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Trane YHC092E - General Information

Trane YHC092E
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RT-SVX21K-EN 3
Table of Contents
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . 3
Model Number Description . . . . . . . . . . . . . . . 5
Model Number Notes . . . . . . . . . . . . . . . . 6
Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Unit Nameplate . . . . . . . . . . . . . . . . . . . . . 7
Compressor Nameplate . . . . . . . . . . . . . . . 7
Microchannel Condenser Barcode ID . . . . 7
Unit Description . . . . . . . . . . . . . . . . . . . . . 7
Economizer Control Actuator (Optional) . 7
System Input Devices & Functions . . . . . . 8
Low Pressure Control . . . . . . . . . . . . . . . . . 9
High Pressure Control . . . . . . . . . . . . . . . . 9
Power Exhaust Control (Optional) . . . . . . 9
Lead/Lag Control (Dual Circuit Only) . . . . 9
Evaporator Frost Control . . . . . . . . . . . . . 10
Smoke Detector Sensor (Optional) . . . . . 11
Phase Monitor . . . . . . . . . . . . . . . . . . . . . 11
Single Zone Variable Air Volume / Displace-
ment Ventilation (Optional) . . . . . . . . . . . 11
Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 12
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . 19
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Horizontal Units . . . . . . . . . . . . . . . . . . . . 21
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Downflow . . . . . . . . . . . . . . . . . . . . . . . . . 23
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
General Unit Requirements . . . . . . . . . . . . 24
Factory Installed Economizer . . . . . . . . . 24
Temperature Limit Switch Usage for Gas
Heat Units . . . . . . . . . . . . . . . . . . . . . . . . . 25
Horizontal Discharge Conversion (3 Through 5
Ton Units)
. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TCO-1 Instructions . . . . . . . . . . . . . . . . . . . . 26
Horizontal Discharge Conversion (6 Through
10 Ton Units)
. . . . . . . . . . . . . . . . . . . . . . . . 27
TCO1 Instructions . . . . . . . . . . . . . . . . . . . . 28
Return Air Smoke Detector . . . . . . . . . . . . .28
Main Electrical Power Requirements . . . . .29
Through the Base Gas Installation . . . . . . .29
Requirements for Gas Heat . . . . . . . . . . . . .30
Condensate Drain Configuration . . . . . . . . .30
Filter Installation . . . . . . . . . . . . . . . . . . . . . .31
Field Installed Power Wiring . . . . . . . . . . . .31
Main Unit Power . . . . . . . . . . . . . . . . . . . . . .31
Standard Wiring . . . . . . . . . . . . . . . . . . . . .32
Optional TBUE Wiring (Through the Base
Electrical Option) . . . . . . . . . . . . . . . . . . . .32
Field Installed Control Wiring . . . . . . . . . .32
Control Power Transformer . . . . . . . . . . .33
Controls Using 24 VAC . . . . . . . . . . . . . . .33
Controls using DC Analog Input/Outputs
(Standard Low Voltage Multi
conductor Wire) . . . . . . . . . . . . . . . . . . . . .33
DC Conductors . . . . . . . . . . . . . . . . . . . . . .33
Smoke Detector Customer Low Voltage Wir-
ing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Space Temperature Averaging (ReliaTel™ On-
ly)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Voltage Imbalance . . . . . . . . . . . . . . . . . . . . .42
Electrical Phasing (Three Phase Motors) . .42
Compressor Crankcase Heaters (Optional) 43
ReliaTel™ Controls . . . . . . . . . . . . . . . . . .43
Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . .44
ReliaTel Controls . . . . . . . . . . . . . . . . . . . .44
Electromechanical Controls Test
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . .44
Unit Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Verifying Proper Air Flow . . . . . . . . . . . . . . .46
Units with 5-Tap Direct Drive Indoor Fan .46
Units with Belt Drive Indoor Fan . . . . . . . .46
Units with Direct Drive Indoor Fan - Electro-
mechanical Control . . . . . . . . . . . . . . . . . .47
ReliaTel Units with Direct Drive Indoor Fan
(7.5 - 8½ Ton High Efficiency, 10 Ton) . . .47
Units with Constant CFM Direct Drive Indoor
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Table of Contents

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