DeDietrich Innovens MCA 25/28 BIC, Installation And Service Manual

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Y
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.
U
Low loss header.
I
Connect the heating pump (circuit
B
).
O
Connect the 3-way valve (circuit
B
).
P
Do not connect anything to the terminal block.
4.10.7. Hot water storage tank connection (Type
PS)
A000882-A
3
6
5
2
1
4
7
On/off
OT BL RL Tout Tdhw
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
A
Do not connect anything to the terminal block.
Z
Connect the heating pump (Circuit
A
).
MCA 25/28 BIC 4. Installation
15/06/12 - 300022159-001-01 35