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THERMA V
Split Type
7. Electrical Wiring
Option Switch 2
Description
Descr
iption
Role when central
controller is equipped
Accessory installation
information
Cycle
Flow Switch
Detection
Selecting Backup
Heater capacity
Thermostat installation
information
24
Set
Setting
ting
1
As Master
1
As Slave
Heat pump
is installed
2
3
(Heating(Cooling) circuit only)
Heat pump
+ DHW tank
2
3
is installed
Heat pump
+ DHW tank
+ Solar thermal system
2
3
is installed
DHW tank is installed
(no Heating (Cooling) circuit)
2
3
4
Heating Only
4
Heating & Cooling
5
Always
While water pump is on
5
Backup Heater is not used
6
7
1Ø model : Half capacity is used
3Ø model : 1/3 capacity is used
6
7
Unused
6
7
Full capacity is used
6
7
8
Thermostat is NOT installed
8
Thermostat is installed
Design and installation
Default
Def
ault
1
2
3
4
5
6
7
8
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