-
108
-
<Outdoor unit maximum heating capacity> : Item (2) (b) calculation
• Outdoor unit rated heating capacity: 16.0 kW
• Capacity compensation coefficient according to temperature conditions:
1.04 (Calculated according to Outdoor 6
˚
C WB / Indoor 19
˚
C DB); (See page 109)
Outdoor unit heating capacity: 16.0 kW
×
1.04 = 16.6 kW
• Capacity compensation coefficient according to piping length: 0.98 (calculated according to 60 m length); (See page 110)
16.0 kW
×
0.98 .=. 15.7 kW
• Capacity compensation coefficient according to height difference: 0.96 (calculated according to 20 m difference); (See page 110)
15.7 kW
×
0.96 .=. 15.1 kW
• Correction of heating capacity in relation to the frost on the outdoor unit heat exchanger: 1.0;
15.1 kW
×
1.0 .=. 15.1 kW.
• Capacity compensation coefficient according to indoor unit connected total capacity: 1.02
,
(56
×
3) / 140 = 120%) (See page 112)
15.1 kW
×
1.02 .=. 15.4 kW.
<System heating capacity>: Item (2) (c) calculation
Compare the indoor unit total heating capacity and the outdoor unit maximum heating capacity. The smaller value is the actual
system heating capacity.
• Indoor unit total heating capacity
: 19.8 kW
• Outdoor unit maximum heating capacity : 15.4 kW
e
System heating capacity: 15.4 kW
<Indoor unit heating capacity compensation> (Item (2) (d) calculation
15.4 kW
×
6.6 kW 5.1 kW
19.8 kW
(3)
Capacity compensation coefficient
(a)
Capacity compensation coefficient and power consumption compensation coefficient according to in-
door and outdoor temperature conditions.
1)
Capacity compensation coefficient
S
Cooling
Indoor air W.B. temperature 14˚CWB
Indoor air W.B. temperature 15˚CWB
Indoor air W.B. temperature 16˚CWB
Indoor air W.B. temperature 17˚CWB
Indoor air W.B. temperature 18˚CWB
Indoor air W.B. temperature 19˚CWB
Indoor air W.B. temperature 20˚CWB
Indoor air W.B. temperature 21˚CWB
Indoor air W.B. temperature 22˚CWB
Indoor air W.B. temperature 24˚CWB
Indoor air W.B. temperature 26˚CWB
Ambient air D.B. temperature (˚CDB)
Capacity compensation conefficient
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
.=.
Summary of Contents for FDC112KXEN6
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