Baxi Potterton 21 SL Service Manual download pdf (Page 24)

9.0 COMMISSIONING

9.1 Commissioning the Boiler

1. Reference should be made to BS 5449 Section 5

when commissioning the boiler.

2. Open the mains water supply to the boiler.

3. Open all hot water taps to purge the DHW system.

4. Ensure that the filling loop is connected and open,

then open the heating flow and return valves on the

boiler.

5. Open the screw on the automatic air vent (Fig. 40).

6. The system must be flushed in accordance with BS

7593 (see Section 6.2) and the flushing agent

manufacturers instructions.

7. Pressurise the system to at least 0.5 bar then close

and disconnect the filling loop (Fig. 39).

8. Turn the gas supply on and purge the system

according to in GB BS 6891 and in IE I.S. 813

“Domestic Gas Installations”.

9. Test for gas soundness.

10. If at any time during commissioning it is required to

terminate a particular cycle, turn the selector to the

OFF position and then back to either ( ) or ( )

(Fig. 41).

Automatic Air Vent

Pressure Gauge

Screw

bar

Selector Switch

Central Heating

Temperature Control

Hot Water

Temperature Control

Fig. 40

Fig. 41

Fig. 39

bar

Reset

Burner On

Flame Failure

Power On

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 47 48

No comments

Baxi Potterton 21 SL Service Manual Page 24