Connection Example For A System With Hydraulic Back-Up - DeDietrich AWHP-2 MIT-IN-2 iSystem Installation And Service Manual

4. Installation
B TS + B
1 2
7
5 6
14
BUS
9
52
4.11.12.
n Boiler fitted with a control panel with a TAM and/or
SCU
0-10V S AMB C S AMB B
+ - 4 3 2 1 2 1
A
S SYST + TA - S ECS S EXT S DEP C
2 1 2 1 2 1 2 1
3
4
°C
°C °C °C
EA63 EA61
EA59
Connection example for a system with
hydraulic back-up
I.TEL input
PCU
S AMB A
2 1 2 1
S DEP B
2 1 2 1
10
11
13
Not used: Do not connect anything to the terminal block.
A
Z
CAUTION
Do not connect anything to the DHW pump
outlet.
Connect the outside temperature sensor.
E
Connect the heating pump (Circuit A).
R
Connect the 3-way valve motor (Circuit B).
T
Connect the heating pump (Circuit B).
Y
AWHP-2 MIT-IN-2 iSystem
N L
12
TAM /
E.TEL
L N
25/06/2014 - 7616371-001-04
8
K
M003032-C