119
SG ready Control Mode:
o
Using same SG ready from Sub Board input to control boiler ON/OFF output.
* When this SG ready is select for bivalent control, default SG ready function will change to control bivalent
output.
o
Remote controller can set the External Pump ON/OFF like bivalent alternative mode.
Control Content
Indoor will follow the SG ready bit input to control ON/OFF heat pump and boiler
00 : Heat pump OFF, Boiler OFF 10 : Heat pump OFF, Boiler ON
01 : Heat pump ON, Boiler OFF 11 : Heat pump ON, Boiler ON
* External pump will turn ON when the external pump selection is ON when boiler is ON even heat pump is OFF.
Boiler prohibit flag control
Purpose:
o
For product safety. Boiler signal is OFF when water temperature is too high.
Start condition:
o
Water outlet ≥ 85°C continues for 5 minutes.
o
Water inlet ≥ 85°C continues for 5 minutes.
o
Zone1 water temp ≥ 85°C continues for 5 minutes.
o
Zone2 Water temp ≥ 85°C continues for 5 minutes.
Contents:
After start condition fulfilled, set boiler prohibit flag = 1
Cancel condition:
o
After 30 minutes from start condition fulfilled.
Contents:
Set boiler prohibit flag = 0
13.22 External Room Thermostat Control (Optional)
Purpose:
1 Better room temperature control to fulfill different temperature request by external room thermostat.
Recommended external room thermostat:
Maker
Characteristic
Siemen (REV200)
Touch panel
Siemen (RAA20)
Analog
Connection of external room thermostat:
Wire Connection and thermo characteristic of Siemen REV200:
Setting
L/L1 (H)
Heat Thermo
L/L2 (C)
Cool Thermo
Set Temp < Actual Temp
Open Circuit
OFF
Short Circuit
ON
Set Temp > Actual Temp
Short Circuit
ON
Open Circuit
OFF
Cooling
Heating
Siemen REV200
Connect only heating line for heating only model. And connect both
heating and cooling line for heat + cool model.
Indoor Unit
9
L (label)
10
11
12
L1 (label)
L2 (label)
9 : Terminal Bord No.
