V-160
Control Systems
5
5
External contact control system
5-1. Key-tag interface module (MIM-B02)
4) Additional functions
Control timing example
(2) Option switch K4
•
ON : After power reset, ignore initial I/M contact state. And start to control indoor unit by next contact state.
•
OFF : After power reset, start to control indoor unit by initial I/M contact state.
❈ Point ① : 1. Power interruption occurred.
2. After power reset, indoor unit does not turn ON.
Point ② : 1. After I/M power returns, I/M detects the contact state “Close”.
2. Key-tag I/M turns indoor unit ON.
Condition : Indoor unit doesn’t support Auto restart function
K4 =OFF
K3 =OFF ➔ ON/OFF control by the contact state
K1 =ON ➔ The I/M contact is Close → Indoor unit turns ON
The I/M contact is Open → Indoor unit turns OFF
①②
Key-tag
I/M contact state
CloseOpen CloseOpen
OFF ON ON OFF ON
Key-tag
I/M control
Indoor unit
operation
Operation
delay
The contact Close
→ Indoor unit ON
control
The contact Close
→ Indoor unit ON
control
The contact Close
→ Indoor unit ON
control
The contact Open
→ Indoor unit OFF
control
After power returns,Indoor unit runs Auto mode,
Setting temperature 24, Auto fan speed.
05-4~6_control systems(142~171 3/6/08 14:09 Page 160
To Next Page
Loading...
