Mitsubishi FDUA125VNPWVH - Outdoor Control Operations; Compressor Speed Control

'22 • PAC-SM-412
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27
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MODE:AUTO/COOL/HEAT mode operation
(1) Compressor speed
Unit:rps
Mode
Item
Cooling Heating
Upper limit
90(74) 90(70)
Lower limit
14 15
Note (1) Valuc in ( ) are for the silent mode.
(2) Compressor protection start
(a) Compressor protection start
I
(i) Operating condition
WhenthecompressoristurnedONfromthestateofOFF
(ii) Detail of operation
DuringtheprotectionstartIcontrol,theupperlimitofcompressorspeedisrestrictedtothespeedsasshownin
the followingtable.
Unit:rps
Time after establishment of operating conditions (Including acceleration time)
Less than 3 min Less than 5 min Less than 7 min Less than 9 min 9 min or more
FDC
125
VNP-W
Cooling
120 120 120 120
End of control
Heating
(1)
TH2 10°C
120 120 120 120
TH2<10°C
55 55 75 90
Note(1)Judgmentbytheoutdoorairtemperaturesensor(TH2)ismadeonlyatthestartofcontrolduringheatingoperation.
(b) Compressor protection start
II
(i) Operating condition
When the outdoorair temperature sensor(TH2) has detected lower than10°C after startingthe compressor
duringheatingoperation
(ii) Detail of operation
DuringtheprotectionstartIIcontrol,theupperlimitofcompressorspeedisrestrictedtothespeedsasshown
in thefollowingtable.
Unit:rps
Time after compressor ON (Including acceleration time)
Less than 1 min Less than 5 min Less than 7 min Less than 9 min 9 min or more
FDC125VNP-W
40 40 75 90 End of control
(3) Outdoor fan control
(a) Outdoor fan speed and fan motor speed
Unit:min
-1
Fanspeed 1st speed 2nd speed 3rd speed 4th speed 5th speed 6th speed 7th speed 8th speed
FDC125VNP-W 150 300 550 650 740 820 870 950
(b) Outdoor fan control at start (Cooling operation only)
When theoutdoorairtemperature(TH2)islowerthan22°Catthestartofcompressor,theoutdoorfanisoperatedat
axed speed.
(i)Whentheoutdoorairtemperatureishigherthan11°C,thecompressorrunsat2ndspeedfor30secondsafterthe
compressor ON.
(ii) When the outdoor air temperature is lower than 11°C,thecompressorrunsat1stspeedfor30secondsafterthe
compressor ON.
1.4 Operation control function by the outdoor control