• For more details on using ZFR Pro Series communication devices, refer to the
WNC1800/
ZFR182x Pro Series Wireless Field Bus System Technical Bulletin (LIT-12012356).
Important:
Only connect memory devices to the USB port. Do not use it for charging external
devices.
Figure 1: Thermostat controller shown without occupancy sensor, dimensions, in. (mm)
Table 2: Thermostat controller features
Callout
Description
1
Security Screw
2
Display
3
USB Port
Installing the thermostat controller
1. Use a 1/16 in. (1.5 mm) Allen wrench or Johnson Controls
®
T-4000-119 Allen-Head Adjustment
Tool (order separately) to remove the security screw if it is installed on the top of the
thermostat controller cover as illustrated in Figure 2.
2. Pull the top edge of the cover and open the thermostat controller as illustrated in Figure 2.
Important:
The cover is not secured on the bottom. Be careful not to drop the cover.
Important:
If you install more than one thermostat controller, keep track of which cover
attaches to which base. The controller version and the base version must match to ensure
proper operation.
Important:
Use proper Electrostatic Discharge (ESD) precautions during installation and
servicing to avoid damage to the electronic circuits of the thermostat controller.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
4