Multiple Installations - Spartherm XS 500 Installation And Operating Instructions Manual

sufficient combustion air must flow through the installation space. The surface
area of the installation room must be designed in such a way and be large
enough to ensure that e.g. open fireplaces with cassettes can be properly
operated.
There is no risk to the operation of fireplace cassettes when:

The system has safety devices that independently and reliably pre-
vent low pressure in the installation room.

The total combustion airflow volume required for the fireplace cas-
settes and the airflow volume of the ventilation systems do not cause
low pressure less than 0.04 mbar in the installation room used for the
open fireplace and any combined rooms providing ventilation.
Fireplace cassettes may not be installed in:

Stairwells, except in residential buildings with no more than two
apartments.

Hallways that are generally accessible

Garages

Rooms in which highly flammable or explosive materials or mixtures
are processed, stored or manufactured in such volumes that danger
may result from them exploding or becoming inflamed. Fireplace cas-
settes may not be installed in rooms or apartments that are vented
using ventilation systems or hot air heating systems with the aid of
fans, unless the safe operation of the fireplace cassette is guaran-
teed.
It is possible to have multiple installations connected to a chimney in
accordance with DIN 18160 because the fireplace cassettes are fitted with a
self-closing firebox door (A1). All of the fireplaces connected to a chimney
must also have been approved for multiple installations!
2.2.2

Multiple installations

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