Preparation For Lighting - Glow-worm swift flow 100 Installation Instructions Manual

SECURING SCREWS (2)
Slacken but do not remove
IGNITION
LEAD
PIEZO
UNIT
TEST
POINT
ELECTRICAL
CONNECTOR
(GREY)
WHITE ADJUSTER
SCREW
(MINI PRESSURE)
CAP
S.I.T
220650B
1 1 C o m m i s s i o n i n g
PIEZO UNIT
BRACKET
Slide forward
and lower to
release from
keyhole fixing
LARGE ADJUSTING
NUT (MAX PRESSURE)
Diagram 11.2
LARGE
ADJUSTING
NUT (MIN.
PRESSURE)
SMALL
ADJUSTMENT
NUT (MAX.
PRESSURE)
CAP
HONEYWELL

11.3 Preparation for Lighting

Isolate the boiler from the mains electrical supply at the
external isolator.
Test for soundness and purge air from the gas supply in
accordance with the rules in force in the countries of
destination. Turn on the gas service cock, slot in line
with the length of the cock.
SIT only - Slacken the two piezo unit bracket screws and
remove the bracket (keyhole slots).
Remove the burner pressure test point screw and connect
a suitable pressure gauge, see diagram 11.2.
22
TEST
POINT
ELECTRICAL
CONNECTOR
(GREY)
SPINDLE
SCREW Diagram 11.2