Bard WH242 - Manuals

Bard WH242 – Manual in PDF format online.

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Manual

Manual Bard WH242

Summary

Page 2 - Contents; Figures

Contents Getting Other Informations and Publications ........ 1 Wall Mount General Information ............................. 2 Heat Pump Wall Mount Model Nomenclature .......... 2Shipping Damage .................................................... 2General ..............................................

Page 3 - Getting Other Information and Publications; ACCA

Manual 2100-373Page 1 Getting Other Information and Publications These publications can help you install the airconditioner or heat pump. You can usually find these atyour local library or purchase them directly from thepublisher. Be sure to consult current edition of eachstandard. National Electric...

Page 4 - WALL MOUNT GENERAL INFORMATION; HEAT PUMP WALL MOUNT MODEL NOMENCLATURE; TABLE 1

Manual 2100-373Page 2 WALL MOUNT GENERAL INFORMATION 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. FILTER OPTIONSX - One Inch Throwaway (Standard)W - One Inch Washable...

Page 6 - DUCT WORK; TABLE 2

Manual 2100-373Page 4 Size of unit for a proposed installation should be basedon heat loss calculation made according to methods ofAir Conditioning Contractors of America (ACCA). Theair duct should be installed in accordance with theStandards of the National Fire Protection Associationfor the Instal...

Page 7 - FILTERS; CAUTION

Manual 2100-373Page 5 MIS-938 FIGURE 2 FRESH AIR DAMPER ASSEMBLY Any grille that meets the 5/8 inch louver criteria may beused. It is recommended that Bard Return Air GrilleKit RG2 thru RG5 or RFG2 thru RFG5 be installedwhen no return duct is used. Contact distributor orfactory for ordering informat...

Page 8 - INSTALLATION INSTRUCTIONS; WALL MOUNTING INFORMATION

Manual 2100-373Page 6 INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface atboth sides. A bottom mounting bracket is providedfor ease of installation, but is not required. 2. On wood frame walls, t...

Page 9 - FIGURE 3

Manual 2100-373 Page 7 FIGURE 3 MOUNTING INSTRUCTIONS MIS-353

Page 10 - FIGURE 4

Manual 2100-373Page 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 INSTRUCTIONS

Page 12 - WIRING – MAIN POWER; FIGURE 7

Manual 2100-373Page 10 WIRING – MAIN POWER Refer to the unit rating plate for wire sizing informationand maximum fuse or “HACR” type circuit breakersize. Each outdoor unit is marked with a “MinimumCircuit Ampacity”. This means that the field wiringused must be sized to carry that amount of current.D...

Page 13 - WIRING – LOW VOLTAGE WIRING; TAP

Manual 2100-373Page 11 COMPRESSOR CUTOFF THERMOSTATAND OUTDOOR THERMOSTATS Heat pump compressor operation at outdoortemperatures below 0° F are neither desirable notadvantageous in terms of efficiency. Since mostequipment at time of manufacture is not designated forany specific destination of the co...

Page 14 - TABLE 4

Manual 2100-373Page 12 HEAT ANTICIPATION Group A and Group B thermostats shown in Table 4have a fixed heat anticipator for stage 1 with noadjustment required. Stage 2 has an adjustableanticipator for the W2 connection and fixed for the W3connection. Both the W2 and W3 circuits arecontrolled by the s...

Page 15 - START UP; IMPORTANT INSTALLER NOTE; IMPORTANT; REMOVED FOR 12 HOURS OR LONGER.; FIGURE 9

Manual 2100-373Page 13 START UP IMPORTANT INSTALLER NOTE For improved start up performance, wash the indoorcoil with a dish detergent. CRANKCASE HEATERS WH241 units are provided with compressor crankcaseheat. These models have an insertion well-type heater locatedin the lower section of the compress...

Page 16 - DEFROST CONTROL BOARD

Manual 2100-373Page 14 PRESSURE SERVICE PORTS High and low pressure service ports are installed on allunits so that the system operating pressures can beobserved. Pressure curves can be found later in themanual covering all models on both cooling and heatingcycles. It is imperative to match the corr...

Page 17 - TROUBLESHOOTING; Turn on AC power supply to indoor and outdoor; TABLE 5; Turn thermostat blower switch to “auto” position.

Manual 2100-373Page 15 TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROLTROUBLESHOOTING 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.) TABLE 5 T...

Page 18 - TEMPERATURE F VS RESISTANCE R OF TEMPERATURE SENSOR

Manual 2100-373Page 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 0.01.02.03.04.05.06.07.08.09.0 10.011.012.013.014.015.016.017.018.019.020.021.022.023.024.0 1968711900991835851773181712891654871599041545291493551...

Page 19 - Remove the screws holding both grilles, one on each; REFRIGERANT CHARGE

Manual 2100-373Page 17 FAN BLADE SETTING DIMENSIONS Shown in the drawing below are the correct fan bladesetting dimensions for proper air delivery across theoutdoor coil. Any service work requiring removal or adjustment inthe fan and/or motor area will require that thedimensions below be check and b...

Page 20 - COOLING; TABLE 11 – PRESSURE TABLE; HEATING

Manual 2100-373Page 18 Low Side Pressure ± 2 PSIGHigh Side Pressure ± 5 PSIG Tables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled “RefrigerantCharge” elsewhere in manual. If there is any doubt as to correct operation charge being in the system...

Page 21 - OPTIONAL ACCESSORIES

Manual 2100-373Page 19 TABLE 13 OPTIONAL ACCESSORIES L E D O M N 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 e g a k c a P r e t a e H s e g a k c a P r e t a e H s e g a k c a P r e t a e H XX XX X X 2 - P O...