Midea CSU-05HCAA Installation And Maintenance Manual page 16

V. Refrigerating circuit
Refrigerating circuit for only cooling type
Indoor unit
(with heat-insulating
Pipe-temperature
thermisto
Joint of flared pipe
Room-temperature
thermistor RT11
Joint of flared pipe
(with heat-insulating
Maxinmum length of fitting capillary pipe for heat pump unit
Max length
of extended
Model
fitting pipe (m)
9K
10
12K
15
18K
15
21K
15
24K
15
Maxinmum length of fitting capillary pipe for only cooling unit
Max length
of extended
Model
fitting pipe (m)
5K
10
7K
10
9K
10
12K
15
18K
15
21K
15
24K
15
Connecting pipe
Shutoff valve
(with access door)
pipe casing)
Connecting pipe
Shutoff valve
pipe casing)
Max number
Max Height
of bent pipes
difference
(m)
5
10 spots
5
10 spots
10 spots
5
10 spots
7
10 spots
7
Max number
Max Height
of bent pipes
difference
(m)
5
10 spots
5
10 spots
5
10 spots
5
10 spots
10 spots
5
10 spots
7
10 spots
7
Installation & Maintenance Manual
4-way valve
Compressor
Flow direction of refrigerant
Outer diameter of fitting pipe:(mm)
Gas pipe
Liquid pipe
9.52
6.35
12.7 6.35
12.7
6.35
9.52
15.8
15.8
9.52
Outer diameter of fitting pipe:(mm)
Gas pipe
Liquid pipe
9.52
6.35
9.52
6.35
9.52
6.35
12.7
6.35
6.35
12.7
15.8
9.52
15.8
9.52
14
Outdoor unit
Capillary (cooling)
for cooling
Capillary
Capillary
(cooling)
(heating)
3 1.4 850
3 1.6X450
3 1.6 650
3 1.6 350
4 2 900
4 2 650
4 2 800
4 2 600
4 2 550
4 2 250
Capillary
Capillary
(cooling)
(heating)
3 1.4 1000
3 1.4X1000
3 1.4X1000
3 1.6 600
4 2 1000
4 2 700
4 2 500