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Trane Voyager Commercial - Page 7

Trane Voyager Commercial
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RT-SVX34R-EN
7
Modulating Heat Operation with
SZVAV Heating . . . . . . . . . . . . . . . . . . . . . 113
Unoccupied Cooling and Heating
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Modulating Hot Gas Reheat
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Failure and Overriding
Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 114
Low Pressure Control (LPC) Sequence of
Operation (ReliaTel Control) . . . . . . . . . . . . . 115
High Pressure Control and Temperature
Discharge Limit (ReliaTel Control) . . . . . . . . 115
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Fan Belt Adjustment . . . . . . . . . . . . . . . . . . . . 116
Monthly Maintenance. . . . . . . . . . . . . . . . . . . 118
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Condensate Overflow Switch . . . . . . . . 118
Cooling Season . . . . . . . . . . . . . . . . . . . . . 119
Heating Season . . . . . . . . . . . . . . . . . . . . . 119
Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Refrigerant Coils . . . . . . . . . . . . . . . . . . . . 121
Microchannel Condenser Coil Repair
and Replacement . . . . . . . . . . . . . . . . . . . 121
Final Process . . . . . . . . . . . . . . . . . . . . . . . 121
Fall Restraint . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Refrigeration System . . . . . . . . . . . . . . . . . . . 123
Refrigerant Evacuation and
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Charge Storage . . . . . . . . . . . . . . . . . . . . . 124
Compressor Oil . . . . . . . . . . . . . . . . . . . . . 124
Compressor Replacements . . . . . . . . . . . . . . 124
Electrical Phasing . . . . . . . . . . . . . . . . . . . 124
Precision Suction Restrictor. . . . . . . . . . 124
VFD Programming Parameters
(Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
System Status/Diagnostics . . . . . . . . . . . . . . 129
System Status / Diagnostics Checkout
Procedure (DC Voltmeter
Required) . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Diagnostics (VAV only) . . . . . . . . . . . . . . 131
Resetting Cooling and Ignition
Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Zone Temperature Sensor (ZSM)
Service Indicator . . . . . . . . . . . . . . . . . . . . 131
Economizer Actuator (ECA/RTEM) Test
Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Economizer Fault Detection and
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . 134
Verify Economizer Status by
Economizer Actuator (ECA/
RTEM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
ReliaTel Air Module (RTAM) Tests. . . . . . . . 135
Test 1: Testing the Variable
Frequency Drive (VFD) Output. . . . . . . . 135
Test 2: Testing the Static Pressure
Transducer (SPT) Input . . . . . . . . . . . . . . 135
Test 3: Testing the VAV Setpoint
Potentiometers . . . . . . . . . . . . . . . . . . . . . 135
Test 4: Testing the VFD . . . . . . . . . . . . . . 135
ReliaTel Air Module (RTOM) Tests . . . . . . . 136
Test 1: Testing the Variable
Frequency Drive (VFD) Output. . . . . . . . 136
Test 2: Testing the VFD . . . . . . . . . . . . . . 136
Compressor—Blink Codes. . . . . . . . . . . . . . . 136
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . 137
TR-200 VFD Programming
Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Unit Wiring Diagram Numbers . . . . . . . . . . . 144
Warranty and Liability Clause . . . . . . . . . . . . 152
COMMERCIAL EQUIPMENT - 20 TONS
AND LARGER AND RELATED
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . 152
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