External Room Thermostat Control (Optional) - Panasonic WH-MDC09C3E8 Service Manual

12.15 External Room Thermostat Control (Optional)

Purpose:

Better room temperature control to fulfil different temperature request by external room thermostat.
Recommended external room thermostat:
Maker
Siemen (REV200)
Siemen (RAA20)
Connection external room thermostat:
Wire Connection and thermo characteristic of Siemen REV200:
Setting
Set Temp < Actual Temp
Set Temp > Actual Temp
* Siemen REV200 thermostat must fix to default mode or heat mode selection.
Wire Connection and thermo characteristic of Siemen RAA20:
Setting
Set Temp < Actual Temp
Set Temp > Actual Temp
Control Content:

External room thermostat control activate only when romote thermostat connection select YES by Indoor control
panel.

When indoor running heat mode, refer thermo On/Off from heating line feedback. And when indoor running cool
mode, refer thermo On/Off from cooling line feedback.

Heatpump Off immediately when receive thermo off feedback.
Characteristic
Touch panel
Analog
L/L1 (H) Heat Thermo
Open Circuit OFF
Short Circuit ON
L/Y1 (H) Heat Thermo
Open Circuit OFF
Short Circuit ON
L/L2 (C)
Short Circuit
Open Circuit
L/Y2 (C)
Short Circuit
Open Circuit
67
Cool Thermo
ON
OFF
Cool Thermo
ON
OFF