E-3
■ Preparation for Outdoor Unit Installation . . . . . . . . . . 4
■ Deciding on where to Install the Outdoor Unit . . . . . . 5
■ Outdoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . 7
■ Connecting the Cable . . . . . . . . . . . . . . . . . . . . . . . . . 8
■ Piping and refnet joint selection . . . . . . . . . . . . . . . . 12
■ Connecting the Refrigerant Pipe . . . . . . . . . . . . . . . 16
■ Performing Leak Test & Vacuum Drying . . . . . . . . . . 17
■ Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
■ Adding Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . 20
■ Checking Correct Grounding . . . . . . . . . . . . . . . . . . 24
■ Setting Up Option Switches . . . . . . . . . . . . . . . . . . . 25
■ Functions of KEY on the Outdoor Unit PCB . . . . . . . 26
■ Checking and Testing Operations . . . . . . . . . . . . . . . 28
■ Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
OO
OO
UU
UU
TT
TT
DD
DD
OO
OO
OO
OO
RR
RR
UU
UU
NN
NN
II
II
TT
TT
II
II
NN
NN
SS
SS
TT
TT
AA
AA
LL
LL
LL
LL
AA
AA
TT
TT
II
II
OO
OO
NN
NN
ENGLISH
Chapter