Technical information

Installation and servicing instructions strictly reserved
for qualified gas installers
51
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 the cap at the base of the condense
trap.
Remove any solids found.
Before removing the float note it's orientation.
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 float, take care as it can be
fitted the wrong way.
When refitting the cap ensure that a watertight seal
is achieved, but do not use excessive force.
Using a suitable container, flush the heat
exchanger until the water appears clear in the
container. Reassemble siphon adapter.
13.17 Inner Casing Sealing Panel
Refer to section 11.7.
13.18 Access to Switches, User
Interface and 230v controls Interface
For access, refer to section 13.1.
Release the front of the controls fascia by carefully
prising up the two retaining latches, see diagram
11.7.
Do not allow the front of the fascia to swing down
and be loosely held by the electrical connections to
the mains reset switch and user interface. Either
remove the connections or support the fascia.
Diagram 13.9
ELECTRICAL
CONNECTIONS
SWITCH
SWITCH
COVER
12614
13.19 Mains Reset Switch
Refer to section 13.18 for access.
Remove switch from housing, see diagram
13.9.
Remove electrical leads.
13.20 Mains Reset Slider
Refer to section 13.18 for access.
Remove slider by springing back retaining clip
and pushing out from the back.
13.21 User Interface
Refer to section 13.18 for access and diagram
13.10.
Remove electrical plug.
Remove the three securing screws.
Withdraw the board.
When replacing the board refer to instructions
supplied with replacement PCB on setting it up.