Hitachi Summit RAC-18YH6, Service Manual, Page: 85 / 96

– 83 –
HOW TO CHANGE THE SHIFT VALUE for SETTING TEMPERATURE
1. While pressing ON-Timer button, press RESET button at one time.
Stop pressing RESET button only and make sure that all marks on the LCD display are indicated,
then stop pressing the ON-Timer button. (Enters "Shift Value Change Mode".)
2. Press FUNCTION selector button to select FAN mode.
The shift value for setting temperature of COOLING or HEATING operation can be changed with
the remote controller. (This procedure should be done only by service personnel.)
It is possible to reduce or increase in 3 degrees from the initial setting value.
(SHIFTC and SHIFTW : ref. page 24)
PROCEDURE
3. Press the START/STOP button. (The FAN operation will be started.)
Please check the transmission sign and a beep.
COOLING is indicated.
HEATING is indicated.
NOTE :
(1) The indication of the changed shift value and symbol of COOLING or HEATING will disappear
after 10 seconds.
(2) The changed shift value will remain unchanged after turned off the power.
(3) When "0" is indicated, the shift value is at the initial setting.
5. Press START/STOP button to complete the shift value changing procedure.
PROCEDURE 1
PROCEDURE 2
RESET button
ON Timer button
FUNCTION selector
4. Select the following FAN speed to choose required operation mode to change.
- To change the shift value of COOLING operation, select HI or MED of FAN speed.
- To change the shift value of HEATING operation, select LOW or SILENT of FAN speed.
Then Press the TEMPERATURE button to change the shift value.
(The shift value is changed with a beep.)
Reduce 1 deg.
from the value The initial
setting value Increase 3 deg.
from the value Reduce 2 deg.
from the value Reduce 3 deg.
from the value
RAS_AW_083-093e 2008.03.07, 17:42 83