I/O Table For The Board; Electrical Diagram - Daikin FWECSA Manuel D'installation Et D'utilisation

FWECSA

I/O TABLE FOR THE BOARD

POWER SUPPLY
L Phase
N Neutral
INPUTS
I1 Room air NTC probe
I2 Water NTC probe
I3 Hot water NTC probe (with 4-pipe units)
I4 Not used
I5 Not used
IC Common for NTC probes
+5 Not used
I6 Input for remote ON/OFF
I7 Input for remote SUM/WIN
I8 Input for remote ECONOMY
I9 Not used
I10 Not used
IC Common for I6-I7-I8
SU - SU Humidity probe
OUTPUTS
A1 Brushless fan modulation
Water valve modulation
A2
(cold with 4-pipe units)
A3 Hot water valve modulation (only with 4-pipe units)
CA Common for 0-10V outputs
O1 Extra-low speed
O2 Low Speed
O3 Medium Speed
O4 High Speed
O5 Water valve (cold with 4-pipe units)
O6 Hot water valve (only with 4-pipe units) or heater
C1 Common for O1-O6 relay outputs
O7 Configurable signal output
C7 Common for O7 relay output
PORTS (FRONT OF BOARD)
A/B/GND RS485 serial MODBUS protocol
+ / - Display connection or second board
+ / - Display connection or second board
FC66003946
Rev 00
Controller for units
(figure 19)
USER MANUAL
It is strictly forbidden to reproduce this manual, even partially

ELECTRICAL DIAGRAM

KEY
SA Room temperature probe
SW Water temperature probe (cold with 4-pipe units)
Hot water temperature probe (only with 4-pipe
SWH
units)
SU Ambient humidity probe
ON/OFF Dry contact for remote ON/OFF
SUM/WIN Dry contact for remote SUMMER/WINTER
ECONOMY Dry contact for remote ECONOMY
FAN 0/10V Modulating fan 0/10V
Modulating 0/10V water valve (cold with 4-pipe
VH 0/10V
units)
VH 0/10V Modulating hot water valve (only with 4-pipe units)
MV Fan
INV Fan inverter
MV INV Inverter fan motor
V1 Extra-low speed
V2 Low speed
V3 Medium speed
V4 Maximum speed
COM Common for ON/OFF outputs
VC Water valve (cold with 4-pipe units)
Cold water valve (only with 4-pipe units) or electric
VH/RE
heater
CN Unit terminal board
IL Line switch (not included)
F Fuse (not included)
L Phase
N Neutral
(figure 19)
EN
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