Technical information

Type 6-7
IGN2
EA2
EF
SE
J4 J8
IGN1
PA
COMCOM
NA NC
ION
EA1
J11
J17
J2
J14
VM
TA
J16 J13
J7
RSTR
MS
EVG2-I° EVG1-I°
EVG2-II° EVG1-II°
RST
LL
LB
LF
J10
J9 J12
SND
LM
TR
J15J18
J1
IMT
J6
230V ~ 50Hz
NL
F2
F1
N
J5
II°
I°
SF
C
FAN 1
C
FAN 2
FAN 3
C
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
EVG2-I° Gas solenoid valve 2
EVG2-II° Second stage gas valve 2
C Capacitor
FAN 1 Axial Fan
FAN 2 Axial Fan
FAN 3 Axial Fan (only type 7)
F1-F2 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 1
IGN2 Ignition transformer 2
EA1 Spark electrode 1
EA2 Spark electrode 2
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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