Optional Functions - Hitachi PC-ARH E Installations- Und Betriebshandbuch

6. OPTIONAL FUNCTION
1. Change to Optional Setting mode
Press "MODE" and "FAN SPEED" switches at the same time for
more than three seconds when the air conditioner is stopped.
The display will change as shown in the fi gure when the
optional setting mode is activated.
2. Change to setting items and options
Press "V TEMP" switch to change setting items when the setting
items are displayed.
To change setting options, press "TEMP Λ" switch.
See the following table for the setting items and options.
3 Cancellation the Function Selection mode
To return to the normal mode from 2), press "MODE" and "FAN
SPEED" switches at the same time.
OPTIONAL SETTING ITEMS

Code
Cancellation Heating Temperature Setting
b1
Adjustment
b8 Automatic Cooling/Heating
C5 Indoor Fan increasing
C8 Remote Control Thermostat *2
F2 Remote Control Main-Sub Setting
FC Minimum Cooling Temperature setting *3
Fd Maximum Heating Temperature setting *4
H1 Maintenance Alarm
H2 No indication of Auto Control
H3 Operation Mode Change Restriction *5
Ventilation Change over
H4
(Total heat exchanger only)
H5 Central Control available after forced stoppage
*1. Some indoor units do not accept "02" setting.
*2. If installing to the night table, set at "00".
*3. Applicable to "FAN", "COOL" and "DRY" modes
*4. Applicable to "HEAT" operation mode
*5. "01" is available only when one remote controller is used. Do not use this setting when two (main-sub) controllers are used.

ATTENTION
When multiple indoor units are connected, the same settings will apply to all the indoor units.
To change settings, wait more than three minutes after power ON.
Some indoor and outdoor units do not accept certain settings or do not have functions to correspond to the setting activated. Check
beforehand which setting is available.
Fill in the selected option in the "Setting" column in the table.
Item
00: Normal (Temp setting +4°C)
01: Cancelled (Temp setting)
02: Temp setting +2ºC *1
00: Not available
01: Available
00: Not available
01: High 1
02: High 2
00: Not available
01: Change from indoor inlet thermistor to remote control thermostat
02: Control by average value of indoor inlet thermistor and remote
00: Main
00: Sub
00: Normal temperature range
01-10: Cooling lower limit +1ºC - +10ºC
00: Normal temperature range
01-10: Heating higher limit -1ºC - 10ºC
00: Show
01: Hide
00: Show
01: Not show
00: Operation mode change not available (Hide operation mode)
01: Operation mode set by central control equipment + "FAN" mode
02: Unlimited operation
00: Air conditioning only
01: Ventilation only
02: Air conditioning + Ventilation
00: Not available
01: Available

Optional Functions

Press "MODE" and "FAN SPEED"
switches at the same time for more
than three seconds.
 Press "TEMP Λ" switch
to change among
setting options.
Option
control thermostat
(Factory setting)
13
 Press "V TEMP" switch
to select setting item.
Setting