Daewoo ERF-310, ERF-340, ERF-370 Service Manual
C O N T E N T S
1. Model specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Types of the approved safety standards . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. External drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4. Name of parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5. Air flow diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6. Refrigerant cycle diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7. Machine room view and part list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8. Component dissassembly pictures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
9. Component specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10. Explode drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11. Part lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12. PCB control functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
13. Main PCB diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
1
1. SPECIFICAT I O N S
1. Specifications
Model Name ERF-310 ERF-340 ERF-370
Division M A M A M A
Refrigerant(R134a) 150g <– <– <– 160g <–
Cooling system Fan cooling convection
Refrigration system Air forced convection
Defrost system Fin evaporator forced
Defrost operation Automatic start and stop
Cold control Dialing Button Dialing Button Dialing Button
Gross Freezer 93 <– 93 <– 112 <–
Capacity Refrigerator 218 <– 248 <– 251 <–
(l.) Total 311 <– 341 <– 363 <–
External Height 1780 <– 1911 <– 2000 <–
Dimension Width 600 <– <– <– <– <–
(mm) Depth 618 <– <– <– <– <–
Net weight (Kg) 69 <– 75 <– 79 <–
Energy class C grade
Power consumption (kWh/24h) 1 . 4 5 1 . 4 8 1 . 5 1 . 5 4 1 . 5 8 1 . 6 2
Freezing capacity (kg/24h) 5 6 . 5 5 6 . 5 6 7 . 5
Autonomy (F room) 12 h
Rated input 120 125 120 125 130 135
Lamp rated input (W) 15
Rated voltage AC 230/50 Hz
Note) A: Electronic control type
M: Manual control type
2. Types of the approved safety standards
3
2. EXTERNAL D R AW I N G S
1. ERF-310M, 340M, 370M
2. ERF-310A, 340A, 370A
4
3. WIRING DIAGRAMS
1. ERF-310M, 340M, 370M
2. ERF-310A, 340A, 370A
5
4. NAME OF
1. ERF-310M, 340M, 370M
1. Removable shelf (ERF-310 series: 2 shelves and
ERF-340,370 series: 3 shelves), glass or crystal
clear plastic depending on model.
2. Light.
3. Multi air-flow duct.
4. Refrigerator and freezer temperature control
knob.
5. Low temperature compartments.
6. Vegetable bin. Two bins or one bin; in case of
one bin item (15) won´t be applied depending
on model.
7. Rating plate. It is attached in the refrigerator
compartment on the left-hand side next to the
vegetable bins.
8. Ice cube tray.
9. Compartment for storing and freezing.
10. Butter pocket.
11. Removable pocket (for egg tray)
12. Egg tray.
13. Removable pocket (not in ERF-310M)
14. Bottle pocket.
Pocket assembled with plastic bottle fixture
(“A” type) or with metal bar (“B” type) depending on model.
15. R door pocket (depending on model).
16. Adjustable feet.
2. ERF-310A, 340A, 370A
1. Removable shelf (ERF-310 series: 2 shelves and
ERF-340,370 series: 3 shelves), glass or crystal
clear plastic (depending on model).
2. Light.
3. Multi air-flow duct.
4. Refrigerator temperature control.
5. Low temperature compartments.
6. Vegetable bin.
Two bins or one bin; with one bin, item (16)
will not be applied (depending on model).
7. Rating plate. Positioned in the refrigerator compartment on the left-hand side next to the
vegetable bins.
8. Ice cube tray.
9. Compartment for storing and freezing.
10. Freezer temperature control.
11. Butter pocket.
12. Removable pocket (for egg tray)
13. Egg tray.
14. Removable pocket (not in ERF-310A).
15. Bottle pocket.
Pocket assembled with plastic bottle fixture
(“A” type) or with metal bar (“B” type) depending on model.
16. R door pocket (depending on model).
17. Adjustable feet.
6
5. AIR FLOW DIA -
Refrigerator room
Do not place frozen
food near the duct
If may freezze due to
low temperature
Fresh food preserving
case (Chilled case)
Used for storing fish or
meat
Air circulation in the
freezer compartment
Cold air flow comes
out from the front
hole and comes into
the lower hole in
louver
Case vegetable
Suitable in storing
fruits or vegetable
Wrapping can prevent
from dryness
Freezer room
Do not put it any
bottle such as beer or
beverage because it
can be frozen or
broken
7
6. REFRIGERANT CYCLE DIA -
8
7. MACHINE ROOM VIEW A N D
NO PART NAME NO PART NAME NO PART NAME
1 ASS´Y BOX POWER 9 CASE VAPORI 17 ABSORBER VAPORI CASE
2 BASE COMP. AS 10 HARNESS EARTH 18 COMPRESSOR
3 ASS´Y WI-CON 11 PIPE CHARGE 19 SCREW MACHINE
4 SUCTION PIPE AS 12 HOT PIPE 20 SPECIAL SCREW C.
5 DRYER AS 13 PIPE SUCTION CONN 21 SPECIAL WASHER
6 BASE CAB. 14 CONN. B 22 ABSORBER PIPE B
7 COVER RELAY BOX 15 ABSORBER COMP. 23 ABSORBER PIPE C
8 BAND RELAY 16 FIXTURE COMP.
9
8. COMPONENTS DISASSEMBLY P I C -
1. Control Box
1. ERF-310A, 340A, 370A
1) Remove 2 fixing screws
2) Pull forward and down Control Box
3) Detach Hall Pcb harness
2. Hall Pcb
1. ERF-310A, 340A, 370A
1) Remove knob control fixing screw
Take out knob control
1 0
2) Remove flap link fixing screw
Take out flap link
3) Remove Hall Pcb As by pressing the fixture
ribs with the fingers
Components disassembly pictures
3. LOUVER F-A
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
1) Remove 2 fixing screws
2) Remove Louver F A with hand
1 1
Components disassembly pictures
4. Louver F-B
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
1) Detach the harness by pressing the housing
with the fingers
2) Remove 2 fixing screws
3) Take out Louver F B by hand
5. Fan Motor
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
1) Remove a fixing screw
1 2
2) Take out Fan Motor by pressing the housing
6. Evaporator
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
Components disassembly pictures
1) Detach Fuse Temp and Defrost Heater harness
using a flat screwdriver.
2) Detach Swich Bi-Metal (M-type) or D-sensor
(A-type) harness by pressing the housing
with the fingers
3) Remove 2 welded points
1 3
Components disassembly pictures
4) Remove 2 evaporator fixing screws
5) Extract evaporator forward with minimising the
pipe deformation after grasping the both sides of
evaporator and pulling accumulator slighty forward
7. Defrost Heater
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
1) Remove the cable tie
2) Bend 2 small aluminium fixture ribs with
a screwdriver
1 4
3) Bend the big aluminium fixture rib by hand
4) Take out Defrost Heater
Components disassembly pictures
8. Fuse Temp
1. ERF-310A, 340A, 370A, 310M,
340M, 370M
1) Open the rib with a screwdriver and
take out Fuse Temp
9. D-Sensor
1. ERF-310A, 340A, 370A
1) Open the rib with the hand and take out D-Sensor
1 5
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