TCL TRF-520WEXA+ User manual

Refrigerator Service Manual
TRF-520WEXA+
TCL Home Appliances (HeFei) Co., Ltd.

Contents
1.Product introduction
2.Exploded View of Product Structure
3.Product operation rules
4.Refrigeration system and electrical control
5.Instructions for Disassembly of Components and Parts
6.Maintenance instructions

1.Product introduction
TRF-520WEXDA+ is air-cooled side-by-side computer-temperature-control refrigerator, with
freezer chamber on the left and refrigerating chamber on the right.
The appearance modeling drawing is as follows:

Product features
-- Smart computer-temperature-control, air-cooled and frost-free
Adopt smart and convenient computer temperature control and visual operation, safe
and efficient air-cooled frost-free system;
-- Green and environmentally-friendly refrigerant
Adopt CFC-free material, R600a green and environmentally-friendly material, 80% of the
main materials can be recycled;
-- Adopt the air blowing in the left and right direction, so the refrigeration is even;
-- The body of box is ultra-thin, about 630mm, so it is easy to move into house;
-- Open the door at 90° and pull out the drawer without obstacles;
-- Display and control on the panel with metal effect;

Product appearance

Internal assembly of products
Refrigerating air duct assembly Upper freezing air duct
assembly
Lower freezing air
duct assembly

Freezing fan motor Air swing motor assembly
Evaporator Defrosting heater
Internal assembly of products

2. Exploded View of Product Structure

Serial
English Name
QTY
1
Upper left
1
2
Upper hinge left
1
3
Upper hinge right
1
4
Cold storage room air duct
1
5
Cold air duct cover plate
1
6
Upper right
1
7
Main control panel cover
1
8
Main control panel
1
9
lamp shade
2
10
LED lamp
2
11
Compressor
1
12
the drain
1
13
Cold storage door seal assembly
1
14
Cold storage glass shelf assembly
4
15
Frozenglass glass shelf assembly
4
16
On the drawer slide support iron assembly
2
17
On the drawer slide support iron assembly
2
18
Frozenglass glass shelf assembly
1
19
Cold storage glass shelf assembly
1
20
Frozen in the drawer
1
Detail list of cabinet parts

21
Cold storage drawer
1
22
The compressor compartment rear cover
1
23
Compressor
1
24
Water connecting plate
1
25
evaporation tube
1
26
the lawer right hinge components
1
27
Box assembly
1
28
Lower hinge
1
29
Bottle holder
4
30
According to cover
1
31
Bottle holder for freezer door
4
32
Freezer door body
1
33
Refrigerator door body
1
34
water pans
1
35
The freezer up duct
1
36
The freezer down duct
1
37
The freezing chamber door seal
1
38
The freezing evaporator
1
39
Power line component
1
Detail list of cabinet parts

3. Product operation rules
The TRF-520WEXA+ display panel is as follows:

First time to electricity
The first time to electricity, the cooling room runs at he 5℃ and the freezing room runs at the -18℃
The function of adjusting the temperature manually
Temperature adjustment in cooling room(2℃~8℃)
Under unlock status, long press “ ” key for 3 seconds until the icon switches to refrigerator
compartment.
Press “ ” key to adjust temperature in refrigerator compartment. And then the temperature drops
by 1℃ every time press “ ” key. The shift of refrigerator compartment stalls recycles around "08" -
"07" - "06" - "05 " - "04" - "03" - "02" - "OF" - "08". Stop button operation and wait for 5 seconds after
appropriate temperature is selected, and then set the temperature shift for confirmation.
Temperature adjustment of freezer compartment (-22℃~-15℃)
Under unlock status, long press “ ” key for 3 seconds until the icon switches to freezer compartment.
Press “ ” key to adjust temperature in freezer compartment. And then the temperature drops by
1℃ every time press “ ” key. The shift of freezer compartment stalls recycles around " -15 “ -"-16" -
“- 17"- "-18" - "-19" - "-20" - "-21" - "-22" -"-15". Stop button operation and wait for 5 seconds after
appropriate temperature is selected, and then set the temperature shift for confirmation.
Quick refrigerating function
Under unlock status, repeatedly press “ ” key until the “ ” icon flashes. Stop key operation
and wait for 5 seconds to enter quick refrigerating function of refrigerator compartment. Manually exit quick
refrigerating function through the same operation. Automatically exit quick refrigerating function after two
hours. When the “ ” function is on, set temperature to 2℃for refrigerator compartment, until the
function exits. (Under quick refrigerating status, adjust set temperature of refrigerator compartment to
automatically exit quick refrigerating function.

Open refrigerator door over three minutes exit quick refrigerating function under quick refrigerating status.)
Quick freezing function
Under unlock status, repeatedly press “ ” key until the “ ” icon flashes. Stop key operation
and wait for 5 seconds to enter quick freezing function of freezer compartment. Manually exit quick freezing
function through the same operation. Automatically exit quick freezing function after four hours in high
freezing status.
When the “ ” function is on, set temperature to -24℃ for freezer compartment, until the function exits.
(Under quick freezing status, adjust set temperature of freezer compartment to automatically exit quick freezing
function. Open freezer door over three minutes exit quick freezing function under quick freezing status.)
Intelligent function
Under unlock status, repeatedly press “ ” key until the “ ” icon flashes. Stop key operation and
wait for 5 seconds to enter intelligent function. Manually exit intelligent function through the same operation.
When the “ ” function is on, the refrigerator will automatically monitor the status of all compartments
and run efficiently . Under intelligent status, the refrigerator can automatically enter quick-refrigerating or quick
freezing function according to the temperature in refrigerator and freezer compartments. (Setting other
functions under intelligent status can automatically exit intelligent function.)
Child lock function
Under unlock status, enter “ ” function:
Automatically on: the child lock function is automatically on after no key operation for 30 seconds,“ ”
icon is lit, and the key board is locked;
Exit child lock: when the “ ” icon is lit, long press “ ” key for 3 second to unlock.

Refrigerating close function
Under unlock status, long press “ ” key for 3 seconds until the temperature icon switches to refrigerator
compartment, press “ ” key to adjust temperature for refrigerator compartment. Stop key
operation and wait for 5 seconds when the shift of refrigerator compartment is at "OF" to enter refrigerating
close function. Refrigerating close function exits when the shift of refrigerator compartment is not at "OF".
(Setting other functions under refrigerating close status can automatically exit refrigerating close function.
Attention: take the food out of refrigerator compartment before the refrigerating close function is on.)
The refrigerator compartment enters close status when the “Refrigerating close” function is on.
Power-off memory
When the power is cut off, the instantaneous working state of blackout will be locked and resume the state
after power on.
Door alarm
When the refrigerator or freezer door is not well closed or open for over 1 minute, the buzzer siren will send off
sound. Press down any key to stop alarming and the siren sounds “beep, beep, beep” again after I minute;
close refrigerator or freezer door to stop alarming.
Freezer compartment temperature reminder
When the temperature of freezer compartment is higher than -12℃, the corresponding temperature area
is lit, the digital area flashes. Press down any key to display temperature of freezer compartment when the
power is on, press again or wait for 10 seconds to restore normal display state.
Display protection function
The refrigerator will enter display protection function without any key operation for 30 seconds, and the key board
is locked automatically . Under display protection mode, press any key to exit display protection function.

Technical Parameters

4. Refrigeration system and electrical control
Compressor
Filter drier
Capillary tube
Condenser
Anti-condensation pipe
Fin evaporator
Evaporation coil

Evaporator outlet, connection
pipe for air return pipe
The fixed position of Defroster sensor,
sensor is fixed on the outside of the
baffle
Water tray is coated with
aluminum foil
Reservoir
The fixed position of the evaporator
foam is about the position of Row 5.6
at the downwards of the left and
right, respectively.
Schematic diagram of freezer chamber
Evaporator inlet, connection pipe for
capillary tubes
Heating tube of defroster
The foam block is wrapped with
aluminum foil

Exhaust pipe and evaporation
coil inlet (copper-steel)
Evaporation coil outlet and dew
prevention pipe inlet (steel-steel)
Dew prevention pipe outlet and
condenser inlet (steel-steel)
Condenser outlet and dry
filter inlet (steel-copper)
Air return pipe outlet and air return
transition pipe inlet (copper-copper)
Process pipe connectors
(copper-copper)
Air return transition pipe outlet and
air suction pipe (copper-copper)
Dry filter outlet and capillary inlet
(copper-copper)
Schematic diagram of welding the pipeline for compressor chamber

Electric control
1. Electrical Control Circuit Diagram

5.Instructions for Disassembly of Components and Parts
1) Disassembly of display panel:
1. Wear anti-static gloves to pull out the display panel with a sucker, and then press the buckle to remove the
display panel from the panel, taking care not to break the buckle, and then pull out the connector to replace it.
2. When assembling the display panel and the real panel, take care that the spring position of the key on the
display panel shall not be skewed, and the spring shall correspond to the corresponding location ring on the
display panel, otherwise the key will not work.
3. Install it in reverse order during assembly.