Galletti MYCOMFORT MEDIUM Manual Del Usuario página 23

MYCOMFORT MEDIUM
LOGICS
COOLING/HEATING SWITCHING
Four logics are present to select the thermostat operating modes according to
the controller configuration setting:
> Local: user choice made through the key
> Distance: depending on the Digital Input DI1 status (contact logic: see
configuration parameters of board)
> Depending on water temperature
Summer
NB: in case of water sensor alarm, the controller returns to the Local mode
temporarily.
> depending on air temperature
Winter
Where:
> Set is the temperature setting made by the arrows
> ZN is the neutral zone (parameter P03)
The thermostat operating mode is indicated on the display by the symbols
(cooling) and (heating)
VENTILATION
The controller can govern 3 or 4-speed indoor units
OPERATING SPEED SELECTION
Using Fan key it is possible to select the following speeds:
> Automatic ventilation: depending on the set temperature and the room
air temperature
- With 3-speed configurations
where:
1 = low speed
2 = medium speed
3 = maximum speed
COOLING
HEATING
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Winter
Water temp.
Summer
Air temp.
:
- With 4-speed configurations
where:
sm = extra-low speed
1 = low speed
2 = medium speed
3 = maximum speed
NB: in case of 4-speed configuration and valve, ventilation in heating mode is
shifted by 0.5°C to permit a natural convection phase
> NO SYMBOLS: Speed disabled: Can be selected only in heating mode
and with 4-speed configuration only. The indoor unit operates by natural
convection only.
> Extra low speed: can be selected only with 4-speed configuration.
It works at extra low speed only.
> Low speed
> Medium speed
> High speed
NB: In the case of fixed speed, the fan on/off logic will be equivalent to the
automatic logic.
WATER CONTROL
The ventilation operation depends on the system water temperature control.
Based on the operation mode, different heating or cooling thresholds will be
enabled.
NO
Upon a call of the thermostat, the absence of the enabling signal will be indicated on
the display by the flashing of the symbol representing the active mode (
The enabling signal is ignored:
> if the water sensor is not included (P04 = 0) or in alarm status because discon-
nected
> in the cooling mode with 4-pipe configurations
23
:
COOLING
Air temp.
HEATING
Air temp.
COOLING
NO
Water temp.
HEATING
Water temp.
FC66002605 - rev. 02
G B
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