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WWW.stieBel-eltron.com
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7
operation | installation
general information
operation
1. General information
The chapter “Operation“ is intended for appliance users and quali-
fied contractors.
The chapter entitled “Installation“ is intended for contractors.
Note
Read these instructions carefully before using the appli-
ance and retain them for future reference.
Pass on the instructions to a new user if required.
1.1 Markings in this documentation
Note
Notes are bordered by horizontal lines above and below
the text. General information is identified by the symbol
shown on the left.
f
Read these texts carefully.
f
This symbol indicates that you have to do something. The ac-
tion you need to take is described step by step.
1.2 Units of measurement
Note
All measurements are given in mm unless stated oth-
erwise.
2. Safety
2.1 Intended use
This product is designed to protect against excessively high pres-
sure at the sealed unvented (pressure-tested) cylinders.
Any other use beyond that described shall be deemed inappropri-
ate. Observation of these instructions and of instructions for any
accessories used is also part of the correct use of this appliance.
3. Maintenance
Note
During the heating process, expansion water will drip
from the safety valve.
If water continues to drip when heating is completed,
please inform your heating contractor.
f
Regularly activate the safety valve to prevent it from becom-
ing blocked by limescale deposits.
installation
4. Safety
Only qualified contractors should carry out installation, commis-
sioning as well as maintenance and repair of the product.
4.1 General safety information
We guarantee trouble-free operation and operational reliability
only if the original accessories and spare parts intended for the
appliance are used.
4.2 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
5. Product description
The safety assembly comprises a shut-off valve and non-return
valve with test facility, pressure gauge connection and diaphragm
safety valve as well as a tundish with non-return valve. The dia-
phragm safety valve with wear-resistant stainless steel seat is
easy to replace and can be rotated, thanks to a threaded fitting,
360 degrees to enable it to be matched to different installation
conditions.
5.1 Standard delivery
The following are delivered with the appliance:
- Tundish
