Conair VL Series User Manual
Page 3
Page: 3
UGH020/0301
VL Series Portable Chillers, 0.25 to 1.5 Tons
TABLE OF CONTENTS
1.0
GENERAL
5
1.1
Unit location
6
1.2
Efficiency
6
1.3
Safety
6
1.4
Clean air act
6
1.5
Miscellaneous
7
2.0
INSTALLATION
9
2.1
General
10
2.2
To and From process connections
10
2.3
Unit drain
11
2.4
Air-cooled condenser
11
2.5
Electrical connection
12
3.0
OPERATIONS SEQUENCE
13
3.1
General
14
3.2
Start up / operations procedure
14
3.3
Instrument operation
15
3.4
Shut down / disconnect sequence
18
4.0
TROUBLESHOOTING
19
4.1
Unit will not start
20
4.2
Pump will not start
20
4.3
Compressor will not start
20
4.4
Unit shuts down on high pressure switch
20
4.5
Unit shuts down on low pressure switch
20
5.0
MAINTENANCE
23
5.1
Warranty service procedure
24
5.2
Periodic preventative maintenance
24
5.3
Special maintenance
25
5.4
Pump repair
25
6.0
COMPONENTS
27
6.1
Water system
28
6.2
Refrigeration system
28
7.0
RELATED DRAWINGS
29
7.1
Electrical (typical)
30
7.2
Circuit schematic
31
8.0
APPENDIX
33
8.1
Specifications
34
8.2
Operations below 48°F
35
8.3
Water quality control
37
8.4
Inhibited propylene glycol
37
8.5
Chiller capacity and derate chart
39
8.6
Pressure - temperature chart for R-22
40
8.7
Engineering formulas
41
8.8
Spare parts list
42