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INSTALLATION INSTRUCTIONS
SPLIT AIR CONDITIONER
OUTDOOR SECTION
HAC181-AD040
Models:
HAC241-AD040
HAC301-AD040
HAC361-AD040
HAC421-AD040
HAC481-AD040
HAC481-BD040
HAC601-AD040
HAC601-BD040
Bard Manufacturing Company
Bryan, Ohio 43506
Since 1914 . . . Moving ahead just as planned.
FOR USE WITH:
MATCHING INDOOR
BLOWER COIL UNITS
AND MATCHING ADD
ON COIL UNITS ONLY
Manual No.:
Supersedes:
File:
Date:
2100-346C
2100-346B
Volume 1, Tab 4
09-04-02
© Copyright 2002
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Summary of Contents for Bard HAC181-AD040
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Page 1: Installation Instructions
FOR USE WITH: MATCHING INDOOR BLOWER COIL UNITS AND MATCHING ADD ON COIL UNITS ONLY Manual No.: 2100-346C Bard Manufacturing Company Supersedes: 2100-346B Bryan, Ohio 43506 File: Volume 1, Tab 4 Since 1914 . . . Moving ahead just as planned. -
Page 2: Table Of Contents
CONTENTS Split Air Conditioner General Information ..1 Wiring Instructions ..........9 Split Air Conditioner Model Nomenclature ....1 General ..............9 Control Circuit Wiring ..........9 Application and Location ........4 Wall Thermostats ............. 9 General ..............4 Optional Controls ........... 12 Shipping Damage ............ -
Page 3: Split Air Conditioner General Information
SPLIT AIR CONDITIONER MODEL NOMENCLATURE – DXXX Customized Unit Code Electrical Characteristics A – 230/208-60-1 B – 230/208-60-3 Modification Code Capacity – 3 Ton or approx. 36,000 BTU Basic Model Number FIGURE 1 UNIT DIMENSIONAL DRAWING ALTERNATE ELECTRICAL ENTRANCES ON BACK HIGH VOLTAGE ENTRANCE LOW VOLTAGE... -
Page 4: Table 2
TABLE 2 RATED CFM AND AIR FLOW DATA (WET COIL – COOLING) f r i f i r Measured across the evaporator coil assembly, including drain pan. External static pressure available for the duct system -- supply and return. All blower coils have multispeed motors, and value shown is at the recommended rated speed. -
Page 5: Table 3
TABLE 3 SPECIFICATIONS a t l i n i t i u y t i ¬ t i u l a t t i n s t l t i u – – – – – – – – – –... -
Page 6: Application And Location
APPLICATION and LOCATION LOCATION GENERAL The condensing unit is designed to be located outside with These instructions explain the recommended method to free and unobstructed condenser air inlet and discharge. It install the air cooled remote type condensing unit, the must also permit access for service and installation. -
Page 7: Sweat Style Tubin Connections: Sweat
Do not braze line to units! If orifice needs to be NOTE: FIGURE 3 changed, change out orifice first. INSTALLING REFRIGERANT TUBING If the orifice does not have to be changed, skip the instructions outlined further in Step 3 and proceed to Step 8. 3. -
Page 8: Field Fabricated Tubing Connections: Quick Connect Indoor Unit And Sweat Outdoor Unit Using Cto Kit
FIELD FABRICATED TUBING CONNECTIONS: A copper-silver alloy with a high silver content should QUICK CONNECT INDOOR UNIT and SWEAT be used when iron or steel material is involved in the OUTDOOR UNIT USING CTO KIT joint. These alloys require the use of silver solder flux. Alloys containing phosphorus should not be used with Use only refrigeration grade (dehydrated and sealed) copper iron or steel. - Page 9 2. The tubing ends should be cut square. Make sure it is 8. Recover charge from the indoor unit. round and free of burrs at the connecting ends. Clean A. Connect the suction line only to the indoor unit as the tubing to prevent contaminants from entering the outlined in Steps 15, 16, and 17.
- Page 10 16. Lubricate male half diaphragm and synthetic rubber TABLE 5 seal with refrigerant oil. Thread coupling halves COUPLINGS together by hand to insure proper mating of threads. Be sure to hold the coupling firmly to prevent movement of the coupling and tubing. Failure to do so could tear out the diaphragm causing a blockage of the system.
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Page 11: Wiring Instructions
WIRING INSTRUCTIONS GENERAL Example: 1. Control circuit transformer rated at 40 VA 2. Maximum total distance of control circuit All wiring must be installed in accordance with the National wiring 85 feet. Electrical Code and local codes. In Canada, all wiring must From Table 6, minimum of 18 gauge wire should be used in be installed in accordance with the Canadian Electrical the control circuit wiring. - Page 12 Manual 2100-346 Page...
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Page 14: Optional Controls
INSTALLATION INSTRUCTIONS — CMA-6 OPTIONAL CONTROLS FIGURE 5 Disconnect all power to unit. Remove control panel inner and outer cover. COMPONENT MOUNTING LOCATION 1. Mount terminal block in position shown in Figure 5. CMA-5 & CMA-13A LOW AMBIENT FAN CYCLING CMA-5 COMPRESSOR 2. -
Page 15: Installation Instructions - Cma-10A
INSTALLATION INSTRUCTIONS – CMA-10A 7.Remove service port caps on both the suction and discharge lines. Install the high pressure switch on the Disconnect all power to unit. Remove control panel cover. discharge line to the flare tee adapter that is brazed to the controls. -
Page 16: Figure 9
INSTALLATION INSTRUCTIONS – CMA-13A the high voltage outdoor motor lead was removed in Step 7. Disconnect all power to unit. Remove control panel cover. 9. Remove service port caps on both the suction and 1. Screw compressor control module and terminal block discharge lines. -
Page 17: Charging Instructions
CHARGING INSTRUCTIONS PRESSURE SERVICE PORTS TABLE 9 SYSTEM SUPERHEAT High and low pressure service ports are installed on all units so that the system operating pressures can be observed. Pressure tables can be found later in the manual covering all models. -
Page 18: Table 11
TABLE 11 SCHEDULE FOR TABLE 11 TOTAL SYSTEM OPERATING CHARGE (Includes charge for the basic outdoor unit, " 4 indoor coil and 25’ of interconnecting tubing.) " 8 " 2 Installer Note: Stamp or mark the final system charge determined above on the outdoor unit serial plate. Includes 25’... -
Page 19: Service
SERVICE SERVICE HINTS FIGURE 10 FAN BLADE 1. Caution homeowner to maintain clean air filters at all times. Also, not to needlessly close off supply and return air registers. This reduces air flow through the system, which shortens equipment service life, as well as, increasing operating costs. - Page 20 Manual 2100-346 Page...
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Page 22: Pressure Tables
TABLE 13 PRESSURE TABLE HAC181-A Low side pressure ± 2 PSIG (suction line 8 inches from compressor) High side pressure ± 5 PSIG discharge line 8 inches from compressor, liquid at base valve approximately -20 PSIG from values listed) Tests are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating change being in the system. -
Page 23: Table 15
TABLE 15 PRESSURE TABLE HAC301-A Low side pressure ± 2 PSIG (suction line 8 inches from compressor) High side pressure ± 5 PSIG discharge line 8 inches from compressor, liquid at base valve approximately -20 PSIG from values listed) Tests are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating change being in the system. -
Page 24: Table 17
TABLE 17 PRESSURE TABLE HAC 421-A Low side pressure ± 2 PSIG (suction line 8 inches from compressor) High side pressure ± 5 PSIG discharge line 8 inches from compressor, liquid at base valve approximately -20 PSIG from values listed) Tests are based upon rated CFM (airflow) across the evaporator coil. -
Page 25: Table 19
TABLE 19 PRESSURE TABLE HAC601-A, HAC601-B Low side pressure ± 2 PSIG (suction line 8 inches from compressor) High side pressure ± 5 PSIG discharge line 8 inches from compressor, liquid at base valve approximately -20 PSIG from values listed) Tests are based upon rated CFM (airflow) across the evaporator coil.
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