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12.2.10 BLOCK CRANKCASE HEATER AT HIGH
OUTDOOR TEMPERATURE
The crankcase temperature is monitored by temperature
sensor T12. The crankcase heating inside the
compressor stops if the outside temperature exceeds
the selected value. The crankcase heater is active when
the compressor is idle and the outside temperature falls
below the selected value.
Set the temperature value:
B Set the required value by turning the menu dial.
B Select Save.
Factory setting = 10 °C. Minimum = 5 °C and maximum =
20 °C.
12.2.11 ANTI-JAMMING MODE TIME
Pumps G1 and G2, the 3-way valve VXV and the fan start
at the set time for one minute following one day idle.
Factory setting = 2, which represents 02:00 h. Minimum
= 0, maximum = 23
12.2.12 ACTIVATION TIME ALARM BUZZER
Set the delay between an alarm occurring and the alarm
signal becoming audible. 1 min is set at the factory.
Maximum value = 10 min.
12.2.13 T1 SET POINT VALUE MAXIMUM
Fig. 40
This value is set to a maximum = 80 °C in the delivered
condition. Set the value correspondingly lower if only an
underfloor heating system is installed.
12.2.14 DISPLAY
In this menu, you can select the Contrast and the
brightness of the display. In the delivered condition,
Contrast is set to 5 and brightness to 10.
12.2.15 ELECTRICAL CONNECTION
Fig. 41
B Select the heat pump voltage, 230V or 400V.
6 720 641 467 (2010/01)
For latest prices and delivery to your door visit MyTub Ltd - www.mytub.co.uk - info@mytub.co.uk 0844 556 1818
12.2.16 HEAT PUMP SIZE
Fig. 42
Set the heat pump output. For a heat pump output
between 6 and 11 kW:
B Select 6-11kW
For an output between 12 and 17 kW:
B Select 12-17kW
12.2.17 ALARM DURING START-UP
An alarm may be triggered during start-up if a
temperature is captured in the condenser that is too
low. The reason for this is that water has been filled in
that is too cold (lower than +5 °C).
6 720 641 467-10.1I
Fig. 43 Sight glass
Check the sight glass in the heat pump. Bubbles may be
visible in the sight glass for a few minutes after start-up.
No bubbles should form after a few minutes. If bubbles
continue to form, this is a fault indicating a lack of
refrigerant. Under certain operating conditions, bubbles
can form even if there is no refrigerant shortage.
12.3 OTHER SETTINGS
Scroll through the menu points for heating and DHW
settings in sequence under Menu and Advanced menu.
If required, adjust the settings of these menu points as
required for the local system.
Menu Lowest outdoor temperature enables the lowest
outside temperature to be set to between -35 and 0 °C;
the factory setting is -20 °C. The selected temperature
6 720 641 467-11.1I
influences the r.h. value of the heating curve. The
heating curve may need to be adjusted if Lowest
outdoor temperature was changed.
Greensource 6-9,5 kW = 6-11kW
COMMISSIONING
6 720 641 467-12.1I
6 720 614 056-32.1I
35
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