141
E
XTERNAL
C
ONTROL
S
YSTEM
f
Operation input
It is possible to set the method of indoor unit control by external contact signal.
t
Method 1. Turn On/Off the indoor units by external contact signal
t
Method 2. Set standby/Turn Off the indoor unit by external contact signal
t
Method 3. Return to the last status / Turn Off the indoor unit by external contract signal
f
Operation output
t
Thermo off : Status where refrigerant is not flowing in either cooling/heating operation because desired temperature has been reached.
Method 1
Method 2
Method 3
Indoor unit INSTALL option
setting
(Refer to inidoor unit
installation manual)
SEG 14 = 1
SEG 14 = 2
SEG 14 = 3
Indoor unit operation by
external contact
Short
Indoor unit On
Open
Indoor unit Off
Short
Standby
Open
Indoor unit Off
Short
Return to the last
status of indoor unit
Open
Indoor unit Off
Remote controller use
Short
Available
Open
Available
Short
Available
Open
Unavailable
Short
Available
Open
Unavailable
DVM S series indoor unit
Output signal
4&(
SEG 15 = 1
Thermo On/Off
Operation On/Off
Output signal delay time
None
Error signal
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