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Trane Precedent YZC072F User Manual

Trane Precedent YZC072F
60 pages
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4 RT-SVX46G-EN
Table of Contents
Model Number Description . . . . . . . . . . . . . . . 6
Model Number Notes . . . . . . . . . . . . . . . . . . 7
General Information . . . . . . . . . . . . . . . . . . . . . 8
Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . 8
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Unit Nameplate . . . . . . . . . . . . . . . . . . . . . 8
Compressor Nameplate . . . . . . . . . . . . . . . 8
Microchannel Condenser Barcode ID . . . . 8
Unit Description . . . . . . . . . . . . . . . . . . . . . 8
Human Interface - 5 Inch Color Touchscreen
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . 13
Dimensions and Weights . . . . . . . . . . . . . . . . 14
Unit Clearances . . . . . . . . . . . . . . . . . . . . . . 14
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Horizontal Units . . . . . . . . . . . . . . . . . . . . 24
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Downflow . . . . . . . . . . . . . . . . . . . . . . . . . 25
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
General Unit Requirements . . . . . . . . . . . . 26
Factory Installed Economizer . . . . . . . . . 27
Temperature Limit Switch Usage for Gas
Heat Units . . . . . . . . . . . . . . . . . . . . . . . . . 27
Horizontal Discharge Conversion (3 to 5 Ton
Units)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TCO-1 Instructions for Low NOx Gas Furnace
Option
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
TCO-1 Instructions . . . . . . . . . . . . . . . . . . . . 28
Horizontal Discharge Conversion (6 to 10 Ton
Units)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Return Air Smoke Detector . . . . . . . . . . . . . 29
Air-Fi® Wireless Communication Interface 30
Main Electrical Power Requirements . . . . 31
Through-the-Base Gas Installation . . . . . 31
Requirements for Gas Heat . . . . . . . . . . . 32
Ultra Low NOx Gas Furnace Option - Compo-
nent Layout . . . . . . . . . . . . . . . . . . . . . . . . 33
Condensate Drain Configuration . . . . . . 33
Filter Installation . . . . . . . . . . . . . . . . . . . . . .34
Field Installed Power Wiring . . . . . . . . . . . .34
Main Unit Power . . . . . . . . . . . . . . . . . . . . . .35
Standard Wiring . . . . . . . . . . . . . . . . . . . . .35
Optional TBUE Wiring (Through-the-Base
Electrical Option) . . . . . . . . . . . . . . . . . . . .35
Field-Installed Control Wiring . . . . . . . . . .35
Control Power Transformer . . . . . . . . . . .35
Controls using DC Analog Input/Outputs
(Standard Low Voltage Multi-Conductor
Wire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
DC Conductors . . . . . . . . . . . . . . . . . . . . . .36
Space Temperature Averaging (ReliaTel™ On-
ly)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Voltage Imbalance . . . . . . . . . . . . . . . . . . . . .40
Electrical Phasing (Three Phase Motors) . .40
Compressor Crankcase Heaters . . . . . . . .41
ReliaTel™ Controls . . . . . . . . . . . . . . . . . .41
Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . .42
ReliaTel™ Controls . . . . . . . . . . . . . . . . . .42
Unit Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Verifying Proper Air Flow . . . . . . . . . . . . . . .43
Sequence of Operation . . . . . . . . . . . . . . .43
Return Air Smoke Detector . . . . . . . . . . . .44
Economizer Startup . . . . . . . . . . . . . . . . . .44
Minimum Position Setting . . . . . . . . . . . .44
Compressor Startup . . . . . . . . . . . . . . . . . .45
Gas Heat Units . . . . . . . . . . . . . . . . . . . . . .45
Dip Switch Settings . . . . . . . . . . . . . . . . . .45
Final System Setup . . . . . . . . . . . . . . . . . .45
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Monthly Maintenance . . . . . . . . . . . . . . . . . .47
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Return Air Smoke Detector Maintenance 47
Condensate Overflow Switch . . . . . . . . . .47
Cooling Season . . . . . . . . . . . . . . . . . . . . .47
Heating Season . . . . . . . . . . . . . . . . . . . . .48
Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . .48

Table of Contents

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Trane Precedent YZC072F Specifications

General IconGeneral
BrandTrane
ModelPrecedent YZC072F
CategoryAir Conditioner
LanguageEnglish

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