Parker CDAS HL 050 Series, Installation, Operation And Maintenance Instructions, Page: 23 / 75

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Medium Flow Compressed Air Dryers - IOMI.
ELECTRICAL INSTALLATION
During installation and commissioning, the controller must be connected to a suitable power supply and configured using the dip
switches found on the main control board.
If using any of the additional functions, these should also be connected at this time.
Important Note:
Some additional features also require activation using the DIL switches found on the main control board.
Commissioning – Controller Setup Basic Installation
Before operating the dryer, the following settings must be checked and if required be reconfigured to match the requirements of the
installation:
A fully qualified electrical engineer must undertake all field wiring and electrical work in accordance with local
regulations.
Warning
Dryer Electrical Supply
The dryer can be connected to an electrical supply
in the range of 85V-265V / 1ph / 50Hz or 60Hz and
should be connected in accordance with local
wiring regulations.
Important Note:
The supplied ferrite (Part No. 74271222) must
always be fitted to the incoming supply cable and
as close as possible to the unit. Loop the cable
next to the cable grommet and fit ferrite within
the loop, covering two turns of the cable. (see
drawing)
Configure “Dewpoint setpoint”
• The control board must be set to the outlet
dewpoint for which the dryer was sized.
• This setting will also configure the EST ‘ECO’
Set Point and Dewpoint Alarm Set Point.
• Factory Default Setting for -20°C/-40°C
dryers is -40°C PDP. If a dryer is required to
provide a -20°C outlet dewpoint, reconfigure
Dipswitch Array 2, DIL Switch 5 & DIL Switch
6 as shown.
• Factory Default Setting for -70°C dryers is
-70°C PDP.
DIPSWITCH ARRAY (2)
DIL SWITCH FUNCTION OFF ON
5
Dewpoint
Setpoint
6
-20 C -40 C -70 C
DEWPOINT SET
POINT SELECTED
ECO SET POINT
DEWPOINT ALARM
SET POINT
-20°C (-4°F) -20°C (-4°F) -5°C (+23°F)
-40°C (-40°F) -40°C (-40°F) -20°C (-4°F)
-70°C (-100°F) -70°C (-100°F) -56°C (-68°F)