Graco 308245F Electronic Pulse Meter Owner's Manual

INSTRUCTIONS-PARTS LIST
308–245
Rev. F
Supercedes Rev. D
(includes Rev. E changes)
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Electronic Pulse Meter
1500 psi (103 bar, 10.3 MPa) Maximum Working Pressure
Model 223–655, Series C, Pulse Module
Model 236–763, Series A, Pulse Module and Meter (pints, quarts and gallons)
Model 236–764, Series A, Pulse Module and Meter (liters)
Model 238–618, Series A, Pulse Module and Meter (pints, quarts, and gallons)
To Replace the Electronic Pulse Module or
Metering Unit
WARNING
To reduce the risk of serious injury, including electric shock or splashing fluid in the eyes or on the
skin, always follow this procedure before servicing
any part of the metering system and before checking for loose or shorted wires.
1. Turn off the control and unplug it.
4. Observe the Warning and Caution at left.
5. If you are replacing the pulse module, disconnect
the cable, taking note of the wiring polarity.
6. Remove the screws, and lift off the pulse module.
7. Install a new pulse module (1) or metering unit (2).
Align the notch on the side of the pulse module
with the notch on the side of the metering unit. Use
the new screws and torque them oppositely and
evenly to 4 to 6 in-lb (0.45 to 0.68 N.m). See
Fig. 1.
2. Shut off the power to the pump(s).
3. Relieve fluid pressure.
CAUTION
To avoid damaging the electronic components of the
pulse meter module (1):
8. Connect the pulse module wires to the cable,
observing the original wiring polarity.
1. Do not lay anything on the module.
2. Be sure the open side of the pulse module faces
up if you lay it down.
3. Do not twist or force parts. Align parts properly
as instructed.
Replacement screws
included
Torque oppositely and
evenly to 4 to 6 in-lb
(0.45 to 0.68 N.m)
To Install or Remove the Complete Pulse Meter
1. Observe the Warning and Caution above.
2. Disconnect the cable from the pulse module,
taking note of the wiring polarity.
3. Remove the old pulse meter and install the new
one, observing the original wiring polarity.
Manual Change Summary
! GRACO INC.
P.O. BOX 1441 MINNEAPOLIS, MN
COPYRIGHT 1992, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
55440–1441
Parts
Electronic Pulse Meter
Model 236–763, Series A
Measures in pints, quarts, or gallons
1
2
223–655
236–765
Electronic Pulse Meter
Model 238–618, Series A
Measures in pints, quarts, or gallons
electronic pulse module
metering unit
1
1
Electronic Pulse Meter
Model 236–764, Series A
Measures in liters
1
2
223–655
236–766
electronic pulse module
metering unit
1
1
1
2
3
238–617
236–765
112–283
electronic pulse module
metering unit
o-ring
Wire Color
Function
Red
Power
Black
Ground
White
Signal
1
1
1
Replacement screws
included
Replacement screws
included
Torque oppositely and
evenly to 4 to 6 in-lb
(0.45 to 0.68 N.m)
Torque oppositely and
evenly to 4 to 6 in-lb
(0.45 to 0.68 N.m)
1
1
3
2
2
04089
Technical Data
Electrical
Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V Maximum
Current loop output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 milliamps OFF
10 milliamps ON
Wiring gauge required . . . . . . . . . . . . . . . . . . . . . . . . . . 18 AWG up to 1000 ft. (305 m)
Hydraulic
Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 gpm (45.6 lpm) Maximum
Maximum operating pressure . . . . . . . . . . . . . . . . . . . . . 1500 psi (103 bar, 10.3 MPa)
Inlet/Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 npt
Graco Phone Number
TO PLACE AN ORDER, contact your Graco distributor, or call this number to identify the distributor closest to you:
1–800–367–4023 Toll Free
All information, illustrations, and specifications in this document are based on the latest product information available at the time
of publication. The right is reserved to make changes at any time without notice.
Sales Offices: Atlanta, Chicago, Detroit, Los Angeles
Foreign Offices: Belgium, Canada, England, Korea, Switzerland, France, Germany, Hong Kong, Japan
GRACO INC.
P.O. BOX 1441 MINNEAPOLIS, MN
PRINTED IN U.S.A.
308-245
308–245
55440–1441
September 1992, Revised July 1996

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project