Technical information

Heaters type 1-2-3-4-5
C
FAN 1
C
FAN 2
IMT
J6
NL
F2
F1
N
J5
II°
I°
SF
230V 50Hz
EF
SE
J4 J8
IGN1
PA
COMCOM
NA NC
ION
EA1
J11
J17
J2
J14
VM
TA
J16 J13
J7
RSTR
MS
EVG1-I°
EVG1-II°
RST
LB
LL
LF
J10
J9 J12
SND
LM
TR
J15J18
J1
KEY:
SND Temperature probe
TR Regulatory control thermostat (auto reset)
LM LIMIT thermostat (manual reset)
EVG1-I° Gas solenoid valve1
EVG1-II° Second stage gas valve 2
C Fan capacitor
FAN 1 Axial fan 1
FAN 2 Axial fan 2 (type 5)
F1-F2 Line fuse (6,3 A)
LF Green working light
LL High temperature indication light
LB Lockout indication
RST Lockout reset
EF Flue venter
PA Differential pressure switch
IGN1 Ignition transformer
EA1 Spark electrode
ION Ionisation probe
SE Electrical control board
IMT (*) Fused isolator
MS (*) Fire damper connection (accessory)
RSTR (*) Remote reset connection
TA (*) Room thermostat connection
VM (*) Fan switch connection
SF (*) Second stage gas valve connection
(*) External to the heater customer supply.