Page
28
of
73
SK2015
FSTDC
‐
V/P
‐
ECM
‐
001
I/O
Code
2
‐
Pipe
4
‐
Pipe
Output
Auxiliary
contact
2
AUX2
Cooling
mode
signal
relay
(NO).
Voltage
free
contact.
To
ensure
the
sensitivity
of
the
connection,
please
make
sure
max
wiring
length
<
30
m.
Auxiliary
contact
1
AUX1
Heating
mode
signal
switch
(NO).
Voltage
free
contact.
To
ensure
the
sensitivity
of
the
connection,
please
make
sure
max
wiring
length
<
30
m.
Serial
BUS
port
CN3
Master
‐
slave
network
serial
connection
OR
MODBUS
/
local
PC
host
network
serial
connection.
24VAC
power
input
DA1
24VAC
external
power
supply
(modulating
valve
applications
only).
Modulating
valve
output
1
DA2
Connection
to
DC
modulating
valve
on
2
‐
pipe
coil
circuit
‐
chilled
/
hot
water.
Connection
to
DC
modulating
valve
on
4
‐
pipe
coil
circuit
‐
chilled
water.
Modulating
valve
output
2
DA3
N/A
Connection
to
DC
modulating
valve
on
4
‐
pipe
coil
circuit
‐
hot
water.
Содержание FDLA-09
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