Installation guide
41
INSTALLATION
ENGLISH
Terminal Block Information
Symbols used below pictures are as follows :
- L, L1, L2 : Live (220-240 V~)
- N : Neutral (220-240 V~)
- BR : Brown , WH : White , BL : Blue , BK : Black
Terminal Block 1
Turn on or off backup heater
Connection for thermostat
(230 V AC)
Supporting type : Heating only or
Heating/Cooling
HEATER
(A)
HEATER
(B)
THERMOSTAT
(Default : 230 V AC)
L N L N L N L1 L2
21 22 23 24 25 26 27 28 29 30
Connection for 3
rd
PARTY CONTROLLER
Opening or closing
water flow for FCU cooling
Power supply for
2
nd
heating kit
3rd PARTY
CONTROLLER
MIX
PUMP
MIXING VALVE 2WAY VALVE(A)
A B L N L1 L2 N L L1 N
11 12 13 14 15 16 17 18 19 20
Energizing water
pump for solar
thermal system
Water flow switching between
under floor heating and
DHW tank heating
Water flow switching between using
solar thermal heating and skipping
solar thermal heating
Turn on or off DHW
tank heater
3WAY VALVE
(B)
WATER
PUMP
(B)
WATER
TANK
HEATER
3WAY VALVE
(A)
LL1N LN L LL1NN
123456 89710
Terminal
Block 4
(Accessory)
Terminal
Block 1
Terminal
Block 2
Terminal
Block 3
Terminal Block 2
Terminal Block 3
E/HEATER OUT
SENSOR (5 V DC)
L1 L2
31 32
Connection for
E/HEATER OUT SENSOR
Terminal Block 4