EngA C-TRAC2

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A C-TRAC2.1 MANUAL

IOM-12 March 1999 R1

Ambient Light stays On, Terminal “A” Has No Power ............................................................. vii

QUICK CHECK FOR C-TRAC-2.1 NORMAL OPERATING SEQUENCE ....................... VIII

AIR CONDITIONING (Air Cooled Condenser) ................................................................. IX

Main Page

Table of Contents2
Application6
Service6
General6
IV. Wiring7
Wiring7
Heat Output7
System Timings7
Dip Switches and Pots7
Pots and Dip Switch Chart9
Status Lights10
- Heating Control Mode10
- Cooling Control Mode10
- Compressor Ambient Closed10
- Internal Timer10
Fan Control and Low Limit10
Control Start-Up and Operating Strategies10
- Heat Output10
- Economizer Control11
  - Minimum Pot Position11
  - BMS Minimum Position Reset12
- Cooling13
Burner Operation13
Temperature Control - General Overview14
- Discharge Temperature Calculation14
Sensors and Set-Points14
- The Master Set-Points14
- XIII. Temperature Control – General Overview14
- The Optional Reset Inputs15
- Night Heat15
Induced Voltage on Remote Control Wiring15
Night Heat Thermostats15
- Night Setback15
Room Reset Thermostat Options16
- Options16
  - Reset of the Discharge Set-Point from Other Controls16
- TE 6100-960 Set-Point Controller Connections16
- Option 1 - Combination Sensor/Set-Point16
- Option 2 - Remote Discharge Set-Point with Separate Discharge Sensor16
- Option 3 - Room Sensor Only17
- Multiple Room Sensors17
- TE 6100-960 Room or R/A Set-Point/Sensor C/W Dipswitch 3 "On17
- Ma or 0-10 VDC BMS Reset Signal18
- Calibration for BMS Configuration18
  - Calibration Method 119
  - Calibration Method 219
Calculated Set-Point19
Discharge Temperature Sensing19
Set-Point Calibration19
- TE 6100-960 Johnson Controls Set-Point/Sensor Approximate Resistance20
- Sensor Resistance Chart for te 6100-960 and te 6000-96020
- Discharge Temperature Calibration Methods20
- Room or Return Air Temperature Calibration Methods21
  - Room Calibration Method 121
  - Room Calibration Method 221
- Ambient Reset Calibration21
- Suggested Settings Re Hunting Problems22
- LOCK-UP - Radio Frequency Interference23
C-Trac2.1 Set up Sheet24
Trouble Shooting25
- To Simulate a Full Call for Cooling25
- To Simulate a Full Call for Heat25
- C-TRAC2.1 Internal Operating Rules25
- C-TRAC2.1 Set-Point Calculation25
- Is the C-TRAC2.1 Properly Configured26
  - Does Control Cycle through an Excessive Number of Operating Modes26
- Voltage Noise26
- Heating Trouble Shooting26
- Hunting (External Causes)27
  - H-Trac27
  - G-Trac, Djm2.127
- DJM2 Slaving from C-TRAC28
  - G-Trac228
- For Direct C-TRAC Control of the G-TRAC-228
- Economizer Trouble Shooting29
- Mechanical Cooling Trouble Shooting30
  - Cooling Not Running30

Table of Contents

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