Instruction/ maintenance manual of the product WH-301 Bard
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Manual 2100-193O Page 1 of 26 Models: WH301, WH361 W ALL MOUNTED P ACKAGED HEA T PUMP INST ALLA TION INSTRUCTIONS Manual No.: 2100-193O Supersedes: 2100-193N File: V olume III, T ab 17 Date: 05-04-07 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914.
Manual 2100-193O Page 2 of 26 CONTENTS St art Up Important I nst aller Note ........................................ 20 Crankcase Heaters .............................................. 20 Service Hints .................................................
Manual 2100-193O Page 3 of 26 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 2100-193O Page 4 of 26 WALL MOUNT GENERAL INFORMA TION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE WH 36 1 A 10 X X X X X A VOL TS & PHASE A - 230/208/60/1 B - 230/208/60/3 C - 460/60/3 MODEL N.
Manual 2100-193O Page 5 of 26 TABLE 1 ELECTRIC HEAT TABLE s l e d o MA - 1 0 3 H WB - 1 0 3 H WC - 1 0 3 H WA - 1 6 3 H WB - 1 6 3 H WC - 1 6 3 H W 1 - 0 4 21 - 8 0 23 - 0 4 23 - 8 0 23 - 0 6 41 - 0 4 21 - 8 0 23 - 0 4 23 - 8 0 23 - 0 6 4 W KA U T BA U T BA U T BA U T BA U T BA U T BA U T BA U T BA U T BA U T B 58 .
Manual 2100-193O Page 6 of 26 FIGURE 1 UNIT DIMENSIONS * OPTIONAL TOP OUTLET (FACTORY INSTALLED ONLY) FOR WH30 AND WH36 MODELS ONLY. TABLE 2 DIMENSIONS OF BASIC UNIT (NOMINAL) l e d o M h t d i W ) W ( h t p e D ) D ( t h g i e H ) H ( y l p p u Sn r u t e R EF G I J K L M N O P Q R S T A BCB 0 3 H W 6 3 H W 0 0 2 .
Manual 2100-193O Page 7 of 26 TABLE 3 ELECTRICAL SPECIFICATIONS l e d o M d e t a R d n A s t l o V e s a h P . o N d l e i F r e w o P s t i u c r i C 4 m u m i n i M t i u c r i C y t i c a p m A 1 .
Manual 2100-193O Page 8 of 26 Any grille that meets the 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG-2 through RG-5 or RFG-2 through RFG-5 be installed when no return duct is used. Contact distributor or factory for ordering information.
Manual 2100-193O Page 9 of 26 INST ALLA TION INSTRUCTIONS WALL MOUNTING INFORMATION 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 strong and rigid enough to carry the weight of the unit without transmitting any unit vibration.
Manual 2100-193O Page 10 of 26 FIGURE 3 MOUNTING INSTRUCTIONS.
Manual 2100-193O Page 11 of 26 Side section view of supply air duct for wall mounted unit showing 1/4" clearance to combustible surfaces. FIGURE 4 ELECTRIC HEAT CLEARANCE W ARNING A minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials.
Manual 2100-193O Page 12 of 26 FIGURE 5 ATTACHING TOP OUTLET AIRFRAMES TO UNIT FIGURE 6 UNIT WITH TOP OUTLET MOUNTED UNDER OVERHANG.
Manual 2100-193O Page 13 of 26 FIGURE 7 WALL-MOUNTING INSTRUCTIONS FIGURE 8 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE F.
Manual 2100-193O Page 14 of 26 FIGURE 9 COMMON WALL-MOUNTING INSTALLATIONS.
Manual 2100-193O Page 15 of 26 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 2100-193O Page 16 of 26 FIGURE 10 LOW VOLTAGE WIRING TABLE 5 THERMOSTAT WIRE SIZE r e m r o f s n a r T A VA L Fe g u a G e r i W m u m i x a M e c n a t s i D t e e F n I 5 53 .
Manual 2100-193O Page 17 of 26 OPTIONAL OUTDOOR THERMOSTAT APPLICATIONS Since most equipment at the time of manufacture is not designated for any specific destination of the country and are installed .
Manual 2100-193O Page 18 of 26 ELECTRIC HEAT HOLD-OFF ( See Figures 13 and 14) In other applications, it is desirable to disable the operation of the electric heat until outdoor temperatures have reached a certain design point.
Manual 2100-193O Page 19 of 26 TABLE 6 WALL THERMOSTAT t a t s o m r e h Ts e r u t a e F e t a n i m o d e r P 8 5 0 - 3 0 4 8 ) 1 5 1 1 D 0 2 2 5 H T ( t a e h e g a t s 2 , l o o c e g a t s 2 e l .
Manual 2100-193O Page 20 of 26 IMPORTANT INSTALLER NOTE For improved start-up performance, wash the indoor coil with a dishwashing detergent. CRANKCASE HEATERS All units are provided with some form of compressor crankcase heat.
Manual 2100-193O Page 21 of 26 PRESSURE SERVICE PORTS High and low pressure service ports are installed on all units so that the system operating pressures can be observed. Pressure tables can be found on Page 25 covering all models. It is imperative to match the correct pressure table to the unit by model number.
Manual 2100-193O Page 22 of 26 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 2100-193O Page 23 of 26 CHECKING TEMPERATURE SENSOR OUTSIDE UNIT CIRCUIT 1. Disconnect temperature sensor from board and from outdoor coil. 2. Use an ohmmeter and measure the resistance of the sensor. Also use ohmmeter to check for short or open.
Manual 2100-193O Page 24 of 26 REFRIGERANT CHARGE The correct system R-22 charge is shown on the unit rating plate. Optimum unit performance will occur with a refrigerant charge resulting in a suction line temperature (6 inches from compressor) as shown in Table 9.
Manual 2100-193O Page 25 of 26 Low side pressure ± 2 psig High side pressure ± 5 psig Tables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled “Refrigerant Charge” on Page 24 in manual.
Manual 2100-193O Page 26 of 26 WH301-A WH301-B WH301-C WH361-A WH361-B WH361-C TABLE 15 OPTIONAL ACCESSORIES L E D O MN O I T P I R C S E D 5 0 A - 0 3 H W H Es e g a k c a P r e t a e H 1 X 0 1 A - 0.
An important point after buying a device Bard WH-301 (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 WH-301 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 WH-301 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard WH-301 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard WH-301 will certainly help you make a decision on the purchase.
If you already are a holder of Bard WH-301, 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 WH-301.
However, one of the most important roles played by the user manual is to help in solving problems with Bard WH-301. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard WH-301 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
