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DeDietrich AWHP MIT-IN iSystem Installation And Service Manual

DeDietrich AWHP MIT-IN iSystem
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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
M002540-E
AWHP
BUS
MIT-IN E
HK23
HK21
On/off
OT BL S ECS
BUS
A B 0V
S EXT
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
PCU
1 2
3
9
12
5 6
8
7
4
3 4
10
11
A
B
A/B
A
Not used: Do not connect anything to the terminal block.
Z
CAUTION
Do not connect anything to the DHW pump
outlet as the reversal valve is connected to the
PCU PCB in the boiler.
AWHP MIT-IN iSystem 4. Installation
24/09/2012 - 300027606-001-01
54

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DeDietrich AWHP MIT-IN iSystem Specifications

General IconGeneral
BrandDeDietrich
ModelAWHP MIT-IN iSystem
CategoryHeat Pump
LanguageEnglish

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