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Summary of Contents for Bard WH301D
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS Models WH301D WH361D Manual : 2100-357D Bard Manufacturing Company Supersedes: 2100-357C Bryan, Ohio 43506 File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 09-01-03 © Copyright 2003...
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Page 2: Table Of Contents
CONTENTS Start Up Getting Other Informations and Publications ..1 Important Installer Note ......... 15 Crankcase Heaters ..........15 Wall Mount General Information Service Hints ............15 Wall Mount Nomenclature ........2 Sequence of Operation .......... 15 Shipping Damage ............ 5 Pressure Service Ports .......... -
Page 3: Getting Other Informations And Publications
Getting Other Information And Publications For more information, contact these These publications can help you install the air conditioner or heat pump. You can usually find these publishers: at your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION Heat Pump Wall Mount Model Nomenclature MODEL NUMBER CONTROL MODULES (See Chart Below 1 D A CAPACITY COIL OPTIONS 30 – 2-1/2 Ton REVISION X – Standard 36 – 3 Ton 1 – Phenolic Coated Evaporator VENTILATION OPTIONS 2 –... -
Page 5: Figure 1 Unit Dimensions
FIGURE 1 UNIT DIMENSIONS MIS-484... -
Page 6: Table 2 Electrical Specifications
TABLE 2 ELECTRICAL SPECIFICATIONS Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. Based on 75°C copper wire. All wiring must conform to NEC and all local codes. Maximum KW that can operate with heat pump on. These Minimum Circuit Ampacity"... -
Page 7: Shipping Damage
Any grille that meets the 5/8 inch louver criteria, may be standards. used. It is recommended that Bard Return Air Grille Kit RG-2 thru RG-5 or RFG-2 thru RFG-5 be installed Size of unit for a proposed installation should be based when no return duct is used. -
Page 8: Fresh Air Intake
CONDENSATE DRAIN FRESH AIR INTAKE A plastic drain hose extends from the drain pan at the All units are built with fresh air inlet slots punched in top of the unit down to the unit base. There are the service panel. openings in the unit base for the drain hose to pass If the unit is equipped with the fresh air damper through. -
Page 9: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION WARNING 1. Two holes, for the supply and return air openings, must be cut through the wall as shown in Figure 3. Failure to provide the 1/4 inch clearance 2. On wood-frame walls, the wall construction must be between the supply duct and a combustible strong and rigid enough to carry the weight of the surface for the first 3 feet of duct can result in... -
Page 10: Figure 3 Mounting Instructions
FIGURE 3 MOUNTING INSTRUCTIONS NOTE: It is recommended that a bead of silicone caulking be placed behind the side mounting flanges and under the top flashing at the time of installation. MIS-311 FIGURE 4 ELECTRIC HEAT CLEARANCE WARNING • A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. -
Page 11: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 — MOUNTING INSTRUCTIONS MIS-548 FIGURE 6 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS MIS-549 Manual 2100-357 Page... -
Page 12: Figure 7 Common Wall Mounting
FIGURE 7 COMMON WALL-MOUNTING INSTALLATIONS MIS-550 Manual 2100-357 Page... -
Page 13: Wiring - Main Power
LOW VOLTAGE CONNECTIONS WIRING — MAIN POWER These units use a grounded 24 volt AC low voltage Refer to the unit rating plate for wire sizing information circuit. and maximum fuse or “HACR" type circuit breaker size. Each outdoor unit is marked with a “Minimum The "R"... -
Page 14: Figure 8 Hot Gas Reheat During Dehumidification With Cs200
WHxxxDx – HOT GAS REHEAT DURING DEHUMIDIFICATION WITH CS2000 ENERGY MONITOR FULL TIME DEHUMIDIFICATION AREA HVAC OCCUPIED 8403-032 NC C C NC BARD CS2000 H600A 8403-038 HONEYWELL H600A HUMIDITY CONTROLLER 8403-047 DEHUMIDISTAT VICONICS H200-10-21-10 8403-042 HONEYWELL B W1 W2 T8511G1070 THERMOSTAT... -
Page 15: Figure 9 Hot Gas Reheat During Dehumidification With Programmable Thermostat
FIGURE 9 WHxxxDx – HOT GAS REHEAT DURING DEHUMIDIFICATION WITH PROGRAMMABLE THERMOSTAT FULL TIME DEHUMIDIFICATION IMPORTANT NOTE: Only the thermostat and subbase combinations as shown in Table 4 will work with this equipment. The thermostat and subbase must be matched, and the correct operation can be assured only be proper selection and application of these parts. -
Page 16: Thermostat Indicator Lamps
TABLE 3 THERMOSTAT WIRE SIZE TABLE 4 WALL THERMOSTATS ; l o ; l o THERMOSTAT INDICATOR LAMPS COMPRESSOR MALFUNCTION LIGHT Actuation of the red lamp is accomplished by a relay The red lamp will come on if there is any problem that output from the heat pump control board which is prevents the compressor from running when it is supposed to be. -
Page 17: Figure 10 Start Up Label
START UP IMPORTANT INSTALLER NOTE FIGURE 10 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. -
Page 18: Pressure Service Ports
OCCUPIED MODE PRESSURE SERVICE PORTS VENTILATION SEQUENCE – The ERV and indoor High and low pressure service ports are installed on all blower will be continuously energized when the timer is units so that the system operating pressures can be energized. -
Page 19: Figure 11 Defrost Control Board
Use a small screwdriver or other metallic object, or By placing a jumper across the SEN JMP terminals (a another 1/4 inch QC, to short between the SPEEDUP 1/4 inch QC terminal works best) the defrost sensor terminals to accelerate the HPC timer and initiate mounted on the outdoor coil is shunted out and will defrost. -
Page 20: Troubleshooting
TROUBLESHOOTING 3. Turn thermostat blower switch to auto position. SOLID STATE HEAT PUMP CONTROL Indoor blower should stop. TROUBLESHOOTING PROCEDURE 4. Set system to heat or cool. Adjust thermostat to call 1. Turn on AC power supply to indoor and outdoor for heat or cool –... -
Page 21: Checking Temperature Sensor Outside Unit Circuit
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance. Use sensor ambient temperature. (Tolerance of part is OUTSIDE UNIT CIRCUIT ± 10%.) 1. Disconnect temperature sensor from board and from 4. If sensor resistance reads very low, then sensor is outdoor coil. -
Page 22: Figure 12 Fan Blade Setting Dimensions
FAN BLADE SETTING DIMENSIONS REFRIGERANT CHARGE Shown in the drawing in Figure 12 are the correct fan The correct system R-22 charge is shown on the unit blade setting dimensions for proper air delivery across rating plate. Optimum unit performance will occur with the outdoor coil. -
Page 23: Pressure Tables
TABLE 10 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY Values shown are for unites equipped with standard 1 inch throwaway filter on 1 inch washable filter. Derate ESP by .15 for 2 inch pleated filters. TABLE 11 COOLING PRESSURE – (All temperatures °F) Low side pressure ±... -
Page 24: Optional Accessories
TABLE 12 HEATING PRESSURES – (All temperatures °F) Low side pressure ± 2 psig High side pressure ± 5 psig Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to serial plate instruction.
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