D U N I W A Y S T O C K R O O M C O R P .
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Installation
A. Unpack the Controller
Carefully unpack the Model 921 Gauge Controller.
The gauge controller shipment includes these components:
• controller unit
• power cord
• mounting clips
• D15 accessory connector
• this instruction manual
If your controller does not have all of these items, call Duniway Stockroom. If it appears to have
been damaged in shipment, contact the shipper.
B. Mount the Controller
You can mount the controller unit freestanding on a bench, table top, or shelf, or you can mount
it in a rack or cabinet. The controller unit is housed in a standard 1/8 DIN box.
If you are mounting the unit in a panel, the cutout dimensions are 44 mm by 92 mm. One mount-
ing clip attaches to each of the sides of the controller unit. To attach the clip, slide the beveled
surfaces of the clip under the cutout on the side of the box and push the clip toward the back of
the unit until the central tongue locks the clip in place. Then slide the unit into the panel; the clips
will hold the unit in place.
Be sure to leave enough clearance at the back of the controller unit for easy access to cable con-
nections.
C. Select the Gauge Tube
The Model 921 controller is designed to work with the HPS Inverted Magnetron gauge tube, se-
ries 421 or I-Mag. See Specifications for availability of gauges. If you have difficulty obtaining
a gauge, please contact us at Duniway Stockroom.
CAUTION
Use of a gauge tube other than those listed above may cause improper
readings, and may cause damage to the gauge tube.
TELEPHONE: 650-969-8811 TOLL-FREE (U.S. only): 800-446-8811 FAX: 650-965-0764 EMAIL: [email protected]
www.duniway.com
