Well troop, been trying to help a friend with a dead Prodigy 2
The exhaust fan would not come on when starting the stove, and as such the thing was useless.
The little Whit has a draft booster in the exhaust housing that is run via a relay, and the relay is not serviced by Lennox any longer.
I did some serious SNOOOOOOOOOOOOOOOOOOPING, and came up with some good info.
SSAC built the original relays, but they were a contract item and not available through them directly.
SSAC builds a unit that will work fine.
It seems that Whitfield replaced the original relay in a running change at stove #7176
The relay switched from a 5 terminal to a 4 terminal.
Here is the tech bulletin that covers it.
Here is the link to SSAC
SSAC
The relay that will work is as follows SIR2B20A4
This is a zero voltage switching unit (SIR2) rated at 90-150 volt (control) terms 4 and 5 (The B)
20 amp (the 20)
Normally open (The A)
120V AC (The 4) across terms 1 and 3
The service bulletin shows the wiring.
Remove the resistor between the relay and the motor if its in your system.
This item is nearly a bolt in.
Pretty much a plug and play.
Our friends at wood heat stoves in Cal have a nice replacement control board, so this should make life good for the little prodigy.
Hope this helps
Snowy
The exhaust fan would not come on when starting the stove, and as such the thing was useless.
The little Whit has a draft booster in the exhaust housing that is run via a relay, and the relay is not serviced by Lennox any longer.
I did some serious SNOOOOOOOOOOOOOOOOOOPING, and came up with some good info.
SSAC built the original relays, but they were a contract item and not available through them directly.
SSAC builds a unit that will work fine.
It seems that Whitfield replaced the original relay in a running change at stove #7176
The relay switched from a 5 terminal to a 4 terminal.
Here is the tech bulletin that covers it.
Here is the link to SSAC
SSAC
The relay that will work is as follows SIR2B20A4
This is a zero voltage switching unit (SIR2) rated at 90-150 volt (control) terms 4 and 5 (The B)
20 amp (the 20)
Normally open (The A)
120V AC (The 4) across terms 1 and 3
The service bulletin shows the wiring.
Remove the resistor between the relay and the motor if its in your system.
This item is nearly a bolt in.
Pretty much a plug and play.
Our friends at wood heat stoves in Cal have a nice replacement control board, so this should make life good for the little prodigy.
Hope this helps
Snowy
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