Split Type Installation Manual
35
EN
9 PCB Explanation
9.1
PCB Mono
9.1.1 Electronic function
- Electric Control working environment
• Input voltage: 220~240V
• Input power frequency:50Hz
• Ambient temperature: -7°C~+43°C
• Indoor fan normal working amp is less than 1A,
• Outdoor fan. Normal working amp is less than 1.5A
• Four-way valve normal working amp is less than 1A.
• Swing motor: DC12V.
• Compressor: single-phase power supply.
Its normal working amp is less than 15A
- Proper symbols and their meanings:
TA
:
Indoor ambient temperature
TE
:
Indoor evaporator temperature
TS
:
Setting temperature through the remote controller
IPROTECT
:
Self-protection amp of compressor
IRESTORE
:
Amp self-protection return value
TE1
:
Anti-cold wind, from Fan Off to Breeze temperature
TE2
:
Anti-cold wind, from Breeze to Setting Fan Speed
temperature
TE3
:
Anti-cold wind, from Setting Fan Speed to Breeze
temperature
TE4
:
Anti-cold wind, from Breeze to Fan Off temperature
TE5
:
Evaporator low temperature protection entering
temperature
TE6
:
Evaporator low temperature protection restoring
temperature
TE7
:
Evaporator high temperature protection, compressor
off temperature
TE8
:
Evaporator high temperature protection, fan off
temperature
PCB Explanation 9
9.1.2 Systematic functions
• Remote receiving
• Turbo
• Position set for indoor unit wind vane
• LED displaying and alarm
• On or off Timer
• Protection for the compressor
• Current protection
• High temperature protection of indoor heat
exchanger under heating mode
• Auto defrosting and heating recovery under heating mode
• Anti cold air under heating mode
• Anti-freezing under cooling mode
• Defrosting operation under heating mode
9.1.3 Protection
• The compressor functions protection with a delay
of three minutes.
• 2 Sensor protection at open circuit and breaking
disconnection; Temperature Fuse break protection
• The current protection of the compressor takes
effect at too heavy current of it. Its controlling
regulations are as the follows.
Condition
Compressor
Amps up
I< IRESTORE
On
IRESTORE <I<IPROTECT
On
IPROTECT <I
Off
Amps down
IPROTECT <I
Off
IRESTORE <I<IPROTECT
Off
I< IRESTORE
On
9.1.4 Fan-only mode
Fan speed is high/mid/low/ Auto
9.1.5 Cooling mode
• The 4-way valve is closed under cooling mode.
• The action of the compressor and the outdoor fan:
Condition
Compressor Outdoor fan
Temp. Up
T> Ts+1
On
On
T< Ts+1
Off
Off
Temp. down
T> Ts-1
On
On
T< Ts-1
Off
Off
Summary of Contents for V 12-025 HWI
Page 30: ...Split Type Installation Manual 30 8 Photographs 8 5 Compresor 050 W 8 6 Compresor 065 W...
Page 31: ...Split Type Installation Manual 31 EN Photographs 8 8 7 PCB 025 035 MULTI...
Page 32: ...Split Type Installation Manual 32 8 Photographs 8 8 PCB 025 035W MONO...
Page 33: ...Split Type Installation Manual 33 EN Photographs 8 8 9 PCB 050 065W MONO...
Page 34: ...Split Type Installation Manual 34 8 Photographs 8 10 PCB OUTDOOR MULTI...
