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ENMET AM-5175 User Manual

Page 4

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AM-5175

ENMET Corporation

2

2.0 Components of the

AM-5175

2.1 AM-5175 elements

See Figure 1 for location of elements:

Feature

Description

Enclosure

A polycarbonate box, approximately 7 x 5 x 3, with a detachable front cover.

4 holes for mounting the enclosure to a vertical surface. Located at the corners of the bottom
of the enclosure, directly beneath the 4 front cover retaining screws. See Figure 3

Front Cover

Detachable front cover of

AM-5175

with Display Panel. See Section 2.2 and Figure 1

There are 4 Screws that hold the front cover in place.

2.2 AM-5175 Operational Features

The Display Panel is attached by a cable and is released by unscrewing the 4 screws located in the corners. After releasing the
panel, it is swung upward, exposing the interior of the enclosure. See Figure 1 for location of features.

Feature

Description

Display

A single line, 8 character LCD with backlight. Indicates the level of gas detected by sensor.
The numerical value of gas concentration and other information is displayed.

Audio Alarm(Horn)

Audio alarm (105 dB at 30cm/12in). The audio alarm is activated when the unit is in alarm.

Visual:
Indicators and Alarms

LED indicators:

Power / Fault Indicator LED, Green / Red
Alarm (3) Indicator LED, Red

Membrane Switches

2 Pushbutton Switches on front panel

control the instrument maintenance functions. The

pushbutton switch locations are indicated by:

M

ENU

↓: Advances the instrument display through operation information and maintenance

menus

S

ELECT

: Disables audio alarm temporally and

Selects the maintenance menu operations such as, Zero, Span, Exit menu or sets
proper calibration values for Zero or Span

See Section 4.0 and 5.0 for operational and maintenance flow charts.

Three alarm points are preprogrammed into the

AM-5175

. At each alarm point, an LED on the front panel is activated. There

are 4, 10 Amp relay contacts at each alarm point, plus a fault relay. See Section 3.2 for wiring information.

Figure 1: External AM-5175 Features

Menu

Select

Audio Alarm

Power Wiring

Strain Relief

Visual Indicators:
Alarm1, Alarm2, Alarm3

Pushbutton/Membrane
Switches

Visual Indicator

Power/Fault

Front Cover
Retaining Screws
4 places

Remote Wiring Access

Sensor