V-159
C
ONTROL
S
YSTEMS
Control timing example
(1) Option switch K3
•
ON : The external contact control indoor unit OFF only.
•
OFF : The external contact control indoor unit ON and OFF.
❈ When Remote controller turns the indoor unit ON.
-Zone ① : In the zone where key-tag I/M state is Close, remote controller can be used.
Control priority : The contact state = Remote controller
-Zone ② : In the zone where key-tag I/M state is OPEN, remote controller cannot be used.
Control priority : The contact state > Remote controller
①②
Case 1 : K3=ON
K1=OFF ➔ The I/M contact is Open, Indoor unit turns OFF (Cannot use remote controller).
The I/M contact is Short, key-tag I/M doesn’t work.
Case 2 : K3=OFF
K1=OFF ➔ The I/M contact is Open, Indoor unit turns ON.
The I/M contact is Close, Indoor unit turns OFF.
Key-tag
I/M contact state
Close Open Close Open
OFFON OFFON
Key-tag
I/M control
Indoor unit
operation
Operation
delay
ON control
by remote controller
ON control
by remote controller
The contact Open
→ Indoor unit OFF
control
The contact Open
→ Indoor unit OFF
control
Key-tag
I/M contact state
Open Close Open Close
OFFON OFFON
ON
Key-tag
I/M control
Indoor unit
operation
Operation
delay
ON control by remote controller
The contact Close
→ Indoor unit OFF
control
The contact Open
→ Indoor unit ON
control
The contact Close
→ Indoor unit OFF
control
❈ ON/OFF control by the contact state (Open↔Close).
Control priority : The contact state = Remote controller
05-4~6_control systems(142~171 3/6/08 14:09 Page 159
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