n
PS storage tank and DHW tank connected to the boiler
5
3
2
1
L000162-E
TS + B AB
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 12 12 12 1 2 1
S DEP B
2 1
SCU
On/off
OT
BL
RL
PCU
PUMP
4
7
8
10
11
6
9
A
Do not connect anything to the terminal block.
Z
Reversal valve
E
Buffer tank load pump.
R Connect a domestic hot water tank if the storage tank O
is only used for heating
T
Connect the DHW sensor (Package AD212).
Y
Connect the DHW tank anode.
If the tank is not fitted with an impressed current
anode, put the simulation connector in place
(delivered with the DHW sensor - package
AD212).
U
Connect the heating pump (Circuit A).
Diematic iSystem For C 330 / C 630 ECO 4. Installation
31082018 - 7600691-001-06
20
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