SiENBE12-713
Control Specification
Function and Control
101
3.15.3 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.
3.15.4 ECONO-mode-proof Setting
Outline
When installing in hotels, you can make ECONO mode ineffective on the outdoor unit.
Operation
The ECONO mode can be switched over between "effective" and "ineffective" by pressing the
forced operation switch (SW1) and wiring error check switch (SW3) at the same time and
holding them for 5 seconds while the compressor is stopped. The LEDs are lit in turn for 15
seconds to show the ECONO mode status.
The factory setting is "effective".
COOL mode (C)
HEAT mode (H)
5<C>3<H>1
(R1397)
effective
→
ineffective
ineffective
→
effective
LED flashing order
4
→
3
→
2
→
1
1
→
2
→
3
→
4
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...