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Symbol
Actuation
Min. speed
Med. speed
Max. speed
Valve
Heating element
Second valve
Extra low speed
no symbol
no active outlet
The electronic controller outputs can be checked one by
one either by observing the respective component (valve,
fan..) or verifying whether a voltage of 230 V is present at the
corresponding terminals.
■ To exit the self-diagnosis procedure press
few minutes the thermostat will automatically exit in any
case).
Installation and operation manual
8
ELECTRONIC BOARD (SEE FIGURE 3)
Terminals
Where:
N-V1
N-V2
CI12 DI1-2 Common
N-V3
Remote cooling/heating
DI1
N-Vc
Remote On/Off
DI2
L
Phase
N-Vh
Neutral
N
Ground
PE
Remote air sensor
SA
Water sensor
SW
-
V0
Low speed.
V1
Medium speed
V2
High speed
(after a
V3
Valve
Vc
Heater valve/ Heater/extra-low speed
Vh
NB
■ For power connections use cable w/ cross section size of 2
mm2
■ For digital inputs used AWG 24 cable
■ For sensor extensions use AWG 24 shielded cable
FWEC1
Standard electronic controller
FC66002763
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