Quantech QWC3050T-200T - Page 8

FORM QWC3-NM1
ISSUE DATE: 11/20/2020
QUANTECH
8
LIST OF FIGURES
FIGURE 1 - QWC3 Water Cooled Liquid Chiller ....................................................................................................13
FIGURE 2 - Control / Panel Compowwnents ..........................................................................................................18
FIGURE 3 - Control Power Panel Components ......................................................................................................19
FIGURE 4 - Unit Components ................................................................................................................................20
FIGURE 5 - Control / Power Panel Components Dual System Units ..................................................................... 21
FIGURE 6 - Refrigerant Flow Diagram ...................................................................................................................26
FIGURE 7 - Process and Instrumentation Diagram ................................................................................................27
FIGURE 8 - Chiller Rigging And Lifting Weights ..................................................................................................... 30
FIGURE 9 - ANSI/AWWA C-606 - Adapter Flanges ........................................................................................................ 34
FIGURE 10 - Direct Pressure Control Diagram ...................................................................................................... 35
FIGURE 11 - Inlet Temperature Control Diagram ...................................................................................................35
FIGURE 12 - Chilled Liquid System .......................................................................................................................36
FIGURE 13 - Condenser Cooling Liquid System ....................................................................................................36
FIGURE 14 - Pipework Arrangements Legend .......................................................................................................36
FIGURE 15 - Cooler Connections ..........................................................................................................................36
FIGURE 16 - Control Wiring ...................................................................................................................................40
FIGURE 17 - Evaporator Water Pressure Drop Curves ........................................................................................43
FIGURE 18 - Condenser Water Pressure Drop Curves .........................................................................................44
FIGURE 19 - Glycol Solution Strengths ..................................................................................................................45
FIGURE 20 - Single Point Power Supply Connection – Standard Unit .................................................................. 60
FIGURE 21 - Dual Point Power Supply Connection – Standard Unit ..................................................................... 61
FIGURE 22 - Control Circuit, 4 Compressor ...........................................................................................................66
FIGURE 23 - Control Circuit, 5 And 6 Compressor ................................................................................................68
FIGURE 24 - Power Circuit, 4 Compressor With Non Fused Disconnect Switch Or Circuit Breaker ..................... 70
FIGURE 25 - Power Circuit, 4 Compressor With Circuit Breaker ........................................................................... 71
FIGURE 26 - Power Circuit, 5 And 6 Compressor ..................................................................................................72
FIGURE 27 - Power Circuit, 6 Compressor ............................................................................................................ 73
FIGURE 28 - Connection Wiring Diagram, 4 Compressor .....................................................................................74
FIGURE 29 - Connection Wiring Diagram, 4 Compressor .....................................................................................76
FIGURE 30 - Connection Wiring Diagram, 5 And 6 Compressor ...........................................................................78
FIGURE 31 - Connection Wiring Diagram, 6 Compressor .....................................................................................80
FIGURE 32 - Elementary Wiring Diagram Details, 4 Compressor .........................................................................82
FIGURE 33 - Elementary Wiring Diagram Details, 5 And 6 Compressor ...............................................................84
FIGURE 34 - Elementary Wiring Diagram, EEV Controller, 4 And 6 Compressor ..................................................86
FIGURE 35 - EEV IB-G Interface Board ...............................................................................................................108
FIGURE 36 - Unit Keys Options Programming Quick Reference List ..................................................................145
FIGURE 37 - Leaving Water Temperature Control Example ................................................................................148
FIGURE 38 - Setpoint Adjust ................................................................................................................................ 148
FIGURE 39 - Microboard Layout ..........................................................................................................................158
FIGURE 40 - I/O Board Relay Contact Architecture ............................................................................................. 162
FIGURE 41 - Micro Panel Connections ................................................................................................................ 171