Ingersoll-Rand XF250 User manual

80447097
Revision B
November 2018
Save These Instructions
Contact-Cooled Rotary Screw Air Compressor
Operators Manual/Options
XF250, HP250, EP250, XP250
XF300, HP300, EP300
XFE300, EPE300, HPE300
XF350, EP350, HP350
XF400, EP400, HP400
XF450, EP450, HP450
EPE250-2S, XFE250-2S, HPE250-2S, HXPE250-2S
EPE300-2S, XFE300-2S, HPE300-2S, HXPE300-2S
EPE350-2S, XFE350-2S, HPE350-2S, HXPE350-2S
EPE400-2S, XFE400-2S, HPE400-2S, HXPE400-2S
EPE450-2S, XFE450-2S, HPE450-2S, HXPE450-2S
EPE500-2S, XFE500-2S, HPE500-2S, HXPE500-2S
Operators Manual/Options
EN
Manual del operador/Opciones
ES
Manuel del’opérateur/Options
FR
Opções/Manual deoperadores
PT
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CONTENTS
CONTENTS.......................................2
FOREWORD......................................3
SAFETY ..........................................4
RECEIPT OF EQUIPMENT..........................5
INSPECTION ..........................................5
UNPACKING AND HANDLING ..........................5
TOOLS ................................................5
INSTALLATION ...................................6
VENTILATION .........................................6
FOUNDATION REQUIREMENTS.........................6
PIPING................................................6
ELECTRICAL INSTALLATION............................8
OUTDOOR SHELTERED INSTALLATION ................ 10
INTELLISYS .....................................11
INTELLISYS CONTROLS ............................... 11
DISPLAY SCREEN ..................................... 12
CURRENT STATUS .................................... 12
MAIN MENU ......................................... 13
OPERATOR SETPOINTS ............................... 14
OPTIONS ............................................ 15
SENSOR CALIBRATION................................ 15
ALARM HISTORY ..................................... 16
CLOCK FUNCTIONS .................................. 16
INTEGRAL SEQUENCING.............................. 17
WARNINGS .......................................... 17
ALARMS ............................................. 19
SCHEDULED PREVENTATIVE MAINTENANCE ..... 20
MAINTENANCE SCHEDULE ........................... 20
MAINTENANCE RECORDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
MAINTENANCE PROCEDURES ........................ 20
INLET AIR FILTER ..................................... 20
COOLANT FILTER..................................... 21
SEPARATOR TANK SCAVENGE SCREEN/ORIFICE ........ 22
COOLANT SEPARATOR ELEMENT...................... 22
COOLER CORES: CLEANING........................... 23
COOLANT/LUBRICANT CHANGEOUT .................. 25
INTELLISYS REMOVAL ................................ 25
SYSTEMS .......................................27
GENERAL SYSTEM INFORMATION ..................... 27
AIR COOLED COMPRESSORS.......................... 27
COOLANT SYSTEM ................................... 27
COMPRESSED AIR SYSTEM............................ 27
COOLANT/AIR SEPARATION SYSTEM .................. 28
ELECTRICAL SYSTEM ................................. 28
CAPACITY CONTROL ................................. 28
AUTOMATIC START/STOP CONTROL................... 29
REMOTE START/STOP................................. 30
TROUBLESHOOTING CHART ..................... 31
OPTIONS .......................................33
POWER OUTAGE RESTART WITH SCHEDULED
START/STOP ......................................... 33
SEQUENCER ......................................... 33
LOW AMBIENT ....................................... 33
SEPARATOR DELTA-P SOLENOID ...................... 33
SEPARATOR DELTA-P SENSOR ......................... 33
HIGH DUST FILTER ................................... 33
LEAD/LAG CYCLE LENGTH............................ 33
SCHEDULEDSTART/STOP ............................. 33
REMOTE LOAD/UNLOAD ............................. 33
MODBUS ............................................ 33
INTEGRAL SEQUENCING.............................. 33
WATER QUALITY RECOMMENDATIONS . . . . . . . . . . . 35
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FOREWORD
The contents of this manual are considered to be proprietary
and condential to Ingersoll Rand and should not be
reproduced without the prior written permission of
Ingersoll Rand.
Nothing contained in this document is intended to extend
any promise, warranty or representation, expressed or
implied, regarding the Ingersoll Rand products described
herein. Any such warranties or other terms and conditions
of sale of products shall be in accordance with the standard
terms and conditions of sale for such products, which are
available upon request.
This manual contains instructions and technical data to
cover routine operation and scheduled maintenance tasks
by operation and maintenance sta. Major overhauls are
outside the scope of this manual and should be referred to an
authorised Ingersoll Rand service department.
Any modication to any part is absolutely prohibited and
would result in the CE certication and marking being
rendered invalid.
All components, accessories, pipes and connectors added to
the compressed air system should be:
of good quality, procured from a reputable manufacturer
and, wherever possible, be of a type approved by
Ingersoll Rand.
clearly rated for a pressure at least equal to the machine
maximum allowable working pressure.
compatible with the compressor lubricant/coolant.
accompanied with instructions for safe installation,
operation and maintenance.
Details of approved equipment are available from
Ingersoll Rand Service departments.
The use of non−genuine spare repair parts other than those
included within the Ingersoll Rand approved parts list may
create hazardous conditions over which
Ingersoll Rand has no control. Therefore Ingersoll Rand
does not accept any liability for losses caused by equipment
in which non−approved repair parts are installed. Standard
warranty conditions may be aected.
Ingersoll Rand reserves the right to make changes and
improvements to products without notice and without
incurring any obligation to make such changes or add such
improvements to products sold previously.
The intended uses of this machine are outlined below and
examples of unapproved usage are also given, however
Ingersoll Rand cannot anticipate every application or work
situation that may arise.
IF IN DOUBT CONSULT SUPERVISION.
This machine has been designed and supplied for use only in
the following specied conditions and applications:
Compression of normal ambient air containing no
known or detectable additional gases, vapors or
particles.
Operation within the ambient temperature range
specied in the PRODUCT SPECIFICATION SHEET.
•
•
•
•
•
•
The use of the machine in any of the situation types listed
in table 1:−
Is not approved by Ingersoll Rand,
May impair the safety of users and other persons,
and
May prejudice any claims made against
Ingersoll Rand.
TABLE 1
Use of the machine to produce compressed air for:
direct human consumption
indirect human consumption, without suitable
ltration and purity checks
a)
b)
Use of the machine outside the ambient temperature
range specied in the PRODUCT SPECIFICATION SHEET.
Use of the machine where there is any actual or foreseeable
risk of hazardous levels of ammable gases or vapors.
THIS MACHINE IS NOT INTENDED AND MUST NOT BE USED
IN POTENTIALLY EXPLOSIVE ATMOSPHERES, INCLUDING
SITUATIONS WHERE FLAMMABLE GASES OR VAPOURS MAY
BE PRESENT.
Use of the machine tted with non Ingersoll Rand
approved components.
Use of the machine with safety or control components
missing or disabled.
The company accepts no responsibility for errors in
translation of this manual from the original English version.
a)
b)
c)
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SAFETY
Locate, read, understand and follow all Danger, Warning,
Caution, and Operating Instructions on the product and in all
Manuals. Failure to comply with safety precautions described
in the manuals supplied with the product, this manual or any
of the labels and tags attached to the product may result in
death, serious injury or property damage.
Check that all labels, tags and data (name) plates are in place
and legible.
It is your responsibility to make this information available to
others.
If you have any questions about safety or procedures not
included in this manual, ask your supervisor or contact any
Ingersoll Rand oce or qualied Ingersoll Rand distributor.
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RECEIPT OF EQUIPMENT
INSPECTION
When you receive the compressor please inspect it closely.
Any indication of careless handling by the carrier should be
noted on the delivery receipt especially if the compressor will
not be immediately uncrated. Obtaining the delivery man’s
signed agreement to any noted damages will facilitate any
future insurance claims.
IMPORTANT
READ THIS
LOST OR DAMAGED GOODS
THOROUGHLY INSPECT THIS SHIPMENT
IMMEDIATELY UPON ARRIVAL
OUR RESPONSIBILITY FOR THIS SHIPMENT
CEASED WHEN THE CARRIER SIGNED
BILL OF LADING
If goods are received short or in damaged condition,
it is important that you notify the carrier and insist on
a notation of the loss or damage across the face of the
freight bill. Otherwise no claim can be enforced against the
transportation company.
If concealed loss or damage is discovered, notify your
carrier at once and request an inspection. This is absolutely
necessary. Unless you do this the carrier will not entertain
any claim for loss or damage. The agent will make an
inspection and grant a concealed damage notation. If you
give the transportation company a clear receipt for goods
that have been damaged or lost in transit, you do so at
your own risk and expense.
WE, AT INGERSOLL RAND, ARE WILLING TO ASSIST YOU IN
EVERY POSSIBLE MANNER TO COLLECT CLAIMS FOR LOSS
OR DAMAGE, BUT THE WILLINGNESS ON OUR PART DOES
NOT MAKE US RESPONSIBLE FOR COLLECTION OF CLAIMS
OR REPLACEMENT OF MATERIAL.
THE ACTUAL FILING AND PROCESSING OF THE CLAIM IS
YOUR RESPONSIBILITY.
Ingersoll Rand Company
Davidson, North Carolina
APDDGFO-99-79
UNPACKING AND HANDLING
The compressor package has been mounted on a base which
provides for forklifting between the two side channels to
facilitate handling during shipment. Care in positioning the
forklifts is important because the location of the center of
gravity is strongly aected by the location of the compression
module and drive motor.
Slings can be used to lift the crates, but spreader bars must
be used to prevent the slings from exerting a force against
the sides of the crates.
TOOLS
Remove compressor unit from wooden skid. A crowbar and
hammer will be needed.
FORKLIFT PADDING
WILL REDUCE SCRATCHES
AND MARS
SPREADER
BARS
IMPORTANT
Before starting this air compressor unit, the shipping
brace(s) must be removed. Save the brace(s) for future
use.
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INSTALLATION
VENTILATION
Oil ooded rotary air compressors produce large amounts of
heat. Because of this large heat production, the compressor
must be placed in a room with adequate ventilation.
If heated air from the compressor exhaust is allowed to
recirculate back to the compressor, the compressor will
overheat and shut down. This heat must be exhausted from
the room. You should take this into consideration when you
decide where to place the compressor within your plant.
Consider that the required maintenance clearance is 3 ft (.9
m) all around the compressor.
However 42” (1.06m), or minimum required by latest NEC or
applicable local codes, must be maintained in front of control
panel.
Ambient temperatures higher than 115°F (46°C) should be
avoided as well as areas of high humidity.
Consider also the environment surrounding or near the
compressor. The area selected for the location of the
compressor should be free of dust, chemicals, metal lings,
paint fumes and overspray.
DUST CHEMICALS
METAL
FILINGS PAINT SPRAY
OVERSPRAY
FOUNDATION REQUIREMENTS
The compressor can be installed on any level oor that is
capable of supporting it. Compressor weights are listed on
the foundation plans.
When sound transmission is of particular importance it is
often helpful to install a sheet of rubber-fabric-matting,
or cork under the compressor to reduce the possibility of
resonant sounds being transmitted or amplied through the
oor.
NOTICE
Never elevate the compressor unit above the oor level.
This may allow air to enter the cabinet under the base.
Performance will be aected.
36”
(.9 m)
36” (.9 m)
42” (1.06m) OR
CODE MINIMUM
PIPING
The use of plasticbowls on line lters without metal guards
can be hazardous. Their safety can be aected by either
syntheticlubricants or the additives used in mineral oil. From
a safety standpoint, metal bowls should be used on any
pressurized system. Review of your plant air line system is
recommended.
WARNING
Do not use plastic pipe, soldered copper ttings or
rubber hose for discharge piping.
The built-in aftercooler reduces the discharge air temperature
well below the dew point (for most ambient conditions),
therefore, considerable water vapor is condensed. To remove
this condensation, each compressor with built-in aftercooler
is furnished with a combination condensate separator/trap.
A dripleg assembly and isolation valve should be mounted
near the compressor discharge. A drain line should be
connected to the condensate drain in the base.
IMPORTANT
The drain line must slope downward from the base to
work properly.
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INSTALLATION
NOTE
For ease of inspection of the automatic drain trap
operation, the drain piping should include an open
funnel.
It is possible that additional condensation can occur if the
downstream piping cools the air even further and low points
in the piping systems should be provided with driplegs and
traps.
IMPORTANT
Discharge piping should be at least as large as the
discharge connection at the compressor enclosure. All
piping and ttings must be suitable for the maximum
operating temperature of the unit and, at a minimum,
rated for the same pressure as the compressor sump
tank.
NOTICE
Do not use the compressor to support the discharge
pipe.
Careful review of piping size from the compressor connection
point is essential. Length of pipe, size of pipe, number and
type of ttings and valves must be considered for optimum
eciency of your compressor.
It is essential when installing a new compressor to review the
total plant air system. This is to ensure a safe and eective
total system.
Liquid water occurs naturally in air lines as a result of
compression. Moisture vapor in ambient air is concentrated
when pressurized and condenses when cooled in
downstream air piping.
Moisture in compressed air is responsible for costly problems
in almost every application that relies on compressed air.
Some common problems caused by moisture are rusting
and scaling in pipelines, clogging of instruments, sticking of
control valves, and freezing of outdoor compressed air lines.
Any of these could result in partial or total plant shutdown.
Compressed air dryers reduce the water vapor concentration
and prevent liquid water formation in compressed air lines.
Dryers are a necessary companion to lters, aftercoolers,
and automaticdrains for improving the productivity of
compressed air systems.
DISCHARGE PIPING WITH AFTERCOOLER
ROTARY-RECIP IN PARALLEL
200
160
120
80
40
0
DEW POINT
without
Aftercooling
100°F/38°C
(with
Aftercooler)
35°F /1.7°C
(Refrigerated
Dryer)
-40°F/-40°C
(Desiccant
Dryer)
Gallons of Water/24
hours/1000 acfm
MOISTURE CONTENT OF COMPRESSED AIR
Two types of dryers, refrigerated or desiccant, are used
to correct moisture related problems in a compressed air
system. Refrigerated dryers are normally specied where
compressed air pressure dew points of 33°F (1°C) to 39°F (4°C)
are adequate. Desiccant dryers are required where pressure
dew points must be below 33°F (1°C).
Contact your local Ingersoll Rand distributor for assistance
in selecting correct Ingersoll Rand ltration or drying
products.
NOTICE
Screw type compressors should not be installed in
air systems with reciprocating compressors without
a means of pulsation isolation, such as a common
receiver tank.We recommend both types of compressor
units be piped to a common receiver utilizing individual
ili
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INSTALLATION
When two rotary units are operated in parallel, provide an
isolation valve and drain trap for each compressor before the
common receiver.
ELECTRICAL INSTALLATION
Locate the compressor data plate on the side of the cooler
box or end of the unit.
The data plate lists the rated operating pressure, the
maximum discharge pressure and the electricmotor
characteristics and power.
Conrm that the line voltage and compressor nameplate
voltage are the same and that the standard starter box meets
the intent of NEMA 1 guidelines.
Open the starter box door. Conrm that all electrical
connections are made and tightened. Conrm that the
control transformer is wired correctly for supply voltage.
See Figure: TYPICAL CONTROL TRANSFORMER WIRING .
PRESSURE
RELIEF
VALVE
PRESSURE
GAUGE
ROTARY TWO COMPRESSOR SYSTEM
110
110
110 110V
FIGURE : TYPICAL CONTROL TRANSFORMER WIRING
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INSTALLATION
Inspect the motor and control wiring for tightness. Close and
fasten the starter box door.
ROTATION CHECK
Locate the rotation decal on each motor.
DRIVE MOTOR
The correct compressor drive motor rotation is clockwise
when viewed from the rear or non-drive end of the motor.
See Figure: DRIVE MOTOR ROTATION.
CAUTION
If the compressor is operated in the opposite direction
of rotation, airend damage can result and is not
warrantable.
DRIVE
END
NON-DRIVE
END
FIGURE: DRIVE MOTOR ROTATION
The Intellisys will automatically shut the unit down if the
compressor rotation is incorrect, and the display will indicate
“CHECK MOTOR ROTATION” and will ash “ALARM”.
For the compressor motor rotation check, the motor jogging
time must be as short as possible.
After depressing the start button, IMMEDIATELY depress the
“EMERGENCY STOP” button. Should the motor rotation be
incorrect, put main disconnect in the OFF position, lock and
tag. See Figure MAIN DISCONNECT LOCKED AND TAGGED
HASP
KEY
LOCK
LEVER
TAG
FIGURE MAIN DISCONNECT LOCKED AND TAGGED
Open the starter box door.
Interchange any two line connections (L1, L2 or L3) at the
starter. Close and fasten the starter box door.
Recheck for correct rotation.
FAN MOTOR
Observe the compressor cooling fan. The rotation should
be in accordance with the fan rotation decal axed to the
fan motor. Cooling air should exhaust through fan end of
compressor enclosure.
Should the motor rotation not be correct, put the main
disconnect in the OFF position, lock and tag.
Interchange any two fan motor leads at the fan motor
manual starter (MMS). Close and fasten the starter box door.
Recheck for correct rotation.
Fan motor rotation is clockwise when viewed from the fan
motor side.
INTELLISYS OPERATING INSTRUCTIONS
Read and understand the following Intellisys Operating
Instructions (See Figure INTELLISYS OPERATING
INSTRUCTIONS) prior to operating the unit.
NOTICE
These instructions are also contained on the decal near
the Intellisys panel of the unit.
FIGURE: INTELLISYS OPERATING INSTRUCTIONS
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INSTALLATION
OUTDOOR SHELTERED INSTALLATION
Many times a compressor must be installed outside due to
jobsite conditions or limited space within a manufacturing
facility. When this occurs there are certain items that should
be incorporated into the installation to help ensure trouble
free operation. These items have been listed below plus
Figure TYPICAL OUTDOOR SHELTERED INSTALLATION
has been included to show a typical outdoor sheltered
installation. The unit must be purchased with the Outdoor
Modication Option to provide NEMA 4 electrics and a
cabinet exhaust on the end of the unit rather than the top to
prevent recirculation of cooling air.
The compressor should be on a concrete pad designed
to drain water away. If the concrete pad is sloped, then
the compressor must be leveled. In order to properly
pull cooling air through the aftercooler, the base/skid
must be sealed to the concrete pad.
The roof of the shelter should extend a minimum of 4
ft (1.2 m) around all sides of the compressor to prevent
direct rain and snow from falling on the unit.
Air-cooled machines must be arranged under the shelter
in a way that prevents air recirculation (i.e. hot exhaust
back to the package inlet).
If the installation includes more than one compressor,
the hot air exhaust should not be directed towards the
fresh air intake of the second unit or an Air Dryer.
If a standard machine is to be installed outside, the
ambient temperature must never drop below 35°F
(1.7°C).
If ambient temperature drops below 35°F (1.7°C) to as
low as –10°F (–23°C) the unit must be supplied with the
Low Ambient Option. Installations below –10°F (–23°C)
ambient are not recommended. The Low Ambient
•
•
•
•
•
•
Option requires a separate power source to operate
internal heaters.
Arrange the machine with the Intellisys controller/
starter enclosure facing away from the sun as radiant
heat can aect starter/lntellisys performance. Also direct
sunlight and UV rays will degrade the membrane touch
panel. This is not a warrantable situation.
Power disconnect switch should be within line of sight
and in close proximity to the unit. N.E.C. and local
electrical codes must be followed when installing the
power disconnect switch.
Condensate drains must never be allowed to dump on
the ground. Run to a suitable sump for future collection
and disposal or separation of lubricant and water
mixture.
Incoming power connections must use suitable
connectors for outdoor weather tight service.
A minimum of 3 ft (.9 m) clearance must be allowed on
all four sides of the unit for service access. If possible,
access by a forklift and/or an overhead beam hoist
should be kept in mind (for eventual service to airend or
motor).
If the area around the installation contains ne airborne
dust or lint and bers etc., then the unit should be
purchased with the High Dust Filter Option and TEFC
motors.
If larger debris, such as leaves or trash, are blowing
in the area, the Inlet Panel Filter Accessory should be
purchased and added to the unit (ship loose item).
Some type of protection such as a fence or security
system, should be provided to prevent unauthorized
access.
•
•
•
•
•
•
•
•
FIGURE : TYPICAL OUTDOOR SHELTERED INSTALLATION
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INTELLISYS
INTELLISYS CONTROLLER
INTELLISYS CONTROLS
EMERGENCY STOP
Pressing this switch stops the compressor immediately. The
compressor can not be restarted until the switch is manually
reset. Turn the switch knob clockwise to reset.
EMEG
STOP
POWER ON LIGHT
This indicates the control voltage and the line voltage are
available for starting.
POWER
ON
The operator panel is divided into two areas. The bottom
row of four buttons provides direct control over the starting,
stopping, unloading and loading of the compressor.
These are dened by the symbols printed on the buttons
themselves, as shown here.
START
Pressing this button will start the compressor if the display
shows “Read
y
To Start”. The com
p
ressor will start and load if
there is sucient demand for air.
STOP
Pressing this button will activate the unloaded stop
sequence. If the compressor is running loaded, it will
unload and continue to run unloaded for an adjustable 10
to 30 seconds and then stop. If the compressor is running
unloaded, it will stop immediately.
UNLOAD
Pressing this button will cause the compressor to unload and
remain unloaded. The display will indicate the machine is
“Running Unloaded”, and “Mode: UNLOAD”.
LOAD
Pressing this button will cause the compressor to load if the
compressor is running and if the“Discharge Pressure” is less
than the “Online Pressure”. This also returns the machine to
the o
p
eratin
g
mode that is s
p
ecied b
y
the “Mode of
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INTELLISYS
Operation” set point.
The other ve buttons provide access to various operator-
selectable functions and machine operating conditions. The
purpose of each of these buttons is dened by the display
screen and the particular function being performed at that
time.
ARROWS
These up and down buttons have multiple functions
relating to the right half of the display screen. When lists are
presented, the buttons are used to move up or down through
the items on the list. The small arrow(s) displayed in the
upper right corner of the display screen indicate when you
can move up (designated by arrow head pointing up) and/or
down (designated by arrow head pointing down) through
the list.
When the value of a specicmachine operating parameter
is highlighted on the display screen for the purpose of
changing that value, the buttons are used to change the
value itself.
DISPLAY BUTTONS
The functions of the three buttons below the display screen
change and are dened by the words immediately above
them in the bottom line of the screen. Each function, such
as MAIN MENU, STATUS, SET, etc., is described in appropriate
sections in this manual.
DISPLAY SCREEN
1 0 0 P S I
Running Loaded
Mode: MOD/ACS
- CURRENT STATUS-
Package Discharge Temp
103°F
Airend Discharge Temp
193°F
MAIN MENU
The display screen is divided into three functional areas, as
seen in the typical CURRENT STATUS screen shown here.
The left side continuously shows the package discharge
pressure in large numbers, with the line directly below the
numbers showing the running condition of the machine, and
the line below that showing the present mode of operation.
The right side shows various items or lists such as the
machine’s CURRENT STATUS readings, the MAIN MENU, the
OPERATOR SETPOINTS list, etc. Any of the lists can be moved
up or down by pressing the arrow buttons to the right of the
screen. The small arrow(s) displayed in the upper right corner
of the screen indicate when you can move up (designated
by arrow head pointing up) and/or down (designated by
arrow head pointing down) through a list. The arrow buttons
are also used to change an individual item’s value. At certain
times, items and/or their values are “highlighted”. This means
they are displayed as light characters on a dark background.
The bottom of the screen is divided into thirds with the words
in each small box showing the function of the button directly
beneath it. The words will change in these boxes depending
on what actions are permitted at any particular time. The
action resulting from pressing each of these buttons is
indicated in Figure INTELLISYS OPERATOR PANEL FLOW
DIAGRAM, which can be used as a quick reference of how to
step the controller screen through any desired function.
CURRENT STATUS
1 0 0 P S I
Running Loaded
Mode: MOD/ACS
-CURRENT STATUS-
Package Discharge Temp
103°F
Airend Discharge Temp
193°F
MAIN MENU
The CURRENT STATUS screen is considered the “normal”
display that the controller shows.
The following items and their present values can be displayed
on the right side of the screen by pressing the up and down
arrow buttons.
CURRENT STATUS Items
Discharge Temperature
Inlet Vacuum
Airend Discharge
Temperature Inlet Filter
Injected Temperature Total Hours
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INTELLISYS
Separator Pressure Drop
% Load Modulation
Unloaded Inlet Vacuum
Coolant Pressure
Time & Date
Coolant Filter Software Title and Version
The controller automatically returns the display to this
CURRENT STATUS screen from other screens if no buttons are
pressed within 30 seconds.
The MAIN MENU screen can be accessed from the CURRENT
STATUS screen by pressing the MAIN MENU button, identied
by the words “MAIN MENU”in the bottom line of the screen
directly above the center button.
CURRENT STATUS
MAIN MENU*
OPERATOR
SETPOINTS** OPTIONS**
SENSOR
CALIBRATION**
ALARM
HISTORY**
OPERATOR
SETPOINTS
ITEM***
OPTIONS
ITEM***
SENSOR
CALIBRATION
ITEM****
ALARM
HISTORY
ITEM*****
“Main Menu”
“Select” “Select” “Select” “Select”
“Main Menu”
“Main Menu”
“Main Menu”
“Main Menu” “Main Menu”
“Main Menu”
“Status”
“Status” “Status”
“Status”
“Status”
“Status”
“Status”
“Select”
”teS
“
ro”
l
ec
n
a
C
“”teS“ ro”
l
ec
n
a
C
““Cancel” or “Set”
“Cancel” or “Calibrate”
CLOCK
FUNCTIONS
DATE AND
TIME
“Select”
“Main Menu”
“Main Menu”
“Status”
“Status”
“Cancel” or “set”
INTEGRAL
SEQUENCING
INTEGRAL
SEQUENCING
ITEM***
“Select”
“Main Menu”
“Main Menu”
“Status”
“Status”
“Cancel” or “set”
“Alarm Hist.” “Cancel ot Set” “Cancel ot Set”
NOTE
Use the UP and DOWN arrows to move between selections. Items will be highlighted in inverse display mode.
* Selecting the highlighted item will display the corresponding menu.
** Selecting the highlighted item will place the value in edit mode. This is indicated by only the value being displayed in
inverse display mode.
*** The UP and DOWN arrows will alter the value. Depressing“Cancel” will exit the edit mode and leave the value
unchanged. Depressing
“Set” will save the new value and ash the value to indicate acceptance.
**** Depressing “Cancel” will exit calibration mode. Depressing “Calibrate”will calibrate selected sensor.
***** Use UP and DOWN arrows to scroll through list of status items.
Figure -INTELLISYS Operator Panel Flow Diagram
MAIN MENU
1 0 0 P S I
STATUS SELECT
Ready To Start
-MAIN MENU-
Operator Setpoints
Options
Sensor Calibration
Alarm History
Clock Functions
The MAIN MENU screen is the point from which various
operator functions can be accessed. Refer to the reference
diagram in Figure INTELLISYS OPERATOR PANEL FLOW
DIAGRAM
Each of the functions can be chosen by using the up and
down arrows to highlight it on the screen.
The controller will go to the highlighted function if the
SELECT button is pressed or will return to the CURRENT
STATUS screen if the STATUS button is pressed.
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INTELLISYS
OPERATOR SETPOINTS
1 0 0 P S I
STATUS MAIN MENU SELECT
Ready To Start
-OPERATOR SETPOINTS-
Offline Pressure
103 PSI
Online Pressure
93 PSI
Setpoints are user-adjustable variables in the controller logic
that can be set using the OPERATOR SETPOINTS screen.
The name and value of each of the setpoints listed below can
be seen on the screen by moving the list up and down using
the arrow buttons.
OPERATOR
SETPOINTS
RANGE STEP UNIT
Lead/Lag Lead or Lag --- ---
Oine Pressure 75 to RATED +3 1 PSIG
Online Pressure 65 to OFFLINE
- 10
1 PSIG
Lag Oset 0 to 45 1 PSIG
Mode of
Operation
MOD/ACS, ON/
OFF LINE, ---
MODULATION
ONLY
--- ---
Max
Modulation
Pressure
Online + 10 to
Oine + 7
1 PSIG
Stop Delay
Time
10 to 60 1 SEC
Star-Delta
Time*
5 to 20 1 SEC
(Screen)
Contrast
0 to 10 1 ---
* Does not apply to automaticacross the line starters.
Setpoints associated with options are described in the
OPTIONS.
A setpoint’s value can be changed by rst highlighting
the item and its value and pressing the SELECT button to
highlight just the value. When the value line is highlighted
by itself, the value can be adjusted using the up and down
arrow buttons. The CANCEL and SET buttons appear at this
time. Press the SET button to enter the new value, or press
the CANCEL button to return to the value of the setpoint
prior to using the arrows. The displayed value will ash twice
to indicate it has been entered into the setpoint, and the
pair of setpoint item and value display lines will again be
highlighted together.
Operator set points can be exited by pressing the STATUS
or MAIN MENU buttons. If no buttons are pressed within
30 seconds, the display will return to the CURRENT STATUS
screen.
Lead/Lag- This setpoint is used for setting lead or lag
operation. If set to lead, the controller will load and unload
the compressor by the online and oine setpoints. If set to
lag, the controller will subtract the lag oset (see 3.5.4) from
the online and oine set points and operate the compressor
at the lower pressure range.
Oine Pressure- This setpoint is the pressure the
compressor will unload at if it is operating in on/o line
mode.
Online Pressure- This setpoint is the pressure the
compressor will load at.
Lag Oset- This setpoint is used with the lead/lag operation.
If the lead/lag set point is set to lag , the value of the lag
oset will be subtracted from the online and oine setpoints.
Mode of Operation- This setpoint is used to select the
operating mode of the compressor. The choices are MOD/
ACS, ON/OFF LINE, and MODULATION ONLY.
Max Modulation Pressure- This setpoint is the pressure the
compressor will unload at if it is modulating. As the package
discharge pressure rises toward this value, the inlet valve will
start to close. The compressor will unload once the package
discharge reaches this value.
Stop Delay Time- This setpoint is the minimum amount of
time the compressor will run unloaded before stopping. This
period does not apply to alarms (shutdowns).
Star-Delta Time- This setpoint is only used with star-delta
starters. It is not used if the starter is full voltage or a remote
starter. This is the time period between starting and star-delta
transition.
Contrast- This setpoint is used to improve the display on the
Intellisys.
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INTELLISYS
OPTIONS
1 0 0 P S I
-OPTIONS-
Auto Restart
Off
Auto Restart Time
10 MINUTES
STATUS MAIN MENU SELECT
Ready To Start
Options are turned on or o and their associated values are
set using the OPTION screen.
Some options require additional machine hardware and the
proper “Option Module” to plug into the Intellisys controller.
The name and value of each of the options listed in the right
hand column can be seen by moving the list up and down
using the arrow buttons.
An Option item’s value can be changed the same way
OPERATOR SETPOINTS values are changed.
Auto Restart- This setpoint is used to enable or disable the
auto restart option.
Auto Restart Time- This setpoint is the minimum time period
the compressor must run unloaded before it can stop in the
auto restart mode.
Auto Restart Delay Time- If the compressor is stopped
in auto restart, this setpoint is the number of seconds the
package discharge pressure must remain below the online
pressure setpoint before the compressor will restart.
Sequencer- This setpoint is used to enable or disable
sequencer operation.
Remote Start/Stop- This setpoint is used to enable or disable
the remote start/stop option.
Power Out Restart- This setpoint is used to enable or disable
the power out restart option, if it is installed.
Power Out Restart Time- If the power out restart option is
installed and enabled, this setpoint is time period between
power returning to the compressor and the compressor
starting.
Low Ambient- This setpoint enables or disables the low
ambient option. If the low ambient option is enabled, sensor
3CTT must be installed in the compressor.
Minimum Cooler Out Temperature- When the low ambient
option is installed, this setpoint is the minimum temperature
to which the coolant must rise before the compressor will
load.
Separator Delta-P Solenoid- This setpoint enables or
disables the separator delta-p solenoid option. Enabling
this option will automatically disable the Separator Delta-P
Sensor option.
Separator Delta-P Sensor- This setpoint enables or disables
the separator delta-p sensor option. Enabling this option will
automatically disable the Separator Delta-P Solenoid option.
Lead/Lag Cycle Length- This setpoint enables the automatic
cycling between lead and lag operation.
If it is set to a value greater than 0, the controller will cycle
between lead and lag operation. The value of this set point
is the cycle length in real time hours. A value of 0 will disable
the automaticcycling between lead and lag.
Scheduled Start- If the scheduled start/stop option is
installed, this set point is the time of the day (hour and
minute) that the compressor will automatically start. To
disable this option, set it to the same value as the scheduled
stop.
Scheduled Stop- If the scheduled start/stop option is
installed, this setpoint is the time of the day (hour and
minute) that the compressor will automatically stop. To
disable this option, set it to the same value as the scheduled
start.
High Dust Filter- This option enables or disables the high
dust lter operation.
Modbus Protocol- This option is for Ingersoll Rand service
use only.
Modbus Address- This feature is used with the Modbus
Protocol and is for Ingersoll Rand service use only.
SENSOR CALIBRATION
1 0 0 P S I
-SENSOR CALIBRATION-
Sensor 1AVPT
CALIBRATE
Sensor 3APT
CALIBRATE
STATUS MAIN MENU SELECT
Ready To Start
0
Pressure sensor calibration is done through the SENSOR
CALIBRATION screen. Sensor calibration can only take place
when the machine is stopped.
Calibration needs to be done only after a sensor has been
Each of the sensors listed below can be chosen by using the
up and down arrow buttons to highlight it on the screen.
SENSOR CALIBRATION Items
Sensor 1AVPT
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INTELLISYS
Sensor 4APT
Sensor 5CPT
Sensor 6APT
Select the highlighted sensor by pressing the SELECT button.
Press the CALIBRATE button to start the automaticcalibration
procedure, or press the CANCEL button to not calibrate it and
return to the sensor list.
The calibration screen can be exited by pressing either the
STATUS or MAIN MENU buttons. If no buttons are pressed
within 30 seconds, the display will return to the CURRENT
STATUS screen.
ALARM HISTORY
1 0 0 P S I
-ALARM HISTORY-
Alarm History 1
MOTOR OVERLOAD
Alarm History 2
HIGH AIREND DISCH TEMP
STATUS MAIN MENU SELECT
Ready To Start
Alarm History displays each of the Alarm messages for the
last 15 Alarms experienced by the machine. It also gives
access to displaying the machine operating conditions
that existed at the time of each Alarm. The rst one shown,
“Alarm History 1”, was the most recent Alarm to occur. Note
that multiple, consecutive EMERGENCY STOP Alarms are not
recorded as separate Alarms, only the rst one will be shown.
Each of the last 15 Alarm messages can be seen by moving
the Alarm History list up and down using the arrow buttons.
Pressing the SELECT button when one of the Alarms is
highlighted will display the list of machine values that existed
at the time that particular Alarm occurred.
1 0 0 P S I
-ALARM HISTORY 1-
Package Disch Pressure
199 PSI
Package Discharge Temp
103°F
STATUS MAIN MENU ALARM HISTORY
Ready To Start
The name and value of each of the items listed below can
be seen by moving the list up and down using the arrow
buttons. Pressing the ALARM HIST. button will return the
display to the ALARM HISTORY screen.
ALARM HISTORY ITEMS
Discharge Pressure
Coolant Filter
Discharge Temperature Inlet Vacuum
Airend Discharge Temperature Inlet Filter
Injected Temperature Total Hours
Sump Pressure Loaded Hours
Separator Press. Drop % Load Modulation
Unloaded Inlet Vacuum
Coolant Pressure
Time & Date
Alarm histories can be exited by pressing either the STATUS
or MAIN MENU buttons. If no buttons are pressed within
30 seconds, the display will return to the CURRENT STATUS
screen.
CLOCK FUNCTIONS
1 0 0 P S I
-CLOCK FUNCTIONS-
Time
01:15
Date
Jan 01, 00
STATUS MAIN MENU SELECT
Ready To Start
The date and time for the real time clock is set through the
CLOCK FUNCTIONS screen. Use the up and down arrows to
highlight either TIME or DATE. Select the highlighted setting
by pressing SELECT.
If TIME is selected, rst the hours will be highlighted. Adjust
the hours (00-23 hour clock) by using the up and down
arrows. Once the correct time is in the display, press SET to
highlight the minutes. Adjust the minutes (00-59) and then
press SET to complete setting the time.
If DATE is selected, rst the month will be highlighted. Adjust
the month by using the up and down arrows and then press
SET to highlight the date. Once the correct date is displayed,
press SET to highlight the year. Once the correct year is
displayed, press SET to complete setting the date.
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INTELLISYS
INTEGRAL SEQUENCING
1 0 0 P S I
-INTEGRAL SEQUENCING-
Lead Compressor
Off
Total Compressors
2
STATUS MAIN MENU SELECT
Ready To Start
Integral Sequencing is set up using the INTEGRAL
SEQUENCING screen. A description of integral is in section
7.0. The name and value of each of the integral sequencing
setpoints as listed in the right hand column can be seen by
moving the list up and down using the arrow buttons.
Lead Compressor- The choices for this setpoint are On,
O, Always, and Never. On, means the compressor is the
lead unit. O, means the compressor is not the lead unit,
but it could become the lead unit. If Always is selected, the
compressor is the lead unit and it will not transfer the lead to
another compressor. Never, means the compressor is not the
lead unit and will never become the lead unit. The operator
must set one unit (and only one) to On or Always to start
integral sequencing.
Total Compressors- This is the total number of compressors
in the integral sequence. This setpoint must be set to the
same number on each compressor.
Compressor Address- This is the address of the compressor
in the integral sequence. No two compressors can have the
same address. Two compressors with the same address will
cause communication failures.
Load Delay Time- This is the number of seconds the lead
compressor will wait for the package discharge pressure
to start rising after issuing a load command to another
compressor. If the package discharge pressure has not started
rising at the end of this time period, the lead compressor will
load the next compressor in the sequencer.
INTEGRAL SEQUENCING RANGE STEP UNIT
Lead Compressor On/Off/Always/Never --- ---
Total Compressors 2 to 4 1 ---
Compressor Address 1 to Total Compressors 1 ---
Load Delay Time 10 to 60 1 SEC
Lead Change - Hours 0 to 750 1 HRS
Lead Change - Day Sun to Sat, Daily, Week
1 DAY
Day, Week End
Lead Change - Time 00:00 to 23:59 1 TIME
Lead Change - Hours- This is the number of hours the
compressor will operate as the lead unit.
Once a compressor has operated as the lead for this number
of hours, it will transfer the lead to the next compressor in the
sequence. This setpoint does not apply to a unit where the
lead compressor is set to always or never. If this setpoint is
set to 0, the next 2 setpoints will determine when the lead is
transferred.
Lead Change - Day & Lead Change - Time- These two
setpoints are used together. If the Lead Change - Hours
setpoint is set to 0, these two setpoints will be used to
determine when the compressor will transfer the lead to the
next compressor in sequence. Lead Change - Day is the day
of the week that the compressor will transfer the lead. Lead
Change - Time is the time of the day that the compressor will
transfer the lead.
WARNINGS
1 0 0 P S I Change Inlet Filter
Press RESET Twice
STATUS MAIN MENU RESET
Running Unloaded
Mode: MOD/ACS
When a Warning occurs, a question mark will ash on the
display screen and appear in large letters as shown above.
The display message will indicate what caused the warning.
If multiple Warnings exist, the small up/down arrows will
appear in the upper right corner of the display screen. The
multiple Warnings can be seen by pressing the up and down
arrow buttons. Pressing the STATUS button will display
the CURRENT STATUS screen with the WARNING button
indicating a Warning still exists.
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INTELLISYS
1 0 0 P S I
-CURRENT STATUS-
Package Discharge Temp
103°F
Airend Discharge Temp
193°F
WARNING MAIN MENU
Running Unloaded
Mode: MOD/ACS
Pressing the WARNING button will return the display to the
WARNING screen and the RESET button.
A Warning needs to be reset by the operator by pressing the
RESET button twice.
The possible Warning messages are as follows.
AIREND DISCHARGE TEMP- This will occur if the Airend
Discharge (2ATT) exceeds 97% of the alarm limit, 228°F
(109°C), and is not adjustable.
CHANGE COOLANT FILTER- This warning will occur if the
high side pressure is 20 psig (1.4 bar) greater than the low
side pressure of 1 DPS, and the Injected Coolant temperature
(2CTT) is greater than 120°F (49°C).
CHANGE INLET FILTER- This will occur if the Inlet Vacuum
(1AVPT) is greater than 0.7 psig (.05 bar) and the machine is
fully loaded (inlet valve is completely open).
CHANGE SEPR ELEMENT- This warning will occur if the
pressure on the Separator (3APT) is 12 psig (.8 bar) greater
than the pressure at the Package Discharge (4APT), and the
machine is fully loaded.
HIGH DISCHARGE PRESS- This can occur if the machine’s
loading function is being controlled by a host device, such
as a sequencer or an lSC. This warning will occur when the
package discharge pressure is above the maximum oine
pressure (rated pressure plus 3 psig [.2 bar]) for more than 3
seconds. This warning will cause the compressor to unload.
The host device will not be able to load the compressor until
the package discharge pressure falls to the rated pressure of
the machine.
SENSOR FAILURE 4ATT- This will occur if the Package
Discharge Temperature Sensor (4ATT) is recognized as
missing or broken.
AUXILIARY 1 (OR 2) - This warning will occur if either of the
auxiliary contacts closes.
HIGH SUMP/LINE DIF - This warning will occur if the
compressor is running loaded, the injected coolant
temperature is greater than or equal to 120 deg. F, (49°C) the
package discharge pressure is greater than 90 psig, (6.3 bar)
the sump pressure is greater than the compressor’s rated
pressure, and the sump pressure is 25 psig (1.8 bar) or more
above the package discharge pressure.
COMMUNICATION FAIL 1 (or 2 - 4) - This warning will
occur if the compressor is the lead unit while using integral
sequencing and is unable to communicate with another
compressor.
SERVICED REQUIRED - The Intellisys has 2 levels of service.
The service level can be set at the factory or by an Ingersoll
Rand service representative. Either service level will issue
a “SERVICE REQUIRED” warning at 150 hours. This warning
is a reminder for initial service and can be cleared by the
operator.
Level 1 - If service level 1 (default) is selected, a “SERVICE
REQUIRED” warning will be issued every 2000 operating
hours. This warning is to serve as a reminder to have the unit
serviced and can be cleared by the operator.
Level 2 - If service level 2 is selected, service warnings will
be issued every 2000 operating hours (default) or in 3, 6, 9,
or 12 month intervals, as selected at the factory or by an I-R
service representative. Service warnings at level 2 are issued
in 3 stages. First a “100 HOURS TO SERVICE”or 14 DAYS TO
SERVICE” (depending on the service interval type) warning
will be issued. This warning will let the operator know that
the time for service is approaching and can be cleared by the
operator.
Following that, 100 hours or 14 days later a“SERVICE
REQUIRED” warning will be issued. This warning can be
temporarily cleared by the operator, however it will return
24 hours later if service has not been performed by an I-R
service representative. A new service period will start when
service is performed. If another 100 hours or 14 days elapses
and service has not been performed, an “ALARM-SERVICE
REQUIRED” warning will be issued. This warning can only be
cleared by an I-R service representative.
SENSOR FAILURE 6APT - This warning will occur if the
separator delta-p sensor option is installed and sensor 6APT
is recognized as missing or broken.
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INTELLISYS
ALARMS
1 0 0 P S I High Airend Disch Temp
229°F
Press RESET Twice
STATUS MAIN MENU RESET
STOPPED BY ALARM
Mode: MOD/ACS
When an Alarm occurs, an exclamation mark will ash on
the display screen as shown above. The display message will
indicate what caused the Alarm.
Pressing the STATUS button will display the ALARM STATUS
screen with the ALARM button indicating an Alarm still exists.
Alarm Status is the list of machine operating conditions that
existed at the time of the Alarm.
1 0 0 P S I
-ALARM STATUS-
Package Disch Pressure
100 PSI
Package Discharge Temp
103°F
ALARM MAIN MENU
STOPPED BY ALARM
Mode: MOD/ACS
The name and value of each of the items listed can be seen
by moving the list up and down using the arrow buttons.
Pressing the ALARM button will return the display to the
Alarm screen and the RESET button.
The Alarm needs to be reset by the operator by pressing the
RESET button twice. Any exceptions to this are explained in
the alarm descriptions.
The possible Alarm messages are as follows.
CHECK INLET CONTROL- This will occur if the machine is
unloaded and the inlet vacuum is less than 3 psig (.2 bar).
CHECK INLET CTRL SYS 1 (2) - This will occur if the inlet
buttery valve fails to open or close properly. A 1 means the
inlet valve failed to closer properly. A 2 means the inlet valve
failed to open properly.
CHECK MOTOR ROTATION- This will occur if the machine is
started and the compressor has incorrect rotation.
CONTROL POWER LOSS- This will occur if the controller
detects a loss of the 110 VAC or 120 VAC control power.
EMERGENCY STOP- This will occur if the Emergency Stop
button is engaged. The button must be disengaged before
the alarm can be cleared.
FAN MOTOR OVERLOAD- This will occur if a fan motor
overload is sensed.
HIGH AIREND DISCH TEMP- This will occur if the airend
discharge temperature is greater than 228°F (109°C).
LOW SUMP AIR PRESSURE- This will occur if the machine is
running fully loaded and the sump pressure drops below 20
psig (1.4 bar).
LOW UNLOAD SUMP PRESS- This will occur if the machine is
running unloaded and the sump pressure is less than 15 psig
(1.0 bar) for 15 seconds.
MAIN MOTOR OVERLOAD- This will occur if a drive motor
overload is sensed.
CHECK SET POINTS- This will occur if the controller has
determined some of the data stored in memory contains
unacceptable values. When this occurs, the sensors should be
calibrated and all the set points checked. It is normal for this
alarm to occur after changing controller software.
REMOTE START FAILURE- This will occur if the Remote
Start button is pressed after the machine is running or if the
Remote Start button remains closed.
REMOTE STOP FAILURE- This will occur if the Remote Stop
button remains open and either Start button is pressed.
SENSOR FAILURE 1AVPT (or 3APT, 4APT, 5CPT,2CTT, 2ATT,
3CTT) - This will occur if a sensor is recognized as missing or
broken. This does not apply to sensor 4ATT.
STARTER FAULT 1SL (2SL)- This will occur if the starter
contacts open while the machine is running. It will also occur
if the machine is given the stop command and the starter
contacts do not open. 1SL refers to the auxiliary circuit on
starter contact 1M. 2SL refers to the auxiliary circuit on starter
contacts 2M and 1S.
STEPPER LIMIT SWITCH- This will occur if both limit switches
are activated at the same time.
INVALID CALIBRATION- This will occur during the calibration
process if the sensor reads greater than 20% of scale.
LOW COOLANT PRESSURE- This will occur if the compressor
is running and the following conditions are met. The coolant
must be less than 1 psi and either the sump pressure is
greater than 10 psi or the inlet vacuum is less than 12 psi.
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SCHEDULED PREVENTATIVE MAINTENANCE
MAINTENANCE SCHEDULE
The maintenance schedule species all recommended
maintenance required to keep the compressor in good
operating condition. Service at the interval listed or after that
number of running hours, whichever occurs rst.
Action Part or Item RunningHours Time Interval (whichever comes rst)
1 Week 1 Month 3 Month 6 Month Yearly 2 Years 3 Years
Inspect Coolant level Weekly x
Inspect Discharge temperature (air) Weekly x
Inspect Separator element dierential Weekly x
Inspect Air lter Delta P (at full load) Weekly x
Inspect Oil lter Delta P Weekly x
Replace Coolant lter* 150 x (Initial changes only)
Check Temperature sensor 1000 x
Replace Food grade lubricant
(ULTRA FG) 6000
Inspect Hoses 1200 x
Replace Coolant lter* 2000 x (subsequent changes)
Analysis Coolant 2000 See Fluid and Vibration monitoring x
Analysis Vibration 2000 See Fluid and Vibration monitoring x
Clean Separator scavenge screen and
orice 4000 x
Clean Cooler cores** 4000 x
Replace Air lter* 4000 x
Replace Separator element* † See special note.
Replace Premium Coolant* (ULTRA) 8000 x
Inspect Starter contactors 8000 x
Replace Extended life Premium coolant*
(ULTRA EL) 16000 x
Service Drive motor lubrication See motor lubrication
* In very clean operating environments and where inlet lter is changed at the above prescribed intervals. In extremely dirty
environments change coolant, lters, and separator elements more frequently.
** Clean cooler cores if discharge air temperature is excessive or if unit shutdown occurs on high air temperature.
† SPECIAL NOTE: Replace separator element when the separator dierential pressure ( Δ P) reaches three times the initial
pressure drop or a maximum pressure dierential of 12 psi (.8 bar) at full load or if the Intellisys warning CHANGE SEPARATOR
ELEMENT is displayed.
MAINTENANCE RECORDS
It is very important that you, the owner, keep accurate
and detailed records of all maintenance work you, or the
Ingersoll Rand Distributor or Air Center perform on your
compressor. This includes but is not limited to coolant lter,
separator, inlet air lter and so forth. This information must
be kept by you, the owner, should you require warranty
service work by your Ingersoll Rand Distributor or Air Center.
Maintenance record sheets are located at the back of this
manual.
MAINTENANCE PROCEDURES
Before starting any maintenance, be certain the following is
heeded.
Read Safety Instructions.
Use correct tools.
Have recommended spares on hand.
INLET AIR FILTER
To check condition of the inlet lter, run compressor in the
LOADED mode and observe “Inlet Filter” on the CURRENT
1)
2)
3)
no maintenance is required. If “ ? ” is ashing on the screen
and the display says“CHANGE INLET FILTER”, then the inlet
lter should be changed.
To change inlet lter elements, loosen wing nut on top
of inlet lter housing. Lift cover up and away to expose
element/s.
Carefully remove the old element/s to prevent dirt from
entering the inlet valve. Discard old element/s.
Thoroughly clean the element housing and wipe all surfaces.
Install new element/s and inspect to ensure that they have
seated properly.
Install top of inlet lter housing.
Inspect the rubber seal on the retainer wing nut and replace
seal if required.
Tighten wing nut.
Start machine and run in the load mode to verify lter
condition.
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