Technical data

14
(condensate outlet pipe) is connected to the
outlet of the trap. The flexible pipe must be
connected to a plastic waste pipe only. The
plastic waste pipe must have a minimum of a 3º
fall towards the drain. Any external run of pipe
should be insulated to prevent the risk of freezing.
CONNECTING THE CONDENSATE OUTLET
Gently pull the condensate outlet pipe down from
its location inside the boiler until approximately
250 mm protrudes from the underside of the
boiler. Connect a suitable plastic (not copper)
pipe (no less than 20 mm diameter) to the outlet
pipe and ensure it discharges in accordance with
building regulations or other rules in force.
4.8 AUTOMATIC AIR RELEASE VALVE
Mount the AAV as shown in fig. 12.
4.9 ELECTRICAL CONNECTIONS
The electrical supply must be as specified in
section 3. A qualified electrician should connect
the electrical supply to the appliance. If controls
– external to the appliance – are required, a
competent person must undertake the design of
any external electrical circuits, please refer to
section 8 for detailed instructions.
ANY EXTERNAL CONTROL OR WIRING MUST
BE SERVED FROM THE SAME ISOLATOR AS
THAT OF THE APPLIANCE.
The supply cable from the isolator to the appliance
must be 3-core flexible sized 0.75 mm to BS
6500. Wiring to the appliance must be rated for
operation in contact with surfaces up to 90 ºC.
4.9.1 ELECTRICAL INPUT BOARD
The appliance electrical input board is located
behind the control fascia.
To gain access to the appliance electrical
connections you must proceed as follows:
● push to release front door panel and lower to
reveal controls. Loosen the 2 captive screws
securing the front control panel to the lower part
of the casing and lower to reveal inside of the
boiler (fig. 13A);
● remove the 4 screws securing the input board
cover (fig. 13B).
NOTE
The appliance comes with a factory fitted link to
allow basic operation of the boiler via the keypad.
If it is anticipated that external controls will be
required please refer to the wiring diagrams in
section 8 for more detailed information.
4.9.2 CONNECTING THE MAINS (230V) INPUT
(fig. 14)
Remove the electrical input board cover as
described in section 4.9.1. Pass the cable through
the cable anchorage. Connect the supply cable
wires (earth, live and neutral) to their
corresponding terminals on the electrical input
board. Ensure that the EARTH wire is left slightly
longer that the others, this will prevent strain on
the EARTH wire should the cable become taut.
Do not remove the link wire (between terminals 2
& 3 on plug M7) unless additional external controls
are to be fitted (see section 8). Re-fit the electrical
input board cover.
The securing screw on the cable anchorage
should now be tightened. This must be done
before the control fascia is re-fitted in the upright
position.
Fig. 13A
screws
Fig. 13B
Fig. 12
Fig. 14