Information On The Appliance; Standardised Output Data; Units Of Measurement; Safety - STIEBEL ELTRON LWZ 130 Bedienung Und Installation

OPERATION

Safety

f This symbol indicates that you have to do something. The ac- f
tion you need to take is described step by step.
1.3

Information on the appliance

Symbol Meaning
Outdoor air
Exhaust air
Extract air
Supply air
Filters
Electric preheating coil
Cross-countercurrent heat exchanger
Fan
1.4

Standardised output data

Information on determining and interpreting the specified stand-
ardised output data
Standard : EN 13141-7
The output data specifically mentioned in text, diagrams and
technical datasheets has been determined in line with the test
conditions described in the standard shown in the heading of
this chapter.
Generally, these standardised test conditions will not fully meet
the conditions found at the installation site of the system user.
Depending on the chosen test method and the extent to which
the selected method deviates from the conditions described in
the standard shown in the heading of this chapter, any deviations
can have a considerable impact. Additional factors that have an
influence on the test values are the measuring equipment, the
system configuration, the age of the system and the flow rates.
A confirmation of the specified output data can only be obtained
if the conditions applicable to the relevant test match those of the
standard shown in the heading of this chapter.
1.5

Units of measurement

Note
All measurements are given in mm unless stated oth-
erwise.
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2. Safety
2.1

Intended use

The appliance is designed as a mechanical ventilation unit with
central supply and extract air routing.
The appliance is intended for domestic use. It can be used safely
by untrained persons. The appliance can also be used in non-do-
mestic environments, e.g. in small businesses, as long as it is
used in the same way.
Any other use beyond that described shall be deemed inappro-
priate. Observation of these instructions and of the instructions
for any accessories used is also part of the correct use of this
appliance.
It is deemed inappropriate to:
- Use extract air containing grease, explosive gases, dust or
adhesive aerosols
- Connect cooker hoods or vented tumble dryers to the ventila-
tion system
Never adjust the settings of supply and extract air vents inside
the rooms. The supply and extract air valves have been adjusted
during commissioning.
2.2

General safety instructions

WARNING Injury
!
The appliance may be used by children over 8 years of
age and persons with reduced physical, sensory or men-
tal capabilities or a lack of experience and expertise,
provided that they are supervised or they have been
instructed on how to use the appliance safely and have
understood the potential risks. Children must never play
with the appliance. Children must never clean the ap-
pliance or perform user maintenance unless they are
supervised.
WARNING Injury
The discharged cold air can cause condensation to be
formed in the vicinity of the air discharge.
f Ensure that no risk of slipping due to wet conditions f
or ice formation occurs on adjacent footpaths and
driveways at low temperatures.
2.3

Test symbols

See type plate on the appliance.
3. Appliance description
The appliance draws in outdoor air with a fan. A second fan ex-
tracts stale air from the rooms containing odours or moisture,
e.g. kitchen, bathroom, WC. Extract air and outdoor air are routed
through separate air ducts. Extract air and outdoor air are filtered
by separate filters.
The extract air and outdoor air flow through a cross-countercur-
rent heat exchanger. The outdoor air absorbs heat taken from the
extract air. This enables a large proportion of thermal energy to
be recovered.
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