Sanyo SPW-CR703GDCH8 - Example of System Design

II - 17
2
TD831077
Design of W-ECO MULTI SYSTEM
2. Example of System Design
2-1. Example of tubing size selection and additional charge amount
1668_M_I
l
8
= 3 m
25
l
9
= 4 m
25
l
10
= 4 m
12
l
11
= 6 m
9
l
7
= 3 m
LH
= 3 m
LB
= 5 m
Outdoor unit to be
installed additionally
Indoor unit to be
installed additionally
LA
= 20 m
LG
= 8 m
190 70
LC
= 6 m LD = 6 m LE1 = 0.4 m LE2 = 4 m
LF
= 5 m
LI
= 4 m
LJ
= 5 m
48
l
1
= 3 m
l
A
= 2 m
l
B
= 1 m
36
l
2
= 3 m
18
l
3
= 3 m
9
(8)
l
4
= 4 m
36
l
5
= 6 m
(4)
25
(5)
l
6
= 7 m
25
(6)
(9) (10)
(11)
(7)
(1) (2) (3)
Total cooling capacity after distribution joint
Wide tube Narrow tube
1 Tubing 2 Additional 1
××
××
×2
/ Outdoor unit type / Indoor unit type length (m) refrigerant (g/m) (g)
LA 56 + 22.4 = 78.4 kW* 44.45 (1 3/4) 22.22 (7/8) 20 400 (m) 8000
LB 10.6 + 5.6 + 2.8 + 10.6 + 7.3 + 7.3 = 44.2 kW 38.10 (1 1/2) 15.88 (5/8) 5 195 975
LC 5.6 + 2.8 + 10.6 + 7.3 + 7.3 = 33.6 kW 31.80 (1 1/4) 15.88 (5/8) 6 195 1170
LD 2.8 + 10.6 + 7.3 + 7.3 = 28.0 kW 28.58 (1 1/8) 12.70 (1/2) 6 125 750
LE1 10.6 + 7.3 + 7.3 = 25.2 kW 28.58 (1 1/8) 12.70 (1/2) 0.4 125 50
LG 14.0 + 7.3 + 7.3 + 3.6 + 2.8 = 35.0 kW 31.80 (1 1/4) 15.88 (5/8) 8 195 1560
LH 7.3 + 7.3 + 3.6 + 2.8 = 21.0 kW 28.58 (1 1/8) 12.70 (1/2) 3 125 375
LI 7.3 + 3.6 + 2.8 = 13.7 kW 19.05 (3/4) 9.52 (3/8) 4 75 300
LJ 3.6 + 2.8 = 6.4 kW 15.88 (5/8) 9.52 (3/8) 5 75 375
Outdoor unit IA 190 type 41.28 (1 5/8) 19.05 (3/4) 2 280 560
tube IB 70 type 25.40 (1) 12.70 (1/2) 1 125 125
I1 36 type 19.05 (3/4) 9.52 (3/8) 3 75 225
I2 18 type 15.88 (5/8) 9.52 (3/8) 3 75 225
I3 9 type 12.70 (1/2) 9.52 (3/8) 3 75 225
I4 36 type 19.05 (3/4) 9.52 (3/8) 4 75 300
I5 25 type 15.88 (5/8) 9.52 (3/8) 6 75 450
I6 25 type 15.88 (5/8) 9.52 (3/8) 7 75 525
I7 48 type 19.05 (3/4) 9.52 (3/8) 3 75 225
I8 25 type 15.88 (5/8) 9.52 (3/8) 3 75 225
I9 25 type 15.88 (5/8) 9.52 (3/8) 4 75 300
I10 12 type 12.70 (1/2) 9.52 (3/8) 4 75 300
I11 9 type 12.70 (1/2) 9.52 (3/8) 6 75 450
Rating Capacity
Cooling Heating
9 type: (3), (11) 2.8 3.2
12 type: (10) 3.6 4.2
18 type: (2) 5.6 6.3
25 type: (5), (6), (8), (9) 7.3 8.0
36 type: (1), (4) 10.6 11.4
48 type: (7) 14.0 16.0
Outdoor unit
190 type 56.0 63.0
70 type 22.4 25.0
Indoor unit
Before extension
Total additional refrigerant charge amount before extension = 17,690 g
Distribution
branch
Main tube