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WALL MOUNTED
INSTALLATION
PACKAGED HEAT PUMP
INSTRUCTIONS
Models: WH301, WH361
Manual No.: 2100-193O
Bard Manufacturing Company, Inc.
Supersedes: 2100-193N
Bryan, Ohio 43506
File: Volume III, Tab 17
Since 1914. . .Moving ahead just as planned.
Date: 05-04-07
Manual 2100-193O
© Copyright 2003
Page 1 of 26
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CONTENTS Getting Other Information and Publications Start Up For more information, Important Installer Note........................................ 20 contact these publishers ........................................ 3 Crankcase Heaters .............................................. 20 Service Hints ........................................................ 20 Wall Mount General Information Sequence of Operation ........................................ 20 Heat Pump Wall Mount Model Nomenclature ..
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Getting Other Information and Publications These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue NW Washington, DC 20009 National Electrical Code ....................... ANSI/NFPA 70 Telephone: (202) 483-9370 Fa
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WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE WH 36 1 A 10 X X X X X A REVISIONS CONTROL MODEL NUMBER MODULES VOLTS & PHASE CAPACITY KW COIL OPTIONS A - 230/208/60/1 30 - 2½ Ton X- Standard B - 230/208/60/3 36 - 3 Ton COLOR OPTIONS 1 - Phenolic Coated Evaporator C - 460/60/3 X - Beige (Standard) 2 - Phenolic Coated Condenser 1 - White 3 - Phenolic Coated Evaporator 2 - Mesa Brown and Condenser 4 - Buckeye Gray VENTILATION OPTIONS 5 - Desert Brown X - Barometric Fre
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Manual 2100-193O Page 5 of 26 TABLE 1 ELECTRIC HEAT TABLE MA odelsWB H301- WC H301-WA H301-WB H361- WC H361- WH361- 21 40-123 08- 23 40- 23 08- 41 60- 21 40- 23 08- 23 40- 23 08- 460- KA W BA TU BA TU BA TU BA TU BA TU BA TU BA TU BA TU BA TU BTU 5825 0.11 70610 8.18 280 25 0.11 70610 8. 1280 16 040 1.32 41330 6.26 560 40 1.32 41330 6. 2560 15 60 2.551 12050 4. 3840 6410 4.25 05010 2.12 53675 .24 047 10 4.25 05010 2.12 53675 . 2047 9720 1.37 06010 8.28 30310 0.37 070 20 1.37 06010 8.28 30310 0.
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Manual 2100-193O Page 6 of 26 TABLE 2 DIMENSIONS OF BASIC UNIT (NOMINAL) Sn upply Retur Width Depth Height Model (W) (D) (H) A BCB EF G I J K L M N O P Q R S T WH30 35 8.20013 7.1278 0.5678 .828 7.818 3.820 7.840 0.015 8.523 5.715 7.925 6.725 8.720 9.225 7.029 .735 9.124 2.799 .140 .110 2.0 5.0 WH36 FIGURE 1 UNIT DIMENSIONS FRONT VIEW SIDE VIEW BACK VIEW * OPTIONAL TOP OUTLET (FACTORY INSTALLED ONLY) FOR WH30 AND WH36 MODELS ONLY.
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Manual 2100-193O Page 7 of 26 TABLE 3 ELECTRICAL SPECIFICATIONS 4 1 2 2 4 1 2 2 Maximum Minimum External Fuse Maximum Circuit or Circuit Field Power Ground No. External Field Model Ampacity Breaker Wire Size Wire Size Rated Field Minimum Fuse or Power Ground Volts And Power Circuit Circuit Wire Wire CB KT ACA KTCB KTCA KTCB KTCA KTCB KT CKT Phase Circuits Ampacity Breaker Size Size WH301-A00, -A0Z 1 24 35 8 10 - - - - - - - - - - - - - - - - - - - - - - - - -A05 230/208-1 1 50 50 8 10 - - - - -
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Refer to Table 12 for maximum static pressure available FRESH AIR INTAKE for duct design. All units are built with fresh air inlet slots punched in Design the duct work according to methods given by the the service panel. Air Conditioning Contractors of America (ACCA). If the unit is equipped with a fresh air damper assembly, When duct runs through unheated spaces, it should be the assembly is shipped already attached to the unit. insulated with a minimum of one inch of insulation. The damper bl
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INSTALLATION INSTRUCTIONS 3. Locate and mark lag bolt locations and bottom WALL MOUNTING INFORMATION mounting bracket location. See Figure 3. 1. Two holes, for the supply and return air openings, 4. Mount bottom mounting bracket, if used. must be cut through the wall as shown in Figure 3. 5. Hook top rain flashing under back bend of top. Top 2. On wood-frame walls, the wall construction must be rain flashing is shipped secured to the back of the unit strong and rigid enough to carry the weigh
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Manual 2100-193O Page 10 of 26 FIGURE 3 MOUNTING INSTRUCTIONS
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FIGURE 4 ELECTRIC HEAT CLEARANCE Side section view of supply air duct for wall mounted unit showing 1/4" clearance to combustible surfaces. WARNING A minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials. This is required for the fist three (3) feet of ducting. It is important to insure that the 1/4" minimum spacing is maintained at all points. Failure to do this could result in overheating the combustible material and may result in a fire.
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FIGURE 5 ATTACHING TOP OUTLET AIRFRAMES TO UNIT FIGURE 6 UNIT WITH TOP OUTLET MOUNTED UNDER OVERHANG Manual 2100-193O Page 12 of 26
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FIGURE 7 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FIGURE 8 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS Manual 2100-193O Page 13 of 26
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FIGURE 9 COMMON WALL-MOUNTING INSTALLATIONS Manual 2100-193O Page 14 of 26
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If no motorized vent option is used, nine (9) wires WIRING — MAIN POWER should be run from the thermostat subbase to the 24V Refer to the unit rating plate for wire sizing information terminal board in the unit. A nine (9) conductor, 18 and maximum fuse or “HACR Type” circuit breaker gauge copper color-coded thermostat cable is size. Each outdoor unit is marked with a “Minimum recommended. If a motorized vent option is used, Circuit Ampacity”. This means that the field wiring terminal O1 on
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FIGURE 10 LOW VOLTAGE WIRING TABLE 5 THERMOSTAT WIRE SIZE Maximum Transformer Distance VA AFe L Wire Gaug In Feet 20 gauge 45 18 gauge 60 53 5 2. 16 gauge 100 14 gauge 160 12 gauge 250 Manual 2100-193O Page 16 of 26
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Thus, not requiring the optional compressor cut-off OPTIONAL OUTDOOR THERMOSTAT thermostat or the electric heat cut-off thermostat option. APPLICATIONS Since most equipment at the time of manufacture is not OPTIONAL COMPRESSOR CUTOFF designated for any specific destination of the country and THERMOSTAT (See Figures 11 and 12) are installed in areas not approaching the lower outdoor temperature range, outdoor thermostats are not factory Heat pump compressor operation at outdoor temperatures inst
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ELECTRIC HEAT HOLD-OFF (See Figures 13 efficiency by utilizing the heat pump to bring the and 14) conditioned space temperature up, rather than cycling on the electric heat due a second stage call for heat from the In other applications, it is desirable to disable the thermostat on start-up coming off a night setback operation of the electric heat until outdoor temperatures condition or someone increasing the thermostat set have reached a certain design point. This won't allow point. (NOTE: S
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TABLE 6 WALL THERMOSTAT Ts hermostat Predominate Feature 2 stage cool, 2 stage heat 8403-058 Electronic Non-Programmable (TH5220D1151) Auto or Manual changeover 2 stage cool, 3 stage heat 8403-060 Programmable Electronic (1120-445) Auto or Manual changeover with built-in Humidistat Manual 2100-193O Page 19 of 26
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START UP FIGURE 15 IMPORTANT INSTALLER NOTE START UP LABEL For improved start-up performance, wash the indoor coil with a dishwashing detergent. IMPORTANT THESE PROCEDURES MUST BE CRANKCASE HEATERS FOLLOWED AT INITIAL START UP All units are provided with some form of compressor AND AT ANY TIME POWER HAS crankcase heat. BEEN REMOVED FOR 12 HOURS All single and three phase models have an insertion OR LONGER. well-type heater located in the lower section of the TO PREVENT COMPRESSOR DAMAGE compress
