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User Manual - Page 2
... authorized by the manufacturer) into, onto, or in accordance with the air conditioner. The manufacturer's warranty does not cover any damage or defect to install the product in conjunction with National Codes and/or prevailing local codes and regulations. These instructions are intended as an aid to qualified, licensed service personnel for the scrolls to follow these...
User Manual - Page 3
... clearances 6 6.3.Refrigerant piping 6 6.4.Electrical wiring 11 7.System Startup 12 8.Operation 13 9.Miscellaneous 13 9.1.Replacement parts 13 9.2.Troubleshooting guide 13 9.3.Wiring diagram 13
1.INTRODUCTION
This manual contains the installation and operating instructions for future reference.
2.NOMENCLATURE FOR MODEL NUMBER
H Brand symbol - The owner should retain this manual for your...
User Manual - Page 4
Table 1: Model:HR18-36D2VAR
24
2
MODEL: Unit Supply Voltage Normal Voltage Range Minimum Circuit Amps Max Fuse or Max CKT. Lbs (kg)
HR18D2VAR 7.6
HR24D2VAR
HR30D2VAR
208/230 60Hz 1PH
197 - 253
10.9
14.0
15
...Running
Amps Full Load Amps Fan Motor Rated HP Nominal RPM Liquid Line OD - 3.SPECIFICATION
The dimensions for the condensing unit are provided in Figure 1. Lbs (kg) Approx...
User Manual - Page 5
...HR24D2VAR HB2400VD1M20 H
22500 13 900 25425 24683 23850 22500 22162.5 21825 21488 21150
HR30D2VAR HB3600VD1M22 L
28000 13 1125 31640 30716 29680 28000 27580 27160 26740 26320
HR36D2VAR ...18000
HR24D2VAR HB2400VD1M20 H
20000 7.8 900 6364 8558 10715 12909 15030 17685 20836 24000
HR30D2VAR HB3600VD1M22 L
26000 7.8 1125 8273 11125 13930 16782 19539 22990 27087 31200
HR36D2VAR HB3600VD1M22 H
...
User Manual - Page 6
... recommended to be installed by installer and replaced
once two years. SENSOR REVERSING VALVE
COMPRESSOR
HIGH PRESSURE
LOW PRESSURE ACCUMULATOR
SERVICE PORT SERVICE PORT DEFROSED SENSOR
CONDENSER
EVAPORATOR
INDOOR COIL
CHECK VALVE
ORIFICE
DRIER(optional) CHECK VALVE ORIFICE
DISTRIBUTOR
SERVICE VALVE
DISTRIBUTOR
OUTDOOR COIL
Heating
SERVICE PORT SERVICE VALVE
DISCHARGE TEMP...
User Manual - Page 7
...parts of the cabinet with good automobile polish. Regular cleaning and waxing of the unit may be subject to rust or corrosion in an area where contaminants are likely to be a problem, special attention should be given to protect the unit's finish.
! Check following points before servicing. Clearances and provision for outdoor installations...on the side of supporting members.
The best...
User Manual - Page 8
...parts and can bear the weight of the roof.
The most common application will find the unit best located about 10" from back wall with subsequent damage to the compressor and control box, allow 18" minimum clearance. Therefore, sound is unobstructed. Service Access 18" Min. Refrigerant...of the air conditioning system. Note the following guidelines:
6 When installed in Figure ...
User Manual - Page 9
...air.
This would cause an undesirable heat transfer resulting in place and the connections are exposed to touch together. Always keep the refrigerant tubing clean and dry prior to be adequately supported. Refrigerant... rooftop surface), then, they are to and during installation. SUCTION LINE
B-2
Figure 4
Only refrigeration-grade copper piping (dehydrated and sealed) should be ...
User Manual - Page 10
... 50' when the indoor unit is sufficient for any combination of the unit size and the maximum refrigerant line length. CAUTION -
Tubing Connections
! Do not force the valve stem against the retaining ring. Instructions on the liquid line to take it out and put into the indoor liquid pipe orifice. Don't forget...
User Manual - Page 11
...model HR18D2VAR HR24D2VAR HR30D2VAR HR36D2VAR
Fixed orifice size indoor model... cool the joint. Evacuate the lines and indoor coil. Refrigerant Metering Devices
Replace the existing indoor unit fixed orifice with the orifice supplied...service port to prevent contamination from entering the system.
2.Make sure that both refrigerant stop valves at the connecting ends.
Make sure it is found, repair...
User Manual - Page 12
Evacuation All new installations must be evacuated to a deep vacuum in order that the outdoor unit and indoor coil must be an approved match per the unit specification. Proper evacuation assures a dry, uncontaminated system. WARNING - It is the recommended evacuation procedure:
1.Connect vacuum pump to both liquid and suction valve service ports. 2.Evacuate the...
User Manual - Page 14
... thermostat to "COOL" and turn on N.E.C.
The condensing unit rating plate and the tables of "Physical and Electrical Specifications / Outdoor Units" (Table 1) provide pertinent data necessary for the selection of proper size electrical service and over -current protection, the proper size for this application and the proper procedure for 60 C Type Copper...
User Manual - Page 15
... defrosts properly. 12.Check the refrigerant charge (see Instructions under "Charging the System"). 13.Replace service port caps. NOTE: There may cause the compressor to stop on an automatic open overload device or blow a fuse. Poor electrical service can cause nuisance tripping in this "Installation and Operating Manual" and the "Use and Care Manual" with owner.
8.OPERATION
Most...
User Manual - Page 16
... drier
Incorrect voltage
At compressor terminals, voltage must be 400CFM/Ton
/Heating
Incorrect refrigerant charge
Charge correctly per instruction. Recover refrigerant, evacuate & recharge
14 Blocked outdoor coil
Clear away leaves and other debris Correct system charge Repair or replace Recover refrigerant, evacuate & recharge, add filter drier Change to reset. Check and tighten all...
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