AFRISO OSA 3 Manual - Página 9

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OSA 3

Seperator alarm OSA 3 • Manual

Wiring the system using individual cables

When fitting an ultrasonic sludge

sensor a junction box should

always be used that allows the

equalisation of the earth potential

outside of the alarm control unit.

When connecting more than 1 sensor it is

recommended that a junction box is used.

If a junction box is not used all cable joints

should be sealed using heat shrink tubing.

When connecting an ES8 sludge sensor an

external junction box should be used that

allows the shielded cable to be grounded

to earth.

230 VAC

AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • [email protected] • www.afriso.se

Terminals

K1: 230 VAC, 4 VA

K2: R1 Voltage free relay output (Symbols

on the circuit board are indicated in the

alarm condition)

K2: R2 Voltage free relay output (Symbols

on the circuit board are indicated in the

alarm condition)

K4: Terminal contact for membrane keypad

ribbon cable (not shown)

K3: 1-G Capacitive sensor ES4

K3: 2-G Thermal sensor R6-S

K3: 3-G Sludge sensor ES8

Recommended cable

Power supply: 3 x 1.5 mm²

Separate cable for sensor ES4 and

R6-S: 2 x 1 mm²

Separate cable for sensor ES8: 3 x 1 mm²

or 2 x 1 mm² with shielding

Junction box