| AC442 | 3
en
1901016-85
Contents
1
Symbols use
................................................... 4
1.1
In the documentation...............................4
1.1.1
Warning notices- Structure and
meaning...................................................................4
1.1.2
Symbols in this documentation
.....4
1.2
On the product...........................................4
2
Important notes ........................... 4
2.1
User
group
................................................4
2.2
Agreement
.................................................4
2.3
Obligation of contractor
......................5
2.4
Safety regulations
..................................6
2.4.1
AC442
.......................................................6
2.5
Safety devices............................................8
2.6
Proper disposal..........................................8
2.7
Recycled material disposal.....................8
2.8
Packaging disposal....................................8
2.9
Disposal of combo filter...........................8
2.10
Technical Data............................................8
2.11
Glossary.......................................................8
3
Product description ..................... 9
3.1
Application
.................................................9
3.2
Scope of delivery
....................................9
4
Description of unit ..................... 10
5
Input Selection .......................... 12
5.1
Selection and function key....................12
5.2
Display screen..........................................13
5.3
Main Menu Options................................13
5.4
Unit Features............................................13
5.4.1
EcoLOCK
®
couplers (optional)......13
5.4.2
Locking caster brakes
......................13
5.4.3
Power supply cable and switch
...13
5.5
Functional description
........................14
6
Equipment installation............... 15
6.1
Unpacking AC442
.................................15
7
Commissioning .......................... 16
7.1
Connections and positioning
............16
7.2
First start-up verification
...................16
7.3
Setup
.........................................................17
7.4
Internal Bottle Fill
.................................17
8
A/C service preparation .............. 18
8.1
Preliminary preparation
.....................18
8.2
Non-condensable gas discharge
.....18
8.3
Charge Modes
.........................................18
8.3.1
Quick Modes
........................................18
8.3.2
Zero tolerance mode
.......................18
9 A/C system service ..................... 19
9.1
Automatic cycle setup............................19
9.2
Manual cycle setup.................................19
9.3
Recovery process....................................20
9.4
Vacuum process......................................20
9.5
Charge process........................................20
9.6
Vehicle Pressure Check
......................21
9.7
Unit of measure
....................................21
9.8
Clock
Adjustment...................................21
9.9
Setting language.....................................21
10
Maintenance ............................... 22
10.1
Maintenance interval
..........................22
10.2
Filling internal refrigerant cylinder
22
10.3
Self test
.....................................................23
10.4
Pressure zero
..........................................23
10.5
Counters
....................................................23
10.6
Long life pump test
..............................23
10.7
Vacuum pump oil change
..................24
10.8
Replace filter dryer
................................24
10.9
Printer maintenance (optional)
.......25
10.10
Periodic checks
......................................25
11
Spare parts ................................. 26
12
Maintenance ............................... 27
12.1
Vacuum pump oil change.....................27
12.2
Filter dryer change..................................29
12.3
Refrigerant load cell calibration check32
12.4
Other checks/maintenance/repairs......33
12.5
Notes..........................................................35
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