Temperature Selector - Carrier Type B Installationsanweisung

Type B Electronic Control
Control

Temperature selector

Its purpose is to maintain the temperature at the desired level. The
reference value at the centre of the range is 20°C.
By turning the knob towards the symbol ( – ) the temperature is
reduced from the original setting (minimum value is 10°C).
By turning the knob towards the symbol ( + ), the temperature is
raised from the original setting (maximum value is 30°C).
Energy saving button
This button activates the energ
room temperature as follows: in heating, the selected temperature is
Light indicators
Blue LED
ON Indicates that the control is in cooling mode
Flashing Indicates that the control is in frost protection
mode ( ).
ON Indicates that the control is in heating mode ( ).
Flashing Indicates the presence of a fault (sensor failed or
not connected)
LED
ON Indicates that the control is in automatic mode ( ).
Blue LED + LED
Both ON Indicates that the control is in automatic mode
( ) - cooling mode
Red LED LED
Both ON Indicates that the control is in automatic mode
( ) - heating mode (
ON Indicates that the fan is operating at the selected
speed.
ON Indicates that the selection of the fan speed is
set automatically.
Red / Blue LED
Flashing Indicates that the control is in "Autotest" mode.
ON Indicates that the control is in Energy Saving mode.
Flashing External contact is open.
In open contact position, it allows to activate the frost protection
function
In open contact position, it permits the fan operation at the selected
In open contact position, it restricts the range of the temperature
selection knob according to the following limits:
Cooling: minimum selectable temperature: 23°C.
maximum selectable temperature: 21°C.
In open contact position, it permits to activate the fan periodically
In open contact position, it permits to activate the Booster Heating
function (additional heating).
NOTE:
GB - 4
.
)
Internal sensor:
This is used in all installations where the control is wall-mounted. To
board screenprint.
Remote sensor:
This is used on all installations with unitmounted control. It is
positioned on the return air, close to the fan. To activate it, close
screenprint.
X3
Internal sensor
Fig. A
The following alarm situations are indicated:
Possible causes:
Autotest
The autotest function is activated by holding the seasonal
changeover button pressed and at the same time pressing the "
" button three times within 1 second. In this way it is possible to
check the starting of all fan coils. The blue and red LEDs will begin
Each of the various units will be activated for 10 seconds in the
following sequence:
Low fan speed.
Medium fan speed.
High fan speed.
Motorized cold-water valve.
Motorized hot-water valve.
X3
Fig. B