It features gas pressure proving and built-in two-channel current monitor designed for use within commercial kitchens, set up with a simple button press.

Gas proving must be fitted in any commercial kitchen which has appliances fitted without flame failure devices (FFD’s). Gas proving should be considered for the long term benefit and safety of the site when considering other gas standards and that the majority of leaks identified are before the FFD’s.

The easy to use OLED provides clear messages giving real-time information rather than just LED indications.

Fan load sensitivity range on each fan is 30 milliamps to 20 amps (max).

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The easy to use LCD provides clear messages giving real-time information rather than just LED indications.

It is a requirement that any mechanical ventilation within a kitchen environment (both supply and extract) is switched on and running before the use of any gas appliances can take place. With the SafeAir (GP), if the ventilation is not switched on, the LCD display informs the operator that the fans are off.

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Medem gas detectors can be used to monitor the carbon dioxide level to ensure that HSE set levels are not exceeded.

Engineer functions can be used to aid in the setup of the system –displaying real-time inlet and outlet pressure at the gas valve (mbar) Valve lift button, it’s with functions like these that for example a ‘valve let by indication’ check be performed with ease.

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Gas proving must be fitted in any commercial kitchen which has appliances fitted without flame failure devices (FFD’s). Gas proving should be considered for the long-term benefit and safety of the site when considering other gas standards and that the majority of leaks identified are before the FFD’s.

Demand-controlled ventilation fail-safe gas valve and relay checking are just some of the new developments making Medem systems continue to be the most reliable, safest and flexible available today.

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Flexibility

Each CM2L-K can be used to interlock 2 fans, the fans are connected by taking the live feed for each fan through the current monitor (before any speed controllers/inverters).

Fan load sensitivity range on each fan is 30 milliamps to 24 amps (max).

CM2L-K with button learn-function without an LCD is also available.

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Each CM2M-K can be used to interlock 2 fans, the fans are connected by taking the live feed for each fan through the current monitor (before any speed controllers/inverters).

Fan load sensitivity range on each fan is 30 milliamps to 24 amps (max).

Features and Details:

There are 3 LED indications:

• 1x Green, for the 12-volt power to the CM2M-K.
• 2x Red, one for ‘Fan A’ and another for ‘Fan B’ load detection.

When the fans are switched on and the load is detected (installation instructions) the corresponding side’s NO/NC contact will close and the red LED will light, this will flash for the first 15 minutes after current detection and then become solid. The flashing LED helps us to identify a fan intermittently stalling.

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The GPPS-evo is designed to perform a downstream integrity check of pipework and appliances which could be left open to atmosphere, such as a laboratory.

In-line with the updated legislation of BB101 and IGEM/UP11/Edition 3 the system can also monitor the CO2 level when fitted with a Medem detector displaying the PPM.

CO2 is considered a primary indicator of air quality, with the latest legislation setting maximum limits for levels within educational facilities.

Carbon Monoxide, Natural Gas and Oxygen depletion detectors can also be monitored.

An auto-stop timer is incorporated to help prevent unauthorised use of the gas out-of-hours.

There are several ‘engineer functions’ which can be used to aid in the set-up of the system.

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