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Technical Literature Department 37 of 52 Ashland City, TN © 2008
Servicing should only be performed by a Qualified Service Agent
ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL
CCB (CONT)
J1 Socket - Transformer
J2 Socket - 120 VAC To Blower
J3 Socket - 120 VAC Power Supply
J4 Flame Sensor - Male Spade Connector
J5 Socket - Igniter 120 VAC HSI (hot surface igniter - Silicon Carbide)
J6 Socket - Gas Valve, Pressure Switches, Enable/Disable Circuit
PIN # DESCRIPTION
1 120 VAC hot to transformer
2 Not used
3 120 VAC neutral to transformer
4 24 VAC out from transformer
5 24 VAC out from transformer
PIN # DESCRIPTION
1 120 VAC hot to blower
2 120 VAC neutral to blower
3 Not used
4 Not used
PIN # DESCRIPTION
1 120 VAC hot
2 Earth Ground
3 120 VAC neutral
PIN # DESCRIPTION
1 120 VAC hot
2 120 VAC neutral
PIN # DESCRIPTION
1 Not used
2 Gas valve - 24 VAC
3 Not used
4 Blocked Intake air pressure switch
5 Blocked Exhaust air pressure switch
6 Blower Prover air pressure switch
7 Blower Prover air pressure switch
8 Enable/disable external control circuit - jumper installed from factory
9 Not used
10 Blocked Exhaust air pressure switch
11 Enable/disable external control circuit - jumper installed from factory
12 Not used
13 Not used
14 Blocked Intake air pressure switch
15 Gas valve - 24 VAC