User manual

Model: EC-GOLD Dual

ECGOLDDUALUM12.doc Rev: 1.2

2. The gas sensor is mounted directly behind the Calibration Port in the middle of the front

plate of the EC-Gold Dual housing [See Fig. 4.1]. Insert the Quick Disconnect tube into

the EC-Gold’s Dual Calibration Port.

3. Start gassing the sensor by opening the valve on the canister. The flow rate is preset

to 0.5 Lpm (or ~1 SCFH (Standard Cubic Foot per Hour). Wait about 90 seconds.

4. Press and hold the calibration pushbutton (via the access hole – see Fig. 4.1) until the

Status LED glows orange acknowledging the calibration request. Release the

pushbutton.

5. If the Status LED remains green after the Calibration pushbutton is released,

then the Calibration has been successfully completed. If the calibration was

successful, the Status LED remains green. If there was a calibration error such as not

enough change for the gas concentration used, then the Status LED shows red for

about 2-3 seconds before reverting back to green.

THIS COMPLETES THE CALIBRATION PROCEDURE

FOR STANDARD FEATURE CONTROLLER

5.0 PUSH

TO TEST FEATURE

The Push to Test feature allows the customer to verifty if the controller is receiving a LOW, HIGH, HIGH

HIGH and Total span alarm signals and that ventilation fans, audio alarms etc are working.

Press the Push to Test pushbutton to activate this feature. See Figure 3.0 for the pushbutton location.

When the button is pressed and released, the Status LED starts blinking green on and off every 2

seconds to indicate a test is underway. This feature forces the sensor to Low alarm plus 1ppm.

Press Button again to force High alarm plus 1ppm. Press Button again to force HIGH HIGH alarm (HIGH

HIGH alarm plus 1ppm). Press Button again to force span value alarm. Press Button again to get out of

Push to Test feature. If Push to Test feature is left ON, it will time out after 30 minutes.