Ingersoll-Rand 95087, 95088, 96270-1 User Manual
OPERATOR’S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
DIAPHRAGM FAILURE DETECTOR
67237
RELEASED: 5-31-01
REVISED: 4-13-10
(REV. D)
(INTRINSICALLY SAFE COMPONENTS)
(for 1-1/2”, 2” and 3” Metallic Diaphragm Pumps with Cast Iron or Stainless Steel center bodies)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SENSOR DATA
Protection The components meet the re-...................
quirements for Class 1, Division II, Group C environment.
Voltage 30 VDC max......................
Sensor Type Electro-Optic.................
Sensor Material Polysulfone...............
GENERAL DESCRIPTION
An Aro diaphragm pump equiped with the Aro Diaphragm Failure Detector warns of a diaphragm failure by sensing the presenceof liquid in
the airchamber of the pump. This system usesa liquid sensorin each of
the two air chambers.
OPERATING INSTRUCTIONS
1. Supply voltagefor the components can be through the 95087 cable
or through the 95088 adapter (see pinout information on page 2).
2. The cable can be connected to operate an output device as required (valve, buzzer, light, etc.).
3. To clean the sensors, disconnect the 96270-1 sensors from the
95088 adapter. Unthread the sensors from the air caps. Clean the
prism of the sensors with a mild detergent or water. WARNING:
Chlorinated hydrocarbons MUST NOT BE USED
See note in 5 below.
4. To reassemble, apply PTFE tape or #80725 Permatex to the
threads of each sensorand threadto theair cap.NOTE: Torque the
sensors to NO MORE THAN 120 in. lbs (13.56 Nm).
sensors to the 95088 adapter.
5. Note: Clean the sensorsevery 1,000,000 cycles or every 3months
of use.
for cleaning.
Reconnect the
95087 Cable
95088 Adapter
96270-1 Sensor (2)
10 m (32.8 ft)
INSTALLATION AND WARNINGS
NOTE: The power supply cable is not furnished with the unit and must
be supplied by the customer.
ALL WIRING MUST COMPLY WITH ALL LOCAL AND / OR NATIONAL ELECTRICAL CODES.
S Electrical codes that apply must be strictly adhered to; failure to do
so may lead to shock hazard or serious injury.
S Some local electrical codesmay require theinstallation of rigidcon-
duit.
S The diaphragm failure detector components must be installed by a
qualified electrician in compliance with all national, state and local
codes and regulations to reduce the riskof electrical shock or other
serious injury during installation and operation.
S ARO isnot responsiblefor accidents resultingfrom improper instal-
lation of components or hardware.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 276-4658 FAX (800) 266-7016
www.ingersollrandproducts.com
© 2010 CCN 99856692
PINOUT DESCRIPTIONS
94712-1 SENSOR PINOUTS
B
C
A
Pinout Function
A+24VDC
B Ground
C Signal
4
3
2
95087 CABLE PINOUTS
1
Pinout Cable Color Function
1 Brown +24 VDC
2 White Signal
3 Blue Ground
4 Black Signal
95088 ADAPTER PINOUTS
4
Pinout Function
3
2
1
A
B
1+24VDC
2 Signal
3 Ground
4 Signal
Pinout Function
A+24VDC
B Ground
C Signal
C
PN 97999-896
67237Page 2 of 2
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