Mitsubishi SRK63ZM-S Technical Manual page 55

RPSmin < 40
3) Reset conditions:
40 < = RPSmin < 80
80 < = RPSmin < 90
90 < = RPSmin < 102
102 < = RPSmin
(g) Heating overload protective control
(i) Indoor unit side
1) Operating conditions :
a) Operating conditions :
2) Detail of operation :
b) Detail of operation
3) Reset conditions :
i) Taking the upper limit of compressor command speed range at 78 rps, if the output speed obtained with the fuzzy
(ii) Outdoor unit side
calculation exceeds the upper limit, the upper limit value is maintained.
1) Operating conditions :
ii) The lower limit of compressor command speed is set to 30 rps and even if the calculated result becomes lower than
that after fuzzy calculation, the speed is kept to 30 rps. However, when the thermo becomes OFF, the speed is
2) Detail of operation
reduced to 0 prs.
a) Taking the upper limit of compressor command speed range at 90 rps or 50 rps, if the output speed obtained with
iii)
the fuzzy calculation exceeds the upper limit, the upper limit value is maintained.
30
b) The lower limit of compressor command speed is set to 30 rps or 40 rps and even if the calculated result becomes
iv)
lower than that after fuzzy calculation, the speed is kept to 30 rps or 40 rps. However, when the thermo OFF, the
speed is reduced to 0 prs.
c)
30 rps or 40 rps.
3) Reset conditions:
c) Reset conditions:
a) Operating conditions :
(h) Heating low outdoor temperature protective control
(i) Operating conditions:
b) Detail of operation
i) Taking the upper limit of compressor command speed range at 78 rps, if the output speed obtained with the fuzzy
(ii) Detail of operation:
calculation exceeds the upper limit, the upper limit value is maintained.
ii) The lower limit of compressor command speed is set to 30 rps and even if the calculated result becomes lower than
that after fuzzy calculation, the speed is kept to 30 rps. However, when the thermo becomes OFF, the speed is
reduced to 0 prs.
iii)
30
iv)
(iii) Reset conditions:
1)
2)
c) Reset conditions:
(h) Heating low outdoor temperature protective control
(i) Operating conditions:
(ii) Detail of operation:
49 53
53 57
53 ~ 47 57 ~ 51
47 ~ 41 51 ~ 45
41 45
When the outdoor air temperature (TH2) is 11ºC or higher continues for 30 seconds while
the compressor command speed other than 0 rps.
When the outdoor air temperature (TH2) is 13ºC or 17ºC or higher continues for 30 seconds
while the compressor command speed other than 0 rps.
rps.
Item
Compressor command speed
Protective
Low limit
control
30 rps
NO1
NO2
30 rps
Upper 90 rps
Normal operation Lower 30 rps
OFF
11 13
Outdoor air temperature (°C)
When the outdoor air temperature (TH2) is 11ºC or higher continues for 30 seconds while
the compressor command speed other than 0 rps.
rps. -8 -6 4
Outdoor air temperature (°C)
Item
Compressor command speed
Protective
Low limit
control
30 rps
NO1
NO2
30 rps
Normal operation
55 58
59 62
59 ~ 53 58
53 ~ 47 51
47 51
Upper limit
78 rps It depends on compressor command speed
51 rps
Protective control ON2
Upper 50 rps
Protective control ON1
Lower 40 rps
10 11 19
16 17
Outdoor air temperature(°C)
11
Lower limit 40 rps
Lower limit 35 rps
Normal operation
6
6
Upper limit
78 rps
It depends on compressor command speed
51 rps
Protective control ON2
Protective control ON1
10 11 19
Outdoor air temperature(°C)
11
54
- -
Lower limit 40 rps
.
'13 • SRK-T-142
10
Outdoor fan speed
2nd
.
20
.
4
Outdoor fan speed
2nd
20
.
4