R
Connect a safety thermostat if the heating circuit is for
underfloor heating.
4
Remove the bridge.
4
Connect the wires from the safety thermostat to the
connector.
4.4.2.
Connecting a direct heating circuit and a
domestic hot water tank
L000159-D
6
4
5
7
8
2
3
1
TS +
B
A
B
0-10V
S AMB C
4 3 2 1
2 1
+ -
S AMB B
2 1
S AMB A
2 1
S SYST + TA -
S ECS
S EXT
S DEP C
2 1
2 1
2 1
2 1
2 1
S DEP B
2 1
SCU
PCU
TS +
C
AUX
C
On/off
OT
BL
RL
PUMP
A
Do not connect anything to the terminal block.
Z
Domestic load pump connection
E
Connect the heating pump
R
Connect a safety thermostat if the heating circuit is for
underfloor heating.
4
Remove the bridge.
4
Connect the wires from the safety thermostat to the
connector.
Diematic iSystem For C 330 / C 630 ECO
4. Installation
31082018 - 7600691-001-06
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