Hitachi RCI Service Manual page 219

6 Optional functions
b6 – Temperature setting lock
This function is used when the temperature setting does not have to be changed. Once the temperature on the unit has
been selected, this function prevents it from being modified from the remote control.
Settings
00
01
b7 – Cooling operation interlock
This function is available to use refrigeration mode only and to prevent heating mode from being enabled. When this function
is selected, heating operation and the automatic COOL/HEAT operation are cancelled.
Settings
00
01
b8 – Automatic cooling/ heating operation
This function allows for cooling mode to be changed automatically to heating mode (for all units of the same refrigerant
cycle).
N O T E
This function is not valid when the outdoor unit is an exclusive cooling model or when the function to set operations
as an exclusive cooling unit is enabled.
Settings
00
01
b9 – Fan speed interlock
Once the fan speed on the unit has been selected, this function prevents it from being modified from the remote control.
N O T E
When this function is enabled, the fan speed cannot be changed using the remote control.
Settings
00
01
bA – Not used
bb – Cooling temperature offset
This function is used to obtain longer cooling periods. When this function is enabled, the air conditioning system is switched
on/off with the temperature condition below the temperature indicated on the remote control.
N O T E
The lower set temperature limit after offset is 19 °C.
Setting condition
00 (Standard)
01
02
207
SMGB0063 rev. 1 - 10/2010
Condition setting
Not available
Available
Condition setting
Not available
Available
Condition setting
Not available
Available
Condition setting
Not available
Available
Control temperature
Standard setting. No offset
Remote control set temperature (indicated value) -1 °C
Remote control set temperature (indicated value) -2 °C
6