Marvair AVPA60 Manuel

Chapter 1 Description ... 5Chapter 2 Installation ... 16Chapter 3 Start-Up ...

10ComPac 10/2012 rev. 7IMPORTANT: The electrical wire and breaker or fuses must be sized for simultaneous operation of the electric heater and the a

11ComPac 10/2012 rev. 7Figure 1a. Typical Electrical Schematic - ComPac® I A/C, Model AVPA

12ComPac 10/2012 rev. 7Figure 1b. Typical Electrical Schematic - ComPac® II A/C, Model AVPA

13ComPac 10/2012 rev. 7Figure 1c. Typical Electrical Schematic - ComPac® I A/C, Model HVEA

14ComPac 10/2012 rev. 7Figure 1d. Typical Electrical Schematic - ComPac® II A/C, Model HVEA

15ComPac 10/2012 rev. 71.9 Economizer Components (ComPac® II A/C Only)Damper Actuator:The damper actuator is a 24V motor that modulates the positio

16ComPac 10/2012 rev. 7Chapter 2 Installation WARNINGFailure to observe and follow Warnings and Cautions and these Instructions could result in dea

17ComPac 10/2012 rev. 7standards. Marvair® strongly recommends referring to the current edition of the National Fire Pro-tection Association Standar

18ComPac 10/2012 rev. 7P/N DescriptionS/04581 CommStat 3 Controller, Solid State Lead/Lag ControllerS/07846 Com

19ComPac 10/2012 rev. 7 WARNINGFIRE HAZARDImproper adjustment, alteration, service, maintenance or installation could cause serious injury, death an

2ComPac 10/2012 rev. 7How To Use This Manual This manual is intended to be a guide to Marvair's ComPac® line of vertical air conditioners. It c

20ComPac 10/2012 rev. 7BASIC MODEL MAXIMUM TOTAL STATIC MINIMUM FILTER AREAAVPA24 .30 2.75AVPA30/36 .40 3.33AVPA42/48/60 .50 5.50AVPA72 .50 6.00

21ComPac 10/2012 rev. 72.7 Mounting The Unit1. For wiring into the back of unit, locate the lower of the two knockouts on the wall side of the uni

22ComPac 10/2012 rev. 72.8 Electrical Connections WARNING ELECTRICAL SHOCK HAZARDFailure to follow safety warnings exactly could result in serious

23ComPac 10/2012 rev. 72. Connect the wires to the input side of the internal breaker or terminal block (L1 & L2 for single-phase units; L1, L2

24ComPac 10/2012 rev. 7Continuous fan operation: For continuous indoor fan operation on single units, install a jumper between terminals 8 and 3.

25ComPac 10/2012 rev. 7CommStat 4 Lead /Lag ControllerPlease refer to the Product Data sheet for the Commstat 4 controller for complete instructions

26ComPac 10/2012 rev. 7Figure 5c. LL357D4 Wiring Diagram & Thermostat Keys

27ComPac 10/2012 rev. 7LORGWCYRCommStat 3Low Building Temp AlarmSmoke Alarm+24v.+48v24/48 comDC BACKUPPOWER CONNECTIONSAir Conditioner #1 Terminal B

28ComPac 10/2012 rev. 7Chapter 3 Start-Up3.1 Check-Out of Cooling CycleImportant: Be sure that the crankcase heater (if used) has been energized

29ComPac 10/2012 rev. 7Chapter 4 Troubleshooting4.1 OverviewA comprehensive understanding of the operation of the ComPac® A/C is a prerequisite to

3ComPac 10/2012 rev. 7 WARNING• If the information in these instructions are not followed exactly, a re may result causing property damage, persona

30ComPac 10/2012 rev. 7PROBLEM/SYMPTOM LIKELY CAUSE(S) CORRECTIONC. Unit cycles on high/low pressure limit.1. Loss or restriction of airflo

31ComPac 10/2012 rev. 73. Motor Winding Resistances: Using a digital volt-ohm meter (VOM), measure the resistance across the compressor windi

32ComPac 10/2012 rev. 7Chapter 5 Maintenance5.1 Scheduled MaintenanceMarvair® strongly recommends that the air conditioner be serviced a minimum o

33ComPac 10/2012 rev. 7Chapter 6 Warranty6.1 Limited Product WarrantyIf any part of your Marvair® Air Conditioner, Heat Pump or Unit Ventilator fa

34ComPac 10/2012 rev. 7EXPLODED VIEWS AND PARTS LISTS Current parts lists and exploded views of the unit can be found on our web site at www.marva

35ComPac 10/2012 rev. 7galvanized steel with a minimum thickness of .019 inches for the rst 3 feet (1 meter). Ductwork must be rmly attached, secu

36ComPac 10/2012 rev. 7

4ComPac 10/2012 rev. 7Table of ContentsChapter 5 Maintenance5.1 Scheduled Maintenance ...

5ComPac 10/2012 rev. 7Chapter 1 Description & Specications1.1 General DescriptionMarvair's ComPac® lines are a series of vertical wall-mo

6ComPac 10/2012 rev. 71.4 Air Flow, Weights and Filter SizesComplete electrical and performance specications and dimensional drawings are

7ComPac 10/2012 rev. 71.5 General OperationRefrigerant Cycle (Cooling Mode)The ComPac® I & ComPac® II A/C use R-410A refrigerant in a convention

8ComPac 10/2012 rev. 7Delay on BreakIf the compressor is de-energized due to a loss of a cooling “Y” call or the rst fault, the unit re-start will b

9ComPac 10/2012 rev. 7LEDsPOST PURGE WHEELDELAY ON MAKE(COMPRESSOR TIME DELAY)WHEEL1.7 Optional Controls & PackagesHard Start KitUsed on single p