Glow-worm EnergySaver 80 - Manual (Page 36)

36
221837B
Diagram 14.8
4379 S
CONDENSATE
TUBE
SECURING
SCREWS (6)
SPARK
ELECTRODE
INJECTOR MANIFOLD
UNION
CONNECTION
Diagram 14.7
14 Replacement of Parts
ELECTRICAL
CONNECTIONS (3)
4378 S
SECURING
SCREW (4)
LIGHTS BRACKET
LOCKNUT
Diagram 14.6
HIGH/LOW CONTROL
SECURING
SCREW (2)
AIR
PRESSURE
SWITCH
GREY
GREY
YELLOW
BROWN
CLEAR
RED
AIR PRESSURE SWITCH TUBES
4068 S
14.7 Multifunctional Control: diagram 8.1.
Disconnect the screws and electrical plugs at the multifunctional
control.
Support the multifunctional control and remove the four screws
from the flanged connection, undo the union at the gas service
cock and remove the support bracket securing screw.
Remove the multifunctional control by easing the flange and
service cock apart.
Remove the union half and refit to the replacement multifunctional
valve.
Use a little jointing compound on the external thread only, to
ensure gas soundness.
Make sure that the new “O” ring is in place in the flanged
connection is replaced.
It will be necessary to purge the pipework and multifunctional
control before relighting and checking the pressure, refer to
“Commissioning”.
14.8 Fan
Refer to Section 12.1 “Heat Exchanger Cleaning”.
Make sure that the earth connection is remade onto the
replacement fan.
The polarity of the electrical connections is not important.
14.9 Injector
Refer to Servicing Section 12.3.
Fit new injector as shown.
Note: The replacement injector manifold is supplied complete
with the gas supply pipe manifold.
14.10 Heat Exchanger: diagram 14.8
Note: To carryout the following operations it will be found more
convenient if the whole of the heat exchanger and burner are
removed as a unit.
Follow the relevant parts of Servicing Section and remove the
bypass heat shield, fan/flue hood, combustion chamber front
panel, heat exchanger baffle, spark electrode, injector manifold
and thermostat phials.
Release the flexible tube from the condense drain trap, this is
a push-fit.
Release union connections and the six securing screws, then
remove the complete assembly.