56
16.3
SAVING PARAMETERS
Please note that the brackets ([]) denote screen status.
16.3.1
TO
SAVE
PARAMETERS
AND
EXIT
PROGRAMMING
Press the RIGHT SELECT (SAVE) key and then press the RIGHT SELECT (HOME) KEY.
16.3.2
TO
ENTER
A
PARAMETER
AND
CONTINUE
PROGRAMMING
Press the RIGHT SELECT (SAVE) key 1 time to return to the parameter listings, press again to return to the menu
listings. Remember to press the RIGHT SELECT key when programming is completed in order to save the changes
made.
16.3.3
SEQUENCE
OF
OPERATION
Operation
Display
1
Upon a call for heat , the gas pressure switch(s) must be
closed
2
Once the gas pressure switch(s) are closed the control turns
on the appropriate pumps. The flow switch and or LWCO
must close
3
The control turns on power to the louvre relay, the louvre
proving switch and blocked drain switch must close
4 The control starts the pre-purge cycle by initiating the fan
5
The control starts the trial for ignition by firing the spark
electrode and opening the gas valve
Summary of Contents for HERALD HCB116CE
Page 8: ...8 3 1 2 PRINCIPLE PARTS TO BE USED IN CONJUNCTION WITH TABLE 3 1 1...
Page 31: ...31 Max distance between brackets...
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Page 37: ...37...
Page 53: ...53 15 8 WIRING DIAGRAM 15 8 1 WIRING DIAGRAM...
Page 54: ...54 15 9 LADDER DIAGRAM 15 9 1 LADDER DIAGRAM...
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