Commissioning - Baxi Main Combi Eco Installation & Service Instructions Manual

Screw
Pump
Fig. 59
Selector Switch
Display
Reset
Central Heating
Temperature Control
Fig. 61
© Baxi Heating UK Ltd 2011
Heat Exchanger
Automatic Air Vent
Fig. 58
Pump
Automatic Air
Vent
1
0
bar
Fig. 60
1
0
Domestic Hot Water
Temperature Control
1. Reference should be made to BS:EN 12828 & 14336 when
commissioning the boiler.
2. At the time of commissioning, complete all relevant
sections of the Benchmark Checklist at the rear of this
publications.
3. Open the mains water supply to the boiler.
4. Open all hot water taps to purge the DHW system.
5. Ensure that the filling loop is connected and open, then
open the heating flow and return valves on the boiler.
6. Open the screw on the automatic air vent on the pump
body (Fig. 59).
7. The system must be flushed in accordance with BS 7593
(see Section 6.2) and the flushing agent manufacturers
2
instructions.
3
4
8. Pressurise the system to 1.5 bar (Fig. 60) then close and
disconnect the filling loop.
Pressure Gauge
9. Turn the gas supply on and purge according to in GB BS
6891 and in IE I.S. 813 "Domestic Gas Installations".
10. Test for gas soundness.
2
3
4 11. Hinge the facia panel upwards and refit the case front
bar
panel. Tighten the securing screws.
12. Having checked:
Proceed to put the boiler into operation as follows:

11.0 Commissioning

11.1 Commissioning the Boiler
IMPORTANT: The heat exchanger air vent on top of the
boiler (Fig. 58) MUST be opened before filling the
primary system.
IMPORTANT: The combustion for this appliance has
been checked, adjusted and preset at the factory for
operation on the gas type specified on the appliance data
plate. No measurement of the combustion is necessary.
Do not adjust the air/gas ratio valve.
• That the boiler has been installed in accordance with
these instructions.
• The integrity of the flue system and the flue seals.
• The integrity of the boiler combustion circuit and the
relevant seals.
33