Page 1
Installation and Operating Instructions
Ultra-Quiet Mini
Lab Compressors
Models 22222-22, -23
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Contents
Important information
1 About this document � � � � � � � � � � � � � � � 3
1�1 Warnings and symbols � � � � � � � � � � � � �3
2 Safety� � � � � � � � � � � � � � � � � � � � � � � � � � � � 3
2�1 Intended use � � � � � � � � � � � � � � � � � � � � � �3
2�2 Improper use� � � � � � � � � � � � � � � � � � � � � � 4
2�3 General safety information � � � � � � � � � � 4
2�4 Qualified personnel � � � � � � � � � � � � � � � � 4
2�5 Protection from electric shock� � � � � � � �4
2�6 Only use genuine parts � � � � � � � � � � � � � 4
2�7 Transportation and storage � � � � � � � � � �4
2�8 Disposal� � � � � � � � � � � � � � � � � � � � � � � � � �5
Product description
3 Overview � � � � � � � � � � � � � � � � � � � � � � � � � 6
3�1 Unit details � � � � � � � � � � � � � � � � � � � � � � � 6
3�2 Specifcations� � � � � � � � � � � � � � � � � � � � � � 7
3�3 Pressure tank� � � � � � � � � � � � � � � � � � � � � �7
3�4 Declaration of conformity for machines
in accordance with the 2006/42/EC
Directive � � � � � � � � � � � � � � � � � � � � � � � � �8
Operation
6 Operation � � � � � � � � � � � � � � � � � � � � � � � 11
6�1 Switching the unit on/off � � � � � � � � � � � 11
6�2 Setting the pressure reducer� � � � � � � � 11
7 Maintenance � � � � � � � � � � � � � � � � � � � � �12
7�1 Maintenance schedule � � � � � � � � � � � � �12
7�2 Preparations when replacing a filter� �12
7�3 Replacing the air intake filter� � � � � � � �12
7�4 Replacing the filter (5 µm) in the
condensate separator� � � � � � � � � � � � � � 13
7�5 Replacing the optional fine filter
(0�01 µm) � � � � � � � � � � � � � � � � � � � � � � � � 14
7�6 Checking the fan� � � � � � � � � � � � � � � � � � 14
7�7 Cleaning � � � � � � � � � � � � � � � � � � � � � � � � 14
Troubleshooting
8 Tips for operators and service
technicians � � � � � � � � � � � � � � � � � � � � � �15
Installation
4 Requirements � � � � � � � � � � � � � � � � � � � � � 9
4�1 Installation/setup room � � � � � � � � � � � � � 9
4�2 Pressure vessel test � � � � � � � � � � � � � � � � 9
5 Commissioning and first startup� � � � � � 9
5�1 Remove the packaging� � � � � � � � � � � � � �9
5�2 Establishing the compressed air
connection� � � � � � � � � � � � � � � � � � � � � � � � 9
5�3 Condensate � � � � � � � � � � � � � � � � � � � � � � 10
5�4 Electrical installation � � � � � � � � � � � � � �10
5�5 Overtemperature protection � � � � � � � �10
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Page 3
Important information
1 About this document
These installation and operating instructions
represent a part of the unit� They correspond
to the relevant version of the unit and the
status of technology valid at the time of its
market launch�
In the event that the instructions and notes
in these installation and operating instructions for are not observed, Cole-Parmer
accepts no warranty or liability of any kind
for the safe operation and reliable function
of the unit�
1.1 Warnings and symbols
Warnings
The warnings in this document are intended
to draw your attention to possible injury to
persons or damage to machinery�
The following warning symbols are used:
The signal word differentiates between four
levels of danger:
DANGER: Immediate danger of severe
injury or death
WARNING: Possible danger of severe injury
or death
CAUTION: Risk of minor injuries
NOTICE: Risk of extensive material/property
damage
Other symbols
These symbols are used in the document
and on or in the unit:
Comply with the specification in the
accompanying documents�
Date of manufacture�
General warning symbol
Warning – dangerous high voltage
Warning – hot surfaces
Warning – automatic start-up of the
unit
The warnings are structured as follows:
SIGNAL WORD
Description of the type and source
of danger
Here you will find the possible
consequences of ignoring the
warning
– Follow these measures to avoid
the danger�
Dispose of the unit properly and in
accordance with applicable national,
regional and local laws�
Switch off and de-energize the unit
(e�g� unplug from mains)�
2 Safety
Cole-Parmer has developed and constructed
the units in such a way that danger is to a
large extent excluded if the units are used as
intended� Nevertheless, residual risks can
remain� You should therefore observe the
following notes�
2.1 Intended use
The unit is intended for the compression of
atmospheric air� The unit has been designed
for operation in dry, ventilated rooms� The
unit must not be operated in a damp or wet
environment� Its use in the vicinity of gases
or flammable liquids is prohibited� Only
operate the units in a stationary, upright
position�
3
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Page 4
2.2 Improper use
Any other usage or usage beyond this scope
is deemed to be improper� The manufacturer
accepts no liability for damages resulting
from this� In these cases the user/operator
will bear the sole risk�
WARNING
Serious injury and material damage
due to improper usage
– Conveying explosive mixtures in
any way other than that specified is
not permitted�
2.3 General safety information
– When operating this device always observe
all guidelines, laws, and other rules and
regulations that are applicable at the site of
operation�
– Prior to each use, check condition of the
device and make sure it is in perfect
working order�
– Do not convert or modify the units�
– Observe the Installation and Operating
Instructions�
– Make the Installation and Operating
Instructions available to the person
operating the device at all times�
2.5 Protection from electric shock
– When working on the units observe all the
relevant electrical safety regulations�
– Immediately replace any damaged cables
or plugs�
2.6 Only use genuine parts
– Only use parts and accessories that are
specified or approved by Cole-Parmer�
– Only use original working and spare parts�
Note: Cole-Parmer accepts no liability
for damage resulting from the use of
non-approved accessories, special
accessories or any working parts or spare
parts other than original parts�
2.7 Transportation and storage
The original packaging provides optimum
protection for the unit during transport�
Note: Cole-Parmer will not accept any
responsibility or liability for damage
occurring during transport due to the use
of incorrect packaging, even where the unit
is still under guarantee�
– Only transport the unit in its original
packaging�
– Keep the packing materials out of the reach
of children�
2.4 Qualified personnel
Operation
Persons who operate the units must ensure
safe and correct handling based on their
training and knowledge�
– Instruct or have every user instructed in
handling the unit�
Installation and repairs
– Always arrange for any assembly work,
readjustments, alterations, extensions, and
repairs to be performed by Cole-Parmer or
by personnel authorized and trained by
Cole-Parmer�
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WARNING
Risk of explosion of the pressure
vessel and pressure hoses
Serious personal injury and material
damage
– The pressure vessel and the pres-
sure hoses must be vented before
they are stored or transported�
– Protect the unit from moisture
during transportation�
– Always transport the unit in an
upright position�
– Only transport the unit using the
transport handles provided�
Page 5
The unit may be stored in its original
packaging
– in warm, dry and dust-free rooms;
– protected from contaminants�
If possible, retain the packaging
material�
Ambient conditions during storage and transport
Temperature –13 to 131°F (–25 to 55°C)
Humidity 10 to 90% RH
Please refer to the labels on the packaging
padding�
2.8 Disposal
Unit
Dispose of the unit properly and in
accordance with applicable national,
regional and local laws�
Packaging
Dispose of the packaging material
in an environmentally responsible
manner�
– Note current disposal routes�
– Keep the packing materials out of the reach
of children�
5
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Page 6
Product description
9
12
1
2
3
4
6
5
7
14
15
3 Overview
3.1 Unit details
The unit draws in atmospheric air and
compresses it� The oil-free compressed air is
then transported to the pressure vessel� The
oil-free and filtered air is made available to
the consumers in the pressure vessel�
If compressed air is removed for a consumer, the pressure in the vessel drops�
When the switch-on pressure is reached,
the unit is automatically switched on again
via the pressure switch� When the cut-off
pressure is reached, the unit is automatically
switched off� A safety valve prevents the
maximum permissible vessel pressure from
being exceeded�
11
10
8
Front view
8) Quick-release coupling (regulated)
9) On/off switch
10) Pressure gauge
11) Unit cover
12) Unit cover lock
Top view (without unit cover)
1) Pressure vessel
2) Safety valve
3) Pressure switch
4) Air intake filter
5) Pressure reducer with condensate
separator and 5 µm filter
6) Solenoid valve (not applicable to the
115 V models)
7) Operating time counter
6
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Rear view
13) Carry handle
14) Condensate drain hose
15) Power plug with fuses
13
Page 7
3.2 Specifications
Catalog number 22222-22 22222-23
Electrical data
Electrical frequency 50 Hz 60 Hz 60 Hz
Nominal voltage 115 V 115 V 115 V
Rated power 0.35 kW 0.38 kW 0.58 kW
Nominal current 4.0 A 3.2 A 4.8 A
Nominal pressure 101.5 psi (7 bar) 101.5 psi (7 bar) 101.5 psi (7 bar)
Mains fusing 4 A 4 A 8 A
General data
Pressure vessel volume 0.5 gal. (2 L) 0.5 gal. (2 L) 0.5 gal. (2 L)
Delivery quantity at 0 psi (0 bar) 9.5 GPM (36 L/min) 11 GPM (42 L/min) 20.3 GPM (77 L/min)
Delivery quantity at 72.5 psi (5 bar) 5.3 GPM (20 L/min) 6 GPM (23 L/min) 10.8 GPM (41 L/min)
Delivery quantity at 101.5 psi (7 bar) 4.2 GPM (16 L/min) 4.8 GPM (18 L/min) 7.7 GPM (29 L/min)
Duty cycle 100% 100%
Switch-on / cut-off pressure 72.5 to 101.5 psi (5 / 7 bar) 72.5 to 101.5 psi (5 / 7 bar)
Safety pressure PS 116 psi (8 bar) 116 psi (8 bar)
Speed 1370 rpm 1630 rpm 1620 rpm
Noise level (at nominal pressure) 52 dB(A) 53 dB(A) 54 dB(A)
Weight 35.3 lb (16 kg) 44.1 lb (20 kg)
Dimensions* (L x W x H) 15.6" x 12.6" x 11.6" (396 x 321 x 295 mm)
Ambient conditions during operation
Temperature 41 to 104°F (5 to 40°C) 41 to 104°F (5 to 40°C)
Humidity 0 to 95% RH 0 to 95% RH
Ambient conditions during storage and transport
Temperature –13 to 131°F (–25 to 55°C) –13 to 131°F (–25 to 55°C)
Humidity 10 to 90% RH 10 to 90% RH
15.6" x 12.6" x 11.6"
(396 x 321 x 295 mm)
*Dimensions without quick-release coupling and hose nozzle�
3.3 Pressure tank
Pressure vessels from Behälter-Werk Burgau GmbH are installed in the unit�
Max operating pressure
Vessel volume 0.5 gal. (2 L)
Application Pressure vessel for stationary systems
Corrosion allowance 0.04" (1.0 mm)
Maximum temperature 212°F (100°C)
Minimum temperature 14°F (–10°C)
Medium Air/nitrogen
Applied standards EN 286-1:1998/A2:2005
The pressure vessel must only be used in accordance with the aforementioned intended purpose and in accordance with the specified technical data� Other forms of use are not permitted
for reasons of safety� The pressure vessel has been designed in accordance with Directive
2014/29/EU and has been manufactured as a single component without safety equipment for
the application area detailed above� The unit has been designed for internal pressure loads�
The design is intended for predominantly static internal pressure loads and covers the
following operating parameters: 1000 load changes from 0 to PS and capable of sustained
operation within a pressure fluctuation range of 2�2 bar (20% PS)�
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PS in 159 psi (11 bar). The vessel is capable of sustained operation
within a pressure fluctuation range of 2.2 bar (20% PS).
7
Page 8
3.4 Declaration of conformity for machines in accordance
with the 2006/42/EC Directive
We hereby declare that the unit described below conforms to all
requirements of the machine directive 2006/42/EC�
The unit named below fulfills the requirements of the following directives:
– Electromagnetic Compatibility (EMC) Directive 2014/30/EU
– Simple pressure vessel directive 2014/29/EU
– RoHS directive 2011/65/EU
We hereby declare that the unit may only be commissioned once it has
been established that the machine into which this unit is to be installed
complies with the provisions as set out in Machinery Directive 2006/42/EC�
The following harmonised standards and other standards have been
applied:
DIN EN 1012-1:2011-02
DIN EN 60034-1:2011-02
DIN EN 60034-5:2007-09
DIN EN 60335-1:2014-11
DIN EN 61000-6-2:2011-06
DIN EN 61000-6-3:2012-11
DIN EN 60204-1:2010-05
DIN EN ISO 12100:2013-08
Bietigheim-Bissingen, 01/06/2017
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Page 9
Installation
14
15
4 Requirements
4.1 Installation/setup room
The room chosen for set up must fulfill the
following requirements:
– Closed, dry, well-ventilated room�
– Should not be a purpose-made room
(e� g� boiler room or wet room)�
– Set up the unit on a clean, level and
sufficiently stable surface (take the
weight of the unit into account)�
– Set up or install the unit so that the type
plate can be easily read and the unit is
easily accessible for operation and
maintenance�
– Set up the units so that the socket to which
the units is connected is easily accessible�
– Room temperature: 41 to 104°F (5 to 40°C)�
– Ensure that there is sufficient distance to
the wall so that the air can flow in and out
without any obstruction�
Note: The air is filtered when it is sucked in�
This does not alter the composition of the
air� The source of the air taken in should be
free of any harmful substances (e�g� do not
draw in air from an underground garage or
directly next to a suction machine)�
NOTICE
Risk of overheating due to
insufficient ventilation
The units generates heat� Possibility
of heat damage and/or reduced
service life of the unit�
– Do not cover the unit�
– Air must be able to flow in and out
unobstructed�
– Ventilation openings must be
sufficiently large�
– Installed units may require an
independent ventilation system
in unfavorable cases�
The unit must only be operated on a stable,
even base� The unit must not be used as a
climbing aid� Danger of breakage! The trolley
must not be used to hold the unit when in
operation� Place a collector tray under the
black hose (14) on the rear of the unit to
collect any condensate that is blown out�
13
WARNING
Do not reach into the fan grille with
your fingers or any objects
Risk of injury from fan blades�
4.2 Pressure vessel test
The owner must comply with the national
directives�
5 Commissioning and first startup
5.1 Remove the packaging
The unit is securely protected with packaging material to ensure safe transportation�
Remove the packaging material�
Remove the protective film�
Check the unit for damage in transit�
Only lift the unit using the transport handles
and/or from the bottom�
5.2 Establishing the compressed
air connection
The unit has a 0�28" (7�2 mm) quick-release
coupling on its outer side� The matching
hose nozzle for a connecting hose with an
internal diameter of 0�35" (9 mm) is included
in the scope of delivery�
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Page 10
CAUTION
Damage to the quick-release cou-
pling if the cover of the unit is open
The quick-release coupling can be
damaged due to high compressive
forces during connection of the
pressure hose�
– The cover of the unit must be
closed and locked�
Quick-release coupling – operating panel
The compressed-air connection to the
pressure reducer has a constant pressure
(set at the factory) of 0 to 0 to 87 psi (6 bar)�
The pressure can be adjusted via the pressure reducer in the unit – see "6�2 Setting the
pressure reducer"�
– Compressed air is extracted at the quick-
release coupling 0�28" (7�2 mm) via a hose
adapter piece on the operating panel�
– Secure the pressure hose to the hose
adapter piece using a hose clip�
– Connect the hose adapter piece to the
quick-release coupling�
5.3 Condensate
When air from the surrounding atmosphere
is compressed, different amounts of condensate will accumulate in the pressure vessel
depending on the humidity and temperature
of the air� This condensate is collected via the
integrated condensate separator, which is
located between the pressure vessel and the
compressed air connection� As soon as a
certain fill level is reached in the separator,
the condensate is drained off to the outside
via the condensate drain hose (14)�
– Place a collector tray under the condensate
drain�
– Or: direct the condensate drain hose into
a wastewater floor drain�
5.4 Electrical installation
– Connect the power cord to the mains
socket on the rear of the unit
– Connect the power cord to a properly
installed mains socket with PE conductor�
– Route the power cord in such a way that it
is not under any mechanical tension�
– Before commissioning, verify that the
power supply voltage complies with the
voltage specifications of the type plate�
DANGER
Risk of electric shock due to
damaged power cord or plug
Electric shocks can cause severe
injuries�
– Do not start up the unit if the
power cord or plug is damaged�
– Replace the damaged power cord�
5.5 Overtemperature protection
The motors in the units are equipped with a
temperature switch that switches the unit off
if it overheats� If this happens, you will first
need to determine the cause of the fault and
then remedy it�
Note: If the unit is switched off via the
temperature switch, the fan of the unit will
continue to run�
NOTICE
Automatic start-up of the unit after
cooling down
– Allow unit to cool down�
14
10
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Page 11
Operation
10
9
5
9
5
6 Operation
Prior to working on the device or in
case of danger, disconnect it from the
mains (e� g� pull the mains plug)�
DANGER
Risk of electric shock due to defective
cable connections and risk of burns
due to hot surfaces if the unit is
operated with the cover open�
During operation, the unit is under a
live voltage and its surfaces get hot�
– The cover of the unit must be
closed during operation�
– Regularly check cable connections
for damage�
6.1 Switching the unit on/off
9) On/off switch
– The unit is switched on by pressing the
on/off switch (9)� The unit starts up and the
pressure vessel is filled� When the cut-off
pressure is reached the unit switches off
automatically�
– The unit is switched off by pressing the
on/off switch (9) again�
6.2 Setting the pressure reducer
10
8
5) Pressure reducer
8) Quick-release coupling
9) On/off switch
10) Pressure gauge
The pressure reducer (5) regulates the
desired working pressure at the quickrelease coupling (8)�
The pressure reducer (5) can be adjusted�
The maximum constant operating pressure
is 72�5 psi (5 bar)�
Adjusting the pressure reducer:
8
The constant operating pressure can be
adjusted by turning the pressure reducer (5)�
The pressure can be read off at the pressure
gauge (10)�
– To increase the supply pressure: Turn the
pressure reducer (5) clockwise towards "+"�
– To decrease the supply pressure: Turn the
pressure reducer (5) counterclockwise
towards "-"�
Maximum operating pressure 116 psi (8 bar)
Switch-on / cut-off pressure
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72.5 / 101.5 psi
(5 / 7 bar)
11
Page 12
7 Maintenance
12
11
4
4a
De-energize the unit prior to working on it or in the event of potential danger
(e� g� pull the mains plug) and prevent it from being switched back on again�
7.1 Maintenance schedule
Maintenance interval Maintenance work
Monthly Check the fan, clean the unit (see "7.6 Checking the fan")
Annually
Annually
Every 7 operating hours
In accordance with
national law
Replace the air intake filter – if there is a high concentration of dust, this
must be carried out every six months (see "7.3 Replacing the air intake filter")
Replace the filter (5 µm) in the condensate separator
(see "7.4 Replacing the filter (5 µm) in the condensate separator")
Replace the fine filter (0.01 µm) in the hose of the blower pistol
(see "7.5 Replacing the optional fine filter 0.01 µm")
Performance of recurring safety inspections (e.g. pressure container inspections,
electrical safety inspections) in accordance with applicable national laws.
7.2 Preparations when replacing a filter
The following steps need to be carried out
before any maintenance work can be
performed on the unit:
– Allow the unit to cool down�
– Switch off the unit�
– Disconnect the mains plug and prevent the
unit from being switched back on again�
– Evacuate the unit using e�g� a compressed
air pistol (accessory) connected to the
quick-release coupling until the pressure
gauge displays 0 psi (0 bar)�
– Open the lock on the unit cover�
– Lift up the unit cover�
11) Unit cover
12) Unit cover lock
7.3 Replacing the air intake filter
– Pull off the noise reducer from the air
intake filter�
18
4) Air intake filter
18) Noise reducer
– Pull out the air intake filter element from
the air intake filter�
4a) Air intake filter element
– Insert a new air intake filter element and
slide it into the air intake filter�
– Push the noise reducer onto the air intake
filter and close the cover of the unit�
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Page 13
7.4 Replacing the filter (5 µm) in the
21
22
21
22
23
24
25
21
condensate separator
– Detach the cheese head screws of the hold-
ing bracket (pressure reducer with condensate separator) from the frame of the unit
using a 4 mm Allen key�
– Disconnect two hoses as shown from the
condensate separator� Press back the
release ring on both sides with your fingers or using a release tool and keep it
pressed in this position� Pull the hose
straight out of the push fit connection�
20
5
19
– Replace the filter element of the fine filter
and close it off with a black sealing cap�
– Screw on the cover of the condensate
separator� Push in the hoses as far as they
will go into the relevant push fit connection
and lightly tug on them to check they are
securely seated� Avoid subjecting the hose
connections to tensile forces or torsion
forces�
23) Cover of the condensate separator
24) Fine filter filter element
25) Sealing cap
22
– Screw the holding bracket for the pressure
reducer with condensate separator to the
5) Pressure reducer with condensate
separator
frame of the unit and close the cover of
the unit�
19) Holding bracket
20) Hexagon socket screws
21) Release ring
22) Hose
– Take out the condensate separator to the
top, allowing the condensate hose to
remain on the condensate separator�
– Undo the cover of the condensate
separator by twisting it clockwise�
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Page 14
7.5 Replacing the optional
16
fine filter (0.01 µm)
Pull off the hoses from the filter�
– Push the hose ends onto the new filter and
secure them with the cable ties�
7.6 Checking the fan
Perform a monthly visual inspection of the
fan to check that it moves freely� If a fan is
locked the unit must be taken out of operation� The fans run constantly when the
compressor is operational�
7.7 Cleaning
– Regularly check the ventilation openings
on the front and rear of the unit for soiling�
Clean if required�
– Remove dirt and dust deposits from the
interior of the unit�
– Wipe the surface of the unit with a damp
cloth� Cleaning agents may cause
discoloration of the surface�
16
16) Ventilator
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Page 15
Troubleshooting
8 Tips for operators and service technicians
Any repairs above and beyond routine maintenance must only be carried out by suitably
qualified personnel or by a Cole-Parmer service technician�
Prior to working on the device or in case of danger, disconnect it from the mains
(e� g� pull the mains plug)�
Fault Probable cause Solution
Unit does not start No power supply voltage Switch on the unit.
Check that the power supply matches the data
on the type plate.
Check the mains plug.
Check the fuses on the power plug / replace
them as required.
Air intake filter blocked Insert a new air intake filter.
Compressor is overloaded Disconnect the unit from the mains supply and
Unit too noisy Mechanical damage Contact customer service.
Unit does not switch
off even though no air
is being taken
Reduction in airflow Air intake filter soiled Replace the air intake filter at least 1x per year.
Water dripping from
air consumers
Leak in the system Check external lines for leak-tightness.
Excessive ambient temperature Ensure that cooling is more effective.
Unsuitable materials drawn in Only convey approved materials.
Pressure reducer with
condensate separator and fine
filter 5 µm defective
allow it to cool down.
Reduce the ambient temperature.
Check that the application is suitable.
Contact customer service.
Contact customer service.
The air intake filter must never be cleaned.
Contact customer service.
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Page 16
Toll-free: 1-800-323-4340
Phone: 1-847-549-7600
Fax: 1-847-247-2929
ColeParmer.com
©2018 Cole-Parmer Instrument Company, LLC.
Warranty
This instrument is warrantied against defects in materials and
workmanship for a period of one (1) year from the date of
invoice� For claims under the warranty, please contact
Cole-Parmer� The warranty does not cover fair wear and tear
of parts or accessories, nor does it apply to improper use,
abnormal operation or insufficient maintenance which is not
in accordance with the instructions in this user manual�
Repairs/return delivery
Ensure that the unit is depressurized before transport!
Use the original packaging when returning units, if possible�
Always pack the units in a plastic bag� Use recyclable packing
material�
Note: If you need to contact Cole-Parmer for troubleshooting
or repairs, please provide the model number and serial
number of the unit�
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