
DF MANUAL INTRODUCTION
Manual version 3.0 (21-11-2017) en-7
en
1.3.5 Modifications and changes
Without the approval of Biddle, no changes or modifications
may be made to the unit that could adversely affect safety. The
CE declaration is no longer valid if the unit has been modified
or changed in any way.
1.3.6 Components and accessories
For all models:
• control panel (supplied separately – can be used for multi-
ple units)
• control cable – Type RJ4 (supplied separately)
•optional:
door contact switch (supplied separately)
For water-heated models (Type W):
•optional:
double-sided valve for water-side control (sold separately)
nThe unit is fitted with a three-way valve as standard.
For recessed models (Type R):
• telescopic discharge duct (supplied)
•optional:
inlet grille for installation in alcove (supplied separately)
1.4 Restrictions on use
1.4.1 Field of application
• The unit may only be used indoors.
• The unit is suitable only for dry and non-dusty environ-
ments.
• The unit may not be used in an environment in which cor-
rosive or chemically aggressive gases or vapours are pre-
sent.
• The unit is suitable for ambient temperatures from 0°C to
40°C.
These restrictions also apply to the control unit and/or the
control panel.