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Table of Contents
Related Manuals for Emerson Comfort Alert 543-0033-00
Summary of Contents for Emerson Comfort Alert 543-0033-00
- Page 1 ™ 543-0033-00, 943-0033-00 User’s Manual...
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Page 2: Specifications
Comfort Alert™ Diagnostics – Faster Service And Improved Accuracy The Comfort Alert diagnostics module is a breakthrough innovation for troubleshooting heat pump and air conditioning system failures. The module installs easily in the electrical box of the outdoor unit near the compressor contactor. By monitoring and analyzing data from the Copeland Scroll compressor and the thermostat demand, the module ®... -
Page 3: Module Dimensions
Module Dimensions (Figure 2): 1.85 in (47 mm) 4.40 in (112mm) 2.44 in (62 mm) 2.44 in (62 mm) 1.46 in (37 mm) Figure 2 Hazardous voltage inside air conditioning system. Disconnect power before installing or servicing module. WARNING Module must be installed and serviced only by qualifi ed personnel. -
Page 4: Compressor Wire Routing
Compressor Wire Routing (Figure 3) The scroll compressor’s run (R), common (C) and start (S) wires are routed through the holes in the Comfort Alert module marked “R,” “C” and “S.” The common (C) wire need not be routed through the module for it to operate properly. 24VAC Power Wiring The Comfort Alert module requires a constant nominal 24VAC power... -
Page 5: Air Conditioning & Heat Pump Schematic
HPCO HTCO LPCO Comfort Alert Diagnostics Module 543-0033-00 DC SOL Ultra Tech Solenoid 529-0369-00 Indoor Unit Terminal Block Two Stage Indoor Thermostat Figure 4 Air Conditioning Schematic Schematic Abbrevation Descriptions HTCO High Temperature Cut Out Switch Compressor Contactor HPCO High Pressure Cut Out Switch LPCO Low Pressure Cut Out Switch HPCO HTCO... -
Page 6: Dc Sol Connection
Thermostat Second Stage Cooling Wiring This Comfort Alert module requires a two stage thermostat to operate properly. The Y2 thermostat wire coming into the outdoor unit should be connected to the Y2 input on Comfort Alert. While the compressor is running, Comfort Alert will provide power to the second stage cooling solenoid inside the compressor after Y2 has been energized for 5 seconds. - Page 7 Interpreting The Diagnostic LEDs When an abnormal system condition occurs, the Comfort Alert module displays the appropriate ALERT and/or TRIP LED. The yellow ALERT LED will fl ash a number of times consecutively, pause and then repeat the process. To identify a Flash Code number, count the number of consecutive fl...
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Page 8: Diagnostic Leds
Status LED Troubleshooting Information Status LED Status LED Description Green “POWER” Module has power Supply voltage is present at module terminals Thermostat demand signal Y is 1.Compressor protector is open Red “TRIP” present, but the compressor is •Check for high head pressure not running •Check compressor supply voltage 2.Outdoor unit power disconnect is open... - Page 9 Status LED Status LED Description Status LED Troubleshooting Information 1. Thermostat demand signal is intermittent Yellow “ALERT” Short Cycling 2. Time delay relay or control board defective Flash Code 3 Compressor is running 3. If high pressure switch present go to Flash Code 2 information only briefl...
- Page 10 NOTE: The correct Comfort Alert model must be used for the application (refer to the Product Specifi cation section on pages 2 and 3). If the wrong model is installed, the ALERT Flash Codes for system faults will function incorrectly: the Comfort Alert module may indicate system faults that are not present or fail to indicate system faults that are present.
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Page 11: Warranty Information
Warranty Information Copeland Corporation warrants its enclosed diagnostic module to be free from defects in materials and workmanship under normal use for a period of one year from the date of purchase or twenty months from manufacture whichever comes fi rst. During this period, Copeland Corporation will replace any defective diagnostic module without charge. - Page 12 Patent 6, 615, 594 and Additional Patents Pending Form No. 2004ECT-208 R2 Revised 3/05 Emerson Climate Technologies is a service mark and a trademark of Emerson Electric Co. Comfort Alert is a trademark of Copeland Corporation. Printed in the U.S.A. © 2005, 2004 Copeland Corporation.