Installation Proposal - Quincy QHD750 Instruction Book

Desiccant air dryers
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Instruction book
4.2

Installation proposal

The dryer unit (1) must be installed on a level floor suitable for taking the weight of the dryer.
There must be a free space of 1000 mm (39 in) around the dryer.
On UD+ filter (3) a drain tube must be installed. The drain pipe to the drain collector must not dip into the
water. For draining of pure condensate water, install an oil/water separator (Consult Quincy).
An outlet dust filter type DDp+ (4) (for class 2 for dust, according to ISO8573–1) is installed downstream of
the dryer (option).
Should oil vapor and odors be indesirable, a QD+ carbon filter should be installed downstream of the DDp+
filter.
It is required to install pressure relief valves on each vessel of the dryer when there are isolating valves
installed at the inlet and the outlet of the dryer to isolate the dryers from the air net.
For the dryer there is no extra ventilation needed.
Water separator (7) : High-efficiency water separator removes 90% of water from the compressed air when
by-passing the dryer. If no WSD is mounted in the compressor, a WSD must be installed downstream of
the vessel.
The drain pipes (8) to the drain collector must not dip into the water. For draining of pure condensate water,
install an oil/water separator. Consult Quincy.
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