Hitachi RCI Service Manual page 218

6 Optional functions
Everyone has a different perception of coolness, heat and air flow and, therefore, this issue should be discussed
with the client and the unit set according to the results of the conversation.
Settings
00
01
b3 – Forced compressor operation for at least three minutes
This function is used to protect the compressor, preventing it from being started or stopped for periods of less than three
minutes. On enabling this function, the mode enabling operations for a minimum of 3 minutes is added.
N O T E
In the case of SET-FREE units, this function is standard, even when the setting is not available.
The compressor stops immediately when the safety device is activated or ON/OFF is pressed.
To cancel this function, see C7 – Cancellation of the forced compressor operation for at least three minutes.
When this function is cancelled, the mode enabling operations for a minimum of 3 minutes remains available.
Settings
00
01
b4 – Pre-determined filter cleaning period change
This function is used to modify the period during which the remote control indicates that the air filter must be replaced. The
filter cleaning period can be changed depending on the condition of the filter, as shown in the table below:
N O T E
The remaining number of hours before cleaning the filter is factory-set for all indoor unit models.
Approx. 100 hours
Built-in 4-way type
LCD screen on the
remote control.
(*)
for RPK units, the factory setting is 200 hours.
b5 – Operation mode interlock
This function is used when the operating mode does not have to be changed. Once the unit operating mode has been
selected, this function prevents it from being modified from the remote control.
Settings
00
01
206
SMGB0063 rev. 1 - 10/2010
Approx. 1200 hours
Period modified Period modified
01 b4 02 b4 or 00 b4
Condition setting
Not available
Available
Condition setting
Not available
Available
Filter indication period
Approx. 2500 hours
Factory setting
(*)
03 ba
Condition setting
Not available
Available
No indication
Period modified
04 b4