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54
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'10 • SRK-T-098
'09•SRK-DB-087D
(h) Compressor overheat protection
1)
Purpose:
2)
Detail of operation
a)
Discharge pipe temperature (˚C)
(Example) Fuzzy
90
100
110
b)
(i)
Current safe
1)
Purpose:
2)
Detail of operation:
(j)
Current cut
1)
Purpose:
2)
Detail of operation:
(k) Outdoor unit failure
(l)
Indoor fan motor protection
Cooling
Heating
Lower limit speed
Item
Model
3)
ޓ
Reset conditions:
When either of the following condition is satisfied.
a)
ޓ
The outdoor air temperature (TH2) becomes 6ºC.
b)
ޓ
The compressor command speed is 0 rps.
25, 35
20 rps
30 rps
item 1), 2) is satisfied. Once the unit is stopped by this function, ti is not
1)
2)
'09•SRK-DB-087D
(m) Serial signal transmission error protection
1)
Purpose:
2)
Detail of operation:
(n)
Rotor lock
(o)
Outdoor fan motor protection
(p)
Outdoor fan control at low outdoor temperature
Cooling
1)
Operating conditions:
(q)
Refrigeration cycle system protection
1)
Starting conditions
2)
Detail of operation:
3)
Reset conditions:
Heating
1)
Operating conditions:
2)
Detail of operation:
3)
Reset conditions:
Outdoor temperature > 10˚C
Outdoor temperature <
= 10˚C
Outdoor fan
a)
b)
a)
b)
a)
b)
a)
b)
c)
When 5 minutes have elapsed after the compressor ON or the completion of the defrost control
Other than the defrost control
2)
Contents of control
a)
3)
Resetting condition
When the compressor has been turned OFF
b)
When the conditions of 1) above are met, the compressor stops.
Error stop occurs when the compressor has stopped 3 times within 60 minutes.
c)
When, after meeting the conditions of a) and b) above, the compressor speed, indoor air temperature (Th1) and indoor
heat exchanger temperature (Th2) have met the conditions in the following table for 5 minutes:
Compressor speed (N)
Operation mode
Cooling
Heating
Indoor air temperature (Th1)
Th1−4<Th2
Indoor air temperature (Th1)/
Indoor heat exchanger temperature (Th2)
Th2<Th1+6
50 N
<
=
10 Th1 40
<
=
<
=
0 Th1 40
<
=
<
=
50 N
<
=
