QUANTECH
7
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
TABLE OF CONTENTS (CONT'D)
SECTION 6 - COMMISSIONING ............................................................................................................................91
Preparation ..................................................................................................................................................... 91
Inspection .............................................................................................................................................91
Refrigerant Charge ................................................................................................................................ 91
Correct System Refrigerant Charge ......................................................................................................91
Service and Oil Line Valves ...................................................................................................................91
Compressor Oil .....................................................................................................................................91
Fans .....................................................................................................................................................92
Isolation / Protection .............................................................................................................................. 92
Control Panel .........................................................................................................................................92
Power Connections ...............................................................................................................................92
Grounding ..............................................................................................................................................92
Water System ........................................................................................................................................92
Flow Switch ...........................................................................................................................................92
Temperature Sensor(s) ..........................................................................................................................92
Programmed Options ............................................................................................................................92
Programmed Settings ...........................................................................................................................92
Date and Time .......................................................................................................................................92
Start/Stop Schedule ..............................................................................................................................93
Setpoint and Remote Offset ..................................................................................................................93
First Time Start Up .........................................................................................................................................93
Interlocks ...............................................................................................................................................93
Unit Switch ............................................................................................................................................93
Startup ................................................................................................................................................... 93
Oil Pressure ...........................................................................................................................................93
Loading ..................................................................................................................................................93
Condenser and Fan Rotation ................................................................................................................93
System Charge ......................................................................................................................................93
General Operation ......................................................................................................................................... 93
Operation in Sub-freezing Conditions ...................................................................................................94
Unit Maintenance and Shutdown in Sub-freezing Conditions ..............................................................94
SECTION 7 - OPERATION .....................................................................................................................................95
Operating Controls .........................................................................................................................................95
Unit Switch ............................................................................................................................................95
Keypad ..................................................................................................................................................95
Keypad Data Entry Mode ......................................................................................................................96
Display ...................................................................................................................................................96
Anti-recycle Timer ..................................................................................................................................96
Evaporator Pump Control ...................................................................................................................... 96
Evaporator Heater Control ....................................................................................................................96
Alarms ...................................................................................................................................................97
Chiller Run Contact ...............................................................................................................................97
Flow Switch Control ...............................................................................................................................97
Remote Run / Stop ................................................................................................................................ 97
Basic Operating Sequence .............................................................................................................................97
Start Sequence and Loading .................................................................................................................97
Unit Warning ...................................................................................................................................................97
Unit Warning Operation .........................................................................................................................97
Low Battery Warning .............................................................................................................................97
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