Johnson Controls UNT110-1 User Manual

2
UNT Controller—Unitary (UNT) Controller
• Zone Bus
Page
30
• Wiring to Unit Mounted Controls--UNT110/111 and UNT120/121 *31
• Wiring to RLY050/002 Relays *33
• Wiring Sensors and Actuators *35
Networking the Controller 43
• N2 Bus Overview *43
• Installing the N2 Bus *44
• Zone Bus Communications *46
Application Examples 49
• Fan Coil Applications 49
• Unit Vent Applications *51
• Packaged Rooftop Applications *53
• Heat Pump Applications 55
Downloading/Commissioning 57
• Commissioning Procedures 57
• Via Zone Bus 57
• Via N2 Bus 57
Troubleshooting 59
• Hardware Installation Inspection 59
• Tools Needed for Troubleshooting 59
• Installation Checkout *59
• Troubleshooting the UNT Controller with HVAC PRO for Windows *65
• Troubleshooting the N2 Bus 67
• Zone Bus Troubleshooting—HVAC PRO for Windows 68
* Indicates sections where changes have occurred since the last printing.

Johnson Controls UNT110-1 Specifications

General

Brand	Johnson Controls
Model	UNT110-1
Category	Controller
Language	English