TERMINAL BLOCK CONNECTIONS
Earth
N Neutral
L Live input of the controller
L
3
Live input for the solar heating system modulating pump
L
4
Modulating output of the solar heating system modulating pump
COMPONENTS
AA Controller
BB Solar heating system pump (modulating)
CC Temperature sensor (S
1
- solar collector)
DD Temperature sensor (S
2
- tank)
EE Combined Q/T sensor
(incl. temperature sensor S
4
- solar collector return)
FF Communication between the water heater controller and the solar
Heating system controller (BUS-link)
K Double-pole isolator
CONTROLLER CONNECTIONS
J12 Connection of combined Q/T sensor (1-2-3-4)
J13 Connection of temperature sensor S
1
(2-4)
J14 Connection of temperature sensor S
2
(2-4)
J16 Connection of BUS-link communication
F2 Fuse (T 3.15A - 250 V)
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