Enmet ISA-M Manual do Utilizador descarregar pdf (Página 8)

ENMET Corporation ISA – M

4.3 Sensor Hook-up

The MOS sensor is connected to the ISA-M control unit with three conductor wiring, use the correct oiltight fitting.

Two conductors supply heater current to the sensor. The third conductor is a signal wire. Size of heater wire depends

on the distance between the particular sensor and the control unit. See Table 4.

Sensor wires correspond to the normal wire code:

orange – heater

brown – heater ground

blue – signal

Figure 4: Internal View of Sensor Wiring

NOTE: The three color-coded wiring attachments must be performed by the user when replacing the sensor.

Table 4: Recommended Wire Gauge

Distance from Sensor to Control Unit Recommended Wire Gauge

250 feet 16 AWG

350 feet 14 AWG

Longer Distances Contact Factory

CAUTION: After you mount and install the ISA – M, you must adjust the sensor heater voltage (see section 4.4).

Sensor Wiring

FOR 812 / 813 / 814 SENSORS

Position Function Wire Color

1 Signal (Blue)

2 Heater (Orange)

3 Ground (Brown)

Optional

Splash Shield

Sensor Wiring

Terminal

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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Enmet ISA-M Manual do Utilizador Página 8