MENZL Multitest plus - Performing Tests; Important Note on Performing Tests; Normal-Pressure Equipment; Lung-Governed Demand Valve Without Positive Medium-Pressure

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Multitest plus

Operator's manual

- 9 -

Performing tests

For the time intervals against which leak-tightness tests and functional tests are to be carried

out, refer to the manual provided by the equipment manufacturer. Always perform tests against

the specifications found in the relevant equipment manual.

Important note on performing tests

Do NOT apply medium pressure to the lung-governed demand valve while it is attached to

the equipment connector.

Be sure to strictly adhere to the following sequence of steps in order to prevent the tester and the

lung-governed demand valve from being damaged:

- Detach the lung-governed demand valve from the equipment connector.

- Apply medium pressure to the lung-governed demand valve.

- Attach the pressurized lung-governed demand valve to the equipment connector.

Normal-pressure equipment

Lung-governed demand valve without positive medium-pressure

Attach the lung-governed demand valve to the equipment

connector.

Seal the connecting nipple of the lung-governed demand valve.

Move the “pressure pump” lever to the “OPEN” position.

Press and hold the pump push-button.

Let the pressure build up until it is slightly higher than the level required

for testing and move the “pressure pump” lever to the “CLOSED”

position.

Release the pump push-button.

Release pressure via the relief valve until the level required for testing is

reached.

Perform the test against the specifications provided by the equipment

manufacturer.

Lung-governed demand valve without negative medium-pressure