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INSTALLATION INSTRUCTIONS
SPLIT AIR CONDITIONER
OUTDOOR SECTION
Models: HAC181-AD040
HAC241-AD040
HAC301-AD040
HAC361-AD040
HAC421-AD040
HAC481-AD040
HAC481-BD040
HAC601-AD040
HAC601-BD040
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.
Date: 09-04-02
© Copyright 2002
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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 ................
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SPLIT AIR CONDITIONER MODEL NOMENCLATURE HAC 36 1 – A 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 W ALTERNATE ELECTRICAL ENTRANCES ON BACK H HIGH VOLTAGE ENTRANCE LOW VOLTAGE ENTRANCE C REFRIGERANT SHUTOFF VALVES B F D A E MIS-1789 TABLE 1 UNIT DIMENSIONS "W" "D" "H" ModelNo. Width DepthHA eight B C E F HAC181 40
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TABLE 2 RATED CFM AND AIR FLOW DATA (WET COIL – COOLING) Rated Airflow Condensing Evaporator Motor System Pressure Rated Recommended Unit Coil CFM Speed Orifice Drop H O E.S.P. Air Flow Range 2 Model No. Model No. Tap Required A30AS-A 650 .15 550 - 715 .052 * HAC181-A S24AS-A 650 .24 550 - 715 .052 * BC24B 650 .d 35 Me 550 - 715 .052 * A30AS-A 800 .18 700 - 910 .055 * HAC241A S24AS-A 780 .30 680 - 890 .055 BC24B 750 .h 20 Hig 700 - 910 .055 * A36AS-A 1,000 .20 850 - 1,175 .063 * HAC301-A BC36B 1
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Manual 2100-346 Page 3 TABLE 3 SPECIFICATIONS MA ODELS HA AC181-HA AC241-HA AC301-HA AC361-HA AC421-HB AC481-HA AC481-HB AC601- HAC601- E1 lectricalRating (60HZ/V/PH) 21 30/208-21 30/208-21 30/208-21 30/208-21 30/208-23 30/208-21 30/208-23 30/208- 230/208- O3 perating Voltage Range 13 97 - 2513 97 - 2513 97 - 2513 97 - 2513 97 - 2513 97 - 2513 87 - 2513 97 - 25 187 - 25 M5 inimum CircuitAmpacity 1519102526271531 2 ¬F4 ield Wire Size 14121210101218 10 ! D0 elayFuse Maximum or CircuitBreake
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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. interconnecting refrigerant tubing and the electrical wiring Condenser air enters the coil from the rear of the unit as connections to the unit. shown in Figure 2 with electri
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NOTE: Do not braze line to units! If orifice needs to be 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. Disassemble Flow Control Assembly by turning body hex. 4. If existing orifice has not dropped out of the body when disassembled, remove by using a pin or paper clip. Discard this original orifice. 5. Insert proper sized orifice fully into the flow
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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. Phosphorus reacts with the iron forming tubing. Care must be taken to insure that the tubing is kep
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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. system. B. Recover indoor unit and suction line unit charge NOTE: Do not make any tubing connection at indoor unit through service port located on outdoor unit base at this time. Make all brazing of joint
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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 Cs oupling Size Feet Pound sure to hold the coupling firmly to prevent movement of the coupling and tubing. Failure to do so could tear out -2 6 10 - 1 the diaphragm causing a blockage of the system. Use -5 10 35 - 4 proper size wrenches (on coupling body hex and on union nut) and tighten until coupling bodies ”bott
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WIRING INSTRUCTIONS Example: 1. Control circuit transformer rated at 40 VA GENERAL 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. Code and in accordance with the regulations of the authorities having jurisdiction. Power su
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Manual 2100-346 Page 10
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Manual 2100-346 Page 11
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OPTIONAL CONTROLS INSTALLATION INSTRUCTIONS — CMA-6 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. Disconnect black high voltage outdoor motor lead from CONTROL TERMINAL BLOCK TIME DELAY RELAY compressor contactor and reconnect to terminal block. 3. Route low ambient control wires up through the bushing in the bottom
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7.Remove service port caps on both the suction and INSTALLATION INSTRUCTIONS – CMA-10A 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. Install the low pressure switch on the 1. Screw compressor control module and terminal block suction line. Check for pressure at the flare tee dill into control panel as shown in Figure 5. valves after installation to insu
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the high voltage outdoor motor lead was removed in INSTALLATION INSTRUCTIONS – CMA-13A 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. Install the high pressure switch and into control panel as shown in Figure 5. the low ambient control on the discharge line with the flare tee adapter that is brazed to the controls. Install 2. Disconnect yellow low volta
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CHARGING INSTRUCTIONS TABLE 9 PRESSURE SERVICE PORTS SYSTEM SUPERHEAT High and low pressure service ports are installed on all units Return Air Temperature Outdoor Ambient so that the system operating pressures can be observed. F Wet Bulb Temperature ( F Pressure tables can be found later in the manual covering all Dry Bulb) models. It is imperative to match the correct pressure table 53 9 6761 7 to the unit by model number. 105 1 1 5 95 1 3 (8) 20 SYSTEM START-UP (INDOOR UNITS 90 1 7 14 26 WIT
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TABLE 11 SCHEDULE FOR TABLE 11 TOTAL SYSTEM OPERATING CHARGE L. iquid Line Diameter Oz. R-22 Per Ft (Includes charge for the basic outdoor unit, indoor coil and 25’ of interconnecting tubing.) 1/4" 0.25 3/8" 0.60 1/2" 1.20 Total R-22 Installer Note: Stamp or mark the final system charge On utdoor Section Indoor Sectio Charge (Oz.) determined above on the outdoor unit serial plate. A30AS-A 73 oz. HAC181-A S24AS-A 73 oz. BC24B 78 oz. A30AS-A 80 oz. HAC241-A S24AS-A 80 oz. BC24B 79 oz. A36AS-
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SERVICE FIGURE 10 SERVICE HINTS 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 C as, increasing operating costs. 2. Check all power fuses or circuit breakers to be sure that they are the correct rating. 3. Periodic cleaning of the outdoor coil to permit full and unrestricted air flow circulation is essential. F
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Manual 2100-346 Page 18
