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Trane Precedent YZC036E - Page 5

Trane Precedent YZC036E
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Table of Contents
RT-SVX46G-EN 5
Annual Maintenance . . . . . . . . . . . . . . . . . . 49
Final Process . . . . . . . . . . . . . . . . . . . . . . . 49
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 50
ReliaTel™ Control . . . . . . . . . . . . . . . . . . . . 50
System Status Checkout Procedure . . . . . 50
Method 1 . . . . . . . . . . . . . . . . . . . . . . . . . . 50
System failure . . . . . . . . . . . . . . . . . . . . . . 51
Heating Failure . . . . . . . . . . . . . . . . . . . . . 51
Cooling Failure . . . . . . . . . . . . . . . . . . . . . 51
Service Failure . . . . . . . . . . . . . . . . . . . . . 51
Simultaneous Heat and Cool Failure . . . 51
Resetting Cooling and Ignition Lockouts 52
Zone Temperature Sensor (ZTS) Service Indi-
cator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Clogged Filter Switch . . . . . . . . . . . . . . . . 52
Fan Failure Switch . . . . . . . . . . . . . . . . . . 52
Condensate Overflow Switch . . . . . . . . . 52
Zone Temperature Sensor (ZTS) Tests . . 52
Test 4 - LED Indicator Test, (SYS ON, HEAT,
COOL and SERVICE) . . . . . . . . . . . . . . . . . 53
Relative Humidity Sensor Test . . . . . . . . 53
Programmable and Digital Zone Sensor
Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
ReliaTel™ Refrigeration Module (RTRM) De-
fault Chart . . . . . . . . . . . . . . . . . . . . . . . . . 53
Unit Operation without a Zone Sensor . . 53
Unit Economizer Control (ECA) Troubleshoot-
ing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
ReliaTel™ Control . . . . . . . . . . . . . . . . . . 54
Heating Failure . . . . . . . . . . . . . . . . . . . . . 55
Cooling Failure . . . . . . . . . . . . . . . . . . . . . 55
Resetting Cooling and Ignition Lockouts 55
Compressor Inverter Drive . . . . . . . . . . . 55
Unit Wiring Diagrams Numbers . . . . . . . . . . 56
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . 57
Combination Gas Electric Air Conditioner 57
YZC (Parts Only) . . . . . . . . . . . . . . . . . . . . 57
Models Less Than 20 Tons for Commercial
Use* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table of Contents

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