Hitachi RAS-5101CH Servicehandbuch Seite 7

INDOOR UNIT CONTROL PANEL
@ Press the mark "PUSH" on the left and right
sides of the suction grille to open it.
@ After the work is finished, slightly lift the suction
grille and then close it.
Press the mark "PUSH" on the left and right
sides of the suction grille to fix it securely.
@ TEMPORARY SWITCH
Use this switch to start and stop when the
remote controller does not work. Normally do
not use this button.
@ POWER SWITCH
INDOOR UNIT INDICATORS
OPERATION lamp
This lamp lights during operation.
HOT KEEP famp
This lamp lights in the following cases during heating.
While this is lit, heated air will not come out of the
cooling unit.
(1) During preheating
For about 2-3 minutes after start up.
(2) During defrosting
Defrosting will be performed about once an hour
when frost forms on the heat exchanger of the con-
densing unit, for 5-10 minutes each time.
(3) When the preset temperature has been reached.
Heating operation will stop when the room tempera-
ture has risen to the preset value.
(4) During AUTO FRESH defrosting.
FILTER lamp
When the device is operated for a total of about 100
hours, the FILTER lamp lights to indicate that it is the
This lamp lights when —_ FILTER button on the remote controller is pressed.
the timer is working.