Bard MIS-656 - Manuals - manualsarea.com

Page 2 - Contents

Contents i Start Up Important Installer Note ......................................... 13High Pressure Switch ............................................ 12Three Phase Scroll Compressor Start UpInformation ............................................................. 13Phase Monitor ..................

Page 3 - Getting Other Information and Publications; ACCA

Manual 2100-404Page 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; AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE; WA; TABLE 1 – ELECTRICAL SPECIFICATIONS

Manual 2100-404Page 2 WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE KW WA 37 2 – A 10 X X X X X A VOLTS & PHASEA - 230/208/60/1B - 230/208/60/3C - 460/60/3 MODEL NUMBER REVISIONS CAPACITY25 - 2 Ton37 - 3 Ton VENTILATION OPTIONSX - Barometric Fresh Air Damper (Stand...

Page 6 - TABLE 3

Manual 2100-404Page 4 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 7 - CAUTION; FIGURE 2

Manual 2100-404Page 5 FILTERS A 1 inch throw away filter is suppled 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 1 inch washable filter and a 2 inchpleated filter are also available as optional ac...

Page 8 - INSTALLATION INSTRUCTIONS; WALL MOUNTING INFORMATION; MOUNTING THE UNIT; WARNING

Manual 2100-404Page 6 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 theunit without tran...

Page 9 - WIRING — LOW VOLTAGE WIRING

Manual 2100-404Page 7 NOTE: The voltage should be measured a the field power connection point in the unit andwhile 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 THERMOSTAT ...

Page 15 - NOTE: If compressor is allowed to run in reverse; START UP; PHASE MONITOR; Caution homeowner to maintain clean air filters at all; SEQUENCE OF OPERATION

Manual 2100-404Page 13 IMPORTANT INSTALLER NOTE For improved start-up performance, wash the indoorcoil with 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 thermostat off t...

Page 16 - Alarm Relay Output; 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; Adjustable Delay On Make And Break Timer

Manual 2100-404Page 14 Alarm Relay Output Alarm terminal is output connection for applicationswhere alarm relay is employed. This terminal ispowered whenever compressor is locked out due toHPC or LPC sequences as described. NOTE: Both high and low pressure switch controls are inherently automatic re...

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

Manual 2100-404Page 15 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 holding both...

Page 18 - COOLING PRESSURE

Manual 2100-404Page 16 j 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 sectiontitled "Refrigerant Charge" elsewhere in manual. If there is any doubt as to correct charge being in thesystem...

Page 19 - OPTIONAL ACCESSORIES

Manual 2100-404Page 17 j These heater packages 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 P ff O k n a...