Cooling Capacity Curves; Heating Capacity Curves; Reduction Ratio By Frosting - Mitsubishi Electric PRH-P8MYA Technical & Service Manual

[2] Cooling Capacity Curves

• PRH-P8MYA/P10MYA/P16MYA/P20MYA
1.4
1.2
1
0.8
0.6
-5 -3 -1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43

[3] Heating Capacity Curves

• PRH-P8MYA/P10MYA/P16MYA/P20MYA
1.4
1.2
1
0.8
0.6
-12 -10 -8 -6 -4 -2 0

[4] Reduction Ratio by Frosting

Outdoor unit inlet wet bulb temperature
22
20
18
16
2 4 6 8 10 12 14 16 18
(°CWB)
6
4
2
0
–2
–4
–6
–8
–10
1.22
1.1
0.9
0.7
-5 -3 -1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37
1.4
15
20
25
1.2
1
0.8
0.6
-12 -10 -8 -6 -4 -2
Heating capacity reduction ratio
1.0
0.98
0.88
0.85
0.86
0.89
0.92
0.92
0.92
- 19 -
39 41 43
0 2 4 6 8 10 12 14 16 18
22
20
18
16
25
20
15