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CONTENTS
Key to Symbols...................................................................3
Safety Warnings................................................................ 3
Standard package.............................................................. 3
Location............................................................................ 6
Required Tools ............................................................ 6
Duct System.................................................................... 15
Piping ............................................................................. 15
Electrical ........................................................................ 17
Options........................................................................... 23
Electric Heat ............................................................. 23
Valve Relay ............................................................... 23
8733942411 (2017/07)
Initial Start-Up .................................................................28
Cooling Mode ............................................................28
Heating Mode ............................................................28
Troubleshooting ..............................................................33
Wiring Diagrams ..............................................................55
Counter Flow.............................................................60
CF Vertical ................................................................61
System Checkout..............................................................63
Unit Start-up....................................................................63
Maintenance ...................................................................63
Terminology.....................................................................66
Spare Parts List................................................................67
Wiring Harness...........................................................67
Electrical Box.............................................................72
Exploded Views................................................................74
VT............................................................................75
CF............................................................................76
HZ............................................................................77
Notes...............................................................................78
Subject to change without prior notice
SM Series Heat Pump
SM Series Heat Pump