Binder LIT MK 240 User Manual

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MK LIT (E5) 01/2021 page 67/172

11.1.3 Connection of the coil connector on the CO

pressurized gas cylinder

• Attach the coil connector to the solenoid coil

Connecting the coil connector

11.1.4 Function test of the valve

The valve must be checked for function after connecting the coil connector and before removing the lock

nut for connecting the high-pressure hose. The correct opening and closing of the valves can be proven by

means of this function test.

Initial state:

• The lever for manual release is secured

• The valve outlet is sealed gas-tight with the lock nut

A conventional hexagon socket wrench SW 3 and a lock nut with ventilation bore are required to carry out

the function test.

Function test

• Actuate the valve electrically by manual release for a short time (2 to 3 seconds) and then switch off the

power to reset the manual release and the control unit.

• Loosen the bleeder screw with the hex socket wrench by half a turn. This bleeds the upper valve area

so that the valve audibly closes. However, the pressure in the valve outlet is maintained.

• Carefully loosen the lock nut by approx. half a turn to bleed the valve outlet. An audible, brief gas leak

signals that the valve has opened correctly. This gas leak must stop immediately. Otherwise the

valve is not closed. In that case, the lock nut must not be removed under any circumstances.

• If the valve does not close, it must be replaced. Contact BINDER Service.

• If the valve is functioning correctly, screw the bleeder screw back in a gas-tight manner.

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Binder LIT MK 240 dynamic climate chambers