Barksdale BLS3000 Gebruiksaanwijzing - Pagina 2

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Intended Applications
The dual level switch monitors the level of the medium into which the probe is immersed. The dual
level switch features up to two switching outputs and one analog output.
DANGER
The switch may only be used in the specified fields of application.
The temperatures must 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 PED/DGR 97/23/EC.
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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.
CAUTION
Refers to a danger.
Nonobservance may result in light injuries and material damage to the switch and/or to the plant.
IMPORTANT
Refers to important information essential to the user.
Disposal
The switch must be disposed of correctly in accordance with the local regulations for
electric/electronic equipment.
The switch must not be disposed of with the household trash!
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Standards
The standards applied during development, manufacture and configuration are listed in the CE
conformity and manufacturer's declaration.
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Warranty/Guarantee
Our scope of delivery and services is governed by the legal warranties and warranty periods.
Terms of guarantee
We guaranty for function and material of the dual level switch under normal operating and
maintenance conditions in accordance with the statutory provisions.
Loss of guarantee
The agreed guarantee period will expire in case of:
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.
Refer to Barksdale "Standard Terms and Conditions".
5

Installation

CAUTION
Avoid impact and severe vibration during transport. Even if the switch housing remains
undamaged internal parts may be damaged and cause malfunctions.
The level switch may only be installed and electrically connected by trained and instructed
staff according to state-of-the-art standards.
DANGER
The switch may only be installed in systems in which the maximum temperature T
maximum pressure D
(3 bar) are not exceeded.
max
Only install the switch when deenergized (electrically and hydraulically/pneumatically).
Mount the level switch from the bottom to the fitting using a wrench size 27 mm (1.063 inch), and
tighten it to a maximum torque of 22 Nm (190 in/lb).
The housing temperature of the level switch measured on the hexagon head of the process
connection must not exceed 70 °C (158 °F) when operated continuously at the maximum ambient
temperature. This must be ensured by special provisions.
Adjustment of the orientation of the display and/or the process connection must be done by hand.
Do not use tools!
and the
max
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