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1
Intended Applications
The pressure switches are specifically applied for monitoring and controlling of operations using
maximum and minimum pressures. A micro switch triggers an electrical signal when minimum or
maximum pressure are reached.
DANGER
The switch may only be used in the specified fields of application (see type plate).
The temperature has to be within the specified ranges, the pressure values and the electrical
rating must not exceed the values specified.
Observe also the applicable national safety instructions for assembly, commissioning and
operation of the switch.
The switch is not designed to be used as the only safety relevant element in pressurized systems
according to DGR 97/23/EC.
IMPORTANT
Suitable media:
All common hydraulic oils and fluid greases, and, with restrictions, aqueous media or gases. If the
media used tend to resinating or hardening of any kind the required cleaning work must be
performed at the specified intervals to avoid malfunctions or damage to the device.
Using aqueous, non-lubricating media or gases for piston pressure switches will inevitably result in
a shorter service life of the devices, and is therefore not recommended. In each case the suitable
gasket and diaphragm materials must be selected in accordance with the medium used, and the
respective approvals must be observed.
2
Safety Instructions
The safety instructions are intended to protect the user from dangerous situations and/or material
damage.
In the operating instructions the seriousness of the potential risk is designated by the following
signal words:
DANGER
Refers to imminent danger to men.
Nonobservance may result in fatal injuries.
WARNING
Refers to a recognizable danger.
Nonobservance may result in fatal injuries, and destroy the equipment or plant parts.
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CAUTION
Refers to a danger.
Nonobservance may result in light injuries and material damage to the equipment and/or to the
plant.
Refers to important information essential to the user.
Disposal
The equipment must be disposed of correctly in accordance with the local regulations for
electric/electronic equipment.
The equipment must not be disposed of with the household garbage!
3
Standards
The standards applied during development, manufacture and configuration are listed in the CE
conformity and manufacturer's declaration.
4
Warranty/Guaranty
Warranty
Our scope of delivery and services is governed by the legal warranties and warranty periods.
Terms of guaranty
We guaranty for function and material of the single- / dual- pressure switch under normal operating
and maintenance conditions in accordance with the statutory provisions.
Loss of guaranty
The agreed guaranty period will expire in case of:
changes or modifications to the switch/housing/fitting
incorrect use,
incorrect installation or
incorrect handling or operation contrary to the provisions of these operating instructions.
No liability is assumed for any damage resulting therefrom, or any consequential damage.
5
Transport/Storage
CAUTION
Severe shock and vibrations should be avoided during transport. Storage should be dry and
clean.
3
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