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COntents
stARt-UP CHeCK LIst .............................................................................................................................................................. 3
PHYsICAL DAtA .......................................................................................................................................................................... 4
eLeCtRICAL DAtA ................................................................................................................................................................... 4
DIMensIOns ................................................................................................................................................................................. 5
Service clearance .............................................................................................................................................................................. 7
Centre of gravity coordinates .......................................................................................................................................................... 8
Weight distribution .......................................................................................................................................................................... 9
FAn PeRFORMAnCe CURVes ............................................................................................................................................. 10
PReLIMInARY CHeCKs .......................................................................................................................................................... 13
Check equipment received ............................................................................................................................................................ 13
sAFetY COnsIDeRAtIOns................................................................................................................................................... 13
UnIt tRAnsPORt, LIFtInG AnD HAnDLInG ............................................................................................................... 14
UnIt InstALLAtIOn ............................................................................................................................................................... 14
38UQZ outdoor units..................................................................................................................................................................... 14
40ALZ indoor units ........................................................................................................................................................................ 16
eLeCtRICAL COnneCtIOns ............................................................................................................................................... 19
ReFRIGeRAnt LIne COnneCtIOns ................................................................................................................................ 20
Connection between units ............................................................................................................................................................. 0
Refrigerant piping design .............................................................................................................................................................. 1
Pipe diameter calculation procedure............................................................................................................................................ 1
ReFRIGeRAnt CHARGe ....................................................................................................................................................... 23
OIL ReCHARGe ......................................................................................................................................................................... 24
stARt-UP ...................................................................................................................................................................................... 24
Initial checks.................................................................................................................................................................................... 4
UnIt COMPOnents ................................................................................................................................................................. 25
DesCRIPtIOn OF UnIt PROteCtIOn DeVICes .......................................................................................................... 25
OPeRAtInG LIMIts ................................................................................................................................................................. 25
GeneRAL MAIntenAnCe .................................................................................................................................................... 26
Servicing recommendations .......................................................................................................................................................... 6
Compressor replacement ............................................................................................................................................................... 7
OPtIOns/ACCessORIes ......................................................................................................................................................... 27
FInAL ReCOMMenDAtIOns ................................................................................................................................................ 28
tROUBLesHOOtInG CHARt ............................................................................................................................................... 28