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Operating manual
thermio™ eco ECOsave
This manual ensures safe and efficient use of the “thermio™ eco ECOsave” multi-tariff timer with boost
function (referred to as “device” in the following). This manual is a component of the device and must
remain accessible at all times for everyone who uses the device.
Everyone who uses the device must have read and understood this manual before commencing any
work. The basic prerequisite for working safely is compliance with all safety instructions and usage
instructions specified in this manual. Furthermore, the local accident prevention regulations and the
general safety regulations in the area in which the device is operated apply.
Illustrations in this manual are intended to provide a general understanding and may differ from the
actual design.
Copyright
This manual is copyright protected.
Handover of this manual to third parties, reproductions of any type and form – including excerpts – and
use and/or disclosure of the content without the written permission of Grässlin GmbH (referred to as
“manufacturer” in the following), except for internal purposes, is not permitted. Violations will result in
liability for compensation. The manufacturer reserves the right to assert additional claims.
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The copyright is held by the manufacturer.
© Grässlin GmbH
Bundesstr. 36
78112 St. Georgen
GERMANY
Declaration of conformity and download instructions
The declaration of conformity for the device described in this manual, a download of the manual, and
the technical data can be found at
www.graesslin.de
.
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Overview................................................................................................. 5
Safety..................................................................................................... 8
Installation............................................................................................ 12
Operation............................................................................................. 24
Setting the time.................................................................................................................. 24
Setting the on/off time........................................................................................................ 26
Setting a BOOST period....................................................................................................... 27
Removal and disposal......................................................................... 29
Removal............................................................................................................................. 29
Disposal.............................................................................................................................. 31
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Overview
Fig. 1: Front view
1 LED display for low-cost electricity tariff
2 Two-pole on/off switch
3 BOOST rotary switch and button
4 LED display for BOOST activity
5 Dial with tappets
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The “thermio™ eco ECOsave” multi-tariff timer switches the connected loads on or off in defined steps;
the smallest possible switching time is 15 minutes. This makes it possible to individually adjust heating
periods to times with lower cost electricity tariffs, for example; the standard local electricity tariffs are
set by default. The BOOST rotary switch and button can be used to switch on the device for a defined
period, independently of the set switching program. Four BOOST periods can be set: 15 min, 30 min,
60 min or 120 min.
Elements Function
LED display for low-cost electricity tariff
Indicates whether the connected load is supplied with low-cost
electricity.
On/off switch Activates/deactivates the settings (times for low-cost electricity
tariff, BOOST period):
ON – settings are active.
OFF – settings are deactivated, timer remains on.
BOOST rotary switch and button Short-term activation of the connected load.
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Elements Function
LED display for BOOST Indicates whether the BOOST period is activated.
Dial Settings for the switch-on/switch-off times.
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Safety
Safety instructions
Safety instructions are indicated in this manual by symbols. The safety instructions are introduced by
signal words that express the extent of the danger.
This combination of symbol and signal word indicates a potentially dangerous
situation that may result in death or severe injuries if the situation is not
WARNING!
avoided.
This combination of symbol and signal word indicates a potentially dangerous
situation that may result in material damage if the situation is not avoided.
NOTICE!
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This combination of symbol and signal word indicates potential dangers for
the environment.
ENVIRONMENT!
Tips and recommendations
This symbol highlights useful tips and recommendations, as well as information for efficient and fault-free operation.
Intended use
The “thermio™ eco ECOsave” multi-tariff timer is used exclusively for switching immersion heaters
(individual, twin or dual immersion heaters) with a resistance load of up to 3 kW. The connected devices
must comply with the limits specified in the technical data.
The intended use also includes compliance with all information specified in this manual.
Any use other than the intended use is considered incorrect use. The legal warranty is voided by any
interference with, or modifications to, the device.
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Damage to the timer due to incorrect installation position!
If an unsuitable installation position is selected, the timer may be damaged.
NOTICE!
− Only use the timer in dry rooms and do not install close to devices with
inductive discharge (motors, transformers etc.).
Residual risks
The device is state-of-the art and designed in accordance with current safety requirements. However,
residual risks remain that require caution when using the device. The residual risks, and the conduct
and measures they require, are listed in the following.
Danger to life due to electric shock!
Improper assembly and installation of the device may result in life-threat-
WARNING!
ening electrical voltages.
− Have assembly and connection performed by a qualified electrician only.
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