Armstrong Monitoring Corporation 1044-T Manuel d'installation et d'utilisation - Page 5

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3 PRODUCT DESCRIPTION

The AMC-1044-T is a gas monitoring system designed to be used with AMC broad selection of

Sensor/Transmitter types. It serves to continuously monitor the target gas (listed in Product

Information Section). The monitor comes with the following features (see Figures 1, 2 and 3).

1. POWER ON INDICATOR:

2. FAIL INDICATOR:

3. LOW ALARM INDICATOR:

4. HIGH ALARM INDICATOR:

5. POWER TERMINAL BLOCK:

6. TEST SWITCH:

7. LOW ALARM ADJUST:

8. HIGH ALARM ADJUST:

9. THREE CIRCUIT MINIATURE

SWITCH:

9. a) TOP ACTUATOR:

9. b) MIDDLE ACTUATOR:

9. c) BOTTOM ACTUATOR:

10. RELAYS:

11. TRANSFORMER:

12. NEMA 4X AUDIO ALARM:

AMC-1044-T Monitor

Power is indicated by a green LED.

Sensor fail is indicated by an amber LED.

Low levels of gas are indicated by a yellow LED.

High levels of gas are indicated by a red LED.

For line voltage connections (120 VAC, 60 Hz.)

The test switch is provided to electronically simulate alarms

in order to test the low and high alarm indicators and relays.

Sets the Low alarm trip point.

Sets the High alarm trip point.

Each actuator on the miniature switch controls a different

circuit as shown in Figure 1. If the actuator is set in the UP

position, its corresponding circuit is ON. If the actuator is

set in the DOWN position, the circuit is OFF.

Provides a TEN-minute time delay, when the switch is ON,

to eliminate unnecessary alarms caused by momentary

exposure to high alarm conditions.

Provides a FIVE-minute time delay, when the switch is ON,

to eliminate unnecessary alarms caused by momentary

exposure to low alarm conditions.

Controls the audio alarm indicator. When ON, the buzzer

will activate when a high alarm condition occurs.

There are up to 3 DPDT relays, which work with high alarm,

low alarm, and as an option fail.

Class II, step down transformer runs the internal circuitry at

low voltages.

When enabled, the buzzer will activate when a high alarm

condition occurs.