DOWNLOAD LG LT-B3680HL Service Manual ↓ Size: 1.65 MB | Pages: 45 in PDF or view online for FREE

Model
LT-B3680HL
Pages
45
Size
1.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lt-b3680hl.zip
Date
PREV: LG LT-B2421CL / LT-B2421HL / LT-B2461CL / LT-B2461HL / LT-B2821CL / LT-B2821HL / LT-B2861CL / LT-B2861HL / LT-B3021CL / LT-B3021HL / LT-B3621CL / LT-B3621HL / LT-B3661CL / LT-B3661HL / LT-B3681CL / LT-B3681HL Service Manual

LG LT-B3680HL Service Manual ▷ View online

Intake Air temp.                   
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(Compressor ON)
INDOOR FAN
Low
OFF         Low
Low
OFF
COMPRESSOR
ON
OFF
ON
OFF
A point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed, when 
it becomes lower than 35˚C fan stops.
B point; When the indoor Heat-Exchanger temperature is higher than 35°C, fan operates at seleted fan 
speed, when it becomes lower than 35°C, the fan operates at low speed for 10sec, after 10sec, it 
operates at seleted fan speed.
–12–
6. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Hot Start
Low
Selecting
Fan Speed
minimum  3min
Selecting fan
speed
minimum
10sec.
1min
A
A
minimum
1min.
minimum
10sec.
B
7. Hot-Start Control
The indoor fan stops until the evaporator piping temperature will be reached to 28°C.
The operation diagram is as following.
PIPING
TEMPERATURE
1min
COMPRESSOR
INDOOR FAN
ON
26
°
C
: Selected Fan
: Low Fan
: Fan Stop
28
°
C
Intake Air temp.                   
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(Compressor ON)
INDOOR FAN
Low
OFF         Low
Low
OFF
COMPRESSOR
ON
OFF
ON
OFF
A point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed, when 
it becomes lower than 35˚C fan stops.
B point; When the indoor Heat-Exchanger temperature is higher than 35°C, fan operates at seleted fan 
speed, when it becomes lower than 35°C, the fan operates at low speed for 10sec, after 10sec, it 
operates at seleted fan speed.
–12–
6. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Hot Start
Low
Selecting
Fan Speed
minimum  3min
Selecting fan
speed
minimum
10sec.
1min
A
A
minimum
1min.
minimum
10sec.
B
7. Hot-Start Control
The indoor fan stops until the evaporator piping temperature will be reached to 28°C.
The operation diagram is as following.
PIPING
TEMPERATURE
1min
COMPRESSOR
INDOOR FAN
ON
26
°
C
: Selected Fan
: Low Fan
: Fan Stop
28
°
C
Intake Air temp.                   
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(Compressor ON)
INDOOR FAN
Low
OFF         Low
Low
OFF
COMPRESSOR
ON
OFF
ON
OFF
A point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed, when 
it becomes lower than 35˚C fan stops.
B point; When the indoor Heat-Exchanger temperature is higher than 35°C, fan operates at seleted fan 
speed, when it becomes lower than 35°C, the fan operates at low speed for 10sec, after 10sec, it 
operates at seleted fan speed.
–12–
6. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Hot Start
Low
Selecting
Fan Speed
minimum  3min
Selecting fan
speed
minimum
10sec.
1min
A
A
minimum
1min.
minimum
10sec.
B
7. Hot-Start Control
The indoor fan stops until the evaporator piping temperature will be reached to 28°C.
The operation diagram is as following.
PIPING
TEMPERATURE
1min
COMPRESSOR
INDOOR FAN
ON
26
°
C
: Selected Fan
: Low Fan
: Fan Stop
28
°
C
Intake Air temp.                   
Setting temp.+3°C
(Compressor OFF)
Setting temp.
(Compressor ON)
INDOOR FAN
Low
OFF         Low
Low
OFF
COMPRESSOR
ON
OFF
ON
OFF
A point; While the indoor Heat-Exchanger temperature is higher than 35°C fan operates at low speed, when 
it becomes lower than 35˚C fan stops.
B point; When the indoor Heat-Exchanger temperature is higher than 35°C, fan operates at seleted fan 
speed, when it becomes lower than 35°C, the fan operates at low speed for 10sec, after 10sec, it 
operates at seleted fan speed.
–12–
6. Heating Mode Operation (Except Cooling Model)
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
Hot Start
Low
Selecting
Fan Speed
minimum  3min
Selecting fan
speed
minimum
10sec.
1min
A
A
minimum
1min.
minimum
10sec.
B
7. Hot-Start Control
The indoor fan stops until the evaporator piping temperature will be reached to 28°C.
The operation diagram is as following.
PIPING
TEMPERATURE
1min
COMPRESSOR
INDOOR FAN
ON
26
°
C
: Selected Fan
: Low Fan
: Fan Stop
28
°
C
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