Technical Specifications - Johnson Controls TEC22 4-3 Series Installation Instructions Manual

Table 8: Troubleshooting Details (Part 2 of 2)
Symptom Cause
Thermostat does Wrong mode
not call for cooling selected
Thermostat in
Unoccupied mode
Anticycle delay
active
Cooling setpoint is
satisfied
Cooling lockout
attained
Wiring error
The thermostat Wiring error
does not turn on
the fan
Digital display Defective display
shows missing
digits or erratic
segments
Table 9: Display Messages
Display Function
Service Indicates that there is a service alarm in accordance with the programmable Digital Inputs (DI1 or DI2)
Filter Indicates that the filter(s) is dirty in accordance with the programmable Digital Inputs (DI1 or DI2).
Frost ON Indicates that the heating is energized by the low-limit frost protection room temperature setpoint.
SetClock Indicates that there has been a power failure greater than 6 hours and the clock needs to be reset.

Technical Specifications

TEC22x4-3 L W
ON ORKS
Power Requirements
Economizer Rating
Output
Accuracy
Relay Contact Rating
Digital Inputs
Wire Size
L W Network Standard
ON ORKS
Temperature Sensor Type
Temperature Backlit
Range Display
Heating
Control
Cooling
Control
16 TEC22x4-3 L W
ON
Solution(s)
Select cooling mode.
Select Override to force the thermostat Occupied cooling setpoint.
Wait — the anticycling period must end before the equipment can start.
Lower the cooling setpoint.
Mode is locked out based on outside air temperature.
Change configuration parameter C Lock to value -40 °F (-40 °C) to by-pass
lockout.
Start the fan by forcing the Fan ON mode.
Put a jumper across terminals RC and Y1. The cooling should come ON. If it
does not, verify wiring
Start the fan by forcing the Fan ON mode.
Put a jumper across terminals RC and G. The fan should come ON If it does
not, verify wiring.
Replace the thermostat.
Networked Multi-Stage Economizer Thermostat (Part 1 of 2)
19 to 30 VAC, 50/60 Hz, 2 VA (Terminals RC and C) at 24 VAC Nominal, Class 2 or
Safety Extra-Low Voltage (SELV)
0 to 10 VDC into 2k ohm Resistance (Minimum)
±3%
30 VAC, 1.0 A Maximum, 3.0 A In-Rush, Class 2 or SELV
Voltage-Free Contacts across Terminal C to Terminals DI1 and DI2
Unshielded Twisted Pair - 22 AWG (0.6 mm Diameter) Minimum, 18 AWG (1.0 mm
Diameter) Recommended
64 Devices Maximum without repeater, 128 Devices Maximum with repeater; 6,250 ft
(1,905 m) Maximum Length (Bus Topology)
Local 10k ohm Negative Temperature Coefficient (NTC) Thermistor
-40.0°F/-40.0°C to 122.0°F/ 50.0°C in 0.5° Increments
40.0°F/4.5°C to 90.0°F/32.0°C
54.0°F/12.0°C to 100.0°F/38.0°C
® Networked Multi-Stage Economizer Thermostats Installation Instructions
ORKS