20
Heat pump system
When multiple indoor units are connected to 1 outdoor unit:
Give the authority to choose cooling, heating, or auto to 1 of these remote controllers.
c
c
c
e
c
d
b
b
b
b
a
a
Outdoor unit
b
Indoor unit
c
Remote controller
d
Changeover master
e
Changeover mode follower
• For the remote controller
without
cooling/heating selection authority, the operation
modes that can be selected are limited.
Heat recovery system
When multiple indoor units are connected to the same port of a branch selector unit:
Give the authority to choose cooling, heating, or auto to 1 of these remote controllers.
c
c
b
b
c
d
c
b
b
d
d
a
e
f
*
e
e
a
Outdoor unit
b
Indoor unit
c
Remote controller
d
Branch selector unit
(This unit switches between cooling
and heating.)
e
Changeover master
f
Changeover mode follower
* The screen of the remote controller with
no cooling/heating selection authority
when the remote controller with cooling/
heating selection authority is in “Auto”
mode and has selected Heat operation
(auto heating)
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2020/09/02 15:53:17
