Fujitsu Waterstage DHW Series, Operating Instructions Manual

Page: 19 / 21

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Telephone modem* (if Regulation
extension kit AVS 55)
It is possible to command the switching of the heating
mode to the "freeze" protection mode / reduced
(and vise versa) on the heat pump using a modem
contact .
The telephone command switches the current heat
pump settings to "freeze" protection mode / reduced
(and vise versa) . In accordance with the setting, any
temperature requests from the heating circuits and the
DHW are ignored or activated .
The "freeze" protection mode / reduced must not be
selected on the heat pump and/or the remote control .
See with your installer .
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Configuring room control unit*
(option)
In the event that the room control unit (see page 6 ),
is used, on start-up, after initialising for around
3 minutes, the language needs setting:
-Press OK .
-Choose menu "Operator section" .
-Choose language "Language"
English .
Waterstage / OPERATING INSTRUCTIONS / 2010 - EN