Trane SEHJ090-162 Installation, Operation And Maintenance Manual page 198

Commercial single-zone rooftop air conditioners with cv, vav, szvav, or rr controls
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Index
I
Input Devices 13
Interprocessor Communications
Board 11
L
Lead/Lag Operation 101
Lead-Lag 14
Lontalk Communication
Interface 11
Low Ambient Compressor
Lockout 15
Low Ambient Compressor
Operation 97
Low Charge Protection 107
Low Pressure Control 14
Low-Fire Adjustment 165
M
Main Unit Power Wiring 77
Make-up Water and Drain Line
Installation 67
Measuring Subcooling 163
Measuring Superheat 163
Minimum Position
Potentiometer 83
Modulating Gas Sequence of
Operation 106
Modules 18
Morning Warm-Up 16
Motor winding temperature
decreases 15
Motor windings exceeds
approximately 221 F 15
Multi-piece Unit 169
N
Nameplate location 10
O
Occupied Cooling 17
Occupied Heating 17
Occupied/Unoccupied Contacts 85
Operating Pressure Curve 134
Outdoor Air Humidity Sensor 15
Outside Air & Return Air Damper
See Tables 26,27 & Figure
64 143
Outside Air & Return Air Damper
Operation 143
Outside Air Sensor (3RT3) 82
P
Pitch Pocket Location 45
P-Traps at the unit
See Figure 20 64
purge setpoints 100
R
,
Rapid Restart 83
96
198
Refrigerant Charging 159
Refrigerant Coils
See Coil Cleaning 185
Remote Human Interface
Module 82
Remote Panel w/o NSB
See BAYSENS010B
BAYSENS021A 82
See BAYSENS110 82
Remote Zone Sensor 82
Request for exhaust fan
operation 14
Request for supply fan
operation 14
Return Air Humidity Sensor
(3U64) 15
Return Air Temperature Sensor 13
Return Fan Performance 123
Return Fan Sequence of
Operation 107
Roof Curb and Ductwork 45
Rooftop Module 11
RTM Resistance Value vs System
Operating Mode 11
S
Saturated Condenser Temperature
Sensors 14
Saturated condensing temperature
falls 14
Scroll Compressor
Replacement 181
Sequence of Operation with
TRAQ 107
Service and Maintenance 173
Sizing Natural Gas Pipe Mains &
Branches
See Table 16 69
Some Fans are rotating backwards
See Fan Rotation 114
Space Humidity Sensor 15
Space pressure and duct 67
Space Pressure Transducer
See Figure 3 15
Space Temperature Averaging 17
Standard Ambient Dampers 163
Status/Annunciator Output 15
Steam Heat Units 73
,
86
Steam or Hot Water Coils 186
Storage 9
Suction pressure approaches 7 ± 4
psig 14
Suction pressure exceeds 22 ± 4
psig 14
Supply air temperature falls 10 F
below 17
Supply Air Temperature Low
Limit 16
supply air temperature reaches 10 F
above 17
Supply Air Temperature Sensor
(3RT9) 13
Supply Air Tempering 17
Supply and Exhaust Airflow Proving
Switches 14
Supply and Exhaust Fan Shipping
Channels
See Figures 24 & 25 64
Supply Duct Static Pressure
Control 17
,
,
,
SZVAV 19
96
102
107
171
T
Temporary low limit suppression
setting 14
Thermostatic Expansion
Valves 163
,
Trane OIL-42 160
181
Trane Startup 169
TRAQ™ Sensor 101
TRAQ™ Sensor Airflow
Measurement 117
Two Stage Gas Furnace 105
Two-Piece Unit Fit Up 52
U
Unit Clearances 9
Unit Clustering 107
Unit Control 167
Unit Control Modules 18
Unit Description 10
Unit Dimensions and Weight
Information 9
Unit Inspection 9
Unit Rigging and Placement 49
Units with an Economizer 101
Units with TRAQ™ Sensor 101
Units without an economizer 100
Unoccupied Heating 17
Unoccupied to an occupied mode
with the MWU option 15
V
Variable 82
Variable Air Volume Systems 115
VAV Active Occupied Discharge
Heat 107
VAV Changeover Contacts 82
VCM optional CO2 sensor 12
VCM optional temperature
sensor 12
Ventilation Control Module 12
Ventilation Override Module 11
VFD Programming Parameters 183
RT-SVX24J-EN
,
,
,
113
169
,
165
,
56

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