Janitza AHF
4
Contents
1. Information on the device and the user manual
6
1. 1
Disclaimer
6
1. 2
Copyright
notice
6
1. 3
Technical
changes
6
1. 4
Defective
device/disposal
6
2. Safety 7
2. 1
Symbols
used
7
2. 2
Safety
measures
8
2. 3
Electrically
qualified
personnel
8
2. 4
Intended
use
8
2. 5
Warranty in the event of damage
8
2. 6
Information on setting up the device
9
2. 7
Information
on
storage
9
2. 8
Standards
10
3. Scope
of
delivery
11
3. 1
Accessories
(optional)
11
4. Product
description
12
4. 1
Device
description
12
4. 2
Type
designation
12
4. 3
Product
features
13
4. 4
Dimensional
drawings
14
4. 5
Operating
principle
16
5. Installation and power connection
18
5. 1
Before
installation
18
5. 2
Electrical
connection
21
5. 2. 1 Closed
loop
21
5. 2. 2 Open
loop
22
5. 2. 3 Electrical connection of an AHF single module
23
5. 2. 4 Location of the current and signal interfaces
24
5. 3
Electrical connection of more than one module with LCD display
27
5. 3. 1 Electrical connection of modules with LCD display
with
different
capacities
29
5. 4
Electrical connection of several modules without display
30
5. 4. 1 Electrical connection of the AHF R 400 V 50 A AHF
30
5. 4. 2 Electrical connection of modules without display with
different
capacities
32
5. 5
Installation of the current transformers
33
5. 5. 1 Current
transformer
selection
34
5. 5. 2 CT installation on the load side (open loop)
35
5. 5. 3 CT installation on the grid side (closed loop)
37
5. 5. 4 Connection of an AHF to a Janitza UMG
40
