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DCA203D1/S1
DuraChill DCA203D1/S1 User Manual
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Operator’s Manual
DuraChill
™
Air- and Water-Cooled 2 and 3 HP Chillers
110-275
25 February 2015
2
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
4
Standard and Optional Features
4
Standard Features
4
Optional Features
4
General Safety Information
5
Safety Recommendations
5
Regulatory Compliance and Testing
7
Unpacking
7
Contents
7
Controls and Components
8
Control Panel
8
Front View
8
Rear View
9
Installation and Startup
10
Site Requirements
10
Ambient Temperature and Relative Humidity
10
Location
10
Clearance
10
External Piping
11
General Considerations
11
Process Fluid Connections
12
Facility Water Connections
12
Reservoir Drain
12
Full Flow Bypass
12
Process Coolant
14
Electrical Power
15
Optional Signal Inputs/Outputs
16
RS-232/RS-485 Serial Output
16
Remote on / off Port
16
Alarm Output
16
Startup
17
Facility Water Flow (Water-Cooled Units Only)
17
Filling the Reservoir
17
Starting Process Fluid Flow
17
Normal Operation
18
Selecting the Temperature Unit
18
Displaying and Adjusting the Set Point
18
Selecting the Pressure / Flow Rate Display and Units
19
Setting Operational Parameters / Limits
19
High Temperature Limit (HL)
21
Low Temperature Limit (LL)
21
High Ambient Temperature Limit (HA)
21
Maximum Fluid Pressure (FP)
21
Minimum Flow Rate (FL)
22
Flow Rate Calibration (Fc)
22
Auto-Refrigeration Temperature (AF)
23
Compressor Band (Cb)
23
Calibration Offset (C1)
23
Baud Rate (PC)
24
Display, Alarm and Error Messages
25
Enabling / Disabling the Local Lockout
27
Routine Maintenance and Troubleshooting
28
Routine Maintenance
28
Condenser, Air Vents and Reusable Filter
28
Fluid Filter
28
Fluid Level
28
Cleaning
28
Temperature Calibration
28
Troubleshooting
29
Diagnostic Mode
30
Technical Information
31
Controller Specifications
31
Performance Specifications - DCA200 Chillers
31
Electrical Specifications - DCA200 Chillers
32
Performance Specifications - DCA300 & DCW300 Chillers
33
Electrical Specifications - DCA300 & DCW300 Chillers
34
Pump Performance
36
RS-232 / RS-485 Communications
37
Equipment Disposal (WEEE Directive)
38
Service and Technical Support
38
Polyscience Chiller Fluids
39
Warranty
39
Appendix
40
Flow Diagram - Air-Cooled Chillers
40
Flow Diagram - Water-Cooled Chillers
41
Wiring Diagram - 208-230V, 1 Phase Air-Cooled Chillers
42
Wiring Diagram - 208-230V, 380-460V 3 Phase Air- and Water-Cooled Chillers
43
4
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DuraChill DCA203D1/S1 Specifications
General
Pump Type
Centrifugal
Temperature Stability
±0.1°C
Reservoir Capacity
20L
Refrigerant
R134a
Power Requirements
208-230V, 60Hz, 1 Phase
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