5
6
CONTROLS
9
1
6
2
4
3
CONTROLS
To gain access to the boiler controls
push at the top of the flap and release
7
8
1. MASTER SWITCH FOR ON/OFF
2. CENTRAL HEATING
TEMPERATURE CONTROL
3. DOMESTIC HOT WATER
TEMPERATURE CONTROL
4. MAINS ON/OFF INDICATOR +
FAULT DIAGNOSTIC LIGHT
5. BURNER ON INDICATOR LIGHT
(GREEN)
6. ECO BUTTON (DOMESTIC HOT
WATER PRE-HEAT ON/OFF)
7. FAULT RESET BUTTON
8. SYSTEM PRESSURE GAUGE
9. POSITION FOR OPTIONAL
PROGRAMMER
WORCESTER BOSCH GREENSTAR 25Si/30Si
8 716 115 169b (09/2008)