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17
Electronic control function
17.1 Abbreviation
T1: Indoor ambient temperature
T2: Coil temperature of indoor heat exchanger middle.
T2B: Coil temperature of indoor heat exchanger outlet(This sensor is located in outdoor unit)
T3: Coil temperature of outdoor heat exchanger
T4: Outdoor ambient temperature
T5: Compressor discharge temperature
Ts: Setting temperature
17.2 Electric control working environment.
17.2.1 Input voltage: 198V~264V.
17.2.2 Input power frequency:50Hz.
17.2.3 Indoor fan normal working amp. is less than 1A.
17.2.4 Outdoor fan. normal working amp. is less than 1.5A.
17.2.5 Four-way valve normal working amp. is less than 1A.
17.3 Outdoor unit
’s digital display tube
There is a digital display tube in outdoor PCB.
Digital display tube display function
In standby , the LED displays “- -”
In compressor operation, the LED display the running frequency,
In defrosting mode, The LED displays “dF” or alternative displays between running frequency and
“dF”(each displays 0.5s)
In compressor pre-
heating, The LED displays “PH” or alternative displays between running frequency
and “PH”(each displays 0.5s)
During the oil return process, The LED d
isplays “RO” or alternative displays between running
frequency and “RO”(each displays 0.5s)
In low ambient cooling mode, the LED displays “LC” or alternative displays between running
frequency and “LC”(each displays 0.5s)
In forced cooling mode, the L
ED displays “FC” or alternative displays between running frequency and
“FC”(each displays 0.5s)
When PFC module protection occurs three times within 15 minutes,
the LED displays “E6” or
alternative displays between running frequency and “E6”(each displays 0.5s)
In protection or malfunction, the LED displays error code or protection code.
Summary of Contents for 38QUS014DS2 series
Page 1: ...SUPER INVERTER SERIES MULTI TYPE Service Manual 2018...
Page 14: ...11 5 Easy operation 6 Remote control and optional wired control method...
Page 17: ...14 3 3 Console 1 6 D ra in p ip e 1 9 5 H a n g in g a rm 7 0 0 6 0 0 2 1 0...
Page 20: ...17 3 6 Ducted A5...
Page 21: ...18 A6...
Page 25: ...22 4 5 Ceiling Floor Type 4 6 Hi wall...
Page 26: ...23 5 Wiring diagram 38QUS014DS2 38QUS014DS2 2 38QUS018DS2 2 38QUS018DS2...
Page 27: ...24 38QUS021DS3 38QUS027DS3...
Page 28: ...25 38QUS028DS4 38QUS036DS4...
Page 29: ...26 38QUS042DS5 42QHC007D8S 42QHC009D8S 42QHC012D8S 42QHC018D8S 42QHC024D8S 16022000A83297...
Page 30: ...27 42QTD007D8S 42QTD009D8S 42QTD012D8S 42QTD018D8S 42QTD009DS 42QTD012DS 42QTD018DS 42QTD024DS...
Page 31: ...28 42QSS012DS 42QSS007D8S 42QSS009D8S 42QSS012D8S...
Page 32: ...29 42QSS018DS 42QSS024DS 42QZA009DS 42QZA012D8S 42QZA018DS...
Page 33: ...30 6 Static Pressure A5 Ducted...
Page 50: ...47 13 Wiring diagram 38QUS014DS2 38QUS014DS2 2 38QUS018DS2 38QUS018DS2 2...
Page 52: ...49 38QUS027DS3 38QUS036DS4...
Page 53: ...50 38QUS042DS5...