Frank- Your configuration seems a little different than mine- My cycle timer is on the side of the electric/control box where all of the circuitry is. The only time I use the purge timer is to reload the fire box. When you are ready to load turn the switch, the unit starts and clears the chamber of smoke and you can load the unit. If you just open the door when there is any fuel left in boiler you are adding air to a very volatile gas and could cause a blow back. That is why the purge timer is there- it allows the gasses to be pushed through the system so the unit can be loaded safely.
My unit has an oil burner attached- It sounds like you have a different boiler that runs in series with the Essex. That is probably good because the ERssex is not really efficient on oil. If i am on wood with the selector switch on auto and the unit runs out of fuel, the oil burner automatically kicks in to keep the boiler up to temp. If the switch is set on wood the unit will run until the boiler heats to temp or you shut it down manually.
If you need any pages from the manual I can probably scan them in and send them as an attachment to an email- Let me know- Jim
My unit has an oil burner attached- It sounds like you have a different boiler that runs in series with the Essex. That is probably good because the ERssex is not really efficient on oil. If i am on wood with the selector switch on auto and the unit runs out of fuel, the oil burner automatically kicks in to keep the boiler up to temp. If the switch is set on wood the unit will run until the boiler heats to temp or you shut it down manually.
If you need any pages from the manual I can probably scan them in and send them as an attachment to an email- Let me know- Jim