Bard WL423 - Manuals - manualsarea.com

Page 2 - 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 Instructions .........

Page 3 - Getting Other Information and Publications; ACCA

Manual 2100-400Page 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; WL 42 3 – A 10 X N X X X A; TABLE 1

Manual 2100-400Page 2 WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE WL 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 - 3 2 4 L W A - ...

Page 5 - FIGURE 1

Manual 2100-400 Page 3 FIGURE 1 UNIT DIMENSIONS MIS-1286 l e d o M h t d i W ) W ( h t p e D ) D ( - g i e H t 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 2 4 L W 8 4 L W 0 6 L 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 4 0 1 . 9 1 6...

Page 7 - NOTE: If no return air duct is used, applicable

Manual 2100-400Page 5 SHIPPING DAMAGE Upon receipt of equipment, the carton should bechecked for external signs of shipping damage. Ifdamage is found, the receiving party must contact thelast carrier immediately, preferably in writing,requesting inspection by the carrier’s agent. GENERAL The equipme...

Page 8 - FIGURE 2

Manual 2100-400Page 6 FRESH AIR INTAKE All units are built with fresh air inlet slots punched inthe service panel. If the unit is equipped with a fresh air damper assembly,the assembly is shipped already attached to the unit.The damper blade is locked in the closed position. Toallow the damper to op...

Page 9 - INSTALLATION INSTRUCTIONS; WARNING; WALL MOUNTING INFORMATION

Manual 2100-400Page 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 2100-400 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS MIS-947

Page 11 - minimum; of 1/4 inch clearance must be maintained between; FIGURE 4

Manual 2100-400Page 9 WARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required forthe first 3 feet of ducting. It is important to insure that the 1/4 inch minimum spacing ismaintained at all points. Failure to do this could re...

Page 13 - FREE AIR FLOW NO DUCT

Manual 2100-400Page 11 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS FREE AIR FLOW NO DUCT DUCTED SUPPLY RETURN AT UNIT FALSE WALL INSTALLATION CLOSET INSTALLATION MIS-1050

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

Manual 2100-400Page 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 - NOTE: If compressor is allowed to run in reverse; COOLING; START UP

Manual 2100-400Page 14 THREE PHASE SCROLL COMPRESSORSTART UP INFORMATION Scroll compressors, like several other types ofcompressors, will only compress in one rotationaldirection. Direction of rotation is not an issue withsingle phase compressors since they will always startand run in the proper dir...

Page 17 - 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 2100-400Page 15 COMPRESSOR CONTROL MODULE The compressor control module is standard on theWL484 and WL602 models covered by this manual andis optional on the WL423 model. The compressorcontrol is an anti-short cycle/lockout timer with highand low pressure switch monitoring and alarm relayoutp...

Page 18 - REMOVAL OF FAN SHROUD; Remove the screws holding both grilles, one on each; TROUBLESHOOTING; Remove screws holding fan shroud to condenser; REFRIGERANT CHARGE

Manual 2100-400Page 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. TROUBLESHOOTING The suction line temperatures in table above are basedupon 80° F dry bulb / 67° F wet bulb (50% R.H.)temperature ...

Page 20 - OPTIONAL ACCESSORIES

Manual 2100-400Page 18 TABLE 11 OPTIONAL ACCESSORIES WL423-A WL423-B WL423-C WL484-A WL484-B WL484-C WL602-A WL602-B WL602-C t r a P r e b m u N n o i t p i r c s e D 5 - P O B 5 - D A F B 5 - D A F M e t a l P ff O k n a l B r e p m a D r i A h s e r F c ir t e m o r a B r e p m a D r i A h s e r F...