Technical information

WIRING DIAGRAM DUAL POWER
Type 1-2-3-4-5
SE
RST
LB
J10
LL
LF
SND
EF PA
COMCOM
ION
J14
J16
J8 J4
NCNA
J17
J2
J11
J18J13
J15
RSTR
IGN1
EA1
J7
TA
VM
MS
CC
COMM
J9 J12
LOW
HIGH
LM
TR
EVG1-I°
FAN 1
EVG1-II°
J1
J6
IMT
F1
J5
F2
II°
SF
I°
230V 50Hz
LN
FAN 2
KEY
SND Temperature probe
TR Regulatory control thermostat (auto reset)
LM LIMIT thermostat (Manual reset)
EVG1-I° Gas solenoid valve 1
EVG1-II° Second stage gas valve 1
C Fan capacitor
FAN 1 Axial fan 1
FAN 2 Axial fan 2 (type 5)
F1-F2 Line fuses
LF Green working light
LL High temperature indication
LB Lockout indication
RST Lockout reset button
EF Flue Venter
PA Differential pressure switch
IGN1 Ignition transformer
EA1 Spark electrode
ION Ionisation probe
SE Electrical board
IMT (*) Fused isolator
MS (*) Fire switch
RSTR (*) Remote reset
TA (*) Room thermostat
VM (*) Fan switch
SF (*) Second stage gas valve connection
(*) External to the heater customer installation
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