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Contents
This operating manual must be accessible to the operating per-
sonnel at all times. Read this operating manual through careful-
ly before assembly and initial operation of the automatic rever-
sing machine.
Subject to alteration. In case of doubt, consult the manufactu-
rer. This documentation is protected by copyright. It may not be
made available to third parties without our express written agre-
ement. Reproduction or electronic recording and storage in any
form is prohibited.
1 Function and technical data
2 Safety
3 Installation
4 Operation
5 Maintenance
6 List of spare parts
7 EC Manufacturer Declaration
1 Function and technical data
Technical data
All the technical data of the various models, the associated
model numbers as well as the allocation to the respective com-
pressors are listed in the following table.
Combination
Voltage
Current Frequency
Compressor
Automatic reversing
machine
Type
Type
V
A
RA 4
RA 4 D
RA 4 S
SD 24
RAZ 4
SD 4n
RAGZ 4
200 – 240
0,041
SD 42
RA 4/1
SD 400
RA 4/1 D
SD 420
RA 4/1 S
RAZ 4/1
RAGZ 4/1
RA 6
RA 6 D
SD 5
RA 6 S
SD 52
RAZ 6
SD 54
SD 540
RAGZ 6
200 – 240
0,041
SD 5200
RA 6/1
SD 5400
RA 6/1 D
SD 6
RA 6/1 S
SD 600
RAZ 6/1
RAGZ 6/1
–
SD 6200
–
SD 6400
–
SD 7
RAZ 8
SD 72
RAGZ 8
SD 74
SD 740
RAZ 8/1
200 – 240
0,1
RAGZ 8/1
SD 80
SD 8
–
SD 82
–
SD 800
–
SD 820
–
RA 9
RA 9 D
RA 9 S
RAZ 9
SD 90
RAGZ 9
SD 9
200 – 240
0,33
SD 92
RA 9/1
SD 900
RA 9/1 D
RA 9/1 S
RAZ 9/1
RAGZ 9/1
RA 100
SD 120
RAZ 100
200 – 240
0,33
SD 140
RAGZ 100
The technical data is valid for the standard model.
Your auto-matic reversing machine may differ from this
(see "Rating plate").
Rating plate
Only the data on the rating plate is applicable for connection,
maintenance and the ordering of spare parts.
6
Switch-over time
Weight
Order
Reversing
Pulse
no.
or
neutral
Hz
s
s
kg
0,7
–
100513
–
0,35
100696
–
0,35
4,3
100697
0,7
0,35
100651
0,7
0,35
100376
50/60
0,7
–
100514
–
0,35
100698
–
0,35
4,2
100699
0,7
0,35
100652
0,7
0,35
100378
0,7
–
100515
–
0,35
100700
–
0,35
5,9
100701
0,7
0,35
100653
0,7
0,35
100380
50/60
0,7
–
100516
–
0,35
100702
–
0,35
5,7
100703
0,7
0,35
100654
0,7
0,35
100441
–
–
–
–
–
–
8,7
0,7
0,35
100706
0,7
0,35
100385
50/60
0,7
0,35
100709
0,7
0,35
100386
–
–
8,3
–
–
–
–
–
–
0,7
–
101379
–
0,35
100009
–
0,35
11,4
100387
0,7
0,35
100381
0,7
0,35
100382
50/60
0,7
–
100379
–
0,35
100010
–
0,35
11,1
100388
0,7
0,35
100383
0,7
0,35
100384
0,7
0,35
100391
50/60
0,7
0,35
15,7
100389
0,7
0,35
100390
Function
Elektror automatic reversing machines are change-over valves
for side channel compressors which are electromotively opera-
ted. They alternately apply overpressure or a partial vacuum to
pipework, installations and systems, or render them unpressuri-
zed. The associated compressor does not need to have its
direction of rotation changed or be switched off for this.
The operation of the reversing element is non-contact, and it
rests on a deep groove ball bearing which is enclosed on one
side. It is driven by an unblockable, reversible synchronous
motor.
The synchronous motor is switched to the desired position by
driving it correspondingly. All the automatic reversing machines
are manufactured of cast aluminium and are corrosion-resi-
stant.
RA...
Switch-over from pressure to suction operation
RA.../1
or vice versa.
Compressor
RA...D
Switch-over from pressure operation to neutral
RA.../1D
intermediate position (system unpressurized)
or vice versa.
Compressor
RA...S
Switch-over from suction operation to neutral
RA.../1S
intermediate position (system unpressurized)
–
or vice versa.
–
–
–
–
Compressor
–
–
RAZ...
Switch-over from pressure to suction operation
RAZ.../1
with neutral intermediate position (system
unpressurized) or vice versa.
Compressor
RAGZ...
Switch-over from pressure to suction operation
RAGZ.../1 with neutral intermediate position (system
or vice versa. The load connection is closed
in the neutral intermediate position.
Compressor
Compressor
Compressor
Compressor
Compressor
Compressor
Compressor
Compressor
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