Bedienungsanleitung Stovax View 7 Inset High Output Boiler Inset (Seite 29 von 44) (Englisch)

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1. Commissioning

1.1 To commission:

— Replace the internal components.

— Check the door alignment and catch operation, adjust if

required, see Maintenance & Servicing, Section 5.

— Check the soundness of door seals, castings and joints.

— Check the operation of the air controls.

— Ensure the system has been filled with water and

includes a suitable inhibitor.

1.2 Now carry out a final smoke draw test:

— First warming the flue with a blowlamp, or similar, for

about 10 minutes.

— Place a smoke pellet on the centre of the grate, with the

air controls open.

— Close the door. Smoke should now be drawn up the flue

and be seen to exit from the flue terminal.

— Complete test with all doors and windows closed in the

room where the appliance is fitted.

— If there are any extractor fans in adjacent rooms, the test

must be repeated with the fans running on maximum and

interconnecting doors open.

— Check the effect of ceiling fans during the test.

If the test fails, re-check the suitability of the flue system

and ventilation. An inadequate air supply to the room is

potentially dangerous.

— Light the appliance and slowly increase the temperature

to operating levels.

— Ensure no combustion products enter the room.

— Open the main fire door when the appliance reaches

operating condition and carry out a spillage test with a

smoke match or pellet around the door opening.

— Run the system up to temperature.

BALANCING THE SYSTEM

It is essential to balance the central heating system in

order to achieve an even heating performance across all of

the radiators in the house. Balanced means each radiator

havinga10˚Cdifferenceintemperaturebetweentheflow

andthereturn,ideally80˚Cflowand70˚Creturn.

Have the system running and adjust the appliance

thermostat so that the flow temperature measured near

theapplianceisapproximately80˚C.Ensurethatallvalves

including lock-shield valves are in the fully open position

and the pump is at its estimated correct speed. If there

are thermostatic radiator valves, have these on maximum

setting and ensure that they do not activate.

Ensure that the radiators have been bled of air.

Write down the return temperature of each radiator in turn

and its difference to the flow temperature at the appliance.

Make sure that the flow temperature remains constant.

The radiator with the greatest difference (the index radiator)

and any other radiator within 1 degree should be left with

the lock-shield fully open. The remainder of the lock-shield

valves should be closed to about 1/3 open. Leave the

system to stabilise, this could take some time.

When the system has stabilised, write down the new

difference between the flow and return temperatures and

any which differ from the index radiator by more than 1

degree will need further adjustment, some valves will have

been closed too much and others not enough, usually the

adjustments need to be only a fraction of a turn at a time.

Leave sufficient time for the system to stabilise after each

adjustment.

When the radiator temperatures are starting to become

consistent, but before final adjustments, the index radiator

needs to be considered, if the return temperature of this

radiator is not near 70 degrees then the pump will need

to be adjusted to either provide more (to increase the

temperature) or less flow to decrease the temperature.

Again, sufficient time will need to be left to allow the system

to stabilise after adjusting the pump speed.

When the radiator flow and return temperatures are correct

the final adjustments can be made and the lock-shield

covers replaced.

Knowing how far to shut down a valve to get the desired

change in flow and return temperature, and knowing how

long to wait for the system to stabilise, takes a little time and

practice.

1.3 If excessive spillage occurs:

— Allow the appliance to cool and re-check the flue system

and ventilation.

1.4 Finally:

— Explain the safe operation of the appliance and the

use of the controls to the user and the importance of

only using suitable fuels.

— Ensure that a thermostat has been fitted and make

the user aware of its operation and importance.

— Ensure that a CO alarm has been fitted and make the

user aware of its operation and importance, referring

them to the Warning section on page 6 of the User

Instructions.

— Explain the cleaning and routine maintenance

requirements.

— Explain the requirement to use a suitable fireguard

when children, elderly or infirm persons are near the

appliance.

—Record dealer/supplier and installer details

in Appliance Commissioning Checklist (page 3,

Instructions for Use).

—Record serial number in Appliance Commissioning

Checklist (page 3, Instructions for Use). This number

is required when ordering spare parts and making

warranty claims.

— Give the copy of the Instructions to the customer.

Commissioning

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