TEC26x7-4 Series BACnet® MS/TP Networked Thermostat Controllers with Two Outputs Installation
Instructions
Troubleshooting
See Table 6 for display messaging and Table 7 for
troubleshooting details.
Accessories
All the accessories in Table 5 include mounting
hardware; contact the nearest Johnson Controls®
representative to order any of these parts.
Note: Review the technical specifications of the
accessories prior to their use in an application.
Repair Information
If the TEC26x7-4 Series Thermostat Controller fails to
operate within its specifications, replace the unit. For a
replacement thermostat controller, contact the nearest
Johnson Controls representative.
Reheat Sets the duty cycle time for reheat
output (if Option 2, 3, or 5 is chosen
in the SeqOpera parameter).
Default: 0
(1): 10 seconds (six cycles per minute), for various equipment with
solid-state relays that withstand short duty cycles such as electric
heat.
(0): 15 minutes (four cycles per hour), for various equipment with
mechanical relays or contactors controlling mechanical reheat
systems.
UI3 dis Displays the supply or changeover
temperature when UI3 is configured
as an analog input (supply sensor
or changeover sensor).
Default: -40°F/-40°C
Used as a diagnostic/service help, to troubleshoot and diagnose
sensor operation.
Table 4: Installer Configuration Menu (Part 6 of 6)
Parameter
Appearing
on Display
Description and Default Selection Options
Table 5: Accessories (Order Separately)
Code Number Description
TEC-7-PIR
1
Zone Controller Cover with Occupancy Sensor
SEN-600-1 Remote Indoor Air Temperature Sensor
TE-6361M-1
2
Duct Mount Air Temperature Sensor
SEN-600-4 Remote Indoor Air Temperature Sensor with Occupancy Override and LED
TE-636S-1 Strap-Mount Temperature Sensor
MS-BACEOL-0 RS485 End-of-Line Terminator
1. The TEC-7-PIR Accessory Cover can be used to replace the existing cover on a non-PIR TEC26x7-4 Thermostat Controller
to provide occupancy sensing capability.
2. Additional TE-636xx-x Series 10k ohm Johnson Controls Type II Thermistor Sensors are available; refer to the
TE-6300 Series Temperature Sensors Product Bulletin (LIT-216320) for more details.
Table 6: Display Messages
Display Function
Service Indicates that there is a service alarm in accordance with the programmable Binary Input (BI2).
Filter Indicates that the filter(s) is dirty in accordance with the programmable Binary Input (BI2).
Window Indicates that an outside window or door is open and has cancelled the thermostat controller heating
or cooling action in accordance with the programmable Binary Input (BI1).
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