•
Selection of pipe size
Pipe no.
Pipe diameter: in (mm)
Length example
ft (m)
Liquid pipe
Gas pipe
a
Ø1/2 (12.70)
Ø1-1/8 (28.58)
246 (75)
b
Ø1/2 (12.70)
Ø7/8 (22.22)
65 (20)
b1
Ø3/8 (9.52)
Ø5/8 (15.88)
22 (7)
c
Ø3/8 (9.52)
Ø5/8 (15.88)
32 (10)
d
Ø3/8 (9.52)
Ø3/4 (19.05)
26 (8)
e1
Ø3/8 (9.52)
Ø5/8 (15.88)
22 (7)
e2
Ø1/4 (6.35)
Ø1/2 (12.70)
22 (7)
f1
Ø1/4 (6.35)
Ø3/8 (9.52)
19 (6)
f2
Ø1/4 (6.35)
Ø3/8 (9.52)
19 (6)
f3
Ø1/4 (6.35)
Ø3/8 (9.52)
19 (6)
•
Limitation check
Pipe
Diagram
Example
Limitation
Judge
ft (m)
Total pipe length
Total
498 (152)
1,312 (400)
or less
OK
Between outdoor unit and farthest indoor
unit
a + b + c + f3
364 (111)
393 (120)
or less
OK
Between the first separation tube and the
farthest indoor unit
b + c + f3
118 (36)
295 (90)
or less
OK
Between outdoor unit and the nearest
indoor unit
a + b1
269 (82)
17 (5)
or more
OK
Between outdoor unit and the first
separation tube
a
246 (75)
10 (3)
or more
OK
•
Calculation of additional charge refrigerant
–
Calculation of additional amount for pipe length (A)
Diameter of liquid pipe
Additional amount for pipe
length
Liquid pipe length
in (mm)
lb/ft (kg/m)
ft (m)
Ø1/2 (12.70)
0.077 (0.114)
311 (95)
Ø3/8 (9.52)
0.039 (0.058)
104 (32)
Ø1/4 (6.35)
0.014 (0.021)
82 (25)
A = (0.077 lb × 311 ft) + (0.039 lb × 104 ft) + (0.014 lb × 82 ft) = 29.151 (lb)
A = (0.114 kg × 95 m) + (0.058 kg × 32 m) + (0.021 kg × 25 m) = 13.211 (kg)
–
Calculation of factory charge amount (B)
Outdoor unit
Model name
Factory charge amount
1
AOU120RLAVL
24.25 lb (11.0 kg)
B = 24.25 lb (11.0 kg)
–
Total refrigerant amount check (C)
C = A + B = 29.151 + 24.25 = 53.402 (lb) < 56.44 (lb) → OK
C = A + B = 13.211 + 11.0 = 24.211 (kg) < 25.6 (kg) → OK
Check pipe length and height difference between the units by comparing with
2-6. Piping design example
- (06-34) -
2. Piping design
SYSTEM
DESIGN
SYSTEM
DESIGN
Содержание AIRSTAGE J-IIIL
Страница 1: ...DESIGN TECHNICAL MANUAL ...
Страница 3: ...1 GENERAL INFORMATION 2019 11 01 DV_CH01_J3LU061EF_02 ...
Страница 20: ...2 5 Others 01 16 2 Optional parts GENERAL INFORMATION GENERAL INFORMATION ...
Страница 21: ...2 MODEL SELECTION 2019 11 01 DV_CH02_J3LU061EF_02 ...
Страница 94: ...5 1 Stand alone 02 72 5 Heating capacity table Outdoor unit MODEL SELECTION MODEL SELECTION ...
Страница 95: ...3 OUTDOOR UNITS 2019 03 07 DV_CH03_J3LU061EF_01 ...
Страница 113: ...6 2 Model AOU120RLAVL 6 2 Model AOU120RLAVL 03 17 6 Wiring diagrams OUTDOOR UNITS OUTDOOR UNITS ...
Страница 120: ...11 1 Stand alone 03 24 11 Accessories OUTDOOR UNITS OUTDOOR UNITS ...
Страница 121: ...4 INDOOR UNITS 2019 11 01 DV_CH04_J3LU061EF_02 ...
Страница 194: ...5 4 Mini duct type Model ARUL4TLAV1 5 4 Mini duct type 04 70 5 Wiring diagrams INDOOR UNITS INDOOR UNITS ...
Страница 203: ... Models ASUA12TLAV1 and ASUA14TLAV1 5 11 Wall mounted type 04 79 5 Wiring diagrams INDOOR UNITS INDOOR UNITS ...
Страница 205: ... Models ASUA30TLAV2 and ASUA36TLAV2 5 11 Wall mounted type 04 81 5 Wiring diagrams INDOOR UNITS INDOOR UNITS ...
Страница 206: ... Models ASUA7TLAV and ASUA12TLAV 5 11 Wall mounted type 04 82 5 Wiring diagrams INDOOR UNITS INDOOR UNITS ...
Страница 337: ...5 CONTROL SYSTEM 2019 11 01 DV_CH05_VR2E018EF_04 ...
Страница 521: ...6 SYSTEM DESIGN 2019 11 01 DV_CH06_J3LU061EF_02 ...
Страница 599: ...7 FUNCTION SETTINGS 2019 11 01 DV_CH07_J3LU061EF_02 ...
Страница 753: ...8 EXTERNAL INPUT AND OUTPUT 2019 11 01 DV_CH08_J3LU061EF_02 ...
Страница 831: ...9 NOTES 2019 11 01 DV_CH09_J3LU061EF_04 ...
Страница 850: ...4 2 Wiring connection 09 18 4 About connection between series NOTES NOTES ...
Страница 851: ...10 OPTIONAL PARTS 2019 11 01 DV_CH10_VR2E018EF_05 ...