Service & Parts Manual
Dehumidifier
Models D25D, D50D, D70D
Dehumidifie r-2 010 Svc Parts (4-2010)
Important points o n ser vic e, and Flow chart
for inspecting and r epa iri ng the unit
Troubleshooting
Appearance and Con tro l panel
Techn ical specifications
Refrigerator sys tem d iagram
Schematic wiring d iag ram
Exploded view and Pa rts L ist s
Warranty
................. ... ... ... ............................. 13
................. ... ... ... ................... 2
................. ... ... ... .... 4-6
................. ... ... ... 7
................. ... ... ... .... 8
............... 1
................. ... ... . 3
................. .. 9- 12
IMPORTANT POINTS ON SERVICE OPERATING SAFETY
Please follow these instructions carefully :
Unplu g t h e u n i t to avoid any danger f r o m e l e ctric shock befor e d i s a s sembling the unit fo r
repai r.
If ther e i s a n y s o und of the refriger a n t c i r culating when in op e r a t i on, avoid touchin g t h e
cooli n g c o i l s.
If you ne e d t o p e r form any welding or s o l d e r ing, be sure you are in a w e l l v e n tilated area.
Only a qu a l i f i ed professional s h o u l d p erform any welding o n t h e u n i t.
When re p a i r i ng the unit, the spec i f i c a tions listed in thi s m a n u a l must be strictly ad h e r e d
to when r e p l a c ing any component s .
When re p l a c i ng any electrical c o m p o n ents they should be fa c t o r y approved units.
Be sure t h a t a n y e lectrical compo n e n t s a re properly wired a n d i n p l a ce.
FLOW CHART FOR INSPECTING AND REPAIRING THE UNIT
Electricity sh utdow n
Check fuses on
main switch
Check if air filte r is
clogged
Capacitors are f aulty
Dehumidifier
doesn't work
Can not dehumidi fy
Compressor doe sn't
work
Refrigerant is l eakin g
Maintain
&
repair system
Check if drain buc ket
water level swit ch
is broken
Humidity senso r
is broken
Humidity setti ng on
continuous ope ratio n
Over load protec tor is
faulty
Supply Nitroge n 15Kg/ cm² fro m low
pressure side an d locat e the lea kage
Use oxygen acety lene an d 5% silv er
iron to fill crack s and hol es
Pump vacuum for at
least 15 minutes
After filling wi th
refrigerant pr oceed t o test ru n
- 1 -
TROUBLE S HOOTING
Problem
Dehumidifier
doesn't work
Fan doesn't work
Compressor
doesn't work
Can not
dehumidify or the
dehumidifcation
volume is too low
Possible causes
Electricity shutdown or low
voltage
Bad plug or wire is broken
Motor is broken
Low voltage
Still under the 3 min
protection
Compressor is broken
Filter is dirty
Refrigerant is leaking
Solution
Wait for electricity to be
restored
Repair or replace
Repair or replace
Call the local electricity
company
Wait until if goes back to
function after 3 min
Repair or replace
Clean filter
Detect the leakage and fill with
refrigerant
Loud noise and
vibration
Evaporator is
frosted
Dehumidification
water overflows
Low temp and humidity
Uneven floor
Motor or compressor is loose
Sound of flowing water
Filter is too dirty
Environment temp is too low
Drain bucket is broken
Micro switch is broken
Normal
Move to level place or use
blocks
Tighten screws
Normal, it is the sound when
the refrigerant is flowing
Clean filter
Stop use temporarily
Repair or replace
Repair or replace
- 2 -
APPEARANCE
CONTROL PANEL
MOIST AIR
INTAK E
DRAIN BUCKET
AIR FILTER
ROLL CASTORS
OUTLET FOR
DEHUMIDIFIED
DRY AIR
HANDLE
CONTINUOUS
DRAINAGE HOLE
Electricity cable
CON TROL PAN EL
BUCKET FULL LAMP
Water tank is full,and
lamp lights.
FAN SPEED
High / L ow
POWER
On / Off
DEFROST LAMP
When l ow t em perature,
unit g et s in to defrosti ng
mode a nd l am p lights.
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.
TIMERS
CURRENT TEMP / TIMER SET DISPLAY
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.
SET HUMIDITY / CURRENT HUMIDITY 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.
Press the ℃/℉
switch buttons,
it will switch at
sequence of
℃ and ℉.
- 3 -
TECHNICAL SPECIFICATIONS
ITEM UNIT
DEHUMIDIFYING CAPACITY
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
Pint/day
Inches
V/Hz
A
WIRE SPECIFICATION
MODEL
COMPRESSOR
INPUT
POWER
OPERATING
CYCLE
PROTECTOR
W
uF/V
D25D
25 (at 80°F , 60%RH)
13.46(W) * 21.46(H) * 9.84(D)
115 / 60
4.6
10A 125V 18AWG*3C
35D042-A2-ABDA
300
35/300
MRA12228-12095
MODE L
INPU T
FAN MOTOR
CAPILLARY
EVAPORATOR
CONDENSER
REFRIGERANT
WEIGHT
WATER TANK CAPACITY
POWE R
OPER ATING
CYCL E
W
uF/V
Inches
R410A/oz
Lbs
Pint
LS-16T2-04
47
5/250
0.086(O.D.)*0.047(I.D.)*19.685(L)
1R10S21FPI
2R10S21FPI
5.28
32
11
- 4 -
TECHNICAL SPECIFICATIONS
ITEM UNIT
DEHUMIDIFYING CAPACITY
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
Pint/day
Inches
V/Hz
A
WIRE SPECIFICATION
MODEL
OPERATING
uF/V
COMPRESSOR
CYCLE
PROTECTOR
D50D
50 (at 80°F , 60%RH)
14.96(W) * 23.43(H) * 12.01(D)
115 / 60
5.9
10A 125V 18AWG*3C
35D052-A2-ABLL
40/300
MRA12274-12095
MODE L
INPU T
FAN MOTOR
CAPILLARY
EVAPORATOR
CONDENSER
REFRIGERANT
WEIGHT
WATER TANK CAPACITY
POWE R
OPER ATING
CYCL E
W
uF/V
Inches
R410A/oz
Lbs
Pint
LS-16T2-02-N2
47
6/250
0.086(O.D.)*0.047(I.D.)*39.37(L)
2R12S21FPI
2R12S21FPI
9.32
44
16
- 5 -
TECHNICAL SPECIFICATIONS
ITEM UNIT
DEHUMIDIFYING CAPACITY
OUTER DIMENSION
RATED VOLTAGE
RUNNING CURRENT
Pint/day
Inches
V/Hz
A
WIRE SPECIFICATION
MODEL
OPERATING
COMPRESSOR
CYCLE
PROTECTOR
uF/V
A
D70D
70 (at 80°F , 60%RH)
14.96(W) * 23.43(H) * 12.01(D)
115 / 60
7.7
10A 125V 18AWG*3C
41T068-A2-AMLI
40/300
MRA12272-12082
MODE L
INPU T
FAN MOTOR
CAPILLARY
EVAPORATOR
CONDENSER
REFRIGERANT
WEIGHT
WATER TANK CAPACITY
POWE R
OPER ATING
CYCL E
W
uF/V
Inches
R410A/oz
Lbs
Pint
LS-16T2-06
47
6/250
0.086(O.D.)*0.047(I.D.)*31.50(L)
2R12S21FPI
2R12S21FPI
12.03
44
16
- 6 -
REFRIGERATOR SYSTEM DIAGRAM
CAPI LLARY TUBE
EVAPORATOR
CONDENSER
COMPRESSOR AS S'Y
DRYER
PTC(HE ATER)
FAN MOTOR
- 7 -
SCHEMATIC WIRING DIAGRAM
SCHEMATIC WIRING DIAGRAM
D25D
115V~60Hz
L
BLACK
BLUE
TRANSFORMER
WHITE
BLUE
COMPRESSOR
CN 1
N
N
N
CN 2
CAPACITOR
N
WHITE
E
O
E
S
U
F
T3.15AL 250V
LP
RED
NO
COM.
CN 4
CN 1
CONTROL BOARD
CN 8
CN 2
FAN-L
CN 7
H.sensor
P6
CN 5
FAN-H
P7
CN 3
T.sensor
YELLOW
RED
CAPACITOR
MICRO
SWITCH
WHITE
F/MOTOR
BLACK
BLUE
D6951-870
SCHEMATIC WIRING DIAGRAM
SCHEMATIC WIRING DIAGRAM
115V~60Hz
L
BLACK
CAPACITOR
N
BLUE
WHITE
E
WHITE
BLUE
COMPRESSOR
CN 1
BLUE
N
N1
N2
TRANSFORMER
P
L
O
RED
E
S
U
F
T3.15AL 125V
CN 2
NO
COM.
CN 4
CN 1
CONTROL BOARD
BROWN
FAN-L
CN 8
CN 2
P6 P7
CN 6
CN 7
H.sensor
FAN-H
CN 3
YELLOW
MICRO
SWITCH
T.sensor
RED
WHITE
CAPACITOR
BLUE
D50D, D70D
F/MOTOR
BLUE
- 8 -
D6951-900
EXPLODED VIEW
D25D
33
40
42
43
50
44
45
46
47
49
48
28
39
29
51
30
41
34
37
27
38
36
35
21
20
19
18
22
23
24
25
26
31
32
13
11
12
- 9 -
14
15
16
9
17
7
6
5
3
4
10
8
1
2
D25D Ser vice Par ts List
Ref #
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
Friedrich Par t #
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
Descript i on
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
Qty
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
Notes
- 10 -
EXPLODED VIEW
D50D, D70D
51
52
43
44
62
42
63
46
16
47
41
54
53
27
26
25
24
23
45
48
49
60
56
61
55
59
58
57
18
22
7
19
21
20
29
28
30
35
36
37
34
31
39
40
38
12
10
11
8
9
3
4
50
15
13
6
5
14
17
32
33
1
- 11 -
2
D50D & D70D Ser vice Par ts List
Ref #
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
Friedrich Par t #
D50D
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
D70D
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
Descript i on
BASE PAN
CASTERS
COMPRESSOR ASS'Y
COMPRESSOR GROMM ETS
PLATE
MICRO SWITCH
FIXTURE
CAPAC ITOR (40uF/300V)
CAPAC ITOR STRAP
COVER
CONTROL HOUSING
CONTROL HOUSING COVER
ELECTRONIC CONTR OL BOARD
CONTROL PANEL
TRANSFORMER
SENSOR
THERMISTOR SENSOR
FIX METAL
WATER PUMP
GROMMETS FOR PUMP
PUMP HOSE CONNECTOR
PUSH BUTTON SWITCH FOR PUMP
FIX TU BE
MICRO SWITCH
QUICK CONNECTOR FOR PUMP
DRAIN BUCKET COVER
MICRO SWITCH
EVAPO RATOR ASS'Y
CONDENSER ASS' Y
STRAINER
CAPILLARY TUBE
INNER WALL / MOTOR MOUNT
FAN SHROUD
FAN MOTOR
BLOWER WHEEL
PLASTIC CAPACITOR (6uF/250V)
CAPAC ITOR MOUNT
CAPAC ITOR COVER
POWER SUPPLY CORD
FIX TU RE
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 HA NDLE
AIR FILTER
DRAIN PIPE
WASHER
Qty
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
Notes
- 12 -
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 FRIEDR ICH fails because of a de fect in wo rkmanship or mate rial within twelv e mon ths from
date of o riginal pur chase, FRIE DRICH will re pair the prod uct at no charg e, provid ed the provid ed the produc t is transpor ted to a Friedr ich
Autho rized Serv ice Cent er for reoair. ALL transp ortation charges are the sole respo nsibility of the owner. this remedy is expressl y
agreed to be the exclusi ve r em ed y wi th in t we lv e months from the date of the original purchase.
SECOND THROUGH FIF TH 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
remedy is expressly agreed to be the exclusive remedy within sixty months from the date of the original purchase.
APPLICABILITY AND LIMITATIONS: This warranty is applicable only to units retained within the Fifty States of the U.S.A., District
of Columbia, and Canada. This warranty is not applicable to:
1.
Air filters or fuses.
2.
Products on which the model and serial numbers have been removed.
3.
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,
government restrictions or restraints, strikes, matenal shortages beyond the control of FRIEDRICH, or acts of God.
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
to: Room Air Conditioner Service Manager, Friedrich Air Conditioning Co., P.O. Box 1540, San Antonio, TX 78295-1540.
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
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.
(2-1 0)
- 13 -
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