Hitachi RCI Service Manual page 223

6 Optional functions
d5 – Heating air temperature drop prevention.
This function prevents a drop in the air temperature by decreasing the fan speed, apart from the settings on the remote
control.
Settings
00
01
Indications on the remote
control
High
Medium
Low
d6 – Room temperature control for energy saving
This function is useful when energy is to be saved automatically. The outdoor air temperature thermistor detects that the
air conditioning charge is low, in line with the outdoor temperature.
Settings
00
01
d7 – Not used
Settings
00-07
E1 – Econofresh outdoor cooling mode / KPI ventilation mode
This function is used to set the ventilation mode of the ventilation unit with energy / heat recovery
KPI: This function is useful to set the heat exchanger ventilation mode. The setting condition and ventilation mode are
shown below:
Setting
00
01
02 Ventilation bypass (without heat exchanger)
Econofresh kit: this function allows for the outdoor air damper to be opened. The setting condition is shown below:
Setting
00
01/02
E2 – Increased air supply volume
This function is useful when the air supply volume is to be increased using the high-speed, one-way valve on the fan motor
during total heat exchanger operations. This increases the pressure in the room with greatest air volume in relation to
adjoining rooms and prevents the entry of contaminated air or unpleasant smells.
211
SMGB0063 rev. 1 - 10/2010
Not used. Used as setting for conditions 00
Setting condition
Ventilation mode
Automatic ventilation
Ventilation with heat exchanger
Outdoor cooling mode (All-Fresh)
Condition setting
Not available
Available
Actual fan speed
Medium
Low
Low
Condition setting
Not available
Available
Condition setting
Effective ventilation mode selection (ventilation
with total heat exchanger or ventilation bypass)
to save energy by detecting the difference in
temperature between indoors and outdoors.
Heat is exchanged continuously when the heat
exchanger is started.
Heat is not continuously exchanged when the
heat exchanger is started.
Setting condition
Not available
Contents
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