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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
• If BRC1E type remote controller is used, see the manual attached to the remote controller.
If the remote controller is a wired one, change the switch setting as follows:
(1) Insert a flat screwdriver into the clearance between the upper case and the concave of the lower
case and, remove the upper case. (2 places) (Printed circuit board is attached to the upper part of
the remote controller.) (Refer to Fig. 38)
(2) Turn the main/sub changeover switch on one of the two remote controller printed circuit boards to
“S”. (Leave the switch of the other remote controller set to “M”.) (Refer to Fig. 39)
Wiring Method
(3) Remove the control box lid (Refer to “9. HOW TO CONNECT WIRINGS AND WIRING EXAMPLE”.)
(4)
Add wiring between the remote controller 2 (slave) and the terminal (P1, P2) of the terminal block (X1M)
for the remote controller in the control box. (There is no polarity.)
(Refer to Fig. 37 and Table 3)
NOTE
1. All transmission wiring except for the remote controller wires is polarized and must match the terminal
symbol.
2. For group control remote controller, choose the remote controller that suits the indoor unit which has the
most functions (as attached swing flap).
1 2 3
P
1
P
2
P
1
P
2
1 2 3
P
1
P
2
Outdoor unit
Indoor unit
2 remote controllers control
Main power supply
Earth leakage
circuit breaker
Remote
controller
(Optional
accessories)
Remote
controller
(Optional
accessories)
Fig. 37
Outdoor unit
Indoor unit
Remote
controller 2
Remote
controller 1
Upper case of
remote controller
Lower case of
remote controller
Insert the screwdriver
here and gently work
off the upper part of
remote controller.
Fig. 38
S
M
S
S
M
(Factory setting)
(Only one remote
controller needs
to be changed if
factory settings
have remained
untouched.)
Fig. 39
Remote
controller printed
circuit board
3PEN486970-1D.book Page 25 Monday, July 24, 2017 8:54 AM