Bedienungsanleitung Watts CIVIC 4 (Seite 5 von 12) (Englisch, Italienisch)

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CIVIC1-MOI-IT-W-ML-09-18-Rev.1

Watts Water Technologies, Inc.

Once the correct power is supplied, the control unit carries out

the following phases in sequence:

LED and buzzer tests (about 5 seconds)

Whichever operating mode is selected, the LEDs will switch on

in sequence and the buzzer will sound briefly.

Warm-up of detectors (about 1 minute)

During this phase, which brings the detectors up to the

correct operating temperature, the gas detection system is not

operational. During this phase, if the wiring connections

are correct, the control unit display shows the following:

Operating test (about 3 minutes)

Once the detector warm-up phase is complete, the device

enters the operating test phase. During this phase, all internal

timing is reset to ease operating verification of the detectors

(alarm simulation). In this case, the control unit display shows

the following:

Keep the “Reset/Test” button pressed down for over 1 second

to interrupt the operating test phase. To test the detectors

correctly, proceed as follows:

Gas alarm test

Bring the test cylinder close to the detector grille and release

a small amount of gas (caution: if the gas is aimed directly at

the sensor, this will be permanently damaged). For CO testing

of detectors, smoked produced by combustion can be used.

The control unit will signal the alarm as follows:

Keep the “Reset/Test” button pressed down for 1 second to

silence the alarm (if there is no gas remaining) and terminate

the operating test phase. To restart the Test phase, just keep

the relative button pressed down for about 6 seconds. Repeat

the operations described above to test the other detectors.

Interface Positive

logic

Negative

logic

Power supply LED Green Flashing 1 Hz Flashing 1 Hz

General failure LED Yellow On Off

Detector failure LED (4) Yellow On Off

Alarm and line failure

LED (4) Red On Off

Alarm buzzer No sound No sound

Alarm relay Energised De-energised

Failure relay Energised De-energised

Interface Positive logic Negative logic

Detector

alarm LED Red Off On

Alarm buzzer Continuous sound Continuous sound

Alarm relay De-energised

Energised

(permanently or

pulsed depending

on E2)

Interface Positive

logic

Negative

logic

Detector failure

LED Yellow Off On

Alarm buzzer Intermittent

sound

Intermittent

sound

Failure relay De-energised Energised

General failure LED Yellow On Off

Caution The repeated use or high concentration of interfering

substances (alcohol, lighter ﬂuid etc.) can cause permanen

damage to the sensor and put the device out of order.

Detector failure test

Simulate a failure in the detector as follows:

- disconnect the cable of the detector and verify the following alerts:

- reconnect the detector and press the “Reset/reconnect the

detector and press the “Reset/Test” to return the control unit to

normal operating mode, making the sure the conditions of the

various interfaces are reset.

Normal operation

This is the normal operating phase of the control unit during

which both gas alarm monitoring and self-testing of the

instrument (detector) and the system (control unit) are

active. During this phase, where there are no alarms and/or

abnormalities, the control unit display shows the following:

When dangerous concentrations of gas are detected, the

control unit enters the gas alarm phase and carries out the

following operations:

Once the gas alarm condition is normalised, the control unit

needs to be reset to its normal operating status. Press the

“Reset/Test button on the front of the control unit to reset it.

If there are abnormalities (detector and/or control unit), the con-

trol unit will show the following display:

Interface Positive

logic

Negative

logic

Power supply LED Green Flashing 2 Hz Flashing 2 Hz

General failure LED Yellow On Off

Detector failure LED (4) Yellow On Off

Alarm and line failure

LED (4) Red On Off

Alarm buzzer No sound No sound

Alarm relay Energised De-energised

Failure relay Energised De-energised

Interface Positive

logic

Negative

logic

General failure LED

(for control unit failure) Yellow Off On

Detector failure LED

(for detector failure) Yellow Off On

Alarm buzzer Intermittent

sound

Intermittent

sound

Failure relay De-energised Energised

Interface Positive

logic

Negative

logic

Power supply LED Green On On

General failure LED Yellow On Off

Detector failure LED (4) Yellow On Off

Alarm and line failure

LED (4) Red On Off

Alarm buzzer No sound No sound

Alarm relay Energised De-energised

Failure relay Energised De-energised

Interface Positive logic Negative logic

Detector

alarm LED Red Off On

Alarm buzzer Continuous sound Continuous sound

Alarm relay De-energised

Energised

(permanently or

pulsed depending

on E2)

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