Type 6-7
IGN2
EA2
EF
SE
J4
J8
IGN1
PA
COM
COM
NA
NC
ION
EA1
J1
1
J1
7
J2
J1
4
VM
TA
J1
6
J13
J7
RSTR
MS
EVG
2-
I°
EVG
1-
I°
EVG
2-
II
°
EVG
1-
II
°
RST
LL
LB
LF
J10
J9
J12
SND
LM
TR
J15
J1
8
J1
IMT
J6
230V
~
50
H
z
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
(Two Stage
version only)
EVG2-I°
Gas solenoid valve 2
EVG2-II°
Second stage
gas valve 2
(Two Stage
version only)
C
Fan
capacitor
FAN 1
Axial fan 1
FAN 2
Axial fan 2
FAN 3
Axial fan 3 (type 7)
F1-F2
Line
fuse
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 control board
IMT (
*
)
Fused
isolator
MS (
*
)
Fire damper connection (accessory)
RSTR (
*
)
Remote reset connection
TA (
*
)
Room Thermostat connections
VM (
*
)
Fan switch connections
SF (
*
)
Second stage gas valve connection
(
*
)
External to the heater customer installation.
11