Instruction/ maintenance manual of the product WH242 Bard
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W ALL MOUNTED P ACKAGE HEA T PUMP Models WH183 WH242 INST ALLA TION INSTRUCTIONS Manual : 2100-373A Supersedes: 2100-373 File: V olume III T ab 17 Date: 05-13-02 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914.
Contents Getting Other Informations and Publications ........ 1 W all Mount General Information ............................. 2 Heat Pump W all Mount Model Nomenclature .......... 2 Shipping Damage .................................................... 2 General .
Manual 2100-373 Page 1 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
Manual 2100-373 Page 2 W ALL MOUNT GENERAL INFORMA TION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE NOTE: For 0 KW and circuit breakers (230/208 Volt) or pull disconnects (460 Volt) applications, insert 0Z in the KW field of model number.
Manual 2100-373 Page 3 FIGURE 1 UNIT DIMENSIONS MIS-992.
Manual 2100-373 Page 4 Size of unit for a proposed installation should be based on heat loss calculation made according to methods of Air Conditioning Contractors of America (ACCA).
Manual 2100-373 Page 5 MIS-938 FIGURE 2 FRESH AIR DAMPER ASSEMBLY Any grille that meets the 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG2 thru RG5 or RFG2 thru RFG5 be installed when no return duct is used.
Manual 2100-373 Page 6 INST ALLA TION INSTRUCTIONS WALL MOUNTING INFORMATION 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides. A bottom mounting bracket is provided for ease of installation, but is not required.
Manual 2100-373 Page 7 FIGURE 3 MOUNTING INSTRUCTIONS MIS-353.
Manual 2100-373 Page 8 FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS MIS-548 MIS-549 FIGURE 4 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIO.
Manual 2100-373 Page 9 FIGURE 6 COMMON WALL MOUNTING INSTALLATIONS MIS-550.
Manual 2100-373 Page 10 WIRING – MAIN POWER Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR” type circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current.
Manual 2100-373 Page 11 COMPRESSOR CUTOFF THERMOSTAT AND OUTDOOR THERMOSTATS Heat pump compressor operation at outdoor temperatures below 0° F are neither desirable not advantageous in terms of efficiency.
Manual 2100-373 Page 12 HEAT ANTICIPATION Group A and Group B thermostats shown in Table 4 have a fixed heat anticipator for stage 1 with no adjustment required. Stage 2 has an adjustable anticipator for the W2 connection and fixed for the W3 connection.
Manual 2100-373 Page 13 ST ART UP IMPORTANT INSTALLER NOTE For improved start up performance, wash the indoor coil with a dish detergent. CRANKCASE HEATERS WH241 units are provided with compressor crankcase heat. These models have an insertion well-type heater located in the lower section of the compressor housing.
Manual 2100-373 Page 14 PRESSURE SERVICE PORTS High and low pressure service ports are installed on all units so that the system operating pressures can be observed. Pressure curves can be found later in the manual covering all models on both cooling and heating cycles.
Manual 2100-373 Page 15 TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL TROUBLESHOOTING PROCEDURE 1. Turn on AC power supply to indoor and outdoor units. 2. Turn thermostat blower switch to “fan on” – the indoor blower should start. (If it doesn’t, troubleshoot indoor unit and correct problem.
Manual 2100-373 Page 16 F R F R F R -25.0 -24.0 -23.0 -22.0 -21.0 -20.0 -19.0 -18.0 -17.0 -16.0 -15.0 -14.0 -13.0 -12.0 -11.0 -10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.
Manual 2100-373 Page 17 FAN BLADE SETTING DIMENSIONS Shown in the drawing below are the correct fan blade setting dimensions for proper air delivery across the outdoor coil.
Manual 2100-373 Page 18 Low Side Pressure ± 2 PSIG High Side Pressure ± 5 PSIG T ables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled “ Refrigerant Charge ” elsewhere in manual.
Manual 2100-373 Page 19 TABLE 13 OPTIONAL ACCESSORIES L E D O MN O I T P I R C S E D 4 0 A - A 2 0 H W H E 8 0 A - A 2 0 A W H E 6 0 B - 4 1 H W H E 6 0 C - B 4 2 H W H E s e g a k c a P r e t a e H s.
An important point after buying a device Bard WH242 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bard WH242 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bard WH242 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard WH242 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard WH242 will certainly help you make a decision on the purchase.
If you already are a holder of Bard WH242, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bard WH242.
However, one of the most important roles played by the user manual is to help in solving problems with Bard WH242. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard WH242 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
