4
Optima 155
Press (arrow up) and (arrow down) simultaneously for
app.10 seconds in order to enter the operating menu.
To show the choosen value press . The display will
now show the first point E0 in the operating menu. The
operating menu will close and return to the main menu if
a button has not been pressed for 15 sec.
If you wish to scroll through the operating menu, it may
be done by pressing (arrow up) or (arrow down). The
value of a point is shown when pressing (temp button).
The value may be changed with the (arrow up) or (arrow
down) while simultaneously pressing (temp button). The
control will return to standard indication if no buttons have
been pressed for app. 15 seconds.
1.3 Operating menu
E0: Factory default
If the system does not function as expected, even though
the setpoints have been adjusted, and the cause is
impossible to locate, it is recommended to note down the
settings in the schedule. Thereafter, the setpoint must be
adjusted to 1 and wait until the control returns to standard
settings. Now all the set points have been changed to
the factory default. It is now possible to start all over and
adjust the set points.
Factory setting: 0
E2: T9 set temperature
This sensor is able to control the relay R9, which will
be activated when the setpoint E2 is reached. The R9
relay can be used to control the three way damper of the
exhaust air. This three way damper can supply the living
area with cool air, if the room temperature reaches the
setpoint E2. For this function you will need a separate
sensor, which is not a within the standard delievering.
E2 can be set between 0-30°C
Factory setting: 21°C
E8: Disinfection function ON/OFF
By setting the point to 1, the electric heating element will
provide 65°C hot water once a week in order to disinfect
the tank (legionella protection function), also although E2
is set to 0.
Factory setting: 0
E9: Operating in cold surroundings ON/OFF
If the setting is 0 the heat pump will run as long as there
is a need of heat.
Using the heat pump when taking the admission air
from e.g. the cellar, there is an option of making the
compressor stop in case the room is getting to cold.
Instead, the electrical heat element will heat the water.
The function is activated when the value has been set to
0.
It is also possible to automatically let the electrical heat
element help heating the water when the intake air
temperature is below the temperature set in E10.
Factory setting: 0
E10: Operating in cold surroundings
When activating the function menu E9, the temperature
at which the compressor will stop or the electrical heat
element will assist, may be set. The temperature is
adjustable between -5-10°C.
Factory setting: 0°C
E13: Under floor min. Temp (Only Vanvex RS)
With this setting the minimum tank temperature is set,
which will allow heat to be delivered to the under floor
heating circuit. The temperature is adjustable between
20-50 °C.
Factory setting: 35
E15: Hygrostat / stop unit
If the value is 0 the speed of the fans will change to 3
when the relative humidity is above the preset value of
the hygrostat. If the value is 1 the unit will stop when the
clips 25 and 26 are short circuiting.
Factory setting: 0
E16: Min. air flow
This value shows the minimum speed at which the fan is
permitted to run when operating. Notice that the cooling
system may be overloaded, resulting in a drop out of the
high pressure switch, if the value has been set too high.
The value should not be chosen higher than necessary
in order to secure a minimal airflow through the cooling
surface. Set between 0-100%.
Factory setting: 0%
E17: Forced ON
At 3rd speed there is an option of making the unit step
down automatically to the 2nd speed after a number of
hours by adjusting to set 1. If the set point is adjusted to
0, the unit will run at the 3rd speed until a lower speed
has been selected manually.
Factory setting: 0
E18: Hours
If automatic step-down at 3rd speed is in use, the number
of hours at which the unit is to operate with forced air,
may be adjusted here. The set point may be adjusted
between 1 - 10 hours.
Factory setting: 3
Содержание Optima 155
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