Installation and Maintenance Manual

4 UNT-SVX07D-EN
Table of Contents
Warnings, Cautions and Notices . . . . . . . . . . 2
Model Number Descriptions . . . . . . . . . . . . . . 6
General Information . . . . . . . . . . . . . . . . . . . . . 9
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . 10
Receiving and Handling . . . . . . . . . . . . . . 10
Jobsite Storage . . . . . . . . . . . . . . . . . . . . 10
Installation Preparation . . . . . . . . . . . . . . 10
Service Access . . . . . . . . . . . . . . . . . . . . . 11
Pre-Installation Checklist . . . . . . . . . . . . . 11
Dimensions and Weights . . . . . . . . . . . . . . . . 12
Available Models . . . . . . . . . . . . . . . . . . . 14
Factory-Installed Piping Packages . . . . . 15
Vertical Concealed, Model A . . . . . . . . . . 16
Vertical Cabinet, Model B . . . . . . . . . . . . 17
Horizontal Concealed, Model C . . . . . . . . 18
Horizontal Cabinet, Model D . . . . . . . . . . 19
Horizontal Recessed, Model E . . . . . . . . . 20
Vertical Wall Hung Cabinet, Model F (Force-
Flo Units Only) . . . . . . . . . . . . . . . . . . . . . 21
Vertical Recessed, Model H . . . . . . . . . . . 22
Vertical Slope Top, Model J . . . . . . . . . . 23
Low Vertical Concealed, Model K . . . . . . 24
Low Vertical Cabinet, Model L . . . . . . . . 25
Inverted Vertical Cabinet, Model M
(Force-Flo Units Only) . . . . . . . . . . . . . . . 26
Inverted Vertical Recessed, Model N (Force-
Flo Units Only) . . . . . . . . . . . . . . . . . . . . . 27
Compact Concealed, Model P . . . . . . . . . 28
Fan-Coil Coil Connections . . . . . . . . . . . . 29
Force-Flo Coil Connections . . . . . . . . . . . 30
Fresh Air Opening Locations . . . . . . . . . . 32
Wall Box . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Projection Panel . . . . . . . . . . . . . . . . . . . . 35
Installation—Mechanical . . . . . . . . . . . . . . . . 36
Duct Connections . . . . . . . . . . . . . . . . . . . 36
Piping Considerations . . . . . . . . . . . . . . . 36
Installation—General . . . . . . . . . . . . . . . . . . . . 42
Installing the Unit . . . . . . . . . . . . . . . . . . . . . 42
Vertical Units . . . . . . . . . . . . . . . . . . . . . . 42
Horizontal Units . . . . . . . . . . . . . . . . . . . . .42
Cabinet Units . . . . . . . . . . . . . . . . . . . . . . .42
Recessed Units . . . . . . . . . . . . . . . . . . . . . .42
Installation Checklist . . . . . . . . . . . . . . . . . . .44
Installation—Controls . . . . . . . . . . . . . . . . . . . .45
General Information . . . . . . . . . . . . . . . . . . .45
Control Options (Including Factory-Installed)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Installing Wall-Mounted Wired Sensors . .46
Location Considerations . . . . . . . . . . . . . .47
Location Considerations for Wireless zone
sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Fan Mode Switch Installation . . . . . . . . . .47
Zone Sensor Installation . . . . . . . . . . . . . .47
Installation—Electrical . . . . . . . . . . . . . . . . . . .49
Unit Wiring Diagrams . . . . . . . . . . . . . . . .49
Supply Power Wiring . . . . . . . . . . . . . . . . .49
Electrical Grounding Restrictions . . . . . . .49
Wall-Mounted Control Interconnection Wir-
ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
ECM Overview and Setup . . . . . . . . . . . . . . . .53
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
General Information . . . . . . . . . . . . . . . . . . .53
Trane BLDC Motor . . . . . . . . . . . . . . . . . . .53
ECM Engine Controller . . . . . . . . . . . . . . .54
Standard Adapter Board . . . . . . . . . . . . . .54
CSTI Adapter Board . . . . . . . . . . . . . . . . . .54
Installation and Initial Setup . . . . . . . . . . . .55
Installation and Initial Setup . . . . . . . . . . .55
Adjustment and Configuration of the Engine
Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Status Display . . . . . . . . . . . . . . . . . . . . . . .58
Initial Setup and Configuration . . . . . . . . .63
Configuration . . . . . . . . . . . . . . . . . . . . . . . . .63
Configuring the ECM Engine Controller . .63
Configuring the ECM Engine Board . . . . .68
Wired Controllers—Communication Wiring 73
Wiring Installation (ZN510 and ZN520) . . .73
Device Addressing . . . . . . . . . . . . . . . . . . .73
UNT-SVX07_-EN.book Page 4 Friday, April 27, 2012 9:40 AM