Control Specification
Si12-714
94
Function and Control
3.16.5
Cooling / Heating Mode Lock
Use the S15 connector to set the unit to only cool or heat.
Setting to only heat (H): Short-circuit pins 1 and 3 of the connector <S15>.
Setting to only cool (C): short-circuit pins 3 and 5 of the connector <S15>.
The following specifications apply to the connector housing and pins.
JST products Housing: VHR-5N
Pin: SVH-21T-1, 1
Note that forced operation is also possible in COOL / HEAT mode.
COOL mode (C)
HEAT mode (H)
5<C>3<H>1
(R1397)