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12
4.6.4
COLD WATER INLET (see fig. 12)
The appliance is supplied with a 15mm service
valve, connect a 15mm pipe to the inlet of the
valve and tighten both nuts.
4.6.5
HOT WATER OUTLET (see fig. 12)
The appliance is supplied with a 15mm male
connector. Using a suitable coupling, connect a
15mm pipe to the supplied connector and tighten
the nut.
4.7
CONDENSATE OUTLET (see fig. 12)
During normal operation the boiler produces
condensate which is collected in a trap located in
the lower part of the boiler. A flexible pipe
(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 3
°
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
250mm protrudes from the underside of the boiler.
Connect a suitable pipe (no less than 20mm
diameter) to the outlet pipe and ensure it
discharges in accordance with building regulations
or other rules in force.
4.8
ELECTRICAL CONNECTIONS
The electrical supply must be as specified in 3.7.
A qualified electrician should connect the electri-
cal 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 0,75mm to BS 6500.
Wiring to the appliance must be rated for opera-
tion in contact with surfaces up to 90
°
C.
Fig. 12
4.8.1
CASING REMOVAL
To gain access to the appliance electrical con-
nections you must first remove the casing, pro-
ceed as follows:
●
locate and remove the 2 screws that secure the
controls fascia to the appliance casing (see fig. 13).
●
locate and remove the 2 screws that secure the
casing to the back frame of the boiler (see fig. 13).
●
gently pull one side of the casing then the other
to disengage it from the retaining clips.
●
lift the casing upward to disengage it from the
top locating hooks and then remove.
●
store the casing and screws safely until required.
Re-fit in the reverse order.
4.8.2
ELECTRICAL INPUT BOARD
The appliance electrical input board is
located behind the control fascia (see fig.14).
Locate and remove the 4 screws securing
the input board cover.
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.
Fig.13
Fig.14
Safety valve
outlet
Condensate
outlet pipe
Hot water
outlet
Flow
Cold water
inlet
Return
Gas
Cable
entries