Toshiba RAS-B10N3KVP-E - Fan Motor Speed Control

− 27 −
Operation ON
Setup of remote controller
Indoor fan motor control / Louver control / Operation Hz
Control (Requierment)
Indoor unit control
Sending of operation command signal
Outdoor unit control
[ ]
Compressor revolution control / Outdoor fan motor control /
4-way valve control In cooling operation: ON
In heating operation: OFF
Pulse Modulating valve control
Item
1. Basic
ope
ration
Operation flo
w and applicable data, etc.
2. Cooling/Heating operation
Description
The operations are performed in the following parts by controls according to cooling/heating conditions.
1)
Receiving the operation ON signal of the remote controller, the cooling or heating operation signal
star
ts being transferred form the indoor controller to the outdoor unit.
2)
At the indoor unit side, the indoor fan is operated according to the contents of
“2.
Indoor fan
motor contr
ol
” and the louv
er according to the contents of
“9.
Louver control
”, respectiv
ely.
3) The outdoor unit controls the outdoor
fan motor, compressor, pulse Modulating valve and
4-w
ay valve according to the operation signal sent from the indoor unit.
3. AUTO operation
Selection of operation mode
As sho
wn in the following figure, the operation starts by
selecting automatically the status of room temperature
(T
a) when starting AUTO operation.
*
1. When reselecting the operation mode, the fan
speed is controlled by the previous operation mode.
4. DRY operation
DRY operation is performed according to the difference
betw
een room temperature and the setup temperature as
sho
wn below.
In DR
Y operation, fan speed is controlled in order to
pre
vent lowering of the room temperature and to avoid air
flo
w from blowing directly to persons.
1) Detects the room temperature (Ta) when
the DR
Y operation started.
2)
Starts operation under conditions in the
left figure according to the temper
ature
diff
erence between the room tempera-
ture and the setup temper
ature (Tsc).
Setup temper
ature (Tsc)
= Set temper
ature on remote controller
(Ts) + (0.0 to 1.0)
3)
When the room temperature is lower
1°C or less than the setup temperature
,
turn off the compressor.
1) Detects the room temperature (Ta) when
the operation star
ted.
2) Selects an operation mode from Ta in
the left figure
.
3)
Fan operation continues until an
oper
ation mode is selected.
4)
When AUTO operation has started
within 2 hours after heating operation
stopped and if the room temper
ature is
20°C or more
, the fan operation is
perf
ormed with
”Super Ultr
a LOW
” mode
f
or 3 minutes.
Then, select an oper
ation mode.
5)
If the status of compressor-OFF
continues f
or 15 minutes the room
temper
ature after selecting an operation
mode (COOL/HEA
T), reselect an
operation mode.
Ts + 1
Ts – 1
Ta
Cooling operation
Monitoring (Fan)
Heating operation
Tsc
+
0.5
+
1.0
[
˚C
]
Ta
Fan speed
L– (W5)
(W5+W3) / 2
SUL (W3)
Operation Hz control (Include limit control)
FILE NO. SVM-12051