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Esquema eléctrico - RCF20DMTHA
L
N
EA FAN
PG
GND
VSP
L
N
SA FAN
PG
GND
VSP
Running signal output
Fault signal output
Fire alarm signal input
By−pass switch
SW 4
ON
Dial switch
1
2
3
4
1. SW4-1: OFF-Traditional defrost
2. SW4-2: OFF-Auto by-pass
3. SW4-3: OFF-Humidity sensor
temperature sensor (RA temp. will not be used)
4. SW4-4 : OFF-Baud rate:4800
L3
EMI
N
filter
QF
By−pass
Wifi connector
Hum idity sensor
PORT 3
PORT 4
ON-Electrothermal defrost
ON-manunal by-pass(by-pass switch)
ON-Humidity and
ON-Baud rate:9600
10
Power supply
AC 220V
Terminal on ERV
Electrical heater signal
J o i n t o f con tr o l p an el and cab le
St anda r d le n gth: 5m
12V
A
B
G ND
Remote controller
RS 485
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