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Airxcel Marvair ComPac II Series - User Manual

Airxcel Marvair ComPac II Series
44 pages
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Description ......................................... 5
Installation........................................22
Start-Up.............................................39
Troubleshooting..............................41
Parts List ..........................................44
Maintenance ....................................47
Warranty ...........................................48
ComPac
®
I and ComPac
®
II
Air Conditioner Product Manual
Vertical Wall-Mount Air Conditioners
with Front Control Box Panel
Models AVP20-24-30-36-42-48-60-72
P/81024 9/04-12
supersedes 11/03-11
Manufactured By:
Marvair
®
Division of AIRXCEL
®
, Inc.
P.O. Box 400 • Cordele, Georgia 31010
156 Seedling Drive • Cordele, Georgia 31015
(229) 273-3636 • Fax (229) 273-5154
E-mail: marvairtech@airxcel.com • Internet: www.marvair.com

Table of Contents

Questions and Answers

  • M
    Michelle GallegosAug 3, 2025
    Why does my Airxcel Air Conditioner run continuously but the cooling is insufficient?
    • S
      Steven PerezAug 3, 2025
      If your Airxcel Air Conditioner runs for long periods or continuously without sufficient cooling, consider the following causes: * Dirty filter or reduced airflow: Inspect the air filters and blower operation. Remove any airflow restrictions. * Low refrigerant: Check for proper refrigerant charge and potential leaks. * Component failure: Check internal components, especially the compressor, for proper operation. * Undersized unit: If the unit is too small for the space, adding additional units may provide greater capacity.
  • V
    Veronica ParkerAug 13, 2025
    Why is there water on the floor near my Airxcel Air Conditioner?
    • F
      fdudleyAug 13, 2025
      If you find water on the floor near your Airxcel Air Conditioner, it could be due to: * Obstruction in the condensate line: Check for any clogs or restrictions. * Obstruction or leak in the condensate pan: Inspect the pan for leaks or blockages. * The unit not being level: Ensure the unit is properly leveled.
  • S
    shawnarodgersAug 25, 2025
    What to do if my Airxcel Air Conditioner has no or reduced space heating?
    • C
      Christine ThompsonAug 25, 2025
      If your Airxcel Air Conditioner (equipped with resistance elements) provides no or reduced heating, consider these potential issues: * Defective heating element(s): Check the resistance element(s) for continuity. * Thermal limit open: Check continuity across the thermal limit switch. * Defective heater relay: Check the relay for proper operation and replace it if defective. * Open thermal cut-out (TCO): Check across the TCO (adjacent to the element(s)) for continuity. It should normally be closed.

Summary

Description and Specifications

General Description

Ratings and Specifications

Technical data including CFM, weight, voltage, and filter sizes for ComPac® units.

General Operation

Details on refrigerant cycle, heating mode, and economizer operation for ComPac® A/C.

Control Board Operation

Explains the functions of the electronic control board, including modes and LED indicators.

Economizer Components

Installation

Installation Requirements

Site selection, noise, drainage, clearances, and code compliance for unit installation.

Porting and Duct Work

Electrical Connections

Guidance on high voltage wiring, power supply connection, and grounding.

Control System Wiring

Wiring details for thermostats, lead/lag controllers, and remote signaling.

Start-Up Procedures

Cooling Cycle Check-Out

Procedure to verify proper operation of the cooling cycle, including fan and compressor.

Heating Cycle Check-Out

Procedure to verify proper operation of the heating cycle with resistance elements.

A;C Testing with Lead;Lag Control

Troubleshooting

Failure Symptoms Guide

Charts linking common problems to likely causes and corrective actions.

Compressor Troubleshooting

Control Board Diagnosis

Maintenance

Scheduled Maintenance

Airxcel Marvair ComPac II Series Specifications

General IconGeneral
BrandAirxcel
ModelMarvair ComPac II Series
CategoryAir Conditioner
LanguageEnglish

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