Bard WA491 User Manual

INSTALLATION INSTRUCTIONSWALL MOUNTEDPACKAGE AIR CONDITIONERSMODELSWA381WA423WA484WA491WA602Manual : 2100-398ASupersedes: 2100-398File: Volume III T

Manual 2100-398Page 8FIGURE 3MOUNTING INSTRUCTIONSMIS-416

Manual 2100-398Page 9FIGURE 4ELECTRIC HEAT CLEARANCESIDE SECTION VIEW OF SUPPLY AIR DUCT FORWALL MOUNTED UNIT SHOWING 1/4 INCHCLEARANCE TO COMBU

Manual 2100-398Page 10FIGURE 5WALL MOUNTING INSTRUCTIONSFIGURE 6WALL MOUNTING INSTRUCTIONSMIS-548MIS-549SEE FIGURE 3 – MOUNTING INSTRUCTIONSSUPP

Manual 2100-398Page 11FIGURE 7COMMON WALL MOUNTING INSTALLATIONSFREE AIR FLOW NO DUCTDUCTED SUPPLY RETURN AT UNITFALSE WALL INSTALLATIONCLOSET

Manual 2100-398Page 12WIRING – MAIN POWERRefer to the unit rating plate for wire sizing informationand maximum fuse or “HACR” type circuit breake

Manual 2100-398Page 13FIGURE 8UNIT 24V TERMINAL BOARDMIS-1373D

Manual 2100-398Page 14START UPIMPORTANT INSTALLER NOTEFor improved start up performance wash the indoor coilwith a dish washing detergent.HIGH PRES

Manual 2100-398Page 15SEQUENCE OF OPERATIONCOOLING – Circuit R-Y makes at thermostat pullingin compressor contactor, starting the compressor an

Manual 2100-398Page 16REMOVAL OF FAN SHROUD1. Disconnect all power to the unit.2. Remove the screws holding both grilles, one on eachside of unit,

Manual 2100-398Page 17TABLE 9MAXIMUM ESP OF OPERATIONELECTRIC HEAT ONLYValues shown are for units equipped with standard1 inch throwaway filter

ContentsFiguresFigure 1 Unit Dimensions ... 3Figure 2 Fresh Air Damper Assembly ... 6Figure 3 Mount

Manual 2100-398Page 18Low side pressure ± 2 PSIGHigh side pressure ± 5 PSIGTables are based upon rated CFM (airflow) across the evaporator coil.

Manual 2100-398Page 19TABLE 11OPTIONAL ACCESSORIESWA381-AWA381-BWA381-CWA423-AWA423-BWA423-CWA484-AWA484-BWA484-CWA491-AWA491-BWA491-CWA602-AWA6

Manual 2100-398Page 1GETTING OTHER INFORMATION AND PUBLICATIONSThese publications can help you install the airconditioner or heat pump. You can u

Manual 2100-398Page 2WALL MOUNT GENERAL INFORMATIONHEAT PUMP WALL MOUNT MODEL NOMENCLATUREWA 42 3 – A 10 X N X X X

Manual 2100-398Page 3MIS-1262FIGURE 1UNIT DIMENSIONSledoMhtdiW)W(htpeD)D(thgieH)H(ylppuSnruteREFGIJKLMNOPQRSTABCB83AW24AW84AW94AW06AW570.24234.2

Manual 2100-398Page 4j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.k Based on 75°

Manual 2100-398Page 5j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.k Based on 75

Manual 2100-398Page 6FILTERSA one inch throwaway filter is supplied with each unit.The filter slides into position making it easy to service.This f

Manual 2100-398Page 7INSTALLATION INSTRUCTIONS WARNINGFailure to provide the 1/4 inch clearancebetween the supply duct and a combustiblesu