Installation, Operation & Maintenance Parksafe Gas Detector
Rev: 9 10-20
14
Parksafe Gas Testing Procedure
Recommended gas concentrations for testing your mini-merlin system
.
Carbon Monoxide (CO)
250-500ppm** in air.
Nitrogen Dioxide (NO
2
)
10ppm** in air
**
Reference should always be given to any applicable national & local law and industry codes.
Generally, the gas concentration should be greater than the alarm threshold of the device.
1.
Ensure you have the correct gas for the device type prior to application.
2.
Screw the regulator/valve into the gas cylinder outlet.
3.
Once sealed, the regulator pressure gauge (if available) will indicate cylinder pressure.
4.
Offer up the applicator hose/cone and fully cover the sensing element on the front case.
5.
Open the valve/regulator to allow the gas to be delivered at a pre-set flow rate.
6.
Apply gas.
7.
The detector Alarm LED will illuminate after a short period of time.
8.
The Parksafe control panel will activate all configured outputs/relays and will also display the gas
concentration detected by the device under test.
At this point…
9.
Remove applicator hose/ cone and turn the gas cylinder regulator/valve off.
10.
Press Silence on your control panel.
11.
Once the detector has returned to normal – press Reset on the Parksafe control panel.
12.
Test complete.
13.
Record your test details. There is a provision for this in the Parksafe control panel manual.
Always remove the regulator/valve after use - All cylinders will re-seal upon removal of the regulator!
Never use expired or ‘near empty’ gas cylinders!
Always give at least five (5) minutes between testing the same unit!
If in doubt, contact your supplier.
Test Gas Storage & Handling
All test gases are classified as non-flammable and non-toxic, however, they do contain gas under
pressure and may explode if heated to extreme temperatures and cause asphyxiation in high
concentrations.
Cylinders should be stored in the vertical position and secured to prevent them falling over.
Keep away from all sources of ignition.
Store in well ventilated areas.
Do not lift single cylinders by the valve device unless they are designed for that purpose.
Ensure valve/regulators are screwed and secured tight.
Always remove the regulator/valve after use and at the end of each working day.
Do not remove or deface cylinder labels.
Always use in accordance with Safety Data Sheet - available on request.
