962-7DA1-135 datasheet(9/36 Pages) MAGNETROL

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51-646 Echotel® Model 961 & 962 Ultrasonic Level Switches

2.4.3 Model 962 Line-powered Wiring

Power and relay wiring connections are suitable for

12–24 AWG wire.

Caution: OBSERVE ALL APPLICABLE ELECTRICAL CODES

AND PROPER WIRING PROCEDURES.

1. Make sure the power source is turned off.

2. Unscrew and remove housing cover.

3. Pull power supply and relay wires through the conduit

connection.

4. Refer to Figure 10. Connect power leads to proper terminals.

Model 962 is available for AC power (102 to 265 VAC) or

for DC power (18–32 VDC)

a. AC Power – Connect “hot” wire to terminal marked L1

and the “neutral” wire to the terminal marked L2. The

green head screw should be used for grounding.

b. DC Power – Connect wires to terminals (+) and (-) on

the terminal block. The green head screw should be

used for grounding.

5. Connect desired relay wiring as shown in Figure 10.

6. Prevent moisture seepage into housing by installing an

approved seal drain fitting in the conduit run leading to

the unit.

7. Wiring is complete. Replace housing cover.

Caution: In hazardous areas, do not power the unit until the

conduit is sealed and enclosure cover is screwed

down securely.

TIME

DELAY

LEVEL

TEST

MALF

TEST

MALF RELAY

FAULT

MALF

LOWER

UPPER

MODEL 962

Malfunction

SPDT Relay

Input

Power

Ground

Lower Gap

SPDT Relay

Upper Gap

SPDT Relay

Hi PC

Lo LC

LOWER

UPPER

Figure 10

Model 962 Line-Powered Wiring

Ground

Shield: 1, 3

Signal: 2, 4

FORCE

CHANGE

FORCE

FAULT

TB2

TB3

037-3316-xxx Cabling

Figure 9

Model 961 Loop-Powered Remote Transducer Wiring

Remote Transducer Housing

Electronics Module

962-7DA1-135 Datasheet(PDF) 9 Page - Magnetrol International, Inc.

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