Midea MSV1-09HRDN1 - 9 Pressure Table; Msv1-09 Hrdn1; Msv1-12 Hrdn1

Service manual
21

9. Pressure table
Note:
The pressure data is from 3 way valve, the pressure data are pressure above atmosphere.
D: Dry bulb temp.
W: Wet bulb temp.
9.1 MSV1-09HRDN1
Cooling mode Outdoor temperature (Dry bulb temp)
Indoor Conditions Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
21ºC D15ºC W Pressure( kg/cm
2
) 8.7 8.9 8.9 9.0 10.0 10.6
24ºC D17ºC W Pressure( kg/cm
2
) 8.8 8.9 8.9 9.6 10.5 11.0
27ºC D19ºC W Pressure( kg/cm
2
) 8.8 8.9 9.0 9.0 11.0 11.5
32ºC D23ºC W Pressure( kg/cm
2
) 8.9 9.0 9.1 10.1 12.0 12.5
Heating mode OUTDOOR CONDITIONS
Indoor Conditions Pressure
12ºC D
11ºC W
7ºC D
6ºC W
0ºC D
-1ºC W
-4ºC D
-6ºC W
-7ºC D
-9ºC W
-15ºC D
-xºC W
15ºC Pressure( kg/cm
2
) 34.0 33.5 32.0 31.0 28.0 27.0
18ºC Pressure( kg/cm
2
) 35.0 34.5 34.0 32.5 29.0 27.5
20ºC Pressure( kg/cm
2
) 36.5 36.0 35.5 33.5 30.0 28.5
22ºC Pressure( kg/cm
2
) 37.0 36.5 36.0 35.0 31.5 29.0
9.2 MSV1-12HRDN1
Cooling mode Outdoor temperature (Dry bulb temp)
Indoor Conditions Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
21ºC D15ºC W Pressure( kg/cm
2
) 6.4 6.6 6.8 7.2 7.6 8.1
24ºC D17ºC W Pressure( kg/cm
2
) 6.6 6.9 7.0 7.6 8.2 8.7
27ºC D19ºC W Pressure( kg/cm
2
) 6.9 7.0 7.3 7.6 8.6 9.2
32ºC D23ºC W Pressure( kg/cm
2
) 6.9 7.4 7.6 8.1 9.4 9.8
Heating mode OUTDOOR CONDITIONS
Indoor Conditions Pressure
12ºC D 7ºC D 0ºC D -4ºC D -7ºC D -15ºC D
15ºC Pressure( kg/cm
2
) 36.0 35..0 34.5 30.0 29.0 28.0
18ºC Pressure( kg/cm
2
) 33.0 34.0 33.5 30.0 28.5 27.5
20ºC Pressure( kg/cm
2
) 34.0 33.0 31.0 30.5 29.0 26.0
22ºC Pressure( kg/cm
2
) 32.5 31.5 31.0 29.0 28.0 25.5