Noise Criterion Curves; Correction Of Heating Capacity For Frost And Defrosting - Mitsubishi PUMY-P60NKMU Technical & Service Manual

4-4-3. Correction of heating capacity for frost and defrosting

If heating capacity has been reduced due to frost formation or defrosting, multiply the capacity by the appropriate correction
factor from the following table to obtain the actual heating capacity.
Correction factor diagram
Outdoor Intake temperature (W.B.°F)
Outdoor Intake temperature (W.B.°C)
Correction factor

4-5. NOISE CRITERION CURVES

PUMY-P60NKMU
PUMY-P60NKMU-BS
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
OCH502C
43 39
6 4
1.0 0.98
SPL(dB)
MODE
COOLING 58
HEATING 59
250 500 1000 2000 4000
36 32 28
2 0 -2
0.89 0.88 0.89
LINE
NC-70
MICROPHONE
NC-60
NC-50
1.5m
[4.9 ft]
NC-40
NC-30
NC-20
8000
16
25 21 18
-4 -6 -8
0.9 0.95 0.95
1m [3.3 ft]
UNIT
GROUND
14
-10
0.95