Bard WH-301 manual

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. . .Moving ahead just as planned. © Copyright 2003[...]

Manual 2100-193O Page 2 of 26 CONTENTS St art Up Important I nst aller Note ........................................ 20 Crankcase Heaters .............................................. 20 Service Hints ........................................................ 20 Sequence of Operation ........................................ 20 Pressure Service Port [...]

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. National E lectrical Code ....................... ANSI/[...]

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 NUMBER REVISIONS CAP ACITY 30 - 2 ½ To n 36 - 3 T on KW VENTI LA TION OPTIONS X - Barometric Fresh Air Damper (S tandard) B - Blank-off Plate M - Moto[...]

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 . 0 25 6 0 7 11 . 8 10 0 8 2 18 . [...]

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 . 8 35 2 1 . 7 13 6 5 . 0 78 8 . 7[...]

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 m u m i x a M l a n r e t x E r o e s u F t i u c r i C r e k a e r B 2 d l e i F r e w o P e r i W e z i S 2 d n u o r G e r i W e z i S 4 m u m i n [...]

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. If using a return air filter grille, filters must be of sufficient[...]

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. 3. Concret[...]

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. This is required for the fist three (3) feet of ducting. I[...]

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 FIGURE 1 FOR DUCT DIMENSIONS[...]

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. Depending on the installed K[...]

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 . 2 e g u a g 0 2 e g u a g 8 1 e g u a g 6 1 e g u a g 4 1 e g u a g 2 1 5 4 0 6 0 0 1 0 6 1 0 5 2[...]

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 in areas not approaching the lower outdoor temperature range, outdoor thermostats are not factory installed as standard equipment, but are offered as [...]

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. This won't allow the electric heat to come on as second stage heating unless the outdoor temperature is below the set[...]

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 b a m m a r g o r P - n o N c i n o r t c e l E r e v o e g n a h c l a u n a M r o o t u A 0 6 0 - 3 0 4 8 ) 5 4 4 - 0 2 1 1 ( t a e h e g a t s 3 , [...]

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. All single and three phase models have an insertion well-type heater located in the lower section of the compressor housin[...]

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. DEFROST CYCLE The defrost cycle is[...]

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). 3. Turn thermostat blower switch to ?[...]

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. 3. Check resistance reading to chart of resistance use sensor ambient temperature. (Tolerance of[...]

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. TABLE 10 INDOOR BLOWER PERFORMANCE CFM AT 230 VOLTS . P . S . E H n I 2 O 1 6 3 H W [...]

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. If there is any doubt as to correct charge being in the system, the charge should be removed, system evac[...]

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 3 H W H Es e g a k c a P r e t a e H 1 X 5 0 A - 6 3 H W H Es e g a k c a P r e t a e H 1 X 0 1 A - 6 3 H W H Es e g a k c a P r e t a e H 1 X 5 1 A [...]