73
11.3. Safety device
11.3.1. Indoor unit
Note : Protection controlled by P.C.B installed of FM inside.
11.3.2. Outdoor unit
1MPa = 10.2kgf/cm
2
Indoor unit CS-F50MD1E5
For fan motor current protection
Internal OFF C 135
protector (49F) ON C85
For control protection
Fuse CUT A 3.15
Outdoor unit Heat pump
model
50Hz CU-L50DBE5 CU-L50DBE8
For refrigerant cycle
High pressure OFF
MPa
4.15 4.2
switch ON
MPa
3.3 3.3
For compressor over current
protection for cooling mode
CT1 frequency down OFF A 22.5 10
RESET A 17.5 6
CT2 compressor stop OFF A 27.5 14
For compressor over current
protection for heating mode
CT1 frequency down OFF A 25.2 12
RESET A 17.5 6
CT2 compressor stop OFF A 30 16
Discharge temp protection
Discharge temperature Compressor C
Td 110C Comp OFF
thermistor (Td) OFF
Td 110C x 3 times within 1 hour display error code
Liquid compress protection
Crankcase heater - W 33 33
For fan motor protection
Internal OFF C 135 135
protector (49F) ON C87 87
For condensation temperature
protection control OFF C58 58
Heat exchanger RESET C54 54
thermistor (Th)
For control protection
Fuse CUT A 6.3 6.3
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