11-12
CONTROL SYSTEM
SM YAZDCI 1-A.1 GB
11.5.2.4
Outdoor Unit NLOAD calculation
Indoor Unit
2
Indoor Unit
3
Indoor Unit
4
Outdoor
Controller
NLOAD
2
Code
2
NLOAD
3
Code
3
NLOAD
4
Code
4
Communication Line
Trio/Quattro- Load Calculation
ODUCode
NLOAD
Code
TotalLoad
i
i
¦
*
Capacity Group
Capacity
Code
0 (2.0-2.9)kw
1.2
1 (3.0 - 3.9kw)
1.5
2 (4.0 - 4.9kw)
Reserved
3 (5.0 to 6.0)
2
4 (6.1kw and above)
3
Product
ODU
Code
(cool)
Quattro
3
Trio
3
Indoor Unit
1
NLOAD1
Code
1
-15
-5
15
ODUCode
Ambient
temp
2
24
21
A
B
C
D
E
Point
ODUCodeH
A
B
C
D
E
1.8
2
2.7
4.2
4.9
Compressor speed will be set between the minimum speed and the max speed according to
the ODU NLOAD
11.5.2.5
Speed Step Limitations
11.5.2.5.1
Step 1 and step 2
The compressor speed cannot go below
Step1Freq
or above
Step2Freq
during 3 continuous
minutes once after the compressor starts up when the ODU unit changes from STBY
11.5.2.5.2
Step 3 limit
The speed cannot go higher than
Step3Freq
unless it was operating for more than 1
continuous minute between
Step3Freq
– 5 and
Step3Freq
.
