15
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15.
INTEJAN CIRCULATOR COMMISSIONING
15.1
PREPARATION
15.1.1 Ensure that the gas and electrical supplies are
OFF
.
15.1.2 Fill the water circulation system, clear any air locks and check for water tightness, sealing any leaks
detected.
15.1.3 Refit the sealing panel and secure using the fixing screws.
NOTE:
Whilst the sealing panel needs to be fixed in such a manner so as to ensure an air tight seal, care
MUST be taken not to over tighten the fixing screws.
15.2
LIGHTING IGNITION & MAIN BURNERS:
15.2.1 Turn on the gas supply to the heater.
15.2.2 Set both the “AIR HEATER” and “WATER HEATER” switches on the time control unit to the “OFF”
position.
15.2.3 Set the thermostat so that it reaches the maximum stop.
15.2.4 Locate the LED status indicator which can be observed through the inspection hole at the bottom
right hand corner of the control module.
15.2.5 Turn on the mains power supply to the heater.
15.2.6 Set the “WATER HEATER” switch on the time control to “CONT.” and observe the LED status
indicator.
15.2.7 Whilst the control module runs through its diagnostic cycle the decimal point (DP) in the bottom
right hand corner of the LED display will flash continuously.
15.2.8 The igniter will spark for a maximum period of 60 seconds during which time the ignition burner and
main burner SHOULD ignite and the igniter will stop.
15.2.9 When the control module reaches stage 8, (indicated by “8” on the LED) power is fed to the gas
valve and the green LED “ON” light on the indicator panel will illuminate. After a period of approx.
5 seconds, the module will move on to stage 9 (indicated by “9” on the LED).
NOTE:
Regardless of when the burner ignites during the 60 second period, the LED will continue to display
stage 9.
15.2.10 If, after the 60 second period, the main burner has ignited the LED indicator will show “0” and the
green LED “ON” light on the indicator panel will remain steady.
15.2.11 If the main burner fails to ignite, the red LED marked “LOCKOUT” will illuminate on the display panel
and the LED status indicator will display an alphanumeric character relevant the fault detected.
FIGURE 12. TYPICAL INTEJAN INDIRECT SYSTEM APPLICATION
