2.Nomenclature for Model Number ------------------------------------------------------------- 3.Specification ------------------------------------------------------------------------------------- 4.Unit Inspection ------------- ...
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Haier HC42D2VAR - page 4
15 20 25 30 30 Rated Load Amps 5.4 8.0 10.1 1 1.8 13.2 Compressor Locked Running Amps 36.0 53.5 61.0 78.0 78.0 Full Load Amps 0.86 0.86 1.4 1.6 1.6 Fan Motor Rated HP 1/8 1/8 1/4 1/3 1/3 Nominal RPM 1000 1000 1075 1 120 1120 Liquid Line OD - In (mm) 3/8"[9.52] 3/8"[9.52] 3/8"[9.52] 3/8"[9.52] 3/8" [9.52] V apor Line OD - In ...
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Haier HC42D2VAR - page 5
Figure 2 Central Air Conditioner Refrigerant Circuit 3 SERVICE V AL VE SE RVICE POR T INDOOR COIL DISTRIBUTOR SE RVICE V AL VE OUTDOOR COIL COMPRESSOR R E S N E D N O C R O T A R O P A V E DRIER(optional) SE RVICE POR T !W arning - The drier is strongly recommended to be installed by installer and replaced once tw o years. This will gi ve your equi ...
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Haier HC42D2VAR - page 6
4 4.UNIT INSPECTION This product has been inspected at the factory and released to the transportation agency without known damage. Inspect exterior of carton for evidence of rough handling in shipment. Unpack carefully . If damage is found, report immediately to the transportation agency . 5.EQUIPMENT PROTECTION FROM ENVIRONMENT The metal parts of ...
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Haier HC42D2VAR - page 7
Figure 3 Provide a level concrete slab. T o prevent transmission of noise or vibration, slab should not be connected to building structure. Some sort of sound-absorbing material should be placed between the condenser and the slab. A good material to use is rubber and cork pad. For rooftop application, make sure the building construction can support ...
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Haier HC42D2VAR - page 8
OUTDOOR UNIT LIQUID LINE PITCH SUCTION LINE TOW ARD OUTDOOR UNIT 1/2" FRO EVER Y 10' OF LINE INDOOR UNIT ABOVE OR LEVEL TO OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT ADDITIONAL SUCTION LINE OIL TRAP FOR EACH 20 FOOT RISE OF PIPE INDOOR UNIT LIQUID LINE SUCTION LINE OIL TRAP WHEN INDOOR UNIT IS 4 FEET OR MORE BELOW OUTDOOR UNIT INDOOR UNIT BELO ...
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Haier HC42D2VAR - page 9
The factory charge is suf ficient for 25 feet of standard liquid line. For longer or shorter liquid line lengths, adjust the charge as follows: 1/4" Line +/- 0.3 oz. Per foot 5/16" Line +/- 0.4 oz. Per foot 3/8" Line +/- 0.6 oz. Per foot 1/2" Line +/- 1.2 oz. Per foot V ertical Separation between Indoor and Outdoor Units Maximum ...
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Haier HC42D2VAR - page 10
1.T ubing should be cut square. Make sure it is round and free of burrs at the connecting ends. Clean the tubing to prevent contamination from entering the system. 2.Make sure that both refrigerant stop valves at the outdoor unit are closed. 3.Push t he tubing in to the fitt ing until it stops. This pre vents flux from getting into the s ystem. 4.R ...
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Haier HC42D2VAR - page 11
9 Evacuation All new installations must be evacuated to a deep vacuum in order that all noncondensible gases and moisture are removed prior to charging the system. Air in a system causes high condensing pressure, which increases power consumption and reduces performance. The presence of moisture in a system can render it inoperable in a very short ...
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Haier HC42D2VAR - page 12
1.Fully open both shutoff valves. 2.Connect service gage manifold to the valve service ports, being sure to evacuate lines. 3.Startup the system (Refer to the Section 7 - "System Startup"). Run system at least 10 minutes to allo pressure to stabilize. 4.T emporarily install thermometer on suction (large) line near condensing unit. Be sure ...
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Haier HC42D2VAR - page 13
11 The condensing unit rating plate and the tables of "Physical and Electrical Specifications / Outdoor Units" (T able 1 and 2) provide pertinent data necessary for the selection of proper size electrical service and over-current protection devices. T able 6 provides data on the minimum copper wire size as a function of supply wire length ...
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Haier HC42D2VAR - page 14
1 2 8.OPERA TION Most single phase units are operated without start relay or start capacitor . Such systems should be off for a minimum of 5 minutes before restarting to allow equalization of pressures. The thermostat should not be moved to cycle unit without waiting 5 minutes. T o do so may cause the compressor to stop on an automatic open overloa ...
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Haier HC42D2VAR - page 15
13 Run or start capacitor defective Replace Loose connection Check and tighten all connections. Condenser fan runs, Compressor stuck, grounded or open W ait for 2 hours for overload to reset. compressor doesn't motor winding, open internal overload Replace compressor if still open. Low voltage condition At compressor terminals, voltage must be ...
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Haier HC42D2VAR - page 16
5 PU EL E C T RIC HE A TER KI T RD BL Air Conditioner Wi ri ng Diagram RD 24VAC COMMON COMPRESSOR BL YL 208/230V 60Hz 1PH C BL BL YL YL Y 2 YL P3 P2 P1 6 RD R L1 GND L2 BK BK WH C S CC 4 RD YL 2 1 NC Opt i on al Low & Hig h Pr es sur e Sw i t ches LP S HPS Com p ress or Pr ot ec t 3 Min. Tim e Delay BCAP RD-LO RD L2 RD OR BK- HI M IBM 3 GR PU L ...
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Haier HC42D2VAR - page 17
Made in P .R.C. ...
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