15
GB
F) ECO signal for remote controls (if installed)
- In order to send reduced mode orders (
Eco
or
standby
) to the terminal unit remote control units in the case of
applications such as 1 terminal unit zone or 2 mixed zones.
- In the form of a potential-free contact which can used in VLV (Very Low Voltage), 2 A max.
- To be connected to the heating board
A1
.
- Note:
The contact can control up to 10
RCC10
(
70250051
) or
RCC20
(
70250052
) type controls.
Consult the terminal unit and remote control documentation to connect this contact.
CONTROL PART CONNECTION DIAGRAM
- Route the control cables on the right side of the board.
- Pass the pilot wire (230 V) on the left side of the board.
1 2
CN1
230V
CN2
CN3
CN4
CN8
CN7
CN6
CN5
3
5 4 3 2 1
4 3 2 1
4
5
3 2 1
3 2 1
N U FP
R1 R2 R3 C
E1 E2 T+
H1
A1 C A2 C
4 3 2 1
S1 C S2 C S3
A3
H2 H3
T-
D1 D2 + -
1 2 3 4
1 2 3 4
1 2 3 4
F
D
B
A
C
A1
Q4
N
U
Q1
N
U
Q2
N
U
Q3
N
U
KM1 KM2 KM3 KM4
KA1 KA2
U1 U2
1 2
R1 R2 +
E
Pilot wire
Electric
convectors
(if any)
ECO signal
(if any)
Electrical
utility
meter
Load shedding
(if installed)
Control unit
BUS connection to:
2-zone module
M2ZP or
M2ZM (if any) or
DHW tank KPECS
(if any)
OR
Outside
temperature
sensor
Heating
board
Power terminal strip XA
Control terminal strip XB
To Outdoor
Unit
Maintenance
keypad / display
unit