Glow-worm sxi and Gas Valve - Manual (Page 45)

45 0020015347-03
14 Replacement of Parts
14.26 Condense Drain
Refer to diagram 14.18.
Remove the clips securing the flexible tubes to the siphon
adapter by twisting the clips slightly to disengage the clip jaws
from each other.
Remove black flexible tubes from siphon adapter.
Lift off the siphon adapter.
Remove the drain connection downstream of the condense
trap.
Remove the two condense trap securing screws. Lift up and
carefully remove the condense trap taking care not to spill any
water which may be left in the unit. As the unit is lifted remove
the flexible pipe on the outlet.
Remove any solids found.
Remove the float to clean it.
Flush water through the trap to remove any remaining solids.
Check for any debris in the outlet pipe of the condensate drain
and clean as necessary.
Reassemble and refit the condense trap.
When refitting the cap ensure that a watertight seal is achieved,
but do not use excessive force.
Remove the siphon adaptor from the flexible tubes, using a
suitable container, flush the heat exchanger until the water
appears clear in the container.
14.27 Hydroblock Assembly Left-Hand
Refer to section 12.8 to drain the boiler heating circuit.
Refer to diagram 14.15.
Undo the connector on the bottom of the flow pipe from the
hydroblock.
Undo the nut connecting flow pipe to heat exchanger.
Lift the flow pipe up out of the way.
Remove the bypass tube, refer to section 14.21.
Undo the safety discharge valve union and remove the pipework.
Remove the securing clip and withdraw the safety discharge
valve, refer to section 14.15.
Remove securing clip 1 below hydroblock, see diagram 14.19.
Undo three securing screws on the underside of the left-hand
hydroblock.
Remove screw in back plate.
Lift out the left hand hydroblock.
Remove any remaining components for refitting into the
replacement left hand hydroblock.
Refill, vent and pressurise the boiler.
Check for any leaks.
14.28 Hydroblock Assembly Right-Hand
For access, refer to section 14.1.
Refer to section 12.8 to drain the boiler heating circuit.
Refer to diagram 14.15.
Undo the connector on the bottom of the return pipe from the
hydroblock.
Undo the nut connecting return pipe to heat exchanger.
Lift the return pipe up out of the way.
Diagram 14.17
10063
SEAL
FRONT
CASING
PANEL
INNER
CASING
PANEL
Diagram 14.18
12764
SIPHON
ADAPTER
CONDENSE
TRAP
FLOAT
SCREW