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Presto Plus LH 50
Julabo Presto Plus LH 50 User Manual
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19532790.doc
Print date: 15.09.09
Operating Manual
Highly Dynamic Temperature Control Systems
•
with integrated programmer
LH
47
air
cooled
LH
50
water
cooled
JULABO WEST
2575 Pioneer Avenue, Suite 102
Vista, CA 92081
(760) 842-8010
(760) 842-8015
|
info @ julabo.com
Þ
www.julabo.com
JULABO EAST
754 Roble Road, Suite 180
Allentown, PA 18109
(610) 231-0250
(610) 231-0260
|
info @ julabo.com
Þ
www.julabo.com
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Intended Use
5
Description
5
Operating Manual
5
2 Operator Responsibility - Safety Instructions
5
Disposal
7
Technical Specifications
8
Cooling Water Connection
12
Operating Instructions
13
3 Safety Notes for the User
13
Explanation of Safety Notes
13
Explanation of Other Notes
13
Safety Instructions
13
4 Operating Controls and Functional Elements
16
The Presto Plus Principle with Closed External System
22
5 Preparations
23
Bath Fluids
23
Tubing
25
Installation
26
Connect the External System
26
Cooling Water Connection LH 50
28
Power Connection
29
Filling
29
Filling of External, Closed Systems
30
Degasifying
32
Draining
33
6 Operating Procedures
34
Switching on / Selecting the Language
34
7 Manual Operation
35
Start - Stop
35
Direct Setting of the Working Temperature
36
Settings in the SET Menu
36
Setting the Working Temperature
36
Warning Functions
37
Setting the Pump Pressure Stage
38
Setting the Safety Temperature (with Shutdown Function)
38
Internal / External Control
40
8 Menu Functions
40
Configuration
42
Control Parameters
45
Start of a Profile
47
Interrupting a Profile
49
Integrated Programmer
50
Analog Inputs/Outputs
53
Limits
56
Interface
56
Sensors
57
Pump
58
9 Troubleshooting Guide / Error Messages
59
10 Electrical Connections
61
11 Remote Control
64
Setup for Remote Control
64
Communication with a PC or a Superordinated Data System
65
List of Commands
66
Status Messages / Error Messages
69
12 Cleaning the Unit
70
13 Maintaining / Repairing the Unit
73
14 Warranty Provisions
75
4
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Julabo Presto Plus LH 50 Specifications
General
Temperature Stability
±0.01°C
Temperature Range
-50°C to +250°C
Heating Capacity
2 kW
Pump Pressure
0.8 bar
Power Supply
230V / 50-60Hz
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