GESTRA UNA 46, Original Installation Instructions

Page: 16 / 52

16
Operation
During operation you can undertake the following
work:

Open and close the optional hand-vent valve

Open and close the optional manual float-lifting
lever

Adjust the optional bypass
To do this, use the socket spanner (stock code #
526110) supplied with the equipment.
The optional hand vent valve allows manual air
venting.

To air vent the equipment turn the hand-vent
valve (viewed from top) anticlockwise.

To close the hand-vent valve after air-venting
turn it clockwise.

Fasten the hand-vent valve hand tight.
The optional float-lifting lever allows the float to be
manually lifted irrespective of the liquid level. It can
be used to purge any dirt away from the seat area
and out of the equipment by opening the orifice and
draining the liquid.
The cast arrow on the body indicates the correct
direction of rotation.

To open the orifice turn the socket spanner from
the tip of the arrow towards the end of the
arrow.

To close the orifice turn the socket spanner
from the end of the arrow towards the tip of the
arrow.
The optional bypass can be used to adjust the
bypass flow using the socket wrench provided (26).
Attention!
Tightening the bypass too tightly may
damage the device.

Only tighten the bypass hand tight.

To reduce the flow, turn the socket wrench
clockwise.

To increase the flow, turn the socket wrench
anti-clockwise.
You can check the correct functioning of the
equipment during operation using the GESTRA
ultrasonic measuring unit VAPOPHONE
®
or
TRAPTEST
®
(VKP 40 and VKP 40plus).

For more details refer to the installation &
operating manual of the ultrasonic measuring
unit.