WARNING.
DO NOT SMOKE.
A. Electrical Installation
1. Checks to ensure electrical safety should be carried out by a
competent person.
2. ALWAYS carry out the preliminary electrical system checks,
i.e. earth continuity, polarity, resistance to earth and short
circuit, using a suitable test meter.
3. After wiring the boiler, all grommets in the bottom panel
MUST be in place to ensure that the boiler case sealing is
maintained.
B. Gas Installation
1. The whole of the gas installation, including the meter,
should be inspected and tested for tightness and purged in
accordance with the recommendations of BS. 6891.
In IE refer to IS.813:2002.
2. Purge air from the gas installation by the approved methods
only.
31
COMMISSIONING AND TESTING
GENERAL
Please Note: The combustion for this
appliance has been checked, adjusted and
preset at the factory for operation on the gas
type dened on the appliance data plate. DO
NOT adjust the air/gas ratio valve.
Having checked:
- That the boiler has been installed in
accordance with these instructions.
- The integrity of the ue system and
the ue seals, as described in the Flue
Installation section.
Proceed to put the boiler into operation as
follows:
CHECK THE OPERATIONAL
Set up the boiler to operate at maximum rate
by opening hot tap to maximum ow.
With the boiler operating in the maximum rate
condition check that the operational (working)
gas pressure at the inlet gas pressure test
point complies with the
requirements - refer to
“Gas Supply” on page
10.
Ensure that this inlet
pressure can be
obtained with all other
gas appliances in the
property working.
Function
When the boiler has been installed for more than 1 year the following
message will appear on the screen:
“12 Month Service Interval Request”
To cancel this message move the Mode knob into the restart position and
hold for 3 seconds.
Function
The Air Venting function should not be required for this boiler.
• The Air Venting function operates for 5 mins as follows:
• Pump On for 50 s, Pump Off for 10s (repeats 5 times)
• Diverter valve in hot water position for 30s then CH position for 30s
(repeats 5 times)
• The function ends automatically.
To activate the Air Venting function proceed as follows:
Turn the DHW temperature control knob fully anti-clockwise.
Turn the CH ow temperature control knob fully anti-clockwise.
Turn and hold the Mode Knob in the restart position for more than 5s and
then turn it to the Winter or Summer position
The boiler will display “Installer Mode”
If no faults have occurred the boiler will display “No Faults”
If any faults have occurred a list of faults up to a maximum of 10 including
the type of fault and how long ago it occurred will be shown.
The boiler will then display the current values of ow temperature, return
temperature, domestic hot water temperature, DHW ow rate and diverter
valve position.
Next the boiler will display
“Venting Boiler OFF” - “For Activation change Pre-heat Mode”
Now move the pre-heat knob and the Air Venting Function will begin, the
boiler will display:
“Venting Boiler Off” - “Pump and Diverter Valve Cycling” - Duration 5
mins” - “Restart to End”
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