Eco Operation - Toshiba RAS-22N3KV2-A Service Manual

Item
When pressing [ECO] button on the remote controller, a

9. ECO operation

Economic operation is performed.
<Cooling operation>
This function operates the air conditioner with the difference
between the set and the room temperature as shown in the
following figure.
TA
+6.5
+6.0
+5.5
+5.0
+4.5
+4.0
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
TSC
–0.5
–1.0
–2.0
1H
< Heating Operation >
o o
F ( C)
0.0 (0.0)
-2.0 (1.0)
-3.5 (2.0)
-5.5 (3.0)
-7.0 (4.0)
-9.0 (5.0)
-11.0 (6.0)
-12.5 (7.0)
-14.0 (8.0)
-16.0 (9.0)
-18.0 (10.0)
-20.0 (11.0)
-22.0 (12.0)
ECO Start
Operation flow and applicable data, etc.
2H 3H 4H
* 12 (DRY max - COOL min) /6 × 5 + COOL min
* 11 (DRY max - COOL min) /6 × 4 + COOL min
* 10 (DRY max - COOL min) /6 × 3 + COOL min
* 9 (DRY max - COOL min) /6 × 2 + COOL min
* 8 (DRY max - COOL min) /6 × 1 + COOL min
Hz
Cool min
DRY max
Compressor stop
A Zone
B Zone
A Zone
C Zone
B Zone
C Zone
30 minutes
Hz
a
c
Frequency
Zone
FAN
12 Dry Max
∗12
11
∗11
10
∗10
9
∗9
8
∗8
7
6
5
4
3
2
Min
1
Hz
OFF
Time
RAS-22N3KV2-A
10
50
Time
RAS-22N3KV2-A
10
72
34
– –
FILE NO. SVM-13003
Description
<Cooling operation>
1) The control target temperature
increases 0.5°C per hour up to
2°C starting from the set tem-
perature when ECONO has been
received.
2) The indoor fan speed depends
on presetting and can change
every speed after setting ECO
operation.
3) The compressor speed is
controlled as shown in the left
figure.
<Heating operation>
1) The difference of room temperature
and set temperature are separated
in to A zone, B zone and C zone.
Three zone will changed again 30
minutes after ECO operation start.
2) The compressor speed is
controlled as shown on the table.
3) The indoor fan speed is not
controlled and can be selected
during the ECO operation.