Hitachi RAC-18SX8 Service Manual page 83

Cooling, sleep
０ ． ５ ｈ ｒ １ ｈ ｒ
Set to 9 hours
Sleep key
Operation
monitor lamp
Remote control
"SLEEP" lit
Timer lamp lit
HI
MED
Indoor unit
LOW
See "Basic mode."
SILENT
Sleep
Ｌ ｏ Ｌ ｏ
Outdoor unit
Shut
Upper and
Horizontal
lower louvers
Facing
downwards
Notes: (1) Setting the sleep key will limit the compressor's maximum speed to CSZMAX and the indoor unit to
"sleep LOW" (FCSOY).
(2) Changing fan speed mode will not change the indoor unit speed.
(3) Changing operation mode during sleep operation will clear the temperature setting, time,
and all other settings and make a fresh start.
(4) Stopping the product midway will retain the temperature setting which was effective at the time of
stoppage and continues to count the time.
(5) Changing the time setting midway will clear the temperature setting, time, and all other settings
and make a fresh start.
(6) Canceling with the cancel key and sleep key will clear everything.
(7) Turning off the thermometer during sleep operation will stop the indoor unit.
(8) The temperature setting is not shifted with time elapsed.
Notes:
1. For the constants expressed in uppercase alphabet letters in the figure,
see the data in PWRITE-ZU.
Remote control
"POWERFUL" lit
Temperature setting
９ ｈ ｒ
Notes:
Ｓ
Low-temperature
defrost signal
Indoor unit
Outdoor unit
Latch-type
reversing valve
As-desired "powerful" operation
Ｏ Ｎ
Ｏ Ｆ Ｆ
６ ０'
PWSFTC
(1) Pressing the as-desired button will reduce the temperature setting by PWSFTC.
(2) The compressor's maximum speed during a powerful operation will be reset 60 minutes later,
and the lower limit speed is increased for 180 minutes after being set to powerful operation or for
180 minutes after the thermometer is reset.
(3) The thermometer is forcibly turned on for 20 minutes after the powerful operation is reset.
(4) Pressing the as-desired button during powerful operation will cancel the powerful operation.
(5) If the sleep timer is set during powerful operation, the powerful operation will be canceled.
(6) If the fan speed of the remote control is set to AUTO or "HI," the compressor's
maximum speed during powerful operation will be set to CMAX2 and the lower limit speed
CKYMIN_PW.
(7) If the fan speed of the remote control is set to "MED", the compressor's maximum speed
during powerful operation will be CJKMAX_PW and the lower limit speed CJKMIN_PW.
(8) If the fan speed of the remote control is set to "LOW", the compressor's maximum speed
during powerful operation will be set to CBEMAX_PW. The lower limit speed is CBEMIN_PW.
(9) If the fan speed of the remote control is set to "SILENT", the compressor's maximum speed during
powerful operation will be CSZMAX_PW. The lower limit speed is CSZMIN_PW.
Room low-temperature defrost
Room heat exchanger temperature
６ ℃
２ ℃
HI
See "Basic mode."
MED
LOW
SILENT
１ ５"
Ｌ ｏ
Balancing period
See "Basic mode."
Ｌ ｏ
１ "
１ '
CMINHI
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