Marvair AVPA42 Handbuch

Chapter 1 Description ... 5Chapter 2 Installation ... 17Chapter 3 Start-Up ...

10ComPac 9/2013 rev. 10IMPORTANT: The electrical wire and breaker or fuses must be sized for simultaneous operation of the electric heater and the a

11ComPac 9/2013 rev. 10Cold Climate Kit (AVPA 24-72 units)Controls and components which allow the units to operate in extremely cold temperatures. T

12ComPac 9/2013 rev. 10Figure 1a. Typical Electrical Schematic - ComPac® I A/C, Model AVPA

13ComPac 9/2013 rev. 10GENERAL NOTES:1. 208/230 VOLT 60 Hz 1Ø POWER SUPPLY. SEE DATA PLATE FOR AMPACITY & FUSE SIZE. OPTIONAL CKT BKR SHOWN.2.

14ComPac 9/2013 rev. 10Figure 1c. Typical Electrical Schematic - ComPac® I A/C, Model HVEA

15ComPac 9/2013 rev. 10GENERAL NOTES:1. 208/230 VOLT 60 Hz 1Ø POWER SUPPLY. SEE DATA PLATE FOR AMPACITY & FUSE SIZE. OPTIONAL CKT BKR SHOWN.2.

16ComPac 9/2013 rev. 101.9 Economizer Components (ComPac® II A/C Only)Damper Actuator:The damper actuator is a 24V motor that modulates the positio

17ComPac 9/2013 rev. 10Chapter 2 Installation WARNINGFailure to observe and follow Warnings and Cautions and these Instructions could result in dea

18ComPac 9/2013 rev. 10standards. Marvair® strongly recommends referring to the current edition of the National Fire Protection Associat

19ComPac 9/2013 rev. 10P/N DescriptionS/04581 CommStat 3 Controller, Solid State Lead/Lag ControllerS/07846 CommStat 4 Controlle

2ComPac 9/2013 rev. 10How To Use This Manual This manual is intended to be a guide to Marvair's ComPac® line of vertical air conditioners. It c

20ComPac 9/2013 rev. 10 WARNINGFIRE HAZARDImproper adjustment, alteration, service, maintenance or installation could cause serious injury, death an

21ComPac 9/2013 rev. 10BACK PANEL CONFIGURATION BACK PANEL CONFIGURATIONFOR 17" x 17" (432mm x 432) WALL SLEEVE FOR 26" x 17" (6

22ComPac 9/2013 rev. 10DuctingExtensions should be cut ush with the inside wall for applications without duct work.Applications using duct work sho

23ComPac 9/2013 rev. 100%5%1 0 %1 5 %0%5%10%15%0%5%1 0 %1 5 %Figure 4a. Fresh Air Hood Damper,Models 24-72Figure 4b. Fresh Air Hood Damperfor AVPA1

24ComPac 9/2013 rev. 10For units with electric heat, a one inch clearance is required around the duct extensions. The duct extensions must be constr

25ComPac 9/2013 rev. 102.8 Electrical Connections WARNING ELECTRICAL SHOCK HAZARDFailure to follow safety warnings exactly could result in serious

26ComPac 9/2013 rev. 102. Connect the wires to the input side of the internal breaker or terminal block (L1 & L2 for single-phase units; L1, L2

27ComPac 9/2013 rev. 10Continuous fan operation: For continuous indoor fan operation on single units, install a jumper between terminals 8 and 3.

28ComPac 9/2013 rev. 10CommStat 4 Lead /Lag ControllerPlease refer to the Product Data sheet for the Commstat 4 controller for complete instructions

29ComPac 9/2013 rev. 10Figure 6c. LL357D4 Wiring Diagram & Thermostat KeysLORGWCYRCommStat 3Low Building Temp AlarmSmoke Alarm+24v.+48v24/48 co

3ComPac 9/2013 rev. 10 WARNING• If the information in these instructions are not followed exactly, a re may result causing property damage, persona

30ComPac 9/2013 rev. 10Chapter 3 Start-Up3.1 Check-Out of Cooling CycleImportant: Be sure that the crankcase heater (if used) has been energized

31ComPac 9/2013 rev. 10Chapter 4 Troubleshooting4.1 OverviewA comprehensive understanding of the operation of the ComPac® A/C is a prerequisite to

32ComPac 9/2013 rev. 10PROBLEM/SYMPTOM LIKELY CAUSE(S) CORRECTIONC. Unit cycles on high/low pressure limit.1. Loss or restriction of airow

33ComPac 9/2013 rev. 103. Motor Winding Resistances: Using a digital volt-ohm meter (VOM), measure the resistance across the compressor windi

34ComPac 9/2013 rev. 10Chapter 5 Maintenance5.1 Scheduled MaintenanceMarvair® strongly recommends that the air conditioner be serviced a minimum o

35ComPac 9/2013 rev. 10Chapter 6 Warranty6.1 Limited Product WarrantyIf any part of your Marvair® Air Conditioner, Heat Pump or Unit Ventilator fa

36ComPac 9/2013 rev. 10EXPLODED VIEWS AND PARTS LISTS Current parts lists and exploded views of the unit can be found on our web site at www.marv

37ComPac 9/2013 rev. 10galvanized steel with a minimum thickness of .019 inches for the rst 3 feet (1 meter). Ductwork must be rmly attached, secu

38ComPac 9/2013 rev. 10

39ComPac 9/2013 rev. 10NOTES

4ComPac 9/2013 rev. 10Table of ContentsChapter 5 Maintenance5.1 Scheduled Maintenance ...

40ComPac 9/2013 rev. 10NOTES

5ComPac 9/2013 rev. 10Chapter 1 Description & Specications1.1 General DescriptionMarvair's ComPac® lines are a series of vertical wall-mo

6ComPac 9/2013 rev. 101.4 Air Flow, Weights and Filter SizesComplete electrical and performance specications and dimensional drawings are

7ComPac 9/2013 rev. 101.5 General OperationRefrigerant Cycle (Cooling Mode)The ComPac® I & ComPac® II A/C use R-410A refrigerant in a convention

8ComPac 9/2013 rev. 10Delay 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 9/2013 rev. 10LEDsPOST PURGE WHEELDELAY ON MAKE(COMPRESSOR TIME DELAY)WHEEL1.7 Optional Controls & PackagesHard Start KitUsed on single p