5
OPERATING THE BOILER
6 720 803 600 (2012/06)
3
OPERATING THE BOILER
3.1 CONTROLS
[A]
MAIN POWER ON/OFF BUTTON
[B]
COVER OR POSITION FOR OPTIONAL PLUG-IN CONTROLLER
[C]
DISPLAY
[D]
SYSTEM PRESSURE GAUGE
[E]
RESET BUTTON
[F]
ECO BUTTON (DOMESTIC HOT WATER PRE-HEAT ON/OFF)
[G]
HOLIDAY BUTTON
[H]
DOMESTIC HOT WATER TEMPERATURE CONTROL
[I]
CENTRAL HEATING TEMPERATURE CONTROL
[J]
SERVICE ENGINEER BUTTON ONLY
[K]
SERVICE ENGINEER BUTTON ONLY
[L]
BURNER INDICATOR LIGHT
[M]
POWER INDICATOR & FAULT INDICATOR (BLUE)
1
2
3
4
5
6
max
2
3
1
0
4
bar
1
reset
eco
1
2
3
4
e
6
max
min
A
J
B
K
C
L
D
M
E
F
G
H
I
6720647361-71.1Wo