MARVAIR SCHOLAR III HEAT PUMPS & AIR CONDITIONERS MODELS VAIA & VAISA EXPLODED VIEW PARTS ID

Transcription

1 CABINET SHEET METAL (OUTER PANELS) 1

2 CABINET SHEET METAL (OUTER PANELS) 1 2 Left Side Door, Includes Exterior Panel and Perforated Interior Panel Right Side Door, Includes Exterior Panel and Perforated Interior Panel VAIA24 VAIA30 VAIA/VAISA36 VAIA/VAISA40 VAIA/VAISA48 VAIA/VAISA60 M/06434 M/ Left Side Exterior Panel M/ Left Side Perforated Panel M/ Condenser Section Vertical Divider Evaportator Section Front Cover Condenser Section Access Panel M/05979 M/05995 M/ Fresh Air Front Cover M/ Control Box Cover 208/230v. 1ø 1 Brker M/ /230v. 1ø 2 Brker M/ /230v. 3ø 2 Brker M/ v. 3ø 1 Brker M/ /230v. 3ø 1 Brker M/ Top Panel M/ Rear Upper Panel M/ Rear Lower Panel M/ Base M/ Right Side Perforated Panel M/ Right Side Exterior Panel M/ Door Fasteners Outdoor Air Box Fan/Blower Cover Panel M/ Outdoor Air Box Top Panel M/ Outdoor Air Box LH Side Panel Outdoor Air Box RH Side Panel M/05989 M/ Fan/Blower Divider Wrap M/ Outdoor Air Box Bottom Panel M/06019 Note: Except where indicated, 1-stage and 2-stage compressor units have the same parts. 2

3 COMPRESSOR COMPARTMENT VAIA24 VAIA30 VAIA36 VAIA40 VAIA48 VAIA60 208/230V 1Ø; 1-Stage /230V 1Ø; 2-Stage N/A N/A /230V 3Ø; 1-Stage Compressor 208/230V 3Ø; 2-Stage N/A N/A V 3Ø; 1-Stage V 3Ø; 2-Stage N/A N/A Reversing Valve 20135B 20220A 3 Solenoid Coil, Reversing Valve 50225B 50225A 4 Ventilation Filter Freeze Stat (Outdoor Air Sensor) Hot Gas Reheat Valve Solenoid Coil, Hot Gas Reheat Valve Installed on heat pump units only. 3

4 ELECTRICAL BOX The electrical box in your unit may be configured differently than the one shown due to various options and power supplies VAIA24 VAIA30 VAIA/VAISA36 VAIA/VAISA40 VAIA/VAISA48 VAIA/VAISA60 Ventilation Air Mover Speed Controller 230V Ventilation Air Mover Speed Controller 460V Ventilation Exhaust Air Mover Speed Control 230V Ventilation Exhaust Air Mover Speed Control 460V PLC Controller Vent Motor Socket/Relay 50519/ Switch Socket/Relay (2-Stage Compressors Only) 50501/ VAC Transformer parts list continues on next page

5 ELECTRICAL PANEL parts list continued from previous page VAIA24 VAIA30 VAIA/VAISA36 VAIA/VAISA40 VAIA/VAISA48 VAIA/VAISA60 7 Terminal Block Disconnect Switch 208/230V 1ø Disconnect Switch 208/230V 3ø Disconnect Switch 460V 3ø Heat Contactor 2 Pole, 30A 1ø Units w/5kw of Heat Heat Contactor 3 Pole, 40A 1ø Units w/7.5-10kw Heat Heat Contactor 3 Pole, 30A 3ø Units with Heat Compressor Contactor 30A for 1ø Units Compressor Contactor 40A for 1ø Units Compressor Contactor 30A for 3ø Units Comfort Alert 1ø Units (2-stage Units Only) Comfort Alert 3ø Units (2-stage Units Only) Outdoor Fan Motor Capacitor Ventilation Supply Motor Capacitor Head Pressure Controller for Outdoor Air Motors N/A N/A N/A Indoor Blower Relay (IBR) P/ Outdoor Fan Motor Relay Indoor Blower Motor Controller Compressor Capacitor for 1-Stage, 1ø Units Compressor Capacitor for 2-Stage, 1ø Units N/A P/ (2) N/A (2) Transformer 460V to 230V P/50007 P/ For ventilation configurations H (GreenWheel ERV) and Q (GreenCube ERV). Not Shown 5

6 ELECTRIC HEATER ASSEMBLY, HEATER CONTACTOR & THERMAL LIMITS CHART Heater Assembly Dual Limit Control Auto Reset Limit Switch Heater Contactor 208/230 Volt, 1ø Heaters KW Volts Phase Item # Part # Item # QTY Part # Item # QTY Part # Part # 5 208/ / / /230 Volt, 3ø Heaters 5 208/ / / / Volt, 3ø Heaters Heater assembly, item 1, includes all parts shown. Heater assembly does not include contactor. Note: Heater assembly in your unit may be configured differently than the one shown due to various wattages and power supplies. 6

7 INDOOR BLOWER MOTOR AND COILS 1 Indoor Blower, Wheel & Housing VAIA24 VAIA30 VAIA/VAISA36 VAIA/VAISA40 VAIA/VAISA48 VAIA/VAISA Indoor Motor Indoor Blower Mount Indoor Coil (2 per Unit) Return Air Filter (2 per Unit) Thermal Expansion Valve (2 per Unit) Note: Except where indicated, 1-stage and 2-stage compressor units have the same parts. 7

8 OUTDOOR BLOWER MOTOR AND COILS (2, 2-1/2, 3, & 3-1/2 TON UNITS) VAIA24 VAIA30 VAIA/VAISA36 VAIA/VAISA40 1 Outdoor Coil (2 per Unit) Outdoor Orifices (2 per Unit) Defrost Sensor Filter/Drier High Pressure Switch Loss of Charge Switch (HP) / Low Pressure Switch (AC) Compensator Tank Outdoor Air Mover (HP) / Outdoor Axial Fan & Motor (AC) Flex Duct for Ventilation Air Installed on heat pump units only. 8

9 OUTDOOR BLOWER MOTOR AND COILS (4 & 5 TON UNITS) VAIA/VAISA48 VAIA/VAISA60 1 Outdoor Coil (2 per Unit) Outdoor Orifices (2 per Unit) Defrost Sensor Filter/Drier High Pressure Switch Loss of Charge Switch (HP) / Low Pressure Switch (AC) Compensator Tank Outdoor Blower Wheel and Housing (2 per Unit) Outdoor Motor (2 per Unit) Flex Duct for Ventilation Air Installed on heat pump units only. 9

10 GREENWHEEL ERV ASSEMBLY, VENTILATION SUPPLY BLOWER & FILTER All Models 1 GreenWheel Drive Motor, GreenWheel Drive Belt, GreenWheel P/ Ventilation Supply Motor and Blower Filter Hot Gas Reheat Valve Solenoid Coil for Hot Gas Reheat Valve Pulley, Drive Belt Not Shown 10

11 GREENWHEEL ERV ASSEMBLY All Models 1 GreenWheel Pin, Drive Brush, 3 (2) Brush, 10 (4) Motor, GreenWheel Drive Pulley, Drive Belt Perimeter Brush (2) Drive Belt P/