Example Of Piping Design - Fujitsu AIRSTAGE J-II Design & Technical Manual

2-6.

EXAMPLE OF PIPING DESIGN

REFRIGERANT SYSTEM 1
„ „
Outdoor
unit
b
(18.2kW) (15.4kW)
BP1 BP2
a1
1
(2.8kW)
Indoor
unit
System configuration
z „
1
Model name ARXD09
Capacity (kW) 2.8
System configuration
z „
Outdoor unit
Model name AJ  A54
Capacity (kW) 15.5
Capacity ratio
z „
(Total indoor unit capacity) / (Total outdoor unit capacity)
= (18.2) / (15.5) = 117.4% (Within 50% to 130%)
Selection of branch kit
z „
Branch
Model
point No.
BP1 UTP-AX090A
BP2 UTP-AX090A
BP3 UTP-AX090A
BP4 UTP-AX090A
BP5 UTP-AX090A
BP6 UTP-AX090A
BP7 UTP-AX090A
a
c d
(13.2kW) (11.0kW)
BP3 BP4
b1 c1
2 3
(2.2kW) (2.2kW)
Indoor Indoor
unit unit
(Indoor units)
2 3 4
ARXD07 ARXD07 ARXD07
2.2 2.2 2.2
(Outdoor unit)
Total cooling capacity of indoor units
connected downwards to the pipe.
e f
(8.8kW) (6.6kW)
BP5 BP6
d1 e1
4 5
(2.2kW) (2.2kW)
Indoor Indoor
unit unit
5 6
ARXD07 ARXD07
2.2 2.2
Model
UTP-AX090A
- (06 - 23) -
g h
(4.4kW) (2.2kW)
BP7
f1 g1
6 7
(2.2kW) (2.2kW)
Indoor Indoor
unit unit
Total Capacity
7 8
(kW)
ARXD07 ARXD07
18.2
2.2 2.2
Q'ty
7
8
(2.2kW)
Indoor
unit