GB
GB
13
Table of contents
1
GENERAL
3
INSTALLATION OF ENCLOSURE
§1.1 Important
!!
§3.1 'C'-enclosure
§1.2 Switch
identification
§3.2
'Z'-enclosure
§3.3
'V' and 'W'-enclosure
2 SENSOR
INSTALLATION
§3.4
'M'-enclosure
§2.1
Pressure and vacuum-sensor
§2.2 Differential
sensor
4 ELECTRICAL
INSTALLATION
§2.3 Temperature
sensor
5 SETPOINT
ADJUSTMENT
6
EC DECLARATION OF
CONFORMITY
1 GENERAL
§1.1 Important!
∗
BETA switches are precision instruments and should be handled accordingly.
BETA switches are used to switch at a pre-set (differential) pressure or temperature.
∗
The design and construction of the switch is such that, so long as it is fitted in accordance with the instructions,
the switch is
maintenance free.
Never oil or grease any part of the switch.
∗
Do not remove or replace any part of the switch except for the cover and mounting bracket.
∗
Avoid exposure to excessively high or low temperatures or aggressive cleaning/lubricating agents. The switch is
suited for environment temperatures between -30
°
C and +80
°
C.
∗
The adjusting nut is self-locking. Sealing the adjusting nut after the setpoint has been adjusted is not only
unnecessary but is strongly discouraged.
∗
Check all the data on the name plate before installation.
∗
All measurements are in mm.
∗
If you are in need of technical assistance, please contact your supplier. Repair/maintenance is only possible after
the instrument has been decontaminated.
∗
From your supplier a diaphragm/o-ring set and or a microswitch can be obtained, including instructions. Please
give the serial number.
∗
Repairs/maintenance should only be performed by experienced instrument engineers.
Except for replacing diaphragms/o-ring and or micro switches, all repairs and maintenance should be performed
at the BETA-factory.
∗
Guarantee claims will be dropped after repairs/modifications which are not performed at the BETA-factory.
∗
The chapter sequence of this instruction guide is also the sequence for installation.
∗
Foundation vibrations, as well as process vibrations, can disturb the proper functioning of the switch
.
