BeaconMedaes dMED 100 Instruction Book Download

Page: 66 / 94

Operating instructions

Safety

Always observe all relevant safety instructions.

Initial start-up

To start up the air treatment unit for the first time or after a long period of standstill, proceed as follows:

1. Close the air supply towards the outlet dew point sensor and purge control sensor (if supplied).
2. Close the air supply from the compressor towards the unit by closing both inlet valves.
3. Close the outlet valve.
4. Remove the silencers of the dryers to prevent them from getting clogged by dust from the new desiccant.

Wear a dust mask, safety glasses and ear protection. (This is only required at initial start-up or after the
desiccant was replaced).

5. Start the compressors by starting the ES-MED and wait for pressure.
6. Slowly open the inlet valve of the air treatment unit.
7. Check all connections for air leaks and remedy if necessary.
8. Let the unit operate for several hours with the service commissioning function activated.
9. In case the silencers were removed, refit the silencers.

10. Check the dew point downstream the dMED unit. When the atmospheric dew point has reached -40 ˚C to

-45 ˚C (-40 ˚F to -49 ˚F), open the external outlet valve and set the flow according the specification of the
unit (see section

dMED data

Make sure that the flow does not exceed the specified flow and check what is the highest temperature the
ambient air will have.

This flow must not be directed into the air net but needs to be blown off via

another way!

The initial dew point of the air leaving the unit will be higher than normal after starting.

Since the air needs to be according to Pharmacopoeia regulations, it is necessary to run the dryer for
minimum 24 hours with the outlet air blown off to make sure that the pipes are not contaminated.

11. When the atmospheric dew point has reached -48 ˚C (-54 ˚F), it is necessary to perform a validation of

the air quality according Pharmacopoeia.
When the quality of the air is confirmed, change over from blow off circuit to the air system by switching
these valves. The records of these tests must be kept by the user at all times.

12. Gradually open the external outlet valve.
13. Open the air supply towards the purge control sensor.

At initial start-up, and specially when the dryer is loaded from the beginning, it can take a
long time before the dew point is reached.
It is therefore recommended to operate the dryer for a number of days with the outlet valve
closed.

•

All valves, couplings and pipes used/installed after the unit must be free from oil and
grease (hydrocarbon contamination below 550 mg/m

) and dust (particles size below

50 micrometer).

•

For the location of the external inlet valve and external outlet valve (customer’s
installation), see section

Installation proposal

•

Before starting the unit make sure that all pipes are connected and that items in drains
or pipes for protection during transport are removed.

Instruction book

2920 7099 70