Compressor Overheat Protection; Current Safe; Current Cut; Outdoor Unit Failure - Mitsubishi Electric DXK09ZJ-S Technical Manual

3) Reset conditions:
a)
b)
• Model 18
Operating conditions: When the outdoor air temperature (TH2) is lower than 4ºC or higher continues for 30 seconds
1)
2) Detail of operation:
Lower limit 29 rps
3) Reset conditions:
a) The outdoor air temperature (TH2) becomes 6ºC.
b) The compressor command speed is 0 rps.
(h) Compressor overheat protection
1) Purpose:
2) Detail of operation
a)
(Example) Fuzzy
Model
Lower limit speed
b)
(i)

Current safe

1) Purpose:
2) Detail of operation:
(j)

Current cut

1) Purpose:
2) Detail of operation:
(k) Outdoor unit failure
1)
Outdoor air temperature(°C)
while the compressor command speed is other than 0 rps.
The lower limit compressor command speed is change as shown in the figure belo.
4 6
Outdoor air temperature(°C)
When either of the following condition is satisfied.
90
Discharge pipe temperature (˚C)
Item
Cooling Heating
09, 12 20 rps 30 rps
18 24 rps 29 rps
0
-
item 1), 2) is satisfied. Once the unit is stopped by this function, ti is not
Normal operation
100
-
'11 • SRK-T-118
'09•SRK-DB-087D
110