6. SYSTEM DESIGN
Example 7 (Not good)
Outdoor unit
Indoor unit 1
Branch box 1
(Primary type)
Branch box 2
(Secondary type)
Indoor unit 2
Indoor unit 3
Indoor unit 4
Indoor unit 5
Indoor unit 6
Indoor unit 7
Branch box 3
(Secondary type)
Model
Capacity
(BTU/h)
Total
capacity
(BTU/h)
Connectable indoor
unit capacity (BTU/h)
Judgement
Min.
Max.
Outdoor unit
AOU48
48000
48000
2
80%
38400
3
130%
62400
3
<
1
62400 < 66000 → Not good
Indoor unit 1
ARU12
12000
1
66000
Indoor unit 2
ARU9
9000
Indoor unit 3
ARU9
9000
Indoor unit 4
ARU9
9000
Indoor unit 5
ARU9
9000
Indoor unit 6
ARU9
9000
Indoor unit 7
ARU9
9000
Branch box 1
UTP-PU03A
-
-
-
-
-
Branch box 2
UTP-PU03B
-
-
-
-
-
Branch box 3
UTP-PU03B
-
-
-
-
-
Example 8 (Not good)
Branch box 1
(Primary type)
Branch box 2
(Secondary type)
Branch box 3
(Secondary type)
Outdoor unit
Indoor unit 1
Indoor unit 2
Indoor unit 3
Indoor unit 4
Indoor unit 5
Indoor unit 6
Indoor unit 7
Indoor unit 8
Indoor unit 9
Model
Capacity
(BTU/h)
Total
capacity
(BTU/h)
Connectable indoor
unit capacity (BTU/h)
Judgement
Min.
Max.
Outdoor unit
AOU48
48000
48000
2
80%
38400
3
130%
62400
Not good → Because nine indoor
units are connected
Indoor unit 1
ASU7
7000
1
63000
Indoor unit 2
ASU7
7000
Indoor unit 3
ASU7
7000
Indoor unit 4
ASU7
7000
Indoor unit 5
ASU7
7000
Indoor unit 6
ASU7
7000
Indoor unit 7
ASU7
7000
Indoor unit 8
ASU7
7000
Indoor unit 9
ASU7
7000
Branch box 1
UTP-PU03A
-
-
-
-
-
Branch box 2
UTP-PU03B
-
-
-
-
-
Branch box 3
UTP-PU03B
-
-
-
-
-
Capacity ratio
138%
- (06 - 06) -
SY
S
T
E
M
DE
SIGN
SY
S
T
E
M
DE
SIGN
Summary of Contents for ARU12RLF
Page 3: ...1 GENERAL INFORMATION DTR_BMU001E_03 CHAPTER01 2010 08 25 Hybrid Flex Inverter System ...
Page 18: ...2 MODEL SELECTION DTR_BMU001E_04 CHAPTER02 2010 10 04 Hybrid Flex Inverter System ...
Page 38: ...3 OUTDOOR UNIT BRANCH BOX Hybrid Flex Inverter System DTR_BMU001E_04 CHAPTER03 2010 10 04 ...
Page 58: ...4 INDOOR UNITS Hybrid Flex Inverter System DTR_BMU001E_05 CHAPTER04 2010 11 12 ...
Page 116: ...5 CONTROL SYSTEM DTR_BMU001E_04 CHAPTER05 2010 10 04 Hybrid Flex Inverter System ...
Page 152: ...6 SYSTEM DESIGN DTR_BMU001E_04 CHAPTER06 2010 10 04 Hybrid Flex Inverter System ...
Page 287: ...7 OPTIONAL PARTS Hybrid Flex Inverter System DTR_BMU001E_03 CHAPTER07 2010 08 25 ...