'09•SRK-DB-087D
(6) Heating overload protective control
(a) Indoor unit side
1) Operating conditions :
2) Detail of operation :
(SRF, SRR:9th, FDTC:4th)
3) Reset conditions :
(b) Outdoor unit side
1) Operating conditions :
2) Detail of operation
3) Reset conditions:
(a)
Operating conditions:
(b)
Detail of operation:
(7) Heating low outdoor temperature protective control
(c) Reset conditions:
-8 -6 4 6
Lower limit 40 rps (model 50:45 rps)
Lower limit 35 rps
Normal operation
Outdoor air temperature(°C)
6
h
h
h
10 or 17
(model 60 ~ 80:13 )
A or C
B or D
B or D
B or D.
(model 60 ~ 80:11 ).
8
h
h
4
ާޓ
ޓ
ޓޓޓޓޓޓޓޓޓޓޓޓޓ
ި
11(8) 13(10) 16 17
OFF
Upper C
Lower D
Upper A
Lower B
Outdoor air temperature( )
Item
Model
SCM40, 45
SCM50
SCM60, 71, 80
90
90
90
A
35
35
30
B
75
75
75
C
40
40
40
D
Unit: rps
Note(1) Value in ( ) are for the model SCM40, 45.
or 17
when the thermo becomes OFF, the speed is
º
'09•SRK-DB-087D
(11) Compressor overheat protection
(a) Purpose:
(b) Detail of operation
1)
Discharge pipe temperature (˚C)
(Example) Fuzzy
95 105 115
2)
(12) Current safe
(a) Purpose:
(b) Detail of operation:
Cooling Heating
Lower limit speed
Item
Model
3 minutes
3 minutes
3 minutes
105
115
95
105
95
105
3 minutes
3 minutes
115
40 ~ 50
60 ~ 80
32 rps 32 rps
32 rps25 rps
(13) Current cut
(a) Purpose:
(b) Detail of operation:
(14) Outdoor unit failure
(15) Indoor fan motor protection (Refer to the FDTC series by 23 page)
compressor command
(SRF:150)
300
h
(c) Current safe control value: Set this using the jumper wire (J1 or J2) on the outdoor PCB. Control starts
when it exceeds the control value.
1) Switching with jumper wire
Jumper wire (J2)
Short-circuit
(At shipping from factory)
Short-circuit
Jumper wire (J1)
Short-circuit (At shipping from factory) Current safe
①
Current safe
②
Open Current safe
③
Current safe
③
(b) Detail of operation
The crankcase heater operates, warming up the compressor, then refrigerant begins circulating smoothly when the cooler
starts its heating operation, and heating begins.
(c) Restoration conditions
When the temperature detected by the outdoor air temperature (Th2) reaches 12°C or higher, or the operation mode chang
-
es from stop to cooling or heating.
(10) Inching prevention
When the compressor becomes to the thermo operation within 5 minutes since operation start or becomes dehumidifying opera
-
tion, the operation is continued with the compressor command speed of minimum rps forcibly.
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