Parker DME012-RX Manuale utente
Medical Air Dryer
DME012-RX - DME080-RX
Original Language
User Guide
aerospace
climate control
electromechanical
filtration
fluid & gas handling
hydraulics
pneumatics
process control
sealing & shielding
EN
3
DME012-RX - DME080-RX
Contents
1. Safety Information 4
1.1 Markings and symbols 5
1.2 Hazardous Substances 5
2. Description 6
2.1 Technical Specification 6
2.1.1 Dimensions 8
2.2 Unpacking the equipment 9
2.3 Overview of the equipment 10
3. Installation & Commissioning 11
3.1 Locating the equipment 11
3.2 Mechanical Installation 12
3.3 Electrical Installation 12
3.3.1 Mains supply 12
3.3.2 Hygrometer relay 13
4. Operating the equipment 14
4.1 Overview of Controls 14
4.2 Starting the equipment 14
Dewpoint Dependent Switching (DDS) 14
4.3 Stopping the equipment 14
5. Servicing 15
5.1 Cleaning 15
5.2 Service Intervals 15
5.3 Service Kits 16
5.4 Service Record 17
6. Troubleshooting guide 18
4
DME012-RX - DME080-RX
Important: Do not operate this equipment until the safety information and instructions in this user guide have been read and understood by all
personnel concerned.
Only competent personnel trained, qualified, and approved by domnick hunter should perform commissioning, service and repair
procedures.
Use of the equipment in a manner not specified within this user guide may impair safety and invalidate your warranty.
When handling, installing or operating this equipment, personnel must employ safe engineering practices and observe all related
regulations, health & safety procedures, and legal requirements for safety.
Ensure that the equipment is depressurised and electrically isolated, prior to carrying out any of the scheduled maintenance instructions specified
within this user guide.
Most accidents that occur during the operation and maintenance of machinery are the result of failure to observe basic safety rules and proce-
dures. Accidents can be avoided by recognising that any machinery is potentially hazardous.
domnick hunter can not anticipate every possible circumstance which may represent a potential hazard. The warnings in this manual cover the
most known potential hazards, but by definition can not be all-inclusive. If the user employs an operating procedure, item of equipment or a method
of working which is not specifically recommended by domnick hunter the user must ensure that the equipment will not be damaged or become
hazardous to persons or property.
Should you require an extended warranty, tailored service contracts or training on this equipment, or any other equipment within the
domnick hunter range, please contact your local domnick hunter office.
Details of your nearest domnick hunter sales office can be found at: www.domnickhunter.com
1. Safety Information
5
DME012-RX - DME080-RX
1.1 Markings and symbols
The following markings and international symbols are used on the equipment and within this user guide:
Warning
Caution
Warning
Risk of electric shock.
Highlights actions or procedures which,
if not performed correctly, may lead to
personal injury or death.
Highlights actions or procedures which,
if not performed correctly, may lead to
damage to this equipment.
Highlights actions or procedures which,
if not performed correctly, could lead to
electric shock.
Wear ear protection.
When disposing of old parts always
follow local waste disposal regulations
Conformité Européenne
1.2 Hazardous Substances
The columns are filled with a powerful desiccant material which will dry out the atmosphere, eyes, nose, and mouth if exposed.
The columns should only be opened and the desiccant changed by domnick hunter trained, qualified and approved engineer.
6
DME012-RX - DME080-RX
2. Description
domnick hunter desiccant dryers are designed to remove moisture vapour from compressed air.
The dryer comprises of an inlet and outlet manifold joined together by an aluminium column. The column has two internal chambers filled with
desiccant material. During operation one chamber is on-line (drying), whilst the opposite chamber is regenerating. This process is known as
Pressure Swing Adsorption (PSA).
Pressure Swing Adsorption (PSA)
A small percentage of dried air is taken from the dryer output flow and is used to regenerate the saturated chamber by expanding the dried air from
line pressure to atmospheric pressure. During this process, the moisture is physically removed from the regenerating chamber and vented to
atmosphere through the exhaust silencers.
Dewpoint Dependent Switching (DDS)
DDS will adjust the dryer’s cycle in line with the moisture loading placed upon it, by constantly monitoring the processed air moisture
content.
7
DME012-RX - DME080-RX
Electrical
Parameter Units DME012-RX - DME040-RX DME050-RX - DME080-RX
Supply Voltage V ac 110V ac 50/60Hz ± 10%
Power W52 30
Fuse mA
500 (230v Supply)
1000 (110v Supply)
5 x 20mm time delay “T”
Environmental
Parameter Units DME012-RX - DME080-RX
Temperature oC
(oF)
2 – 45
35 - 113
Humidity -50% @ 40ºC
(80% MAX ≤ 31ºC)
IP Rating -IP65 / >NEMA 13
Pollution Degree - 2
Installation Category -II
Altitude m
(ft)
< 2000
(6562)
Noise dB(A) <75dBA
Before continuing with the installation and commissioning of this equipment:
Ensure that it is correctly sized for the inlet pressure, taking into consideration the pressure drop caused by the valves, pipes and
filters within the system. Allowance should be made for purge air loss. The dryer should be typically sized at 1 bar (14 psi) 0.1MPa
below nominal compressor output pressure.
The purge air flow is factory set for 6 bar g (87 psi g) minimum system pressure. Should the minimum supply pressure be lower
than this figure the purge air flow must be reset in order to maintain the specified dewpoint.
Ensure that it is correctly sized for inlet temperature to meet the dewpoint specified.
Ensure that the electrical supply voltage and frequency meet the requirements detailed within this specification and on the
equipment rating plate.
Caution
2.1 Technical Specification
This specification is valid when the equipment is located, installed, operated, and maintained as specified within this user guide.
Specific
Parameter Units DME012-RX - DME040-RX DME050-RX - DME080-RX
Minimum Inlet Pressure bar g
(psi g / MPa g)
4
(58 / 0.4)
Maximum Inlet Pressure bar g
(psi g / MPa g)
16
(232 / 1.6)
13
(188 / 1.3)
Inlet Temperature ºC
(ºF)
5 – 50
41 - 122
Inlet Connection NPT Inches 3/4” 1”
Outlet Connection NPT Inches 3/4” 1”
8
DME012-RX - DME080-RX
2.1.1 Dimensions
D
E
A
110VAC
POWER
SUPPLY
HYGROMETER
DEWPOINT
RELAY
A
B
E
C
D
110VAC
POWER
SUPPLY
HYGROMETER
DEWPOINT
RELAY
BC
DME012-RX - DME040-RX DME050-RX - DME080-RX
Model
A
mm
(inches)
B
mm
(inches)
C
mm
(inches)
D
mm
(inches)
E
mm
(inches)
Weight
Kg
(lbs)
DME012-RX 837
(32.9)
302
(11.9)
284
(11.2)
794
(31.26)
352
(13.86)
32
(70)
DME015-RX 1003
(39.5)
302
(11.9)
284
(11.2)
960
(37.8)
352
(13.86)
37
(81)
DME020-RX 1168
(46.0)
302
(11.9)
284
(11.2)
1125
(44.29)
352
(13.86)
42
(92)
DME025-RX 1333
(52.5)
302
(11.9)
284
(11.2)
1290
(50.79)
352
(13.86)
47
(103)
DME030-RX 1499
(59.0)
302
(11.9)
284
(11.2)
1456
(57.32)
352
(13.86)
52
(114)
DME040-RX 1747
(68.8)
302
(11.9)
284
(11.2)
1704
(67.09)
352
(13.86)
60
(132)
DME050-RX 1433
(56.4)
566
(22.3)
220
(8.7)
1390
(54.72)
395
(15.55)
80
(176)
DME060-RX 1599
(62.9)
566
(22.3)
220
(8.7)
1556
(61.25)
395
(15.55)
90
(198)
DME080-RX 1847
(72.7)
566
(22.3)
220
(8.7)
1804
(71.02)
395
(15.55)
104
(229)
9
DME012-RX - DME080-RX
2.2 Unpacking the equipment
It is recommended that the equipment is moved into position before removing the packaging.
Remove the equipment from its packaging using the illustrations shown below for guidance and check that it has not been damaged in
transit.
Description Qty
DME-RX Dryer 1
Dryer Test Certificate 1
If any items are missing or damaged please contact your local domnick hunter office.
The following items have been included with your equipment:
10
DME012-RX - DME080-RX
2.3 Overview of the equipment
Referring to diagram below, the major parts of the dryer are as follows:
110VAC
POWER
SUPPLY
HYGROMETER
DEWPOINT
RELAY
110VAC
POWER
SUPPLY
HYGROMETER
DEWPOINT
RELAY
DME012-RX - DME040-RX DME050-RX - DME080-RX
A
A
B
B
ECO
ECO
A
A
B
B
ECO
ECO
3
4
3
4
36
4
12 12
5
5
1Mains Supply Cable
2Hygrometer Relay Cable
3Dryer Outlet
4Dryer Inlet
5Dryer Status Indicators
6Outlet Sight Glass
110 VA C
POWER
SUPPLY
HYGROMETER
DEWPOINT
RELAY
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