Hitachi RAM-36NP2A, Service Manual, Page: 34 / 87

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ECO SLEEP TIMER OPERATION
■ To set ECO SLEEP TIMER and ON TIMER
■
To cancel ECO SLEEP TIMER and ON TIMER operation
The air conditioner will be turned off by ECO SLEEP TIMER and turned on by ON TIMER.
1. Set the ON TIMER.
2. Press (SLEEP) button and set ECO SLEEP TIMER.
Direct the remote controller towards the indoor unit and press (CANCEL) button.
●
“ ”, “ ”, “ ”, “OFF”, off time, “ ”, number of hour, "ON" and ON TIMER set time disappear
from the remote controller display.
●
A beep sound emitted from indoor unit and the (TIMER) lamp on the indoor unit turns off.
●
ECO SLEEP TIMER and ON TIMER reservations are cancelled.
30 minutes after setting ECO SLEEP TIMER, outdoor fan speed will be reduced to lower the noise level and
to have comfort operation.
1 hour after setting ECO SLEEP TIMER, set temperature will be slightly shifted. Amount of temperature shifted
depends on type of air conditioner.
These automatic operation changes contribute to energy saving without losing comfort.
The level of energy consumption depends on outside temperature, room temperature, set temperature or air
conditioner type.
Cooling operation [diagram representation
for illustrative purpose only]
Example:
In this case, air conditioner will turn off in 2 hours (at 1:38) and it will be
turned on at 6:00 the next morning.
NOTE
●
If ECO SLEEP TIMER is set when OFF TIMER or ON/OFF TIMER has been set earlier, the ECO
SLEEP TIMER becomes effective instead of the OFF TIMER or ON/OFF TIMER.
Heating operation [diagram representation for
illustrative purpose only]
Temperature
30 minutes
Outdoor fan
speed reduce
Shift
temperature
1 hour
Temperature
30 minutes
Outdoor fan
speed reduce
Shift
temperature
1 hour