
2
2
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Design of 3-WAY FLOW LOGIC
2. System Design
2-1. System Example
(1) Below are the tables created using the “Airwell PAC/GHP System Diagram Software.”
Details of the calculations are shown in (2).
Selection conditions
Assumes that installation is in a 50 Hz region.
Outdoor unit
Room 1
(indoor unit 1)
Room 2
(indoor unit 2)
Room 3
(indoor unit 3)
Room 4
(indoor unit 4)
Air condition
(DB/WB)
Cooling
Max. load (kW)
Air condition
(DB/WB)
Heating
Max. load (kW)
Actual tubing length
Equivalent length (with
consideration for curves, etc.)
Preliminary selection
Outdoor unit
Room 1
(indoor unit 1)
Room 2
(indoor unit 2)
Room 3
(indoor unit 3)
Room 4
(indoor unit 4)
Selected model
Type 2204
Type 604
Type 484
Type 484
Type 184
Type 604
Type 484
Type 484
Type 184
Load (cooling/heating) (kW)
Rated capacity
(cooling/heating) (kW)
[5] Corrected capacity
(cooling/heating) (kW)
[7] Actual capacity
(cooling/heating) (kW)
Total corrected capacity of indoor units (cooling/heating) = 48.65/55.76
Ruc = 48.65/55.3 = 0.880
<
1 Ruh = 55.76/54.86 = 1.164
>
1
33.0 / 22.5
68.0 / 76.5
73.0 / 81.5
55.3 / 54.86
59.36 / 58.45
16.00 / 18.00
16.00 / 18.00
16.00 / 18.00
16.00 / 17.74
14.00 / 15.77
13.42 / 15.46
14.00 / 16.00
14.00 / 16.00
14.00 / 16.00
13.42 / 15.69
13.42 / 15.69
13.42 / 15.69
5.23 / 6.07
5.23 / 6.07
5.23 / 6.07
5.23 / 5.98
3.0 / 2.0
21.0 / 13.0
21.0 / 13.0
21.0 / 13.0
21.0 / 13.0
26.0 / 18.0
16.0 / 18.0
16.0 / 18.0
14.0 / 16.0
14.0 / 16.0
14.0 / 16.0
14.0 / 16.0
5.6 / 6.3
5.6 / 6.3
26.0 / 18.0
26.0 / 18.0
26.0 / 18.0
15.0
13.0
13.0
5.5
15.0
13.0
13.0
5.5
15.0
13.0
13.0
5.5
6.2
14.5
14.5
16.0
100 m
120 m
72 m
84 m
108 m
120 m
100 m
90 m
70 m
60 m
Outdoor unit
Room 1
(indoor unit 1)
Room 2
(indoor unit 2)
Room 3
(indoor unit 3)
Room 4
(indoor unit 4)
Selected model
Type 2304
Maximum load
(cooling/heating) (kW)
Rated capacity
(cooling/heating) (kW)
(5) Corrected capacity
(cooling/heating) (kW)
(7) Actual capacity
(cooling/heating) (kW)
Total corrected capacity of all indoor units (cooling/heating) = 48.65/55.76
Ruc = 48.65/59.36 = 0.820
<
1 Ruh = 55.76/58.45 = 0.954
<
1
Outdoor unit changes
During heating, the corrected outdoor unit capacity is less than the total corrected capacity of all indoor units
in the system. As a result, the actual capacity of each indoor unit is less than the maximum load. Therefore
the outdoor unit is increased by one rank.
Outdoor
unit 1
Indoor
unit 1
Indoor
unit 2
Indoor
unit 3
Indoor
unit 4
Outdoor
unit 2
Elevation
difference: 10 m
50 m
10 m
20 m
20 m
10 m
10 m
10 m
Solenoid valve kit
04-218 Airwell-2.qxp 01/06/2007 13:16 Page 18
Содержание EFL 100-3R410
Страница 300: ...6 6 15 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NWFL 24 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 15...
Страница 306: ...6 6 21 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NDHP 24 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 21...
Страница 308: ...6 6 23 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NDHP 36 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 23...
Страница 310: ...6 6 25 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NDHP 48 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 25...
Страница 312: ...6 6 27 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NDHP 76 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 27...
Страница 314: ...6 6 29 Electrical Data 2 Indoor Unit Schematic Wiring Diagram ST NDHP 96 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 29...
Страница 315: ...6 6 30 Electrical Data 2 Indoor Unit 8 Electric Wiring Diagram ST NDHP 96 04 218 Airwell 6 qxp 01 06 2007 13 23 Page 30...