INSTALLATION INSTRUCTIONS
R−410A Single Package Heat Pumps
PHD424−60
1 & 3 Phase
These instructions must be read and understood completely before attempting installation
Safety Labeling and Signal Words
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
manual 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.
!
WARNING
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:
!
CAUTION
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
SAFETY CONSIDERATIONS 2.................
RECEIVING AND INSTALLATION 2.............
Step 1 − Check Equipment 2...................
Step 2 − Provide Unit Support 2.................
Step 3 − Provide Clearances 3..................
Step 4 − Rig and Place Unit 3...................
Step 5 − Install Duct Connections 7..............
Step 6 − Provide for Condensate Disposal 8......
Step 7 − Install Electrical Connections 9..........
Wiring Diagram 12.............................
PRE−START−UP 18............................
START−UP 18.................................
Step 1 − Check for Refrigerant Leaks 18..........
Step 2 − Start−Up Cooling Section and Make Adj. 18
Airflow Adjustments 19..........................
Maintenance 22................................
Troubleshooting 30.............................
Start−Up Checklist 33...........................
TABLE OF CONTENTS
!
WARNING
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
persons could result in equipment malfunction,
property damage, personal injury and/or death.
The information contained in this manual is
intended for use by a qualified service technician
familiar with safety procedures and equipped
with 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.
518 01 2003 03
7−19−13
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