Trane SXHJ090-162 User Manual

4 RT-SVX24J-EN
Table of Contents
Overview of Manual .................. 3
Model Number Descriptions .............. 6
Unit Inspection .......................... 9
As soon as the unit arrives at the job site 9
Storage ............................ 9
Unit Clearances ..................... 9
Unit Dimensions and Weight Information 9
General Information .................... 10
Unit Nameplate ...................... 10
Commonly Used Acronyms ............ 10
Unit Description ...................... 10
Constant Volume (CV) and Variable Air
Volume (VAV) Units
................... 13
Constant Volume (CV) Units ........... 16
Variable Air Volume (VAV) Units ........ 17
Single Zone Variable Air Volume (SZVAV)
Only
................................ 19
Unit Clearances ......................... 21
Dimensional Data ....................... 23
Weights ................................ 42
Installation ............................. 45
Roof Curb and Ductwork ............. 45
Field Converting Horizontal Ductwork (Sup-
ply or Return) from Right to the Left Side 47
Unit Rigging and Placement ........... 49
Air-Cooled and Evaporative Condensers—
Three-Piece Unit Fit Up .............. 52
Air-Cooled and Evaporative Condensers—
Two-Piece Unit Fit Up ............... 56
Complete Tubing and Wiring Connections as
follows: ........................... 59
Air-Cooled Tubing Connection ........ 59
Evaporative Condenser Tubing
Connection ........................ 60
Electric Heat Wiring Connection ....... 61
Power and Control Wiring Connections . 61
General Unit Requirements ........... 62
Rigging the Unit .................... 63
Main Electrical Power Requirements . . . 63
Field Installed Control Wiring ......... 63
Requirements for Electric Heat Units ....63
Requirement for Gas Heat .............63
Requirements for Hot Water Heat ......63
Requirements for Steam Heat ..........63
O/A Pressure Sensor and Tubing
Installation .........................63
Condensate Drain Connections ........63
Units with Gas Furnace ...............64
Removing Compressor Assembly Shipping
Hardware ..........................64
Removing Supply and Exhaust Fan Shipping
Channels ...........................64
Spring Isolators .....................64
Remove Evaporative Condenser Fan
Shipping Brackets ...................64
O/A Sensor and Tubing Installation .....66
Units with Statitrac ..................66
Evaporative-Cooled Condenser Make-up
Water and Drain Line Installation .......67
Gas Heat Units ......................68
Disconnect Switch w/External Handle . . .76
Electric Heat Units ...................76
Main Unit Power Wiring ..............77
Power Wire Sizing and Protection Devices 79
Field Installed Control Wiring ..........81
Controls using 24 VAC ................81
Controls using DC Analog Input/Outputs .81
Constant Volume System Controls ......82
Variable Air Volume System Controls . . .82
Constant Volume or Variable Air Volume
System Controls .....................82
Single Zone Variable Air Volume & Rapid
Restart System Control ...............83
Emergency Override .................83
Ventilation Override Module (VOM) .....84
Temperature vs. Resistance Coefficient . .85
Installation Checklist .....................93
General Checklist (applies to all units) . . .93
Unit Rigging and Placement (Two-Piece—ad-
dition to General Checklist) ............93
Unit Rigging and Placement (Three-piece

Trane SXHJ090-162 Specifications

General

Brand	Trane
Model	SXHJ090-162
Category	Air Conditioner
Language	English