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
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
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
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 "â–²" or "â–¼" to select humidity
setting. The humidity is adjusted in an increment
of 5% by each pressing of "â–²" or "â–¼". 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 ℉.
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
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
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
EVAPORATOR
CONDENSER
CAPILLARY TUBE
DRYER
COMPRESSOR ASS'Y
FAN MOTOR
PTC(HEATER)
- 7 -
REFRIGERATOR SYSTEM DIAGRAM
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
F
U
S
E
YELLOW
CONTROL BOARD
CN 1
N
N1
N2
BLUE
WHITE
CAPACITOR
RED
115V~60Hz
COMPRESSOR
N
RED
O
L
P
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
F
S
E
YELLOW
CONTROL BOARD
CN 1
N
N
N
BLACK
WHITE
CAPACITOR
RED
115V~60Hz
O
LP
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
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
D25D Ser vice Par ts List
Friedrich Par t #
Description
Qty
1
2
3
4
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
BASE PAN
CASTERS
COMPRESSOR ASS'Y
COMPRESSOR GROMMETS
PLATE
MICRO SWITCH
FIXTURE
BAR
CAPACITOR (35uF/300V)
COVER
CAPACITOR STRAP
EVAPORATOR ASS'Y
CONDENSER ASS'Y
STRAINER
CAPILLARY TUBE
INNER WALL (MOTOR MOUNT)
FAN MOTOR
BLOWER WHEEL
FAN SHROUD
PLASTIC CAPACITOR (5uF/250V)
CAPACITOR COVER
CAPACITOR MOUNT
CONTROL HOUSING
ELECTRONIC CONTROL BOARD
CONTROL PANEL BOARD
SENSOR
THERMISTOR SENSOR
TRANSFORMER
CONTROL HOUSING COVER
POWER SUPPLY CORD
FIX TUBE
LEFT RAIL
RIGHT RAIL
CONTROL PANEL OVERLAY
DISCHARGE GRILLE
DECORATIVE PANEL
REAR PANEL
LEFT SIDE PLATE
RIGHT SIDE PLATE
SOFT PLUG CAP
SCREW-IN PLUG CAP
WASHER
DRAIN PIPE
DRAIN BUCKET
FLOAT
TANK HANDLE
DECORATING TANK FRONT
AIR FILTER
679-041-52
679-042-07
679-041-24
679-041-65
679-041-68
679-041-00
679-041-76
679-042-08
679-041-11
679-041-08
679-041-05
679-041-29
679-041-32
679-041-28
679-041-85
679-041-54
679-041-21
679-041-57
679-041-55
679-041-13
679-041-84
679-041-81
679-041-77
679-041-15
679-041-16
679-041-19
679-041-17
679-041-20
679-041-82
679-041-34
679-041-79
679-041-71
679-041-73
679-041-50
679-041-46
679-041-42
679-041-39
679-041-35
679-041-37
679-042-06
679-042-05
679-041-17
679-042-01
679-041-60
679-041-62
679-041-48
679-041-44
679-042-02
Notes
- 10 -
Ref #
1
4
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
EXPLODED VIEW
2
1
3
4
5
6
7
28
9
8
10
12
38
40
13
15
17
50
33
32
52
53
54
35
45
49
23
41
51
60
14
62
11
39
D50D, D70D
56
25
24
26
27
44
16
42
46
47
61
43
48
22
29
21
58
55
59
18
57
19
20
30
34
37
36
63
31
- 11 -
- 12 -
D50D & D70D Ser vice Parts List
Friedrich Par t #
Description
Qty
1
2
3
4
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
62
63
BASE PAN
CASTERS
COMPRESSOR ASS'Y
COMPRESSOR GROMMETS
PLATE
MICRO SWITCH
FIXTURE
CAPACITOR (40uF/300V)
CAPACITOR STRAP
COVER
CONTROL HOUSING
CONTROL HOUSING COVER
ELECTRONIC CONTROL BOARD
CONTROL PANEL
TRANSFORMER
SENSOR
THERMISTOR SENSOR
FIX METAL
WATER PUMP
GROMMETS FOR PUMP
PUMP HOSE CONNECTOR
PUSH BUTTON SWITCH FOR PUMP
FIX TUBE
MICRO SWITCH
QUICK CONNECTOR FOR PUMP
DRAIN BUCKET COVER
MICRO SWITCH
EVAPORATOR ASS'Y
CONDENSER ASS'Y
STRAINER
CAPILLARY TUBE
INNER WALL / MOTOR MOUNT
FAN SHROUD
FAN MOTOR
BLOWER WHEEL
PLASTIC CAPACITOR (6uF/250V)
CAPACITOR MOUNT
CAPACITOR COVER
POWER SUPPLY CORD
FIX TURE
LEFT RAIL
RIGHT RAIL
REAR PANEL
DISCHARGE GRILLE
CONTROL PANEL OVERLAY
DECORATIVE PANEL
STRIKE
DECORATING PLATE FOR BASE
LEFT SIDE PLATE
RIGHT SIDE PLATE
SCREW IN PLUG CAP
SOFT PLUG CAP
DRAIN BUCKET
DECORATIVE TANK FRONT
FLOAT
FLOAT CAP
TANK HANDLE
AIR FILTER
DRAIN PIPE
WASHER
679-041-53
679-042-07
679-041-25
679-041-67
679-041-69
679-041-00
679-041-76
679-041-12
679-041-06
679-041-09
679-041-78
679-041-82
679-041-15
679-041-16
679-041-20
679-041-19
679-041-18
679-041-75
679-041-01
679-041-66
679-041-04
679-041-03
679-041-07
679-041-00
679-041-02
679-041-83
679-041-10
679-041-30
679-041-33
679-041-28
679-041-86
679-041-59
679-041-56
679-041-22
679-041-58
679-041-14
679-041-81
679-041-84
679-041-34
679-041-80
679-041-70
679-041-72
679-041-40
679-041-47
679-041-51
679-041-43
679-041-74
679-041-45
679-041-36
679-041-38
679-042-05
679-042-06
679-041-61
679-041-41
679-041-63
679-041-64
679-041-49
679-042-03
679-042-01
679-041-27
Notes
Ref #
1
4
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
679-041-53
679-042-07
679-041-26
679-041-67
679-041-69
679-041-00
679-041-76
679-041-12
679-041-06
679-041-09
679-041-78
679-041-82
679-041-15
679-041-16
679-041-20
679-041-19
679-041-18
679-041-75
679-041-01
679-041-66
679-041-04
679-041-03
679-041-07
679-041-00
679-041-02
679-041-83
679-041-10
679-041-31
679-041-33
679-041-28
679-041-87
679-041-59
679-041-56
679-041-23
679-041-58
679-041-14
679-041-81
679-041-84
679-041-34
679-041-80
679-041-70
679-041-72
679-041-40
679-041-47
679-041-51
679-041-43
679-041-74
679-041-45
679-041-36
679-041-38
679-042-05
679-042-06
679-041-61
679-041-41
679-041-63
679-041-64
679-041-49
679-042-03
679-042-01
679-041-27
D50D
D70D
- 13 -
Friedrich Air Conditioning Company
P.O. Box 1540
San Antonio, TX 78295
210.357.4400
www.fnedrich.com
DEHUMIDIFIERS
LIMITED WARRANTY
FIRST YEAR
ANY PART: If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from
date of original purchase, FRIEDRICH will repair the product at no charge, provided the provided the product is transported to a Friedrich
Authorized Service Center for reoair. ALL transportation charges are the sole responsibility of the owner. this remedy is expressly
SECOND THROUGH FIFTH YEAR
SEALED REFRIGERANT SYSTEM: If the Sealed Refrigeration System (defined for this purpose as the compressor, condenser
coil, dehumidifying coil, capillary, filter drier, and all interconnecting tuing) supplied by FRIEDRICH in your dehumidifier fails
because of a defect in workmanship or material within sixty months from date of purchase, FRIEDRICH will pay a labor allowance
and parts necessary to repair the Sealed Refrigeration System; PROVIDED FRIEDRICH will not pay the cost of diagnosis of the
problem, removal, freight charges, and transportation of the dehumidifier to and from the Service Agency, and the reinstallation
charges associated with repair of the Sealed Refrigeration System. All such cost will be the sole responsibility of the owner. This
APPLICABILITY AND LIMITATIONS: This warranty is applicable only to units retained within the Fifty States of the U.S.A., District
1.
2.
3.
Air filters or fuses.
Products on which the model and serial numbers have been removed.
Products which have defects or damage which results from improper installation, wiring, electrical current
characteristics, or maintenance; or caused by accident, misuse or abuse, fire, flood, alterations and/or misapplication
of the product and/or units installed in a corrosive atmosphere, default or delay in performance caused by war,
OBTAINING WARRANTY PERFORMANCE: Service will be provided by the FRIEDRICH Authorized Dealer or Service
Organization in your area. They are listed in the Yellow Pages. If assistance is required in obtaining warranty performance, write
LIMITATIONS: THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES. Anything in the warranty
notwithstanding, ANY IMPLIED WARRANTIES OF FITNESS FOR PARTICULAR PURPOSE AND/OR MERCHANTABILITY
SHALL BE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY. MANUFACTURER EXPRESSLY DISCLAIMS AND
EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGE FOR BREACH OF ANY EXPRESSED OR
agreed to be the exclusive remedy within twelve months from the date of the original purchase.
remedy is expressly agreed to be the exclusive remedy within sixty months from the date of the original purchase.
of Columbia, and Canada. This warranty is not applicable to:
government restrictions or restraints, strikes, matenal shortages beyond the control of FRIEDRICH, or acts of God.
to: Room Air Conditioner Service Manager, Friedrich Air Conditioning Co., P.O. Box 1540, San Antonio, TX 78295-1540.
IMPLIED WARRANTY.
NOTE: Some states do not allow limitations on how long an implied warranty lasts, or do not allow the limitation or exclusion of
consequential or incidental damages, so the foregoing exclusions and limitations may not apply to you.
OTHER: This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
PROOF OF PURCHASE: Owner must provide proof of purchase in order to receive any warranty related services.
All service calls for explaining the operation of this product will be the sole responsibility of the consumer.
All warranty service must be provided by an Authorized FRIEDRICH Service Agency, unless authorized by FRIEDRICH prior to
repairs being made.
(2-10)
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
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