Magic-Pak MHP4 Series

To Next Page

507861-01 Issue 1927 Page 1 of 17

Save these instructions for future reference

INSTALLATION AND MAINTENANCE INSTRUCTIONS

MHP4 Series

Self-Contained Heat Pump

Manufactured By

Allied Air Enterprises LLC

A Lennox International Inc. Company

215 Metropolitan Drive

West Columbia, SC 29170

This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in

manuals, be alert to the potential for personal injury or death.

Improper installation, adjustment, alteration, service, or

maintenance can cause injury or property damage. Refer

to this manual. For assistance or additional information,

consult a qualied installer or service agency.

WARNING

Table of Contents

Installation ...................................................................1

Operation .....................................................................9

Maintenance .............................................................. 11

Accessories ...............................................................12

Wiring Diagrams ........................................................14

The installation of this appliance must conform to the requirements of the National Fire Protection Association; the National

Electrical Code, ANSI/NFPA No. 70 (latest edition) in the United States; the Canadian Electrical Code Part 1, CSA 22.1

(latest edition) in Canada; and any state or provincial laws or local ordinances. Local authorities having jurisdiction should

be consulted before installation is made. Such applicable regulations or requirements take precedence over the general

instructions in this manual.

CAUTION

(P) 507861-01

*P507861-01*

Installation

These units are not approved for mobile home

applications. Such use could result in property damage,

personal injury, or death.

WARNING

General

These instructions explain the recommended method of

installation of the MHP4 electric cooling unit and associated

electrical wiring.

This unit is designed and approved for use as a self-

contained air-to-air air conditioning system with optional

CLIMATE GUARD™ coated coils.

These instructions, and any instructions packaged with

mating components and/or accessories, should be carefully

read prior to beginning installation. Note particularly any

CAUTIONS or WARNINGS in these instructions and all

labels on the units.

These instructions are intended as a general guide only,

for use by qualied personnel and do not supersede any

national or local codes in any way. Compliance with all local,

state, provincial, or national codes pertaining to this type of

equipment should be determined prior to installation.

Main Page

Need help?

Do you have a question about the Magic-Pak MHP4 Series and is the answer not in the manual?

Summary

Installation and System Setup

General Installation Guidance

Explains recommended installation methods for the MHP4 unit and electrical wiring.

Unit Location and Clearances

Details unit placement, wall sleeve requirements, and minimum installation clearances.

Inspection and Limitations

Procedures for inspecting equipment upon receipt and adhering to installation limitations.

Wall Sleeve and Louver Installation

Guidance on assembling and installing the wall sleeve and louver grille kit.

Unit Securing and Ductwork

Steps for securing the unit and guidelines for ductwork connections.

Blower Performance Data

Provides airflow performance data for various models and static pressures.

Air Filter and Auxiliary Systems

Air filter maintenance, condensate drain setup, and ventilation air configuration.

Operation and Controls

Thermostat and Electrical Requirements

Thermostat placement and standards for electrical connections.

Unit Operation Sequence

Step-by-step explanation of the unit's operation in cooling and heating modes.

Defrost Cycle and Diagnostics

Operation of the defrost cycle and interpretation of diagnostic LEDs.

Maintenance

Component Cleaning and Care

Instructions for cleaning filters, outdoor coils, and base drains.

Accessories

Louver Kits

Lists available polypropylene, aluminum, and impact-rated louver kits.

Wall Sleeve Options

Provides a table of wall sleeves, their nomenclature, and dimensions.

Wiring Diagrams

Single Circuit Wiring (No Hard Start)

Illustrates wiring for MHP units with a single circuit and no hard start.

Dual Circuit Wiring (No Hard Start)

Shows wiring for units with dual circuits and without hard start functionality.

Single Circuit Wiring (Hard Start Enabled)

Details wiring for units with a single circuit and hard start enabled.

Dual Circuit Wiring (Hard Start Enabled)

Illustrates wiring for units with dual circuits and hard start enabled.