Operation Lock - Hitachi PC-ARFP1E Installations- Und Betriebshandbuch

OPERATION METHOD
4.8 AUTOMATIC COOLING/HEATING OPERATION
Automatically and according the indoor temperature the mode
changes as follow:
When mode is in cooling, the mode is change to heating if the
indoor temperature is the "heating setpoint" -1ºC.
When mode is in heating, the mode is changed to cooling if the
indoor temperature is the "cooling setpoint" +1ºC.
4.9 AUTOMATIC COOLING/HEATING OPERATION DUAL SETPOINT
This function is available in standard air-to-air indoor units
and is used to switch between heating and cooling operation
automatically depending on a cooling set point and a heating set
point (dual set point).
When mode is in cooling, the mode is change to heating if the
indoor temperature is the "heating setpoint" - temperature set in
optional function r2.
When mode is in heating, the mode is changed to cooling if the
indoor temperature is the "cooling setpoint" + temperature set in
optional function r2.

4.10 OPERATION LOCK

• This function is used to lock the setting from the remote
control switch.
• The following functions are locked:
a. Operation Mode (MODE)
b. Temperature Setting (TEMP)
c. Fan Speed (SPEED)
d. Swing Louver Direction (LOUV)
1 Setting of the operation lock, press " " and "
help) simultaneously for 3 seconds. The icon of " " will be
turned ON. Even when " " or " " is pressed, locked setting
items will be skipped.
OK
/ ?
6 PMML0496 rev.1 - 12/2020
/ " (return /
?
Meeting Room
A/C
MODE SPEED TEMP
COOL
SPEED ADJ
A/C Meeting Room
MODE SPEED LOUV.
AUTO
SPEED
?
N O T E
Optional function setting (b8=01) is needed for the use of automatic
cooling/heating operation.
A/C Meeting Room
MODE SPEED
AUTO
LOUV.
?
N O T E
Optional function setting (r1=01) is needed for the use of automatic
cooling/heating operation and changing AUTO COOL/HEAT temperature.
2 Cancellation of the operation lock, press " " and "
/ help) simultaneously for 3 seconds. " " will be turned OFF,
and operation lock will be cancelled.
OK
/ ?
?
N O T E
• Every time pressing " " and "
3 seconds, the operation lock state will be switched alternately to
locked/unlocked.
• In order to avoid the lock Set the optional functions to unlock
individually the mode selection (F8=00), temperature setting (F9=00),
speed selection (FA=00) or swing louver operation (Fb=00).
• Set the corresponding optional function, "mode(F8=00)", "temperature
setting (F9=00)", "speed selection (FA=00)" or "swing louver operation
(Fb=00)" in order to avoid the lock of any of them.
• In order to avoid the lock of any function set to "00" the corresponding
optional function:
- (F8=00) for the mode selection
- (F9=00) for temperature setting
- (FA=00) for the speed selection
- (Fb=00) for the swing louver operation
TEMP
Adj.
TEMP
LOUV.
COOL HEAT
HEAT TEMP Adj.
/
?
A/C Meeting Room
MODE SPEED TEMP
COOL
SPEED ADJ
/ " (return / help) simultaneously for ?
" (return