Setting The Gas / Air Ratio - Worcester Greenstar Ri User Manual

THE BOILER IS FACTORY SET. ADJUSTMENT
OF AIR / GAS RATIO IS ONLY REQUIRED IF
STATED IN THE SERVICING OR REPLACEMENT
PARTS SECTION OF THE MAIN INSTRUCTIONS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR Ri
8 716 109 699a (05/05)

SETTING THE GAS / AIR RATIO

I SOLATE
S U P P LY AN D R E MOVE OUTE R
C AS E
INSTALLATION, COMMISSIONING &
SERVICING INSTRUCTIONS
1.1
1.1 Remove 3 screws (A) and cover (B) from
1.2 Using the tool set the mode switch to
A
B
1.2
MAX
MIN
NORM
MAI N S E LEC TR IC AL
AS S HOWN I N
control box.
Clipped inside the cover is a plastic tool
used to change the mode switch setting.
Re-connect mains electrical supply.
maximum.
The power indicator will flash and the boiler
will stay in this mode for 15 minutes if no
further change is made to the switch.
SETTING THE GAS / AIR RATIO
TH E
38