Lennox Baltic BCK 020, Руководство по установке, эксплуатации и техническому обслуживанию

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Page 48 - IOM / ROOFTOP BALTIC Series - 0
8
03 - E
HEATING: gas burner
BURNER SAFETY CHECKS
Smoke extractor pressure switch Test.
- With the gas burner running, disconnect the flexible tube
fitted to the pressure taping on the pressure switch (fig. 65).
- The Flame must disappear and the extraction fan must
carry on running.
- However, NO fault will be displayed (Gas ignition control
block or CLIMATIC).
- After reconnecting the tube, the Burner will restart after a
period of 30 to 45 seconds pre-ventilation.
Gas pressure switch test
-With the gas burner running, close the shut off valve
located before the rooftop.
-The burner stops completely.
-However, No fault light will be displayed on the Gas ignition
control block.. After 6 Minutes, the CLIMATIC will display a
fault.
-Reset the CLIMATIC.
I onisation Probe test
-With the gas burner running, disconnect the terminal plug
coming from the ionisation probe to the gas ignition control
box.
-The flame disappears
-The fan is still running and attempting to restart the burner
(restart cycle 30 to 45 seconds).
-if the ignition probe is not reconnected at the end of the
ignition sequence the burner will stop completely.
-The fault light on the gas ignition control block is ON.
-Manually reset the gas ignition control block to eliminate
the fault.
IN CASE OF PROBLEMS REFER TO THE START UP
SEQUENCE FLOWCHART NEXT PAGE
Fig. 65
Fig. 66
Fig. 67