Domnick Hunter Pneudri Midas DAS 1, Instruction Manual, Page: 12 / 184

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3.0 START-UP AND OPERATION
3.1 INTIAL STARTUP
Ensure a suitable supply of compressed air between 4 bar g (58 psi g) and 12 bar g
(175 psi g) pressure is available and check that the dryer cannot be overflowed. Inlet
temperature must be between 1.5°C (35°F) to 50°C (122°F) at all times.
IMPORTANT NOTE
Ensure all valves are opened and closed gradually.
Proceed as follows: (Refer to figure 1)
3.2 WITHOUT THE BY-PASS LINE (D)
Close inlet (E) and outlet (F) valves.
Introduce air to the dryer by gradually turning the inlet valve (E) until fully open.
Allow dryer to fully pressurise, then gradually open the outlet valve (F).
Switch on the electrical isolator, the yellow ‘power on’ LED and the green ‘correct
operation’ LED will illuminate and the dryer will commence cycling. The dryer is now
on stream.
3.3 USING THE BY-PASS LINE (D)
With the inlet (E) and outlet (F) valves closed and the by-pass (G) valve open,
introduce air to the dryer by gradually turning inlet valve (E) until fully open.
Allow the dryer to fully pressurise, then open the outlet valve (F) while simultaneously
closing the by-pass valve (G).
Switch on the electrical isolator, the yellow ‘power on’ LED and the green ‘correct
operation’ LED will illuminate and the dryer will commence cycling. The dryer is now
on stream.
3.4 NORMAL OPERATION
Following the start-up procedure the operation of the dryer is fully automatic and
requires no further attention until shut down.
The yellow ‘power on’ LED and the green ‘correct operation’ LED should be illuminated
continuously.
!
✓
* Power On
Correct Operation *