English
21
Wiring Method
(1)
Remove the control box lid. (See ‘‘8. ELECTRIC WIRING WORK’’.)
(2) Cross-wire the terminal block for remote controller (P
1
P
2
) inside the control box. (There is no
polarity.) (Refer to Fig. 31 and Table 2)
Terminal for remote
controller wiring
Indoor unit 1
Indoor unit 2
To next unit
Group control remote controller
Fig. 32
Two remote controllers control (Controlling 1 indoor unit by 2 remote controllers)
•
When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”.
MAIN/SUB CHANGEOVER
(1)
Insert a screwdriver into the recess between the upper and lower part of remote controller and,
working from the 2 positions, pry off the upper part. (The remote controller PC board is attached to the
upper part of remote controller.)
(Refer to Fig. 33)
Upper part of
remote controller
Lower part of
remote controller
Insert the screwdriver
here and gently work
off the upper part of
remote controller.
Fig. 33
(2)
Turn the
main/sub changeover
switch on one of the two remote controller PC boards to “S”. (Leave
the switch of the other remote controller set to “M”.)
(Refer to Fig. 34)
S
S
S
(Factory setting)
(Only one remote
controller needs
to be changed if
factory settings
have remained
untouched.)
Remote
controller
PC board
Fig. 34
