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IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S
http://air.irco.com
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1ATS Switch, high airend discharge temperature
1DPS Switch, fouled oil filter
1VAC Switch, fouled air filter
1ATT Sensor, airend inlet.
2ATT Sensor, airend discharge temperature
2CTT Sensor, injected coolant temperature
3APT Transducer, sump pressure, wet side
3SV Valve, blowdown solenoid
4APT Transducer, package air discharge pressure
4ATT Sensor, package discharge temperature
4SV Valve, water stop solenoid (W/C only)
6APT Transducer, sump air pressure, dry side
9APT Transmitter, remote air pressure (optional)
9SV Valve, condensate drain
11SV Valve, anti − condensation solenoid
AT Autotransformer (if fitted)
AW1 Auxiliary warning 1
AW2 Auxiliary warning 2
BP Backplate
C Capacitor
CAB Cabinet
CDE Condensate drain error
CDV Condensate drain valve. (if fitted)
CFO Common fault output
CK Choke
EXC External communications
DR Drive
DVF Fan, drive box ventilation
EB Earth bar
ES Switch, emergency stop
FD Drive, blower
FM Motor, blower
GND Ground
HC Heater circuit
HTR1 Heater, spacer 25 Watts
HTR2 Heater, spacer 25 Watts
K1 Relay, run
K2 Relay fault
KM1 Contactor, main motor
KM5 Contactor, Drive ventilation fan.
MCB1 Breaker, miniature circuit, transformer
MCB2 Breaker, miniature circuit, DVFMCB3
Breaker, miniature circuit, control circuits
MCB4 Breaker, miniature circuit, VFD supply
MCB5 Breaker, miniature circuit, PSU
MCB9 Breaker, miniature circuit, heater
MF Mains filter (if fitted)
MM Motor, main
MMS Breaker, blower motor
OPT Optional
OV Zero voltage
PE Protected earth
PORO Power outage restart option (optional)
PSU Power supply unit
RFI Filter, radio frequency interference
RSP Remote stop
RST Remote start
SGNE Controller, Intellisys
SL Serial link
SS1−3 Relay, solid state
ST Service tool
T1 Transformer, control
TH Thermostat
TRR True running relay
WR General warning
Colors
BLK Black
BLU Blue
BRO Brown
GRE Green
PIN Pink
RED Red
SCR Screened
VIO Violet
WHI White
YEL Yellow
Wires
Numbers Function Wire color
1−99
100−199
200−299
300−399
Power
AC Control
DC Control
Auxiliary
Black
Red
Blue
Orange
8.0 GENERAL INFORMATION
KEY