AKO AKO-57625-1 Beknopte handleiding - Pagina 2

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Description

Display

Gas sensor

Keypad

Detector initialisation

Each time that the detector is supplied with power, an initialisation process begins, during which the

the alarms, digital inputs and keyboard are disabled.

After a few moments, the detector begins to operate normally. However, at least 5 minutes should elapse for optimal operation to be reached.

AUTO-CONFIGURATION function

Allows for digital input polarity to be configured and for the audible alarm to be enabled / disabled.

1.- Ensure that both digital inputs are in standby (not activated)

2.- Disconnect the power supply, connect it again and press the 'AUTO-CONFIGURATION' push-button 5 consecutive times before 2 minu-

tes have elapsed. The

and

indicators light up alternately.

3.- Press the

key to enable / disable the mute key.

4.- Keep the "AUTO-CONFIGURATION" push-button pressed down for 5 seconds to save the configuration of the digital inputs.

Optionally, we can return the detector to its factory settings. To do so, press the "AUTO-CONFIGURATION" push-button 5 times

before step 4.

Pre-alarm jumper

Allows for Pre-alarm detection to be enabled / disabled. Before using this option, ensure that regulations allow for two alarm levels.

Pre-alarm enabled

When using the ammoniac (AKO-57613) or CO

Pre-alarm and Alarm delay switch

Define the time elapsed between when the Pre-alarm / Alarm level is reached and the Pre-alarm / Alarm launches (Indicated on Display,

audible alarm and relay activation).

30 s.

Without delay*

Set Hold mode

Prevents false alarms when charging or cleaning the chambers.

While this mode is activated, pre-alarms will not signal and alarms will signal as pre-alarms when faced with all effects (sound, relay acti-

vation and signalling).

To activate/deactivate this mode, press the

key for 3 seconds. The display will show the

You may also activate/deactivate this function remotely using digital input 2 (DI2) if required.

This mode will remain active for a maximum of 5 hours, then will deactivate automatically.

If this mode is activated using the

key, it can only be deactivated using the same key. This is also true when activating the mode using

digital input 2.

Constant: Gas pre-alarm activated.

Quick flashing: Gas alarm activated.

Slow flashing: Gas alarm saved.

Quick-flashing, 3 short beeps every

2 minutes: Sensor error

For gas Pre-alarm / Alarm, pressing briefly silences the alarm tone.

During AUTO-CONFIGURATION, enable / disable the audible alarm.

Pressing both keys for 6 seconds:

key flashes. During this process,

(only in independent operation)

Pre-alarm disabled

(AKO-57615) detector, the pre-alarm must be enabled.

60 s.

1 0 s.

indicator.

Constant: Set Hold mode activated

Flashing: Maintenance mode activated

Audible alarm silenced or disabled

(See AUTO-CONFIGURATION)

Pressing for 3 seconds activates or deactivates Set Hold mode.

Pressing for 6 seconds activates or deactivates maintenance mode.

Activation / deactivation of the second set of Pre-alarm / Alarm levels.

Should there be a sensor error, restart the detector.

Maintenance mode

Disables gas pre-alarms and alarms for 1 hour for maintenance tasks.

While this mode is activated, no gas pre-alarm or alarm will sound.

To activate/deactivate this mode, press the

key for 6 seconds. The

Pre-alarm and Alarm levels

GASES DETECTED

AKO-57625-1

R-1234ze

In the event of a sensor error, the detector emits 3 alert tones every 2 minutes, the

Alarm relay is activated.

Operation check (Bump test)

EN-378 and F-GAS international standards require verification of the correct operation of the transmitter at least once per year.

Please check what current local regulations specify for such cases. Always ensure that you comply with current local

regulations.

We recommend using AKO-58110 cable. To carry out this check, follow the instructions included in the kit.

Technical specifications

Power supply ............................................................................................................................................................................12 - 30 Vdc

Consumption

Typical ................................................................................................................................................................... 75 mA

Maximum............................................................................................................................................................. 125 mA

Pre-Alarm/Alarm relay ..................................................................................................................................... SPDT 30 Vdc, 2 A, cos j =1

Working ambient temperature ............................................................................................................................................-30 ºC to 50 ºC

Storage ambient temperature .............................................................................................................................................-30 ºC to 60 ºC

Range of maximum moisture permitted .............................................................................................. 0 - 95 % HR (without condensation)

Protection degree .............................................................................................................................................................................. IP 68

Type of sensor ........................................................................................................................... NDIR (Non-Dispersive Infrared Technology)

Full scale ........................................................................................................................................................................................... 2000

Dimensions ........................................................................................................................................ 202 mm (W) x 82 (H) x 55.5 mm (D)

Second set of Pre-alarm / Alarm levels activated

Powered via an external power supply

(Independent operation)

indicator will flash.

DEFAULT LEVELS

SECOND SET OF LEVELS

PRE-ALARM

ALARM

PRE-ALARM

ALARM

500 ppm

1000 ppm

2000 ppm

Pre-Alarm

icon flashes and the Pre-