Installation Instructions

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GENERAL

M Series

Manufactured Housing Evaporator Coils

IM-MHC-0666880-06

August 2018

Installation Instructions

ADP evaporator coils are designed for use with condensing units or heat pump units. These

instructions are intended as a general guide and do not supersede local codes in any way.

Consult with local authorities having jurisdiction before installation. Installer must comply

with all local, state, and federal codes and regulations during installation. Read this

installation manual and all “Warning” statements prior to installing.

ADP manufactured housing evaporator coils are designed for pull-through configuration

with use with many manufactured housing electric furnaces (down-flow and upflow) and gas

furnaces (down-flow). ADP offers a selection of other products for other applications.

Check coil for shipping damage and verify the contents of the box containing the evaporator

coil. If you should find damage, immediately contact the last carrier. Verify the efficiency or

performance requirements, such as SEER, EER, and/or HSPF, are appropriate with the

matched condensing or heat pump units. See AHRI ratings

directory for more information. Check outdoor unit

manufacturer for proper line sizing. Coils are shipped with a

10 psi dry air holding charge. Puncture rubber plug on

suction line to release charge before removing plugs. The

absence of pressure does not verify a leak. Check the coil for

leaks before installing or returning it to your wholesaler.

Drain Pans

 Drain pans are made of a polymer that can withstand

temperatures up to 400 deg. F.

 Maintain a 3" clearance on drum type heat

exchangers and 1½" on sectionalized heat

exchangers.

 Coil should be level, or pitched slightly toward the drain

connection.

Airflow

 Airflow face velocity above 350 ft/min is not

recommended for downflow applications due to

potential water blow-off.

 Low airflow below 360 CFM per 12,000 BTUH can lead

to coil freeze-up problems.

 Improper airflow across the evaporator coil can cause

component or system problems.

2175 West Park Place Blvd., Stone Mountain, GA 30087

www.adpnow.com

Product improvement is a continuous process at Advanced Distributor Products. Therefore, product specifications are subject to change without notice and

without obligation on our part. Please contact your ADP representative or distributor to verify details.

SAFETY CONSIDERATIONS

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and

on your appliance. Always read and obey all safety messages.

This is the safety alert symbol.

This symbol alerts you to potential hazards that can kill or hurt

you and others.

All safety messages will follow the safety alert symbol and

signal word. These signals words mean the following:

DANGER: You can be killed or seriously injured if you don’t

immediately follow instructions.

WARNING: Indicate a potentially hazardous situation which, if not

avoided, could result in death or serious injury.

CAUTION: Indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury. Caution may also

be used to alert against unsafe practices.

NOTICE: Indicates a statement of company policy as the message

relates directly or indirectly to the safety of personnel or protection of

property.

IMPORTANT: More detailed information concerning the statement of

company policy as the message relates directly or indirectly to the

safety of personnel or protection of property.

All safety messages will tell you what the potential hazard is, tell you how

to reduce the chance of injury, and tell you what can happen if the

instructions are not followed.

Summary of content (6 pages)

PAGE 1
IM-MHC-0666880-06 August 2018 Installation Instructions M Series Manufactured Housing Evaporator Coils GENERAL ADP evaporator coils are designed for use with condensing units or heat pump units. These instructions are intended as a general guide and do not supersede local codes in any way. Consult with local authorities having jurisdiction before installation. Installer must comply with all local, state, and federal codes and regulations during installation.
PAGE 2
METERING DEVICE Coils are suited for R-22 and R-410A refrigerants and can be used with or without a TXV. Replacement TXV part numbers are listed below; see kit instructions for change out or installation. Remove sensing bulb from suction line during brazing to prevent damage from occurring. For optimum performance, attach and insulate the bulb at a 10 to 2 o’clock position outside of the cabinet to the main suction line no more than one foot from the suction line connection.
PAGE 3
BOX CONTENTS Box Contents: Evaporator Coil 2. Accessory Bag Die-cut Foam Sheet  Installation Instructions  Condensate Drain Hose  Condensate Hose Clamp  Die-cut Foam Sheet (Figure 2) For best performance, wrap the TXV bulb, liquid and suction lines with enclosed foam pieces. Additional pieces are provided to insulate the drain pan to help prevent condensation, in certain applications.
PAGE 4
REFRIGERANT LINE INSTALLATION ADP recommends installing a filter drier and sight glass in the liquid line. While brazing, purge the system with Nitrogen to prevent contamination. ADP recommends reattaching and insulating the TXV sensing bulb at a 10 to 2 o’clock position on the suction line, outside the coil housing, no more than one foot from the connection. Evacuate the system to 500 microns to ensure proper air and moisture removal (Note: Deep evacuation or triple evacuation method recommended).
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