TEC22x4-3 L
ON
W
ORKS
® Networked Multi-Stage Economizer Thermostats Installation Instructions
15
Accessories
All the accessories in Table 7 include mounting
hardware; contact the nearest Johnson Controls®
representative to order any of these parts.
Note:
Review the technical specifications of the
optional accessories prior to their use in an application.
Repair Information
If the TEC22x4-3 thermostat fails to operate within its
specifications, see Table 8 for troubleshooting details
and Table 9 for display messaging. For a replacement
thermostat, contact the nearest Johnson Controls
representative.
Table 7: Accessories (Order Separately)
Code Number
Description
SEN-600-1
Remote Indoor Air Temperature Sensor
SEN-600-4
Remote Indoor Air Temperature Sensor with Occupancy Override and LED
TE-6361M-1
1
Duct Mount Air Temperature Sensor
TE-636S-1
Strap-on Temperature Sensor
1.
Additional TE-636xx-x Series 10k Type II Thermistor Sensors are available; refer to the
TE-6300 Series Temperature
Sensors Product Bulletin (LIT-216320)
for more details.
Table 8: Troubleshooting Details (Part 1 of 2)
Symptom
Cause
Solution(s)
No display on the
thermostat
Absent or incorrect
supply voltage
Check that the power supply voltage between RC and C is in the range of
19 to 30 VAC.
Check for tripped fuse or circuit breaker.
Overloaded power
transformer
Verify that the transformer used is powerful enough (enough VAs) to supply all
controlled devices including the thermostat.
Keyboard menu
does not access all
functions
Keyboard locked
1. Use the Installer Configuration menu to change the Lockout level to 0 or 1.
2. Change the
nciGenOpts
Byte 27(28) lockout value to 0 or 1.
Temperature
setpoints revert to
original value after
a certain time
Temporary setpoint
active for a period of
time set by
parameter
TOccTime
To do a permanent change to the setpoints you must enter the menu
RoomTemp Set
and modify the setpoints at desired temperature.
Thermostat does
not call for heating
Wrong mode
selected
Select heating mode.
Thermostat in
Unoccupied mode
Select Override to force the thermostat Occupied heating setpoint.
Anticycle delay
active
Wait — the anticycling period must end before the equipment can start.
Heating setpoint is
satisfied
Raise the Heating setpoint.
Heating lockout
attained
Mode is locked out based on outside air temperature.
Change configuration parameter
H Lock
to value 120°F (49°C) to by-pass
lockout.
Wiring error
Start the Fan by forcing the Fan ON mode.
Put a jumper across terminals RH and W1. The heating should come ON. If it
does not, verify wiring and check if a jumper is required between RC and RH.
