Lauda ECO Silver E 4 S Operation Manual page 28

Assembly as immersion thermostat
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Place the bath vessel on a flat surface.
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The control head is already screwed to the bath bridge.
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In the rear part of the bath there are two slots present on the bath
edge. Guide the prongs of the bath bridge into the slots to the right
and left from the rear of the bath. Place the bath bridge fully onto the
bath bridge. Mount the bath bridge on the rear of the bath with the two
enclosed cross-head screws.
Ensure that the ventilation opening at the back of the control head is
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free.
Keep a distance of at least 20 cm free on all sides of the device.
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Important: Set the flow distribution to INT so that during operation as a
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bath thermostat (without external consumer) the flow is discharged
from the opening for the internal bath circulation.
When mounting the pump connection set, the outflow nozzle of the
pump set must be closed (use sealing plug) or connected to the return
nozzle by a hose.
For bath temperatures above 70 °C attach the sticker included in the
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supplied items to an easily visible point on the bath.
The control head must be removed when optionally fitting the pump
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connection set ( 6.2). To do this, release the two cross-head screws
and carefully take the control head out of the bath bridge.
ECO Silver 10/2019 i