GP Series Portable Chillers
Part Number Bulletin Number SC2-620.2 Effective 1/12/2010
We are committed to a continuing program of product improvement
ECN No Copyright 2010 All rights reserved
Shipping Information
Unpacking and Inspection
In the Event of Shipping Damage
If the Shipment is Not Complete
Table of Contents
CHAPTER 1 SAFETY
CHAPTER 3 INSTALLATION
Flow Switch
CHAPTER 7 APPENDIX
CHAPTER 5 MAINTENANCE
CHAPTER 6 TROUBLESHOOTING
Safety Symbols Used in this Manual
Chapter 1 Safety
1-1 How to Use This Manual
1-2 Warnings and Precautions
9 Wear SAFETY GLASSES and WORK GLOVES
9 Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipment
SYSTEM. This must be performed by a qualified service technician only
Chapter 2 Functional Description
2-1 Models Covered in This Manual
2-2 General Description
Chilled Water Circuit
2-3 Standard Features
Mechanical Features
Other Mechanical Features
Electrical Features
2-4 Safety Devices and Interlocks
Refrigeration Features
Controller Features
Other Features
2-5 Optional Features
Low Pressure Cutout no switch but done through the transducer
Flow Switch
High Pressure Cutout
Mounting Features
Figure 1 Optional Pump Amperages
Voltage
Construction
Full Load Amps
3-2 Electrical Connections
Chapter 3 Installation
3-1 Uncrating
3-3 Process Water Connections
3-4 Bypass Valve Considerations
3-5 Galvanic Corrosion Considerations
3-6 Water Treatment Considerations
3-7 Condenser Considerations
Water-Cooled Chiller Condensers
Air-Cooled Chiller Condensers
Remote Air-Cooled Chiller Condensers
Note Piping should be type “L” or type “K” refrigerant grade copper tubing only. Proper sizing and installation has a significant effect on system performance, reliability, and safety
17 of
Chapter 3 Installation
GP Series Portable Chillers
Figure 2 Equivalent Length in Feet for Valves and Fittings
Figure 3 Liquid Line Sizing
Line Size
Angle
10 TON CIRCUIT
Total Equiv
Length Ft
20 TON CIRCUIT
30 TON CIRCUIT
Total Equiv
Length Ft
50 TON CIRCUIT
Figure 4 Discharge Line Sizing
Chapter 3 Installation
GP Series Portable Chillers
21 of
Figure 5 Refrigerant Charge Determination
Three-Phase Compressors
3-8 Checking Motor Direction
Water Pumps
Condenser Fan
Description
3-9 Water Reservoir
Part Number
Figure 6 Ethylene Glycol and Propylene Glycol Curves
From Figure 28, 25F equates to 10% by volume of glycol required
pump
Example 45F set point minus 20F = 25F
3-11 Initial Start-Up
3-12 Finishing Setup Setting Up Passwords
3-10 Automatic Water Make-Up Option
To set password protections
1. Press the button to access the menu screen
or the following screen for the Supervisor Password
Chapter 3 Installation
6. Press to accept the Password and move to the next line
Chapter 3 Installation
GP Series Portable Chillers
28 of
4-1 Panel Buttons, Indicator Lights, and Switches
Chapter 4 Operation
Microprocessor Controller
Figure 7 - Controller Display
Figure 9 - Menu Screen
4-2 Initial Start-up
Figure 8 - Main Status Screen
Figure 11 - Main Status Screen
4-3 Status Screens
Figure 10 - Operator Setpoints Screen
32 of
GP Series Portable Chillers
Chapter 4 Operation
4-4 Access Levels
Controller Setpoints
Figure 12 - Menu Screen
Figure 13 - Operator Setpoints Screen
4-6 Alarms
4-7 Optional Communications
36 of
GP Series Portable Chillers
Chapter 4 Operation
37 of
GP Series Portable Chillers
Chapter 4 Operation
Chapter 5 Maintenance
5-2 Filter Cleaning
5-1 Lubrication
5-3 Maintaining the Condenser
5-5 Evaporator Process Piping Y-Strainer
5-6 Preventative Maintenance Service
5-4 Maintaining the Evaporator
Chapter 6 Troubleshooting
41 of
Chapter 6 Troubleshooting
GP Series Portable Chillers
Warranty Returns
Chapter 7 Appendix
7-1 Returned Material Policy
Credit Returns
Service Department
7-2 Technical Assistance
Parts Department
Sales Department
7-3 Specifications
Air-Cooled Portable Chillers
G-PAC-20
G-PAC-30
GP Series Portable Chillers
Chapter 7 Appendix
45 of
G-PAC-40
GP Series Portable Chillers
Chapter 7 Appendix
46 of
GPAC-70
GP Series Portable Chillers
Chapter 7 Appendix
47 of
GPAC-105
GP Series Portable Chillers
Chapter 7 Appendix
48 of
GPAC-175
G-PWC-30
Water-Cooled Portable Chillers
G-PWC-20
GP Series Portable Chillers
Chapter 7 Appendix
50 of
G-PWC-40
GP Series Portable Chillers
Chapter 7 Appendix
51 of
GPWC-70
GP Series Portable Chillers
Chapter 7 Appendix
52 of
GPWC-105
GP Series Portable Chillers
Chapter 7 Appendix
53 of
GPWC-175
7-4 Pump Curves, Flow, and Pressure Considerations
5-15 ALL 60 Hz
60 Hertz Pump Curves
Head ft
Capacity Gal/min
70-210 ALL 60 Hz
Head ft
5-15 ALL 50 Hz
50 Hertz Pump Curves
ACS CHILLER PUMPS
Head m
20-50 ALL 50 Hz
ACS CHILLER PUMPS
Head m
Capacity liter/min
Calculating Chiller Nominal Flow and Pressure to Process
Pure Water at 40F
7-5 Remote Air-Cooled Chiller Configurations
GP Series Portable Chillers
Chapter 7 Appendix
59 of
7-6 Typical Ductwork for Air-Cooled Chillers
61 of
GP Series Portable Chillers
Chapter 7 Appendix
7-7 Piping Diagrams
GP Series Portable Chillers
Chapter 7 Appendix
62 of
63 of
GP Series Portable Chillers
Chapter 7 Appendix
64 of
GP Series Portable Chillers
Chapter 7 Appendix
65 of
GP Series Portable Chillers
Chapter 7 Appendix
66 of
GP Series Portable Chillers
Chapter 7 Appendix
67 of
GP Series Portable Chillers
Chapter 7 Appendix
68 of
GP Series Portable Chillers
Chapter 7 Appendix
69 of
GP Series Portable Chillers
Chapter 7 Appendix
70 of
GP Series Portable Chillers
Chapter 7 Appendix
71 of
GP Series Portable Chillers
Chapter 7 Appendix
72 of
GP Series Portable Chillers
Chapter 7 Appendix
73 of
GP Series Portable Chillers
Chapter 7 Appendix
