KeepRite H4A4 - User Manual

421 01 5100 01 October 2006
INSTALLATION INSTRUCTIONS
R−410A Split System Air Conditioner
Model Series: N4A3, H4A3, C4A3, T4A3
N4A4, H4A4, C4A4, T4A4
These instructions must be read and understood completely before attempting installation.
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manuals that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which
will result in enhanced installation, reliability, or
operation.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
The signal word CAUTION is used throughout this
manual in the following manner:
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
WARNING
Safety Labeling and Signal Words
!
CAUTION
WARNING
!
TABLE OF CONTENTS
Inspect New Unit 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Considerations 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearances 2 − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Support 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigeration System 4 − 8. . . . . . . . . . . . . . . . . . . . . . . .
Electrical Wiring 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start−up Procedure 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Charge 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequence of Operation 10. . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R−410A Quick Reference Guide 13. . . . . . . . . . . . . . . . .
!
WARNING
DEATH, PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning
could result in equipment malfunction, property
damage, personal injury and/or death.
Installation or repairs made by unqualified per-
sons could result in equipment malfunction, prop-
erty damage, personal injury and/or death.
The information contained in this manual is in-
tended for use by a qualified service technician fa-
miliar with safety procedures and equipped with
the proper tools and test instruments.
Installation must conform with local building
codes and with the National Electrical Code
NFPA70 current edition or Canadian Electrical
Code Part 1 CSA C.22.1.

Summary

Safety Considerations

Unit Support

Refrigeration System

Component Matches

Ensures proper matching of indoor and outdoor coils and TXV metering devices.

Refrigerant Line Sets

Details on selecting and installing refrigerant lines for optimal performance and oil circulation.

Brazing Connections

Procedures and safety for making brazed connections in the refrigerant lines.

Evacuating Line Set and Indoor Coil

Deep Vacuum Method

Triple Evacuation Method

Electrical Wiring

Electrical Shock Hazard

Warning about the risk of personal injury or death from electrical shock if disconnect is not turned off.

Start-up Procedure

Refrigerant Charge

Troubleshooting

Comfort Alert Diagnostics

Overview of the Comfort Alert device for monitoring system faults via LED indicators.

Comfort Alert Diagnostics (LED Codes)

KeepRite H4A4 Specifications

General

Brand	KeepRite
Model	H4A4
Category	Air Conditioner
Language	English