J OIL-E-08 2008
Spirax High Integrity Level Controls
The daily testing of boiler water level controls is a mandatory requirement as defined in the Health & Safety
Executive Guidance Note PM5.
The level of supervision is dependent upon the type of level controls (limiters) fitted.
Boilers fitted with self monitoring high integrity controls (limiters) should be tested daily by a qualified boiler at
-
tendant, but may be supervised during the silent hours and weekends by a Competent Person trained to re-
spond to an alarm.
Daily testing of the controls is required which can be by simulation, with a weekly test by interrupting the feed
water pump and lowering the water by evaporation.
Daily Test
1st. Low Water
1.
With the burner firing
2.
Press and hold the 1st. Low Water test button until (minimum 15 seconds) the low water alarm
sounds, and the low water indicator lamp illuminates, and the burner shuts down
3.
Release the test button
4.
After approximately 17 seconds the low water alarm will cancel, the low water lamp will
extinguish, and the burner will restart
2nd. Low Water
1.
With the burner firing
2.
Press and hold the 2nd. Low Water test button until (minimum 15 seconds) the low water alarm
sounds, and the second low water reset switch illuminates, and the burner shuts down
3.
Release the test button
4.
After approximately 17 seconds the second low water relay will reset.
5.
To cancel the second low water level alarm and light, depress the second low water reset switch
6.
The burner will restart.
C
C
Appendix ‘C’
38
Summary of Contents for 10J
Page 42: ...J OIL E 08 2008...
Page 56: ...J OIL E 08 2008 A0 2 1 BOILER OIL 1 2 3 4 5 6 December 12 2004...
Page 76: ...J OIL E 08 2008 F1 4 1 WATER LEVEL GAUGE ASSEMBLY 6 60 350mm and 300mm Clifton December 2004...
Page 84: ...J OIL E 08 2008 H1 1 1 PUMP FEED WATER 1 December 2004...
Page 86: ......
