Example Of Connecting A System With Mit-In/ E - DeDietrich AWHP 6 MR Installation And Service Manual

AWHP MIT-IN iSystem
B TS +
1 2
4 5 6
BUS
12
AWHP
24/09/2012 - 300027606-001-01
SCU
0-10V S AMB C
+ - 4 3 2 1 2 1
B A
S SYST + TA - S ECS S EXT S DEP C
2 1 2 1 2 1 2 1
8
7 3
11 3
4 In auxiliary heater mode:
The MIT module controls input CS on the boiler and the back-up
pump.
When back-up is requested, the boiler continues to handle DHW
priority.
After the back-up is shut down, the back-up pump continues to run
during the timed period POST P.BOOSTER which can be
adjusted in the #HEAT PUMP menu.
4.11.13. Example of connecting a system with MIT-
IN/E
PCU
S AMB B S AMB A
2 1 2 1
S DEP B
2 1 2 1
4
10
MIT-IN E
HK21
A/B
A
HK23
B
Not used: Do not connect anything to the terminal block.
A
Z
CAUTION
Do not connect anything to the DHW pump
outlet as the reversal valve is connected to the
PCU PCB in the boiler.
4. Installation
9
M002540-E
54