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General| Brand | Emerson |
|---|---|
| Model | 543-0033-02 |
| Category | Diagnostic Equipment |
| Language | English |
Explains the function of the POWER, ALERT (Yellow), and TRIP (Red) LEDs on the Comfort Alert module.
Describes Comfort Alert's role in troubleshooting HVAC system failures and its compatibility.
Emphasizes that the module is monitoring only and does not provide safety protection or control.
Details specific applications for different models and lists key benefits like diagnostic codes and trip indicators.
Outlines operating temperature, power supply range, power requirements, and UL restrictions for various models.
Critical safety warning regarding hazardous voltage and the need for qualified personnel for installation.
Explains how to route compressor run, common, and start wires through the Comfort Alert module.
Details the requirement for a constant 24VAC power supply and its connection to the module.
Describes connecting the thermostat demand signal (Y terminal) to the compressor contactor coil.
Explains using the L terminal to communicate Alert codes to compatible White-Rodgers thermostats.
Details wiring for two-stage cooling applications, connecting the Y2 thermostat wire to the module.
Describes the DC SOL connection for UltraTech second-stage compressor solenoids and its phase control method.
Guides on counting LED flashes to identify specific abnormal system conditions and fault codes.
Details functional tests for verifying correct installation and troubleshooting common installation issues.
Addresses how system configuration and safety switches affect alert display.
Describes manual and automatic methods for resetting alert codes and notes for specific models.
Provides detailed troubleshooting steps linked to specific LED status and flash codes for various system faults.
Lists indications of a miswired module and provides recommended troubleshooting actions to correct the problems.
Details the warranty period, coverage for defects, and exclusions for misuse, damage, or unauthorized alterations.
States Emerson's disclaimer of implied warranties and limitations on incidental or consequential damages.
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