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7. Electrical installation
Installer reference guide / Mono tank integrated type
116
The built-in the 3WAY VALVE (B15/B16/B17/B18)
• The built-in 3way diverter valve for diverting the flow towards DHW (boiler) or Space Heating/Cooling.
1
Make sure to wire the valves for the installation
to the correct terminals.
2
Make sure what type of 3WAY VALVE you use
B2
B6
B10
B14
B18
B22
B4
B8
B12
B16
B20
B24 B26
B1
B5
B9
B13
B17
B21
B3
B7
B11
B15
B19
B23 B25
3way (L1)
3way (L2)
Neutral (N)
Live (L)
Status
L1
L2
A (Initial)
OFF
ON
B
ON
OFF
Description
No. of wires
Mini./Max. current
Thickness
Remark
Diverting type 3WAY VALVE
4
10mA /50mA
>0.75mm2, H05RN-F or
HO7RH-F
Installed
(220-240V~, Input)
• Changing default position of the diverter valve via Field Setting Values (FSV)
Field Setting Value (#3071) “0”
Space heating as default
Field Setting Value (#3071) “1”
DHW tank as default
Space
heating
A
DHW
tank
3WAY VALVE
Supply
water
Space
heating
A
DHW
tank
3WAY VALVE
Supply
water
Space
heating
B
DHW
tank
3WAY VALVE
Supply
water
Space
heating
B
DHW
tank
3WAY VALVE
Supply
water