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AEC PCA SERIES manual available for free PDF download: Operation And Installation Manual
AEC PCA SERIES Operation And Installation Manual (43 pages)
0.5 – 1.5 hp AIR COOLED PORTABLE WATER CHILLERS
Brand:
AEC
| Category:
Chiller
| Size: 0.39 MB
Table of Contents
Safety Considerations
3
Table of Contents
4
1 General Information
7
Introduction
7
Necessary Documents
7
Models Covered
7
Available Options
8
Uncrating Your New Chiller
8
In the Event of Shipping Damages
9
If the Shipment Is Not Complete
9
If the Shipment Is Incorrect
9
Returns
10
Figure 1: PCA050 Process Pump Curves
11
Figure 4: PCA Cast Iron Centrifugal Pump Curve 1/3 Hp (0.249 Kw)
12
Figure 5: PCA Series Chiller Specifications
13
2 Chiller Installation
14
Electrical Connections
14
Process Water Connections
14
PCA Condenser Air Supply
15
Water Reservoir
15
Figure 6: Ethylene Glycol Curve
16
Figure 7: Overhead Piping
17
Overhead Process Considerations
17
3 Sequence of Operation
18
Chilled Water Circuit
18
Refrigeration Circuit
18
High Pressure Cutout
19
Low Pressure Cutout
19
Remote Start/Stop Interlock
19
Figure 8: PCA Component Identification
20
Figure 9: Piping Schematic - 1 Pump with Reservoir
21
Figure 10: Piping Schematic - 1 Pump Without Reservoir
22
Figure 11: Piping Schematic - no Pump, no Reservoir
23
4 Startup Checklists
24
Introduction
24
PCA Pre-Startup Checklist
24
PCA Startup Checklist
24
PCA Water Circuit Pressure Drop Table
25
5 Microprocessor Control
26
Introduction
26
Setting the Process Water Temperature
26
LED Indicators
26
Figure 12: Typical PCA Series E5CK Microprocessor Controller
27
Temperature Controller Keys
28
Auto-Tuning PCA Series Chillers
29
5-6 Optional Communications
30
6 Optional Graphic Panel
31
Indicator Lights
31
Switches
31
Figure 13: Optional Graphic Panel
32
7 Routine Maintenance
33
Lubrication
33
Condenser Maintenance
33
Figure 15: Typical PCA Wiring Schematic
34
Figure 16: PCA Wiring Schematic for Chillers with no Pump or Reservoir
35
8 Troubleshooting Guide
37
Technical Assistance
43
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