Trane RTHD series Installation, Operation And Maintanance page 6

Contents
Figure 63. Security screen ............................... 91
Logging In ......................................................92
Figure 64. Log In Screen .................................. 92
Logging Out ...................................................92
Figure 65. Log out confirmation screen ......... 92
TracerTU ..........................................................93
Figure 66. ........................................................ 93
Unit Start-up ...................................................94
Power Up........................................................ 94
Figure 67. Sequence of operation: power up
diagram 94
Figure 68. TD-7 screen displays ...................... 94
Power Up to Starting ..................................... 95
Figure 69. Power Up to Starting ...................... 95
Stopped to Starting ....................................... 95
Figure 70. Stopped to Starting ........................ 95
Limit Conditions ............................................ 96
Table 30. Limit Conditions ............................. 96
Seasonal Unit Start-Up Procedure ............... 96
Unit Shutdown ..............................................100
Normal Shutdown to Stopped ....................100
Figure 71. Normal Shutdown ........................ 100
Seasonal Unit Shutdown .............................100
Periodic Maintenance ....................................101
Overview .......................................................101
Weekly Maintenance and Checks ................101
Monthly Maintenance and Checks ..............101
Table 31. Operating Conditions at Full Load ....
101
Table 32. Operating Conditions at Minimum
Load 101
Annual Maintenance ....................................101
Scheduling Other Maintenance ...................102
Operating Log ...............................................102
Maintenance Procedures ..............................105
Cleaning the Condenser ..............................105
Mechanical Cleaning Procedure ................105
Chemical Cleaning Procedure ....................105
Cleaning the Evaporator ..............................105
Compressor Oil .............................................105
Table 33. POE Oil Properties ........................ 105
Oil Sump Level Check .................................105
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Figure 72. Determining Oil Level in Sump ... 106
Removing Compressor Oil .........................106
Oil Charging Procedure ...............................106
Replacing the Main Oil Filter (Hot Filter) ....107
Replacing the Gas Pump Oil Filter ..............107
Figure 73. Oil Filter Replacement Chart (E,D, C
and B Frame Compressors) .......................... 108
Refrigerant Charge .......................................108
Evacuation and Dehydration .......................108
Refrigerant Charging ....................................108
Freeze Protection .........................................108
Table 34. Low Refrigerant Temperature, Eth-
ylene Glycol, and Freeze Protection Settings ....
109
Diagnostics .....................................................111
Table 35. Diagnostics Table .......................... 111
Wiring Schematics ........................................119
Unit Electrical Data ....................................... 119
RTHD-SVX02H-EN