Setting Of The Dsw Switches On Pcb1 - Hitachi FSXN Series Service Manual

4 Electrical wiring
Connection diagram: heat recovery system
A A
CB CB
F F
ELB ELB
A Main outdoor unit
A1 Secondary outdoor unit
B Operation wiring (shielded twisted pair cable or shielded pair cable) 5 Vdc non-polar H-LINK (field-supplied)
C Distribution box (field-supplied)
D Indoor units
E Operation wiring (shielded twisted pair cable or shielded pair cable) (field-supplied)
F Fuse (field-supplied)
G PC-ART remote control
H Indoor unit system No 0
I Indoor unit system No 1
J CH unit
K Transmission wire between A and A1
CB Circuit breaker (field-supplied)
ELB Earth Leakage Breaker (field-supplied)

4.1.4 Setting of the DSW switches on PCB1

C A U T I O N
Before changing the settings of the DIP switches, the voltage supply should be disconnected. Otherwise, the new
settings will not be valid.
78
SMGB0065 rev. 1 - 12/2010
A1 A1
CB CB
B B
J J
K
F F
ELB ELB
C C C C
D D
CB CB
F F
ELB ELB
E E
E E
G G
Location of the DSW switches on PCB1.
J J
J J
C C C C
D D
D D
E E
E E
G G G G
H H
C C
D D
D D
E E
G G
G G
I I