Emerson Comfort Alert 543-0033-00 User Manual Download Page 1 | Manualshive

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User’s Manual

543-0033-00, 943-0033-00

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Summary of Contents for Comfort Alert 543-0033-00

Page 1: ...1 User s Manual 543 0033 00 943 0033 00 ...

Page 2: ... system condition through a unique ﬂash code The ALERT LED will ﬂash a number of times consecutively pause and then repeat the process The number of consecutive ﬂashes deﬁned as the Flash Code correlates to a particular abnormal condition Detailed descriptions of specific ALERT Flash Codes are shown in two tables on pages 8 and 9 of this manual TRIP LED Red indicates there is a demand signal from ...

Page 3: ...ompressor contactor wire routing for compressor run common and start wires will be easier in this position Mount the Comfort Alert module so all LEDs are visible from a comfortable viewing position The module will operate in any mounting orientation For ease of reading labels the module should be oriented so that the green POWER LED is at the top WARNING Hazardous voltage inside air conditioning s...

Page 4: ...spare wires in the thermostat cable to bring power to the module Connect the other end of the spare wire to R at the indoor unit or thermostat Refer to wiring schematic in Figure 4 and 5 Thermostat Demand Wiring The ComfortAlert module requires a thermostat demand signal to operate properly The thermostat demand signal input labeled Y on the module should always be connected to the compressor cont...

Page 5: ...033 00 Y2 C R L Y1 Indoor Unit Terminal Block Two Stage Indoor Thermostat Ultra Tech Solenoid 529 0369 00 HPCO HTCO CC LPCO Y2 Y L R C DC SOL Y2 C R L Y1 Comfort Alert Diagnostics Module 543 0033 00 Y2 C R L Y1 Indoor Unit Terminal Block Defrost Board Schematic Abbrevation Descriptions HTCO High Temperature Cut Out Switch CC Compressor Contactor HPCO High Pressure Cut Out Switch LPCO Low Pressure ...

Page 6: ...hite Rodgers thermostats an icon on the thermostat display will ﬂash at the same rate as the Comfort Alert yellow Alert LED An advanced option on these thermostats is to lock out the compressor when certainAlert codes are detected indicating impending compressor damage Refer to White Rodgers thermostat manuals for more information DC SOL Connection The two pin DC SOL connector provides a connectio...

Page 7: ...t LED will begin ﬂashing a Code 8 indicating a Welded Contactor Disconnect power from the compressor and 24VAC from Comfort Alert While Comfort Alert is off reattach the wire to the Y terminal Reapply power to compressor and 24VAC to Comfort Alert the yellow Alert LED will ﬂash the previous code 8 for 1 minute and then turn off If the yellow LED does not function as described refer to Table 1 to v...

Page 8: ...ck for excessively low thermostat setting Check evaporator airﬂow coil blockages or return air ﬁlter Check ductwork or registers for blockage 4 Faulty metering device Check TXV bulb installation size location and contact Check if TXV ﬁxed oriﬁce is stuck closed or defective 5 Condenser coil is dirty 6 Liquid line restriction ﬁlter drier blocked if present in system 7 Compressor Second Stage Coolin...

Page 9: ... wiring or connections 6 Unusually long compressor protector reset time due to extreme ambient temperature 7 Compressor windings are damaged Check compressor motor winding resistance Yellow ALERT Flash Code 6 Open Start Circuit Current only in run circuit 1 Run capacitor has failed 2 Open circuit in compressor start wiring or connections Check wiring and connectors between supply and the compresso...

Page 10: ... OK coil Verify voltage at contactor coil falls below 0 5VAC when off Verify 24VAC is present across Y and C when thermostat demand signal is present If not R and C are reverse wired TRIP LED and ALERT LED Verify R and C terminals are supplied with 19 28VAC ﬂashing together ALERT Flash Code 3 Verify Y terminal is connected to 24VAC at contactor coil Compressor Short Cycling Verify voltage at conta...

Page 11: ...of the product use on improper voltage or current use contrary to the operating instructions disassembly repair or alteration by anyone other than Copeland Corporation Further the warranty does not cover acts of God such as ﬁre ﬂood hurricanes and tornadoes COPELAND CORPORATION MAKES NO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE WITH RESPECT TO THE COMFORT ALERT MODULE...

Page 12: ...ents 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 ...

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