Quantech
9
Form QTC3-NM1
Issue date: 12/19/2023
List of tables
Table 1: Canadian Registration Numbers ............................................................................................................... 16
Table 2: Complete Pin number description ............................................................................................................. 25
Table 3: Chemical specication of water .................................................................................................................43
Table 4: Temperatures and Flows ........................................................................................................................... 47
Table 5: Ethylene and Propylene Glycol Correction Factors ..................................................................................49
Table 6: Physical data and nominal data ................................................................................................................50
Table 7: Micropanel Power Supply .........................................................................................................................57
Table 8: Voltage Range ...........................................................................................................................................57
Table 9: Pump Electrical Data 60 Hz ......................................................................................................................58
Table 10: Transformer Load .................................................................................................................................... 58
Table 11: Electrical data without pumps, R-410A ....................................................................................................59
Table 12: Electrical data without pumps, R-454B ...................................................................................................65
Table 13: Wiring lugs ..............................................................................................................................................70
Table 14: Drive programming parameters ............................................................................................................122
Table 15: QTC3 Fault and Inhibit Codes ...............................................................................................................138
Table 16: Legend ..................................................................................................................................................138
Table 17: Cooling Setpoint, Programmable Limits, and Defaults ..........................................................................151
Table 18: Program key limits and default ..............................................................................................................154
Table 19: Program key limits and default ..............................................................................................................156
Table 20: Minimum, Maximum and Default Values ............................................................................................... 167
Table 21: Values Required for BAS Communication ............................................................................................168
Table 22: Real Time Error Numbers .....................................................................................................................169
Table 23: Sample compressor staging for return water control ............................................................................173
Table 24: QTC3 Standard Condenser Fan Control Using Discharge Pressure Only
(2, 3, or 4 Fans per System) .................................................................................................................177
Table 25: QTC3 Standard Condenser Fan Control Using Discharge Pressure Only
(5 or 6 Fans per System) ......................................................................................................................178
Table 26: Compressor Operation Load Limiting ...................................................................................................179
Table 27: I/O Digital Inputs ....................................................................................................................................183
Table 28: I/O Digital Outputs .................................................................................................................................183
Table 29: I/O Analog Inputs ...................................................................................................................................183
Table 30: I/O Analog Outputs ................................................................................................................................183
Table 31: Outdoor Air Sensor Temperature/Voltage/Correlation ........................................................................... 185
Table 32: Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation ................................ 186
Table 33: Pressure Transducers ...........................................................................................................................187
Table 34: Data logging to ash .............................................................................................................................189
Table 35: Troubleshooting.....................................................................................................................................193
Table 36: Cleaning materials ................................................................................................................................198
Table 37: Temperature conversion chart ...............................................................................................................199
Table 38: R-410A pressure temperature chart ......................................................................................................200
Table 39: R-454B pressure temperature chart ......................................................................................................201
Table 40: SI-metric conversion .............................................................................................................................202
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