Trane Foundation EDK090

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RT-SVX096A-EN

actions. Mitigation actions may be verified by disconnecting

the sensor.

The refrigerant sensors do not need service. Use only

manufacturer-approved sensors when replacement is

required.

A2L Information

Main Page

Warnings, Cautions, and Notices2
Overview of Manual3
Product Safety Information4
Table of Contents5
Model Number Description7
General Information8
Overview of Manual8
Unit Inspection8
Exterior Inspection8
Inspection for Concealed Damage8
Unit Storage8
Electrical Shock Hazard9
Unit Description9
Functions9
Sensors9
Dimensional Data11
Weights16
Rigging16
A2L Information18
A2L Work Procedures18
Servicing18
Leak Detection19
Evacuation19
Refrigerant Charging19
Decommissioning20
A2L Application Considerations20
Ignition Sources in Ductwork20
Ignition Sources in Unit20
Minimum Room Area Limits21
Per Circuit)21
Leak Detection System22
Circuit)22
Installation24
Unit Foundation24
Ductwork24
General Unit Requirements24
Requirements25
External Vent Hood Installation25
Condensate Drain Configuration25
Filter Installation25
Field Installed Power Wiring26
Main Unit Power26
Standard Wiring26
Control Power Transformer26
Controls Using 24 Vac26
Gas Heat Data28
Voltage Imbalance29
Electrical Phasing (Three Phase Motors)29
Hazardous Voltage29
Checklist30
External Unit Power Supply30
Unit Disconnect Wiring Plan30
Through-The-Base Gas Utility Option31
Field Installed Connections31
Refrigerant Sensor32
Pre Start34
Verifying Proper Air Flow (Units with Belt Drive Indoor Fan)34
Electromechanical Controls - Test34
Procedure34
Start-Up35
Electromechanical Controls - Sequence of35
Operation35
Cooling Without an Economizer35
Evaporator Fan Operation (for Gas Units) - Standard Economizer35
Evaporator Fan Operation35
Only Units) - Standard35
Economizer35
Economizer Set-Up - Standard35
Cooling with an Economizer - Standard35
Heating Operation (for Gas Units) - Standard Economizer36
Ignition Module Low, Medium and High36
Heat36
Two-Speed Indoor Fan Control36
Cooling Operation36
Low Pressure Cutout36
High Pressure Cutout and Temperature37
Discharge Limit37
Heating Operation37
Emergency Stop37
Compressor Start-Up37
Heating Start-Up38
Final System Setup38
Refrigerant Charge and Room Area38
Limitations38
Important Service Precautions41
Maintenance44
Fan Belt Adjustment-Belt Drive Units44
Monthly Maintenance46
Filters46
Condensate Overflow Switch46
Cooling Season46
Heating Season47
Coil Cleaning47
Variable Frequency Drive (VFD)50
Replacing the Cooling Fan50
Reforming the Capacitors50
Replacing a Fuse50
Troubleshooting51
Standard Troubleshooting51
Ignition Module51
Failures51
To Clear an Alarm51
Resetting Cooling and Heating Lockouts51
Method 152
Method 252
Wiring Diagrams55
Warranty56
For Commercial Unitary Equipment Rated56
Tons and under and Related Accessories56
Basic Warranty56
Exclusions and Limitations56

Trane Foundation EDK090 - Page 23

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