Honeywell HON HSV086, Руководство по эксплуатации и техническому обслуживанию, Страница: 18 / 48

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Operation and maintenance manual HON HSV086 18
Checking the lower threshold value
The setting for underpressure, resp. diaphragm fracture protection, has to be checked
as follows.

Pressurise the pressure converter. Choose a pressure value between the lower
and higher threshold values.

Let the pressure in the pressure converter decrease slowly.

When the lower threshold value has been reached, the system has to switch.

Bring the pressure in the pressure converter back to a value between the lower
and the higher threshold values.

Bring the pressure above and below the valve in equilibrium, by means of the
bypass.

Lock the HON HSV (see chapter 4.4).

Run this check several times.
Checking the higher threshold value

Bring the pressure in the pressure converter to a value between the lower and
higher threshold values.

Let the pressure in the pressure converter increase slowly.

When the higher threshold value has been reached, the system has to switch.

Bring the pressure in the pressure converter back to a value between the lower
and the higher threshold values.

Bring the pressure above and below the valve in equilibrium, by means of the
bypass.

Lock the HON HSV (see chapter 4.4).

Run this check several times.
Checking the emergency button

Build up the normal initial pressure in the pressure converter.

Press the emergency button of the SVC086 (red button at the top of the SVC086)

The system should now switch.

Bring the pressure above and below the valve in equilibrium, by means of the
bypass.

Release the HON HSV (see chapter 4.4).

Run this check several times.