STIEBEL ELTRON LWZ 404 SOL Installation Manual

ENGLISH
www.stiebel-eltron.com LWZ304-404 SOL | 3
SPECIAL INFORMATION | INSTALLATION
General information
SPECIAL INFORMATION
- Observe all applicable national and regional reg-
ulations and instructions during installation.
- The appliance is not approved for outdoor
installation.
- Observe the requirements concerning the instal-
lation room (see chapter "Specification/ Data
table").
- Observe minimum clearances (see "Preparations/
Installation site").
- The connection to the power supply must be in
the form of a permanent connection. Ensure the
appliance can be separated from the power sup-
ply by an isolator that disconnects all poles with
at least 3mm contact separation.
- Observe the MCB/fuse protection required for
the appliance (see chapter "Specification/ Data
table").
- Drain the appliance as described in chapter
"Shutdown".
- Install a type-tested safety valve in the cold water
supply line.
- The maximum pressure in the cold water supply
line must be at least 20% below the response
pressure of the safety valve. If the maximum
pressure in the cold water supply line is higher,
install a pressure reducing valve.
- Size the drain so that water can drain off unim-
peded when the safety valve is fully opened.
- Fit the discharge pipe of the safety valve with
a constant downward slope and in a room free
from the risk of frost.
- The safety valve discharge aperture must remain
open to atmosphere.
INSTALLATION
1. General information
These instructions are intended for qualified contractors.
1.1 Relevant documents
 296066 LWZ 304-404 SOL operation
1.2 Standardised output data
Explanations to determine and interpret the specified standardised
output data
1.2.1 Standard: EN 13141-7, EN 14511, EN 16147
The output data specifically mentioned in text, diagrams and
technical datasheets has been calculated according to the test
conditions of the standard shown in the heading of this section.
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
this method deviates from the conditions defined in the norm
shown in the heading of this section, any deviations can have a
considerable impact.
Further 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 test conducted for this purpose is also performed in ac-
cordance with the conditions defined in the norm shown in the
heading of this section.
2. Safety
Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the appliance.
2.1 General safety instructions
We guarantee trouble-free function and operational reliability only
if original accessories and spare parts intended for the appliance
are used.
2.1.1 Electrical installation
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with national and regional regulations.
WARNING Electrocution
Isolate the appliance from the power supply prior to
commencing any work in the interior of the appliance.

STIEBEL ELTRON LWZ 404 SOL Specifications

General

Brand	STIEBEL ELTRON
Model	LWZ 404 SOL
Category	Fan
Language	English