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Global Water 

800-876-1172 

 globalw.com 

 

VII.

 

 Maintenance 

 

a.

 

The unit must be checked periodically.  The suggested maintenance rate 

depends on the installation area. Check batteries for correct voltage 
periodically. 
 

VIII.

 

Trouble Shooting 

 

a.

 

Call us for tech support: 800-876-1172 or 916-638-3429 (many problems 
can be solved over the phone).  Fax: 916-638-3270 or Email: 

globalw@globalw.com

 
Be prepared to describe the problem you are experiencing including 
specific details of the application and installation and any additional 
pertinent information. 

 

b.

 

In the event that the equipment needs to be returned to the factory for any 
reason, please call to obtain an RMA# (Return Material authorization).  Do 
not return items without an RMA# displayed on the outside of the package. 
 
Clean and decontaminate the Ultrasonic Level Transmitter, if necessary. 
 
Include a written statement describing the problems. 
 
Send the package with shipping prepaid to our factory address.  Insure 
your shipment, as the warranty does not cover damage incurred during 
transit.   

 

c.

 

When calling for tech support, please have the following information ready: 
 

1.

 

Model #. 

2.

 

Unit serial number. 

3.

 

P.O.# the equipment was purchased on. 

4.

 

Our sales order number or the invoice number. 

5.

 

Repair instructions and/or specific problems relating to the product. 
 

 

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Summary of Contents for WL750

Page 1: ...er 800 876 1172 globalw com Global Water Instrumentation Inc 11390 Amalgam Way Gold River CA 95670 T 800 876 1172 Int l 916 638 3429 F 916 638 3270 Ultrasonic Level Transmitter WL750 4 18 07 P N 01 73...

Page 2: ...are confident that you will find the Ultrasonic Level Transmitter to be a valuable asset for your application Should you require assistance our technical staff will be happy to help Table of Contents...

Page 3: ...Level Transmitter was carefully inspected and certified by our Quality Assurance Team before shipping If any damage has occurred during shipping please notify Global Water Instrumentation Inc and file...

Page 4: ...everse polarity proof Hysterisis Adjustable position depends on min or max setting Display Graphical LCD display temperature range 20 C to 70 C 4 F to 158 F 32x16 pixels back lit LED signaling lamp Co...

Page 5: ...66 ft to 4 3 ft WL750 8 0 98 ft to 7 5 ft Mechanical Wetted Materials PET 30 GV epoxy resin POM Housing Materials Stainless steel tempered glass POM ring Housing Flange mount with center hole 35 5mm a...

Page 6: ...be set separately in value and direction minimum maximum switching value Upward and downward crossings of switching points and error messages are shown in the display with a flashing red LED that is e...

Page 7: ...o be monitored If the vessel has a sloped top consider using a self aligning bulkhead fitting or a flange fitting with a riser that will allow the sensor to be positioned relative to the material s su...

Page 8: ...iting with Position 2 Turn the programming ring to the right to Position 2 and a flashing cursor appears showing the position to be changed With repeated turning to Position 2 the values are increased...

Page 9: ...ve status is also indicated by a flashing LED By rotating the program ring to Position 1 P1 toward the left and then back to Neutral the program steps to the S1 setting The level for activation of the...

Page 10: ...Global Water 800 876 1172 globalw com 2 Programming Positions The P1 to Neutral movement steps the program through positions in the following sequence Figure 5 10...

Page 11: ...ck to Neutral increases the current decimal place to the next highest value c Turning the ring to the left and back to Neutral moves the cursor on to the next decimal position Repeat step 2 to edit th...

Page 12: ...osition Figure 7 Figure 8 Figure 9 Unlocked Position Locked Position 6 Factory Settings a Enter code 989 to return to factory settings Note During the programming process if there is no new action tak...

Page 13: ...Global Water 800 876 1172 globalw com Figure 10 13...

Page 14: ...Global Water 800 876 1172 globalw com 14 Figure 11 Figure 12...

Page 15: ...e event that the equipment needs to be returned to the factory for any reason please call to obtain an RMA Return Material authorization Do not return items without an RMA displayed on the outside of...

Page 16: ...option I replacing or II repairing any products determined to be defective In no case shall Global Water s liability exceed the products original purchase price This warranty does not apply to any eq...

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