Magnetrol Echotel 961 Functional Safety Manual - page 7
7
51-650 Echotel SIL Safety Manual
5.3
Necessary Tools
No special equipment or tools are required to install Echotel
Model 961/962 ultrasonic level switch. The following items
are recommended:
• Wrenches, flange gaskets, and flange bolting appropriate for
process connection(s)
• Screwdrivers and assorted tools for making conduit and
electrical connections
• Digital multimeter or DVM for troubleshooting
5.4
Storage
Model 961/962 should be stored in its original shipping
box and not be subjected to temperatures outside the stor-
age temperature range -40 to +160 °F (-40 to +70 °C), as
shown in Section 3.1 of the Echotel Model 961/962
Ultrasonic Level Switches Installation and Operating Manual
(Bulletin 51.646).
5.5
Installation
The Model 961 single point switch may be used for high or
low level alarm, overfill protection, or seal pot level and
pump protection. Model 961 can be mounted vertically or
horizontally in vessels, bridles, or pipes.
The Model 962 dual point switch may be used to measure
high/low, high/high, or low/low levels. It can be used as a
level controller or to control pumps in an auto-fill or auto-
empty mode. Model 962 must be top mounted.
Refer Figures 2 –5 to the Echotel Model 961/962 Ultrasonic
Single and Dual Point Level Switches Installation and
Operating Manual (Bulletin 51.646) for the proper installa-
tion instructions.
Pump
Protection
Fill Line
Dual Point Alarm
High Alarm
Low Alarm
Figure 2
Typical Mounting Orientations
Use wrench on flats
Process
connection
Figure 3
Vertical Mounting
Bottom View
Figure 4
Horizontal Mounting
Bottom View
Figure 5
Nozzle Mounting