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COMMISSIONING
12.2.4 MANUAL OPERATION?
Before commissioning the heating installation, all
functions can be checked, by manually starting and
stopping them.
Fig. 37
B Select Yes to activate.
The function must be deactivated
afterwards by selecting No on Manual
operation?.
12.2.5 ADDITIONAL HEAT OPTIONS
Fig. 38
To block the start of compressor and fan:
B Select Additional heat only?.
The function Block additional heat? blocks the
additional heat function, but not during alarm mode, hot
water peak, extra hot water or operation with additional
heat only.
Block additional heat? normally this is not
recommended.
12.2.6 LANGUAGE
To change the language to one other than that selected
when the heat pump was first started:
B Select Language.
The selected language automatically becomes the
factory setting and is therefore not changed when
Return to factory settings.
12.2.7 CORRECT SENSOR
All sensors can be corrected a maximum of 5 °C up or
down. The value is given directly in °C. Sensors should
only be corrected in exceptional cases.
34
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12.2.8 FAN DEFROST INTERVAL AND FAN DEFROST
Hot air is blown through the fan to defrost it. If the fan is
at risk of freezing up, change the factory setting.
The fan defrost function is active if the value under menu
point Fan defrost interval lies between 1 and 10
(standard setting = 1).
With value 1 the fan will be defrosted each time defrost
is activated. With value 3 the fan will be defrosted every
6 720 641 467-07.1I
third time defrost is activated.
Select 0 under Fan defrost interval if you want to
disable this function.
B Select the duration of fan defrost under menu point
The temperature limit for fan defrost is set to -5 °C.
Below this temperature, the fan is not defrosted. You
can change this value in Advanced menu under Fan
defrost.
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12.2.9 FORCED DEFROST
The Forced defrost function is used to ignore all defrost
timer and temperature settings. However, the
temperature T11 (evaporator refrigerant temperature)
must be below the selected defrost stop temperature.
Fig. 39
Activate Forced defrost:
B In the display, select Yes.
B Select Save.
TIME
"Fan defrost time". Minimum = 1 minute and maximum
= 5 minutes. Factory setting = 1 minute.
The compressor stops for up to 60 s when
defrosting is activated or deactivated.
6 720 641 467 (2010/01)
6 720 641 467-09.1I
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