SAfETy PrECAUTIonS ....................................................................... 5
Roughing-In ......................................................................................... 5
Installation ........................................................................................... 7
Wiring Precautions .............................................................................. 7
InTrodUCTIon ..................................................................................... 9
nomenclature ....................................................................................... 10
Unit features .........................................................................................11
Parts ...................................................................................................... 13
Installation Parts ................................................................................ 13
Specifications ...................................................................................... 14
dimensions .......................................................................................... 15
Wiring ................................................................................................... 17
roUGHInG-In ...................................................................................... 19
Piping .................................................................................................... 24
refrigerant Piping ............................................................................... 26
Water Piping ......................................................................................... 27
Power Wiring ........................................................................................ 35
dry Contact Wiring .............................................................................. 36
fInISH UP ............................................................................................. 41
table of coNteNts
PrE-CoMMISSIonInG ........................................................................ 54
Group Control Setup ........................................................................... 54
Group Control Setup ........................................................................... 55
UnIT oPErATIon ................................................................................ 70
Emergency operation ......................................................................... 71
Maintenance ......................................................................................... 72
Seasonal (K2, K3) ................................................................................ 72
Troubleshooting .................................................................................. 75
Error Codes .......................................................................................... 76
Troubleshooting .................................................................................. 77
43
54
54
54
3