
UNCONTROLLED WHEN PRINTED K35-TCR104-07
REV. E, JUNE 2023
5
Table of Contents
Service Request...................................................................................................................................................4
Spare Parts Request.............................................................................................................................................4
Use of this Manual..............................................................................................................................................4
1.0 GENERAL DESCRIPTION............................................................................................................................7
1.1 Compressor..................................................................................................................................................7
1.2 Chiller..........................................................................................................................................................7
1.3 Glycol Components & System.....................................................................................................................7
1.4 Refrigeration System & Components..........................................................................................................8
1.5 Heaters (if equipped)....................................................................................................................................9
1.6 Piping Schematic.......................................................................................................................................10
2.0 OPERATION.................................................................................................................................................11
2.1 Pre-starting Check......................................................................................................................................11
2.2 Starting Check............................................................................................................................................11
2.3 Running Unit..............................................................................................................................................11
3.0 ELECTRICAL FUNCTIONS.......................................................................................................................15
3.1 General Information (Refer to Electrical Schematic)................................................................................15
3.2 Electrical Box.............................................................................................................................................15
3.3 Electrical Schematic...................................................................................................................................17
4.0 MICROPROCESSOR THERMOSTAT........................................................................................................19
4.1 General Information...................................................................................................................................19
4.2 Display Panel.............................................................................................................................................19
4.3 Temperature Sensors..................................................................................................................................21
4.4 Microprocessor Thermostat and Data logger.............................................................................................21
4.5 Microprocessor Control Sequence/ Functionality......................................................................................22
5.0 MAINTENANCE AND SERVICE INSTRUCTION...................................................................................27
5.1 General.......................................................................................................................................................27
5.2 Safety.........................................................................................................................................................27
5.3 Checking Refrigerant Charge.....................................................................................................................28
5.4 Procedure for adding refrigerant................................................................................................................28
5.5 Non-condensable gases..............................................................................................................................29
5.6 Opening the System...................................................................................................................................29
5.7 Testing for Leaks.......................................................................................................................................29
5.8 Evacuating the System...............................................................................................................................30
5.9 Glycol System............................................................................................................................................30
5.10 PTI Form..................................................................................................................................................37