Final Commissioning; Final Assembly; User Information - Baxi LUNA HT 1.450 Installation And Servicing Instructions

1 Allow the heating system to heat up, then balance the system to achieve the necessary temperature difference
across the heating supply and return pipes at the boiler and check the system for proper volume and pressure.
(Refer to Technical Data, section 2).
2 Set the selector switch to 0 to turn off the boiler.
3 Thoroughly flush out the water pipework and clean the filters in the heating return and supply water isolating valves.
4 Re-pressurise the system as described in section 12.1.
1 Raise the control panel and secure in position with the screws previously removed.
2 Place the front casing in position over the boiler ensuring the bottom is located behind the control panel and secure
in position at the top using the screws previously removed.
3 If the boiler is to be left in service with the User, set the controls and room thermostat (if fitted).
4 If the boiler is not to be handed over immediately, close the boiler gas service cock and switch off the electrical supply..
5 If there is any possibility of the boiler being left during frost conditions, then the boiler and system should be drained.
(Refer to Component Replacement, section 15).
It is recommended that a label is attached to the boiler drawing attention to the fact that the system has been drained.
6 Complete the details of the installation on the back page of this manual.
The User must be advised (and demonstrated if necessary) of the following important points:
1 How to light and turn off the boiler and how to operate the system controls.
2 The importance of annual servicing of the boiler to ensure safe and efficient operation.
3 That any servicing or replacement of parts must only be carried out by qualified personnel.
4 Ensure that the boiler controls and room thermostat (if fitted) are set to the User's requirements.
5 Tell the User about the sealed system pressure.
6 Tell the User that if the display is active and the boiler has not operated for 24 hours for heating or hot water, the
pump will automatically operate for 5 minutes.
7 Explain to the User that an internal frost thermostat is fitted in the boiler, and that electrical supply to the boiler
must be left on for the thermostat to operate.
8 Show the User the position of the pressure relief valve discharge pipe.
9 Hand the User's instructions to the User.
10 Leave these Installation and Servicing instructions with the User for use on future calls.
INSTALLATION AND SERVICING INSTRUCTIONS

12.9 FINAL COMMISSIONING

12.10 FINAL ASSEMBLY

12.11 USER INFORMATION

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