Power Selection Mode; Silent Operation - Toshiba RAS-25N4KVRG-ND Service Manual

Item Operation flow and applicable data,etc
To automatically control room temperature to
17. POWER
save energy (except in DRY and FAN ONLY
Selection
Mode
mode)
− Power Selection 75% is 75% of maximum
current.
− Power Selection 50% is 50% of rate maximum
current.
1. Press MENU button for enter menu setting
and press TEMP. button to select
POWER-SEL.
2. Enter POWER-SEL setting by press MENU
button again.
3. Select POWER-SEL level by press TEMP.
button.
4. Confirm POWER-SEL level by press MENU
button.
5. Leave from menu setting display by select
EXIT.
POWER-SELECTION AND SILENT OPERATION
Silent 1:
18. Silent
Operation Cooling/heating capacity is limited maximum for
70% of rated. Only compressor speed is limited.
Silent 2:
CDU sound level is limited for lowest CDU sound
level. Compressor and CDU fan speed are limited.
1. Press MENU button for enter menu
selection. During triangle mark blink can
select menu by press TEMP. button.
2. Enter SILENT set by press MENU button.
3. Select SILENT operation by press TEMP.
button.
4. Confirm selected feature by press MENU
button again.
5. Leave from menu setting display by select
EXIT.
Silent Operation description
Model
RAS-25J2AVSG-ND1
RAS-35J2AVSG-ND1
100% 75% 50%
Silent
Compressor
Operation
frequncy
(rps)
32.4
Silent1
20.4
Silent2
48.6
Silent1
28.8
Silent2
POWER-SELECTION AND SILENT OPERATION
SILENT#1 SILENT#2
1. Purpose
The function is used when its circuit
breaker is shared with other electrical
appliances. It limits the maximum
current/ power consumption to 100%,
75% or 50%.
The lower the percentage, the higher
the saving and also the longer the
compressor lifetime.
2. Description
When the level is selected, Power-SEL
level flashes on LCD display for 3
seconds. In case of 75% and 50%
level, number "75" or "50" also flashes
for 2 seconds.
Note : Due to the reason that POWER
SELECT FUNCTION limits the
maximum current, inadequate
capacity may occur.
This function is used when the user need
to keep silent at outdoor side. It is limit
maximum compressor speed and CDU
fan speed. Sound level can be
implemented by 2 silent level.
Sound level:
Rated level > Silent 1 > Silent 2
Note:
Due to Silent operation reason,
In adequate cooling/heating capacity may
occur.
Cooling Heating
CDU Compressor
Fan Speed frequncy
(rpm) (rps)
43.8
normal
28.8
520
57.0
normal
600 37.8
None
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Description
CDU
Fan Speed
(rpm)
normal
520
normal
600