2 | LM CS Series Heat Pump
LM CS Series Heat Pump8 733 920 847 (2014/01) Subject to change without prior notice
CONTENTS
CS/AH Pairing ................................................................... 3
Key to Symbols.................................................................. 3
Safety Warnings................................................................ 3
LM CS Standard package.................................................... 4
GENERAL DESCRIPTION .................................................... 4
MOVING AND STORAGE ..................................................... 4
INITIAL INSPECTION .......................................................... 4
LOCATION......................................................................... 5
Condensing Section ..................................................... 5
Air Handler ................................................................. 5
INSTALLATION .................................................................. 5
CONDENSATE DRAIN ......................................................... 6
WATER PIPING .................................................................. 6
ELECTRICAL...................................................................... 6
Safety Devices and the UPM Controller ........................... 7
COMFORT ALERT MODULE............................................... 10
OPTIONS......................................................................... 12
Pump Status Switch ................................................... 12
DPS Water Flow Proving ............................................. 12
Valve End Switch ....................................................... 12
Pump Relay............................................................... 12
SEQUENCE OF OPERATION .............................................. 13
Cooling Mode............................................................ 13
Heating Mode............................................................ 13
APPLICATION CONSIDERATIONS...................................... 15
Well Water Systems ................................................... 15
Cooling Tower/Boiler Systems ..................................... 15
Geothermal Systems.................................................. 17
SYSTEM CHECKOUT ........................................................ 18
UNIT START-UP ............................................................... 18
MAINTENANCE................................................................ 19
UNIT CHECK-OUT SHEET .................................................. 20
TROUBLESHOOTING ........................................................ 21
OPERATING TEMPERATURES AND PRESSURES................. 25
WIRING DIAGRAMS ......................................................... 30
DIMENSIONAL DRAWINGS ............................................... 31
NOTES ............................................................................ 32
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