DeDietrich Diematic iSystem - Connecting two circuits and a domestic hot water tank

4.4.3. Connecting two circuits and a domestic hot
water tank
L000160-D
7
8
11
10
6
5
1
2
4
9
3
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
TS + C AUXC
SCU
On/off
OT
BL
RL
PCU
PUMP
A
Do not connect anything to the terminal block.
Z
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.
E
Connecting an additional circuit to the AD249 option.
R
Connect the heating pump (circuit A).
If underfloor heating is being used, put a safety
thermostat in place after the heating pump. The
safety thermostat will shut down the heating
pump in the event of overheating.
Diematic iSystem For C 330 / C 630 ECO 4. Installation
31082018 - 7600691-001-06
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