GESTRA UNA 46, Оригинальная инструкция по установке

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30
Exchanging the control unit

Remove the cover from the body as described in
the section "
Removing cover
" from page 19.

Remove the control unit as described in the
section "
Removing control unit
" on page 19.

Secure the control unit to the body as described
in the section "
Mounting the control unit
" from
page 20.

Attach the cover to the body as described in the
section "
Mounting cover
" from page 21.
Exchanging the membrane regulator capsule
The following section applies only to type
UNA 45, UNA 46 and UNA 46A devices.
On type UNA 47 devices, it is not possible
to replace the bimetallic vent.

Remove the cover from the body as described in
the section "
Removing cover
" from page 19.
In equipment with DN 15–DN 25 the cover
presses the membrane regulator capsule
onto the seat. You can therefore easily
detach the membrane regulator capsule
from the seat after removing the cover.
In equipment with DN 40 and DN 50 a
mounting clip is used to fix the membrane
regulator capsule in place. To exchange
the membrane regulator capsule first you
have to remove the mounting clip. For this
purpose you have to remove the control
unit. Proceed as follows:

Pull off the membrane clip (30) from the control
unit (1.).

Pull off the control membrane (29) by lifting it
from the seat (31) (2.).
Install the new membrane regulator capsule as
follows:

Press the membrane regulator capsule onto the
seat until it snaps into place.

Slip the mounting clip over the membrane
regulator capsule.

Attach the cover to the body as described in the
section "
Mounting cover " from page 21.