Friedrich D70D Guide

Models D25D, D50D, D70D
Dehumidifier
Service & Parts Manual
Dehumidifier-2010 Svc Parts (4-2010)
Important points on service, and Flow chart
for inspecting and repairing the unit
Troubleshooting
Appearance and Control panel
Technical specifications
Refrigerator system diagram
Schematic wiring diagram
Exploded view and Parts Lists
Warranty
............... 1
............................................. 2
........................ 3
.............................. 4-6
.......................... 7
.............................. 8
................... 9-12
....................................................... 13
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IMPORTANT POINTS ON SERVICE OPERATING SAFETY
Please follow these instructions carefully :
FLOW CHART FOR INSPECTING AND REPAIRING THE UNIT
- 1 -
Unplug the unit to avoid any danger from electric shock before disassembling the unit for
repair.
If there is any sound of the refrigerant circulating when in operation, avoid touching the
cooling coils.
If you need to perform any welding or soldering, be sure you are in a well ventilated area.
Only a qualified professional should perform any welding on the unit.
When repairing the unit, the specifications listed in this manual must be strictly adhered
to when replacing any components.
When replacing any electrical components they should be factory approved units.
Be sure that any electrical components are properly wired and in place.
Electricity shutdown Dehumidifier
doesn't work
Check if drain bucket
water level switch
is broken
Check fuses on
main switch Can not dehumidify Humidity sensor
is broken
Humidity setting on
continuous operation
Over load protector is
faulty
Check if air filter is
clogged
Capacitors are faulty Compressor doesn't
work
Refrigerant is leaking
Maintain
&
repair system
Supply Nitrogen 15Kg/cm² from low
pressure side and locate the leakage
Use oxygen acetylene and 5% silver
iron to fill cracks and holes
Pump vacuum for at
least 15 minutes
After filling with
refrigerant proceed to test run
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Solution
TROUBLESHOOTING
Problem
- 2 -
Possible causes
Dehumidifier
doesn't work
Fan doesn't work
Evaporator is
frosted
Can not
dehumidify or the
dehumidifcation
volume is too low
Loud noise and
vibration
Dehumidification
water overflows
Compressor
doesn't work
Motor is broken
Bad plug or wire is broken
Low voltage
Filter is too dirty
Uneven floor
Low temp and humidity
Refrigerant is leaking
Filter is dirty
Compressor is broken
Still under the 3 min
protection
Electricity shutdown or low
voltage
Sound of flowing water
Micro switch is broken
Drain bucket is broken
Environment temp is too low
Motor or compressor is loose
Repair or replace
Repair or replace
Call the local electricity
company
Clean filter
Move to level place or use
blocks
Normal
Detect the leakage and fill with
refrigerant
Clean filter
Repair or replace
Wait until if goes back to
function after 3 min
Wait for electricity to be
restored
Normal, it is the sound when
the refrigerant is flowing
Repair or replace
Repair or replace
Stop use temporarily
Tighten screws
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APPEARANCE
- 3 -
OUTLET FOR
DEHUMIDIFIED
DRY AIR
CONTINUOUS
DRAINAGE HOLE
Electricity cable
ROLL CASTORS
DRAIN BUCKET
MOIST AIR
INTAKE
HANDLE
CONTROL PANEL AIR FILTER
BUCKET FULL LAMP
Water tank is full,and
lamp lights.
FAN SPEED
High / Low
POWER
On / Off
CONTROL PANEL
DEFROST LAMP
When low temperature,
unit gets into defrosting
mode and lamp lights.
TIMERS
When unit operates, press
"TIMER" set hours unit will off
after set hours.
When unit stand-by, press
"TIMER" set hours unit will on
after set hours.
Setting timer from 1~24 hours.
To cancel the timer, proceed
as above but set the "timer off"
to zero hours.
When machine is running, it displays the current temperature. Press
the "Timer" button to set the machine to shut off automatically after a
specified amount of time. 10 seconds after displaying the timer, the
display will change back to current temperature.
CURRENT TEMP / TIMER SET DISPLAY
When machine is running, it displays the current
humidity. Press "▲" or "▼" to select humidity
setting. The humidity is adjusted in an increment
of 5% by each pressing of "▲" or "▼". Adjustable
range is within 30%RH to 90%RH. 10seconds
after setting humidity, the display will change
back to the current humidity.
SET HUMIDITY / CURRENT HUMIDITY DISPLAY Press the ℃/℉
switch buttons,
it will switch at
sequence of
℃ and ℉.
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TECHNICAL SPECIFICATIONS
DEHUMIDIFYING CAPACITY Pint/day
WIRE SPECIFICATION 10A 125V 18AWG*3C
- 4 -
25 (at 80°F , 60%RH)
ITEM UNIT
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
COMPRESSOR
OPERATING
CYCLE
PROTECTOR
MODEL
INPUT
POWER
CAPILLARY
CONDENSER
REFRIGERANT
WEIGHT
13.46(W) * 21.46(H) * 9.84(D)
115 / 60
300
35/300
0.086(O.D.)*0.047(I.D.)*19.685(L)
2R10S21FPI
D25D
32
MODEL
INPUT
POWER
FAN MOTOR
LS-16T2-04
47
5/250
OPERATING
CYCLE
EVAPORATOR 1R10S21FPI
Inches
V/Hz
A
W
uF/V
Inches
R410A/oz
Lbs
W
uF/V
4.6
35D042-A2-ABDA
MRA12228-12095
5.28
WATER TANK CAPACITY Pint 11
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TECHNICAL SPECIFICATIONS
- 5 -
DEHUMIDIFYING CAPACITY Pint/day
WIRE SPECIFICATION 10A 125V 18AWG*3C
50 (at 80°F , 60%RH)
ITEM UNIT
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
COMPRESSOR
OPERATING
CYCLE
PROTECTOR
MODEL
CAPILLARY
CONDENSER
REFRIGERANT
WEIGHT
115 / 60
40/300
0.086(O.D.)*0.047(I.D.)*39.37(L)
2R12S21FPI
D50D
44
MODEL
INPUT
POWER
FAN MOTOR
LS-16T2-02-N2
47
6/250
OPERATING
CYCLE
EVAPORATOR 2R12S21FPI
V/Hz
A
uF/V
R410A/oz
W
uF/V
5.9
35D052-A2-ABLL
MRA12274-12095
9.32
WATER TANK CAPACITY 16
14.96(W) * 23.43(H) * 12.01(D)
Inches
Lbs
Pint
Inches
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TECHNICAL SPECIFICATIONS
- 6 -
DEHUMIDIFYING CAPACITY Pint/day
WIRE SPECIFICATION 10A 125V 18AWG*3C
70 (at 80°F , 60%RH)
ITEM UNIT
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
COMPRESSOR
OPERATING
CYCLE
PROTECTOR
MODEL
CAPILLARY
CONDENSER
REFRIGERANT
WEIGHT
115 / 60
40/300
0.086(O.D.)*0.047(I.D.)*31.50(L)
2R12S21FPI
D70D
44
MODEL
INPUT
POWER
FAN MOTOR
LS-16T2-06
47
6/250
OPERATING
CYCLE
EVAPORATOR 2R12S21FPI
V/Hz
A
uF/V
A
R410A/oz
W
uF/V
7.7
41T068-A2-AMLI
MRA12272-12082
12.03
WATER TANK CAPACITY 16
14.96(W) * 23.43(H) * 12.01(D)
Inches
Lbs
Pint
Inches
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EVAPORATOR
CONDENSER
CAPILLARY TUBE DRYER
COMPRESSOR ASS'Y
FAN MOTOR
PTC(HEATER)
- 7 -
REFRIGERATOR SYSTEM DIAGRAM
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SCHEMATIC WIRING DIAGRAM
NO
COM.
CN 3
FAN-L
F/MOTOR
L
E
WHITE
BLUE
T.sensor
CN 4
MICRO
SWITCH
TRANSFORMER
CN 1
CN 2
BLUE
FUSE
YELLOW
CONTROL BOARD
CN 1
N
N1
N2
BLUE
WHITE
CAPACITOR
RED
115V~60Hz
COMPRESSOR
N
RED
OLP
WHITE
BLUE
CAPACITOR
T3.15AL 125V
H.sensor
CN 7
BLACK
BROWN
BLUE
CN 8
CN 2
CN 6
FAN-H
P6 P7
D6951-900
- 8 -
SCHEMATIC WIRING DIAGRAM
NO
COM.
CN 3
P6 P7
COMPRESSOR
F/MOTOR
N
L
E
WHITE
BLUE
RED
T.sensor
CN 4
MICRO
SWITCH
TRANSFORMER
CN 1
CN 2
BLUE
U
FSE
YELLOW
CONTROL BOARD
CN 1
N
N
N
BLACK
WHITE
CAPACITOR
RED
115V~60Hz
OLP
WHITE
BLUE
CAPACITOR
T3.15AL 250V
CN 7
H.sensor
BLACK
CN 8
CN 2
CN 5
FAN-L FAN-H
D6951-870
D25D
SCHEMATIC WIRING DIAGRAM
SCHEMATIC WIRING DIAGRAM
D50D, D70D
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EXPLODED VIEW
2
1
3
4
5
6
7
37
9
8
11
12
22
23
25
26
31 10
17
16
42
47
44
43
48
15
18
19
20
21
39
40
38
35
27
33
41
36
32
14
46
45
51
13
24
28
29
30
34
50
49
- 9 -
D25D
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