C002369-F
3
6
5
2
1
4
8
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
).
E
Connect the DHW tank anode.
If the tank is not fitted with an impressed current
anode, put the simulation connector in place
(delivered with the DHW sensor - package
AD212).
R
Buffer tank.
T
Solar sensor probe.
Y
Connect the solar station to the solar collectors.
U
Domestic hot water boiler.
Connect the DHW sensor.
I
Do not connect anything to the terminal block.
MCA 15 - MCA 25 MCA 25/28 MI
4. Installation
29/04/2010 - 300022146-001-B
45
