General Checks; Handing Over; Safety - Keston HEAT 2 45 Installation & Servicing

2.31 GENERAL CHECKS

Make the following checks for correct operation.
1. The correct operation of ANY secondary system controls
should be proved. Operate each control separately and
check that the main burner or circulating pump, as the case
may be, responds.
2. Water circulation system;
a. With the system HOT examine all water connections for
soundness.
b. With the system still HOT, turn off the gas, water and
electricity supplies to the boiler and drain down to
complete the flushing process.

2.32 HANDING OVER

ROUTINE OPERATION
Full instructions covering routine lighting and operation of the
boiler are given in the User Guide located on the inside of the
lower controls door.
Draw the attention of the boiler owner or his representative to
the User Guide. Give a practical demonstration of the lighting
and shutting down of the boiler.
Describe the function of the boiler and system controls and
show how they are adjusted and used.
Hand these Installation and Servicing Instructions, and Log
book to the customer and request him to keep them in a safe
place for ready reference. Place the User Guide back into
the lower controls door. For IE, it is necessary to complete
a "Declaration of Conformity" to indicate compliance to the
appropriate standard.

2.33 SAFETY

It is the law that any service work must be carried out by a
Suitably qualified Gas Safe Registered Engineer. In IE service
work must be carried out by a competent person.
WARNING. Always turn off the gas supply at the gas
service cock, and switch off and disconnect the electricity
supply to the appliance and any external controls before
servicing or replacing components.
IMPORTANT.
After completing the servicing or replacement of components
always:
• Test for gas soundness.
• Check the water system is correctly filled and free of air. Air
in the boiler could cause damage to the heat exchanger.
For this reason the automatic air vent / vent tube in the left
top side must never be blocked.
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SECTION 2 - INSTALLATION
3. Check the condensate drain for leaks and check it is
4. Finally set the controls to the User's requirements.
Note. If an optional programmer kit is fitted then refer to the
instructions supplied with the kit.
IMPORTANT. Point out to the owner that the boiler must have
regular maintenance and cleaning, at least annually, in order
to ensure reliable and efficient operation. Regular attention
will also prolong the life of the boiler and should preferably be
performed at the end of the heating season.
After servicing, complete the service Section of the log book
and return to the owner or their representative.
Recommend that a contract for this work should be made with
the regional gas authority or a suitably qualified Gas Safe
Registered Engineer. In IE servicing work must be carried out
by a competent person.
c. Refill and vent the system, clear all air locks and again
check for water soundness.
d. Balance the system.
discharging correctly.
• Check the jacket front panel is correctly fitted, ensuring
that a good seal is made. Secure the controls fascia in
place.
• With the system hot examine all water connections for
soundness.
• Check the gas rate and measure the combustion CO/
CO content. The CO/CO
2 2
not be greater than 0.004 ratio & the CO should not
exceed 350ppm.
• Carry out functional checks as appropriate.
ratio of the flue gas should
Installation & Servicing