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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE HEAT PUMPS
W18H2
W24H2
W30H2
W36H2
W42H2
W48H2
W60H2
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
MODELS
W24H2D
W30H2D
W36H2D
W42H2D
W48H2D
W60H2D
Manual:
2100-604
Supersedes:
NEW
File:
Volume III Tab 17
Date:
10-01-13
Manual
Page
2100-604
1 of 28
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Summary of Contents for Bard W18H2
- Page 1 W18H2 W24H2 W24H2D W30H2 W30H2D W36H2 W36H2D W42H2 W42H2D W48H2 W48H2D W60H2 W60H2D Bard Manufacturing Company, Inc. Manual: 2100-604 Bryan, Ohio 43506 Supersedes: File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 10-01-13 Manual 2100-604 Page 1 of 28...
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Page 2: Table Of Contents
Contents Start Up Getting Other Information and Publications General ............... 15 Topping Off System Charge ........15 Wall Mount General Information Safety Practices ............15 Wall Mount Model Nomenclature ......4 Important Installer Note ........... 16 Shipping Damage ............. 4 High &... -
Page 3: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS FOR MORE INFORMATION, CONTACT These publications can help you install the air conditioner or heat pump. You can usually find these 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 – CONTROL MODULES REVISIONS MODEL NUMBER (See Spec. Sheet S3398) CAPACITY 18 - 1½ Ton VOLTS & PHASE COIL OPTIONS H - Heat Pump 24 - 2 Ton A - 230/208/60/1 X - Standard COLOR OPTIONS 30 - 2½... -
Page 5: Duct Work
Any grille that meets with 5/8 inch louver criteria may be the top of the unit down to the unit base. There are used. It is recommended that Bard Return Air Grille Kit openings in the unit base for the drain hose to pass RG-2W through RG-5W or RFG-2W through RFG-5W be through. -
Page 6: 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. 2. On wood frame walls, the wall construction must be Failure to provide the 1/4 inch clearance strong and rigid enough to carry the weight of the between the supply duct and a combustible unit without transmitting any unit vibration. -
Page 7: Figure 2 Unit Dimensions
Width Depth Height Model W18H2 33.300 17.125 70.563 7.88 19.88 11.88 19.88 35.00 18.50 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 5.00 12.00 5.00 W24H2 W30H2 38.200 17.125 70.563 7.88 27.88 13.88 27.88 40.00 18.50 25.75 17.93 26.75 28.75 29.25 27.00 2.63 39.13 22.75 9.14 5.00 12.00 5.00... -
Page 8: Figure 3A Mounting Instructions W18, W24
Manual 2100-604 Page 8 of 28... -
Page 9: Figure 3B Mounting Instructions - W30, W36
Manual 2100-604 Page 9 of 28... -
Page 10: Figure 3C Mounting Instructions - W42, W48, W60
Manual 2100-604 Page 10 of 28... -
Page 11: Figure 4 Electric Heat Clearance
FIGURE 4 ELECTRIC HEAT CLEARANCE W30H2, W36H2, W42H2, W48H2, W60H2 SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES. WARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting. -
Page 12: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL MOUNTING INSTRUCTIONS WALL STRUCTURE SEE FIGURE 3 – MOUNTING INSTRUCTIONS FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING WOOD OR STEEL SIDING BRACKET. -
Page 13: Figure 7 Common Wall Mounting Installations
FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE... -
Page 14: Wiring - Main Power
WIRING – MAIN POWER WIRING – LOW VOLTAGE WIRING Refer to the unit rating plate for wire sizing information 230/208V, 1 phase and 3 phase equipment dual primary and maximum fuse or “HACR” type circuit breaker voltage transformers. All equipment leaves the factory wired on 240V tap. -
Page 15: Start Up
7. Never fill cylinders over 80% of total capacity. TOPPING OFF SYSTEM CHARGE 8. Store cylinders in a cool area, out of direct If a leak has occurred in the system, Bard sunlight. Manufacturing recommends reclaiming, evacuating (see criteria above), and charging to the nameplate 9. -
Page 16: Important Installer Note
START UP (Continued) IMPORTANT INSTALLER NOTE PHASE MONITOR For improved start up performance wash the indoor coil All units with three phase scroll compressors are with a dish washing detergent. equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal. HIGH &... -
Page 17: Sequence Of Operation
SEQUENCE OF OPERATION wire from the 60-minute terminal and reconnect to the desired COOLING – Circuit R-Y makes at thermostat pulling in terminal. Refer to Figure 8. There is a cycle speed up jumper on the control. This can be compressor contactor, starting the compressor and outdoor used for testing purposes to reduce the time between defrost motor. -
Page 18: Figure 8 Defrost Control Board
FIGURE 8 DEFROST CONTROL BOARD TIME (SEC) LOW PRESSURE BYPASS TIMER SWITCH 120* *(FACTORY SETTING 120 SECONDS) ACCUMULATED DEFROST TIME TIMER (FACTORY SETTING 60 MIN.) MIS-2668 A Manual 2100-604 Page 18 of 28... -
Page 19: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL NOTE: If there was no power to 24 volt transformer, TROUBLESHOOTING PROCEDURE the compressor and outdoor fan motor will 1. NOTE: A thorough understanding of the defrost not start for 5 minutes. This is because of cycle sequence is essential. -
Page 20: Checking Temperature Sensor
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance. Use OUTSIDE UNIT CIRCUIT sensor ambient temperature. (Tolerance of part is ± 10%.) 1. Disconnect temperature sensor from board and 4. If sensor resistance reads very low, then sensor is from outdoor coil. -
Page 21: Figure 9 Fan Blade Setting
MODEL (INCHES) evaluating proper system performance. They shall not W18H2 be used to adjust charge. If charge is in doubt, reclaim, 1.00" W24H2 evacuate and recharge the unit to the serial plate charge. -
Page 22: Table 3A Cooling Pressure
105° 110° 115° 120° TEMP. 75 DB Low Side 62 WB High Side 80 DB Low Side W18H2 67 WB High Side 85 DB Low Side 72 WB High Side 75 DB Low Side 62 WB High Side 80 DB... -
Page 23: Table 4A Electrical Specifications
Wire Ampacity Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. Brkr. Size W18H2-A00, A0Z 230/208-1 W24H2-A00, A0Z 230/208-1 1 or 2 W24H2-B00, B0Z 230/208-3 W24H2-C00, C0Z 460-3 W30H2-A00, A0Z* A05* 230/208-1... -
Page 24: Table 4B Electrical Specifications
TABLE 4B Electrical Specifications — Dehumidification Models Single Circuit Dual Circuit Minimum Maximum Rated Field Maximum Field Circuit External Fuse Field Power Ground MODEL Volts & Minimum Power External Power Ground Ampacity or Ckt. -
Page 25: Table 5 Recommended Airflow
TABLE 5 RECOMMENDED AIRFLOW Rated Recommended Factory Speed Model Rated ESP * CFM * Airflow Range Connection W18H 600 575 - 725 High W24H 700 - 950 High W30H 1000 930 - 1300 High W36H 1100 930 - 1350 High W42H 1400... -
Page 26: Tables 7 Maximum Esp Electric Heat Only
TABLES 7 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY Model Front Outlet Top Outlet Model High High W18H Speed Speed Speed Speed W24H W30H W24H W36H W24H W30H W36H W30H W36H W42H W48H W60H Model Speed KW High Speed Low Speed High Speed Low Speed High Speed Low Speed -A00 -A04 -----... -
Page 27: Table 9 Optional Accessories
TABLE 9 OPTIONAL ACCESSORIES Part Number EHWH02A-A04 EHWH02A-A08 EHW24H-A04 EHW24H-A08 EHW24H-B06 EHWH30-A05 EHWH30-A10 EHWH36-A05 EHWH36-A10 EHWH36-A15 EHWH03-B06 EHW36H-B06 EHWH03-B09 EHW30H-B15 EHWC03A-C06 EHWH42-A05 EHWH42-A10 EHWH42-A15 EHWH-04-A20 EHWH05-B06 EHWH05-B09 EHWH05-B15 EHWH42-C06 EHWH05A-C09 EHWH05A-C15 EHWH04-A15 EHWH04-A10 EHW05H-B18 WMCB-02A WMCB-02B WMCB-03A WMCB-03B WMCB-06A WMCB-05B WMCB-07B WMCB-08A WMCB-09A... -
Page 28: Table 10 Vent & Control Options
TABLE 10 VENT & CONTROL OPTIONS Part Number Description CMC-14 CMC-15 Start Kit (230V 1-Phase only) SK111 Start Kit (230V 1-Phase only) CMC-28 BFAD-2 Barometric Fresh Air Damper - Standard BOP-2 Blank Off Plate MFAD-2 Motorized Fresh Air Damper CRV-2 Commercial Ventilator - Spring Return EIFM-2B...