8.0 GENERAL INFORMATION
IRN37–160K–OF & IRN50–200H–OF
http://air.irco.com
54
HTR2
Heater 125 watts
K1
Relay, run
K2
Relay fault
KM1
Contactor, main motor
KM5
Contactor, heatsink blower
MCB1
Breaker, miniature circuit, transformer
MCB2
Breaker, miniature circuit, control circuits
MCB3
Breaker miniature circuits, drive
MCB4
Breaker, miniature circuit, PSU
MCB9
Breaker, miniature circuit, heater
MCB10
Breaker, miniature circuit, heater
(external)
MF
Mains filter (if fitted)
MI
Main input terminals options
MM
Motor, main
MMS1
Breaker, fan motor
MMS2
Breaker, heatsink 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
SBC
Supplied by customer
SGN
Controller, Intellisys
SH
Standard heater connections as delivered
SL
Serial link
SS1–3
Relay, solid state
ST
Service tool
T1
Transformer, control
TH
Thermostat
TRR
True running relay
WR
General warning
Notes:
Alternatively the supply may be taken from an
independent source: in that case, factory supplied
connection must be disconnected.
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
Power
Black
100–199
AC Control
Red
200–299
DC Control
Blue
300–399
Auxiliary
Orange