Bard WA423 - Manuals - manualsarea.com

Page 2 - Contents

Contents Figures Figure 1 Unit Dimensions ...................................... 3 Figure 2 Fresh Air Damper Assembly ................... 6 Figure 3 Mounting Instructions .............................. 8 Figure 4 Electric Heat Clearance .......................... 9 Figure 5 Wall Mounting Instruction...

Page 3 - GETTING OTHER INFORMATION AND PUBLICATIONS; ACCA; Manufactured under the following

Manual 2100-398Page 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; WA 42 3 – A 10 X N X X X A; TABLE 1

Manual 2100-398Page 2 WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE WA 42 3 – A 10 X N X X X A NOTE: All vent options are without exhaust capability. May require separate field supplied barometric relief in building. TABLE 1 ELECTRIC HEAT TABLE s l e d o M A - 1 8 3 A W A - ...

Page 5 - FIGURE 1

Manual 2100-398 Page 3 MIS-1262 FIGURE 1 UNIT DIMENSIONS 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 S n r u t e R E F G I J K L M N O P Q R S T A B C B 8 3 A W 2 4 A W 8 4 A W 9 4 A W 0 6 A W 5 7 0 . 2 4 2 3 4 . 2 2 5 7 8 . 4 8 8 8 . 9 8 8 . 9 2 8 8 . 5 1 8 8 . 9 2 8 8 . 3...

Page 8 - NOTE: If no return air duct is used, applicable; FIGURE 2

Manual 2100-398Page 6 FILTERS A one inch throwaway filter is supplied with each unit.The filter slides into position making it easy to service.This filter can be serviced from the outside by removingthe service door. A one inch washable filter and twoinch pleated filter are also available as optiona...

Page 9 - INSTALLATION INSTRUCTIONS; WARNING; WALL MOUNTING INFORMATION

Manual 2100-398Page 7 INSTALLATION INSTRUCTIONS WARNING Failure to provide the 1/4 inch clearancebetween the supply duct and a combustiblesurface for the first 3 feet of duct can result infire causing damage, injury or death. WALL MOUNTING INFORMATION 1. Two holes for the supply and return air openi...

Page 10 - FIGURE 3

Manual 2100-398 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS MIS-416

Page 13 - FREE AIR FLOW NO DUCT

Manual 2100-398Page 11 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS FREE AIR FLOW NO DUCT DUCTED SUPPLY RETURN AT UNIT FALSE WALL INSTALLATION CLOSET INSTALLATION MIS-550

Page 14 - NOTE: The voltage should be measured at the field

Manual 2100-398Page 12 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 16 - START UP; IMPORTANT INSTALLER NOTE; NOTE: If compressor is allowed to run in reverse; PHASE MONITOR

Manual 2100-398Page 14 START UP IMPORTANT INSTALLER NOTE For improved start up performance wash the indoor coilwith a dish washing detergent. HIGH PRESSURE SWITCH The WA381, WA484, WA491 and WA602 models aresupplied with a remote reset high pressure switch. Iftripped, this pressure switch may be res...

Page 17 - SEQUENCE OF OPERATION; COOLING; COMPRESSOR CONTROL MODULE; Adjustable Delay On Make And Break Timer; NOTE: Both high and low pressure switch controls are; ADJUSTMENTS; Typical Settings for Dual Unit Installation:; Unit 1: DOB set at 2 minutes, and DOM is 132 seconds; PRESSURE SERVICE PORTS

Manual 2100-398Page 15 SEQUENCE OF OPERATION COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor, starting the compressor andoutdoor motor. The G (indoor motor) circuit isautomatically completed on any call for coolingoperation or can be energized by manual fan switch onsubbase...

Page 18 - REMOVAL OF FAN SHROUD; Remove the screws holding both grilles, one on each; TROUBLESHOOTING; assembly out the left side of the unit.; REFRIGERANT CHARGE

Manual 2100-398Page 16 REMOVAL OF FAN SHROUD 1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on each side of unit, and remove grilles. 3. Remove screws holding fan shroud to condenser and bottom. Nine (9) screws. FIGURE 9 FAN BLADE SETTING TROUBLESHOOTING 4. Unwir...

Page 21 - OPTIONAL ACCESSORIES

Manual 2100-398Page 19 TABLE 11 OPTIONAL ACCESSORIES WA381-A WA381-B WA381-C WA423-A WA423-B WA423-C WA484-A WA484-B WA484-C WA491-A WA491-B WA491-C WA602-A WA602-B WA602-C t r a P r e b m u N n o i t p i r c s e D 5 0 A - 5 0 A W H E 8 0 A - 5 0 A W H E 0 1 A - 5 0 A W H E 5 1 A - 5 0 A W H E s e g...