Bard WA302 - Manuals - manualsarea.com

Page 2 - Contents

Manual 2100-404D Page 2 of 19 Contents Start Up Important Installer Note ......................................... 15High Pressure Switch ............................................ 15Three Phase Scroll Compressor Start UpInformation ............................................................. 15P...

Page 3 - Getting Other Information and Publications

Manual 2100-404D Page 3 of 19 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 ...

Page 4 - WALL MOUNT GENERAL INFORMATION; AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE; WA 37 2 — A 10 X X X X X A; TABLE 1 – ELECTRICAL SPECIFICATIONS

Manual 2100-404DPage 4 of 19 WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE KW VOLTS & PHASE A - 230/208/60/1B - 230/208/60/3C - 460/60/3 MODEL NUMBER REVISIONS CAPACITY 25 - 2 Ton37 - 3 Ton VENTILATION OPTIONS X - Barometric Fresh Air Damper (Standard)B - Blank-off...

Page 6 - TABLE 3

Manual 2100-404DPage 6 of 19 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 ...

Page 7 - FRESH AIR INTAKE; CAUTION; FIGURE 2

Manual 2100-404D Page 7 of 19 FRESH AIR INTAKE All units are built with fresh air inlet slots punched inthe service panel. If the unit is equipped with the fresh air damperassembly, the assembly is shipped already attached tothe unit. The damper blade is locked in the closedposition. To allow the da...

Page 8 - INSTALLATION INSTRUCTIONS; WALL MOUNTING INFORMATION; WARNING; TOP OUTLET ONLY; must be

Manual 2100-404DPage 8 of 19 INSTALLATION 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 unitwitho...

Page 9 - WIRING — LOW VOLTAGE WIRING

Manual 2100-404D Page 9 of 19 NOTE: The voltage should be measured a the field power connection point in the unitand while the unit is operating at full load(maximum amperage operating condition.) TABLE 4 OPERATING VOLTAGE RANGE P A T E G N A R V 0 4 2 6 1 2 – 3 5 2 V 8 0 2 7 8 1 – 0 2 2 TABLE 5 THE...

Page 11 - FIGURE 4

Manual 2100-404D Page 11 of 19 FIGURE 4 WALL-MOUNTING INSTRUCTIONS FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS

Page 13 - FIGURE 7; minimum

Manual 2100-404D Page 13 of 19 FIGURE 7 ELECTRIC HEAT CLEARANCE WARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is requiredfor the first 3 feet of ducting. It is important to insure that the 1/4 inch minimum spacing ismaintained ...

Page 15 - IMPORTANT INSTALLER NOTE; Phase Monitor; START UP; PHASE MONITOR

Manual 2100-404D Page 15 of 19 IMPORTANT INSTALLER NOTE For improved start-up performance, wash the indoor coilwith a dishwasher detergent. HIGH PRESSURE SWITCH The WA372 models are supplied with a remote resethigh pressure switch. If tripped, this pressure switchmay be reset by turning the thermost...

Page 16 - ADJUSTMENTS; Typical Settings for Dual Unit Installation:; PRESSURE SERVICE PORTS; Adjustable Delay On Make And Break Timer

Manual 2100-404DPage 16 of 19 Alarm Relay Output Alarm terminal is output connection for applicationswhere alarm relay is employed. This terminal ispowered whenever compressor is locked out due to HPCor LPC sequences as described. NOTE: Both high and low pressure switch controls are inherently autom...

Page 17 - TROUBLESHOOTING; REMOVAL OF FAN SHROUD; Remove the screws holding both grills – one on each; REFRIGERANT CHARGE; AIRFLOW; FAN BLADE SETTING DIMENSIONS

Manual 2100-404D Page 17 of 19 TROUBLESHOOTING The suction line temperatures in Table 8 are based upon80ºF dry bulb/67ºF wet bulb (50 percent R.H.)temperature and rated airflow across the evaporatorduring cooling cycle. REMOVAL OF FAN SHROUD 1. Disconnect all power to unit. 2. Remove the screws hold...

Page 18 - COOLING PRESSURE

Manual 2100-404DPage 18 of 19 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" elsewhere in manual. If there is any doubt as to correct charge being in the ...

Page 19 - OPTIONAL ACCESSORIES

Manual 2100-404D Page 19 of 19 1 These heater packages are not suitable for installation in top outlet models. NOTE: Top outlet models are available only as factory built. WA302-A WA372-A WA302-B WA372-B WA302-C WA372-C TABLE 13 OPTIONAL ACCESSORIES L E D O M N O I T P I R C S E D 3 - P O B e t a l ...