
3.
MAIN COMPONENTS
A
CH pump
L
Air supply
B
Gas valve
M
Flue discharge
C
Burner controller with operating panel
N
Connecting block / terminal list X
D
Supply sensor S1
O
Condensate discharge
E
Return sensor S2
P
Hot water sensor S3
F Fan
Q Siphon
G
Flow switch
R
Heat exchanger
H
Pressure gauge
S
Operating panel and display
I
1m connecting cable 230 V ~
( Note: Plug must be removed)
T Ionisation/ignition
probe
J
Manual air vent
U
Position type plate
K
Sight glass and mirror
Additional Components supplied :-
T-piece & ½" Pressure relief safety valve, 3 bar (supplied in boiler box)
Valve set (supplied separately with boiler)
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