Johnson Controls TEC3612 User Manual

Table 9: Troubleshooting details
Symptom Probable causes Solutions
For networked models, the
Online icon does not appear for a
networked controller.
There is incorrect field bus
wiring.
Refer to the MS/TP Communications Bus Technical
Bulletin (LIT-12011034).
For wireless models, Supervisory
Status = Offline
The supervisory controller is not
communicating with the TEC.
The TEC is not mapped to a JCI
Supervisory System. The WNC
Gateway is not communicating
with the TEC.
1. Map the TEC into a JCI Supervisory system.
2. Verify that the PAN’s WNC Gateway is
online.
3. Add ZFR182x or ZFR183x Routers/Repeaters
into the wireless system.
Some icons are hidden. Lockout levels are used or the
icons are hidden due to the
display settings.
See Table 5 for lockout levels and access details.
The touchscreen is unresponsive.
You do not tap the touchscreen,
but the display acts as if it is
tapped, which causes the display
to blink or toggle between
screens.
You need to tap the display at
an offset from a touch point to
activate the display.
You tap the display or touch the
controller within 5 mm of the
display when power is applied to
the controller.
Reboot the controller. Do not interact with the
controller until the home screen displays.
Note: For common MS/TP troubleshooting
information, refer to the MS/TP Communications Bus
Technical Bulletin (LIT-12011034).
TEC3000 Series On/off or Floating Fan Coil Thermostats technical
specifications
Table 10: TEC3000 Series Networked and Wireless On/off or Floating Fan Coil and Individual Zone Thermostat
Controllers with Dehumidification Capability technical specifications
Specification Description
Power requirements 19 VAC to 30 VAC, 50/60 Hz, 4 VA at 24 VAC nominal, Class 2 or safety extra-low
voltage (SELV)
USB port power rating 120 mA to 250 mA current draw supported
Relay contact
rating
On/off or floating
control
19 VAC to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush, Class 2 or SELV
Fan relay output rating 19 VAC to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush
Auxiliary output rating/triac output 19 VAC to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush
Binary inputs Dry contact across terminal COM to terminals BI1, BI2, or COS
Analog inputs Nickel, platinum, A99B, 2.25k ohm NTC, 10k ohm NTC, 10k ohm NTC Type 3 across
terminal COM to terminals R SEN or COS
Temperature sensor type Local digital sensor
Wire size 18 AWG (1.0 mm diameter) maximum, 22 AWG (0.6 mm diameter) recommended
For wired models: Up to 100 devices maximum for each Network Automation
Engine (NAE); 4,000 ft (1,219 m) maximum cable length. Refer to the MS/TP
Technical Bulletin for the Metasys, FX, or Verasys
®
system installed.
MS/TP network guidelines
For wireless models: Up to 100 devices maximum for each Network Automation
Engine (NAE)
Wireless band (for wireless models) Direct-sequence spread-spectrum 2.4 GHz ISM bands
TEC3000 Series On/Off or Floating Fan Coil Thermostats Quick Start Guide 27

Johnson Controls TEC3612 Specifications

General

Brand	Johnson Controls
Model	TEC3612
Category	Controller
Language	English