Furnace Control Control - replacement for Carrier LH33WP003/3A control boards
Specifications:
Control Voltage: 24 VAC (18-30 VAC), 60Hz
Line Voltage: 208/230 VAC, 60Hz
Timing:
- Pre-Purge: 45 seconds
- Trial for Ignition: 5+2 seconds
- Retry Period: Every 20 seconds for 15 minutes
- Lockout: Manual reset
- Post-Purge: 45 seconds
LED Indicators:
- Red LED: Steady ON-normal operation;
Flashing-fault codes Inputs:
- Power: RT and C
- Thermostat Interface: R,W, and G
- Safety Switches: RS, LS, and CS
- Combustion Motor Hall Effect Sensor
Flame Sensing Outputs:
- Spark - Gas Valve: GV
- Combustion Motor: CM
- Blower Motor: BM
- Indoor Fan Motor: IFO
Low cost form, fit and functional replacement for Carrier: LH33WP003A
Direct Spark Ignition (DSI) control board
Microprocessor-based
Controls combustion, blower and indoor fan motors; spark ignitor; and the gas valve
Monitors timing, trial for ignition, flame sensing and lockout
100% lockout safety feature
Compatible with LP or Natural Gas
Status LED for fault
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