Technical information

11
Heater type 2-3 up rated fan
SE
EF PA
COM
NA
J4
J8
J17
J10
J9
LM
J12
J18
NC
IGN1
ION
EA1
J16
J11
J2
J14
J7
J13
RSTR
TA
VM
MS
NL
J15
J1
J6
CNT
F2
J5
F1
II°
SF
RT
FAN
SND
TR
EVG1-
EVG1-II°
LF
LL
LB
RST
F
KEY:
SND Temperature control probe
TR Regulatory control thermostat(auto reset)
LM LIMIT thermostat (manual reset)
EVG1-I° Gas solenoid valve
EVG1-II° Gas solenoid min (two stage)
C Capacitor / centrifual fan
FAN Centrifugal fan
F1-F2 Line fuse
LF Green working light
LL High temperature indication
LB Lockout indication
RST Lockout reset
EF Flue venter
PA Differential pressure switch
IGN1 Ignition transformer
EA1 Ignition electrode
ION Ionisation probe
SE Control panel
RT Relay fan motor
CNT Fan contactor
F Line fuse
IMT (*) Fused isolator
MS (*) Fire switch
RSTR (*) Remote reset
TA (*) Room thermostat
VM (*) Fan switch
SF (**) Second stage gas valve connection
(*) External to heater customer supply.
(**) Two stage only, External wiring customer
supply.
Electrical supply
single phase 230V 50Hz