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2. Auxiliary Code C-1 and Later
LED 3
LED 2
LED 1
COLD
WARM
COLD
WARM
• 24VAC Control Board Power Supply
B–24VAC Control Board Power Supply (R)
W–Neutral (LBU)
• TH1 Connector
Thermistor
• B1 Connector
Hot Gas Valve
• X1 Relay
Hot Gas Valve
Pump Motor
Fan Motor
• TH2 Connector
Thermistor
• LED 3
Hot Gas Valve
• X2 Relay
Inlet Water Valve
• C1 Connector
115VAC X1 Relay Component Power Supply (hot gas valve, pump motor, and fan motor)
• C2 Connector
115VAC X2 Relay Component Power Supply
(inlet water valve)
• A1 Connector
Pump Motor
Fan Motor
• A2 Connector
Inlet Water Valve
• LED 2
Pump Motor
Fan Motor
• LED 1 (ashes)
24VAC Power OK
• Harvest Control
Do not adjust
• Freeze Control