Marvair AVPA24 User Manual

Classic Heat Pump
Installation & Operation Manual
Vertical Wall-Mount Heat Pumps
MODELS AVPA 24-30-36-42-48-60, HVPA 24-30-36-42-49-60 & HVPSA36-42-49-60
(Includes units with the GreenWheel
®
ERV and Hot Gas Reheat)
Model AVPA36
P/N 81025 4/2012 rev. 4
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
The most current version of this manual can be found at www.marvair.com.

Marvair AVPA24 Specifications

General

Brand	Marvair
Model	AVPA24
Category	Heat Pump
Language	English

Summary

Chapter 1 - Classic Description & Specifications

1.1 General Description

Covers model identification, unit features, design, capabilities, and certifications.

1.3 General Operation

1.4 Controls - Standard - PC Board

Details the functionality and features of the unit's PC control board.

Chapter 2 - Installation

2.1 Equipment Inspection

2.2 Installation Requirements

Covers site considerations like noise, drainage, placement, and required clearances.

2.4 Porting and Duct Work

2.7 Mounting the Unit

2.8 Electrical Connections

Covers high voltage and low voltage wiring procedures and safety precautions.

Chapter 3 - Start-Up

3.1 Check-out of Cooling Cycle

Procedure for verifying proper operation of the cooling mode.

3.2 Check-Out of Heating Cycle

3.3 Discharge Air Temperature Adjustment of Modulating Hot Gas Reheat (HGR) Valve

Chapter 4 - Troubleshooting

4.1 Overview

4.2 Failure Symptoms Guide

Table listing common problems, likely causes, and recommended corrections.

4.3 Compressor Troubleshooting

Steps and electrical tests for diagnosing compressor-related issues.

4.4 Electric Heat Controls

Chapter 5 - Electrical Schematics

5.1 Electrical Schematics

Presents various wiring diagrams for different unit configurations.