CLIMAVENETA a-CHD U-2T 606 Bedienungsanleitung Seite 72

ELECTRICAL CONNECTION
Single electrical connections: cassette unit with wall-mounted control
For electrical connections of CHD cassette fan-coil refer to following electrical diagrams. Do not refer to wiring dia-
grams present on instruction sheet of wall-mounted controls.
i-CHD 706÷2209 + iK + EKW + iHB
FIELD WIRING FIELD WIRING
A
B
iK - EKW
NOTE:
CONNECT TS2 ONLY WITH 4 PIPE UNIT
CONNECT YVH ONLY WITH 4 PIPE UNIT
LEGEND:
EKW Wall-mounted Environment Thermostat
iK Wall-mounted Environment Thermostat
iHB Electronic board
QM1 Thermomagnetic switch
SA1 Multifunction contact
TS1 Water temperature sensor
TS2 Water temperature sensor 2
YVE Cooling valve
YVH Heating valve
30
EN
L
N
Cooling Valve
EV1
Heating Valve
EV2
N
iHB
AUTO ON/OFF
V3
+
+
FAN
-
-
A
M6 ID1
B
J2 J3
Black
Blue
Orange
Brown
YVE
YVH
Grey
Red
Green
SA1
Installation
AUTO ON/OFF
SIGNAL
+
LOW VOLTAGE
-
MODULATING SIGNAL
NOTE:
JUMPER "S1" MUST
BE CLOSED
QM1
PE N U
230V~50Hz
0-10 Vdc