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DK 5000 - 10000 ECO
7
Components
01 Compressed air outlet
02 Compressed air inlet
03 ON/OFF switch
07 Heat exchanger
08 Hot gas bypass valve
09 Condensate discharger (float diverter)
10 Refrigerant compressor
11 Condensate outlet
12 Expansion valve
13 Refrigerant filter dryer
14 Refrigerant condensator
15 Ventilator motor
16 Ventilator
18 Refrigerant buffer
8
Commissioning
Observe the safety instructions!
8.1
Transport
• Depressurise compressed air cold dryer
and place in vertical position prior to trans-
porting
8.2
Installation
Conditions at the installation location
• Rooms: as dust-free as possible, dry, well
ventilated.
Assembly
• Maintain 50 cm of clearance space around
the compressed air cold dryer to allow
maintenance, sufficient ventilation and
correct functioning of the unit.
• Pipelines in the direct vicinity of the com-
pressed air cold dryer must be secured at
a minimum of one fixed attachment point.
• Never use the compressed air cold dryer as
a means of supporting pipelines.
• Make sure that the compressed air cold
dryer does not cause vibrations in the pipe-
line system.
• We recommend installing a bypass line to
perform maintenance without interrupting
operation.
• When assembling the inlet and outlet lines,
hold the connection on the compressed air
cold dryer using a suitable tool to prevent
it from rotating!
12
• Do not use conical threads or connections.
• Do not expand or modify the threads on
the connection lines.
• Seal the threads on the connection lines
correctly: up to 3/4" with Loctite 243, the
remainder with Teflon tape.
Electrical connection
• The mains voltage must match that speci-
fied on the rating plate.
• Electric protection according to technical
data.
• Observe VDE regulations 0100 and 0105.
When using extension cords: cable cross-
section:
min.
length: 3 m.
Before first use
1. Carry out a visual inspection.
2. Check the electrical connection.
9
Operation
Observe the safety instructions!
9.1
Use
1. Connect the compressed air cold dryer to
the mains power supply.
2. Switch on the compressed air cold dryer
at the ON/OFF switch. The condensate
discharge and the preheater on the com-
pressor (DK 10000 ECO only) are acti-
vated.
Note for DK 10000 ECO:
If the refrigerant compressor remains
switched off for long periods, it must be
preheated for four hours prior to subse-
quent use. Compressed air must NOT be
supplied during this time.
3. Introduce compressed air into the sys-
tem slowly.
9.2
Temperature control
Illustration, see fig. 5a
The temperature of the cooled compressed
air appears in the display field.
Control behaviour
The ECO indicator F lights up and the RL 1
relay is deactivated as long as the measured
temperature remains within the normal val-
ue range.
If the temperature falls to +2° C and stabi-
lises for 10 minutes, the control system
switches the dryer off. The control system
2,5 mm²;
max.
cable
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