Enmet ISA-RAL-M Bedienungsanleitung PDF herunterladen (Seite 6)

ENMET Corporation ISA-RAL-M, ISA-RAH-M

3.0 Features, Definition of Parts3.0 Features, Definition of Parts

3.1 Electronics Control Unit

Figure 1 shows the control unit which contains the electronics circuitry and controls. Main features are listed below.

Power Light

(Green)

When this light is on, the unit is operating and is not in alarm. When this light is off,

the unit is in alarm OR power to the unit has been interrupted.

Alarm Light

(Amber)

Visual alarm (steady light). When this light is on, power to the unit is on and the unit

is in low alarm.

Alarm Light

(Red)

Visual alarm (steady light). When this light is on, power to the unit is on and the unit

is in high alarm.

Audio Alarm Audio alarm (2900 Hz,95 dB at 2 ft.). The audio alarm is on when the unit is in alarm.

Meter

A carbon monoxide (CO) concentration meter. The scale is marked in parts per

million (ppm) CO. This is a non-linear device. Do not infer exact readings from

unmarked regions of the meter scale.

Operation Switch A rotary switch, for OPERATE (normal operation), HORN OFF (disengage audio

alarm) or PURGE ON (sensor temperature control).

PURGE ON to clean (purge) sensor surface of adsorbed contaminants (sensor hot).

Switch Indicator Light

(Red)

Indicates OPERATION SWITCH is not in OPERATE position.

Sensor Cable Oiltight cable. Connects the sample head assembly to the control unit

(length 8-10 feet). See Caution in section 4.0 Installation step 5.

Figure 1: Electronics Control Unit

Figure 2: High Pressure Regulator

Alarm Light

(Red)

Alarm Light

(Amber)

Power Light

(Green)

Switch Indicator Light

(Red)

Operation Switch

Meter

Audio Alarm

Sensor Cable

4 holes, .31 Dia.

1 2 3 4 5 6 7 8 9 10 11 ... 21 22

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