Dantherm RCC 130 Bedienungsanleitung Seite 27

INSTALLATION AND SERVICE MANUAL FOR PROFESSIONALS
Product description: Special operating modes
The standard defrosting procedure without a fireplace in the house will trigger the
Standard defrosting
following steps:
procedure
• The speed of the supply air fan decreases slowly, and if necessary, until the minimum
• After 10 seconds, if necessary, the supply air fan switches off completely while the
• When the defrosting process is completed, the supply air fan starts at minimum speed
The defrosting process creates a negative pressure in the dwelling. Depending on the air
tightness of the dwelling, the negative pressure leads to the following:
• If the dwelling is not completely airtight, the "missing" supply air will penetrate through
• If the dwelling envelope is completely airtight and the "missing" supply air cannot enter
If there is a fireplace in the house, the alternative defrosting procedure is selected via the PC
Alternative
Tool and will trigger the following steps:
defrosting
procedure
• The speed of the supply air fan and exhaust air fan decreases slowly, and if necessary,
• After 10 seconds, if necessary, both fans are switched off completely for four hours.
• When the defrosting process is completed, both fans start at minimum speed and
Stopping the If no preheater is installed and the outside temperature is -13 °C for more than 4 minutes
and 25 seconds, the operation of the unit is switched off for 30 minutes. This is also carried
operation
out if the defrost mode is activated. After 30 minutes, the unit tries to start and the previous
operating mode will be activated.
INFO
If an electric preheating coil is installed, this safety shutdown procedure is automatically
deactivated.
speed is reached.
exhaust air fan continues to run to defrost the ice by means of warm air from the
interior rooms.
and increases its speed until the originally desired speed is reached.
small leaks in the dwelling envelope. In this case, the conditions for defrost mode are
favourable.
the dwelling via other ways, defrosting is not as efficient and is only performed in low/
freezing temperature conditions. NOTICE! Under such conditions, we strongly
recommend using a preheating coil.
until the minimum speed is reached.
increase their speed until the originally desired speed is reached.
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