Fujitsu AJ 126LELDH Series Design & Technical Manual page 37

 Example 2
Indoor temperature
28°CDB/20°CWB
• Selection of indoor unit
No Item
A-1 Cooling heat load
Indoor unit models
A-2
(Example: AU)
A-3 (TCin)r
A-4 (TCin)d
Compensation coefficient of
A-5
pipe length
A-6 (TCin)e
A-7 ∑(TCin)r
A-8 ∑(TCin)d
• Preliminary selection of outdoor unit
No Item
B-1 Outdoor unit model
B-2 (TCout)r
B-3 ∑(TCin)r/(TCout)r
B-4 (TCout)d
Compensation coefficient of
B-5
pipe length
B-6 (TCout)c
1-3. Capacity calculation method
Design conditions
Outdoor temperature
35°CDB
Outdoor
unit
Pipe length (L) = 75 m
Indoor Indoor
unit 1 unit 2
Room 1 Room 2
Room
1 2
kW 7.5 7.5 7.5
AUXK AUXK AUXK
030 030 030
kW 9.0 9.0 9.0
kW 9.7 9.7 9.7
0.90
kW 8.7 8.7 8.7
kW 29.2
kW 31.5
Value
10 HP: AJ090LELDH
kW 28.0
% 104.3
kW 28.9
0.90
kW 26.0
- (02-9) -
Pipe length
75 m
Indoor Indoor
unit 3 unit 4
Room 3 Room 4
3 4 5
0.8 0.8
AUXB AUXB
004 004
Refer to "Indoor units" of
unit and indoor unit lineup"
1.1 1.1
INFORMATION on page 01-1.
Refer to
1.2 1.2
Refer to
1.1 1.1
Refer to the value marked gray in
"Cooling capacity table (Outdoor
Refer to
HP outdoor units: AJ090LELDH"
Refer to
Height difference
20 m
Outdoor unit higher side
Indoor
unit 5
Room 5
Remark
"Outdoor
Chapter 1. GENERAL
"Cooling capacity table
(Indoor unit)" on page 02-13.
"Capacity compensation
coefficient" on page 02-12.
(A-4) × (A-5)
Sum of A-3
Sum of A-4
Remark
unit)" on page 02-75
(A-7)/(B-2)
"Calculation example of 10
on page 02-10.
"Capacity compensation
coefficient" on page 02-12.
(B-4) × (B-5)
1. Model selection and capacity calculation
in