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8012426/YWL2/3-0/2016-08| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SP100
Subject to change without notice
START-UP AND PARAMETER SETTINGS
4
Sender/receiver unit for internal duct pressure up to +200 kPa
In this version, measuring probe and electronics unit in the pressure-proof enclosure
cannot be rotated towards each other by 90 °. The sender/receiver unit must be installed
as shown in
see “Probe alignment”, page 58
depending on the flow direction.
4.2.2
Fitting and connecting the sender/receiver unit
▸
Connect the sender/receiver unit to the purge air supply and check whether the flow
direction is correct and the purge air hose is fitted tight on the connection.
▸
Push the sender/receiver unit with the correct alignment (
) into the flange with tube (do not forget the seal) and fasten with the assembly
kit. Make sure the probe head is not damaged during fitting.
▸
Connect the connection line to the MCU on the plug connector and screw tight.
WARNING: Danger from exhaust gas
▸
Install the sender/receiver unit on the duct of equipment with hazard potential (e.g.,
toxic, aggressive, explosive gases/dusts, danger to health, high pressure, high tem-
peratures) only when the equipment is at a standstill.
Type of purge air supply
Activity
MCU-P control unit
Push the DN 25 purge air hose onto the connection of the sender/
receiver unit and secure with a strap retainer.
External purge air unit
Push the DN 40 purge air hose with purge air reduction onto the
connection of the sender/receiver unit (
external purge air unit”, page 44
) and secure with a strap retainer.
Note
Use the purge air reduction fitted on the sender/receiver unit when
using the DHSP-T4xx sender/receiver unit up to 400°C.
Instrument air
Connect the instrument air hose to the thread of the adapter for
instrument air supply (
see “Adapter connection for instrument air
), then push this onto the connection on the sender/
receiver unit and secure with a strap retainer
For gas flow rates < 5 m/s we recommend to reduce the purge air flow by installa-
tion of an onsite pressure reducer to a value which approximately equals the gas
flow rate.
We recommend closing off the opening no longer required with the delivered cover
for sender/receiver units for an internal duct pressure up to +10 kPa. This helps to
prevent incorrect alignment to the flow direction when the device has to be fitted
again (e.g., during maintenance).