Friedrich D525, D50D User Manual

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

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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

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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

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

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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 ℉.

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TECHNICAL SPECIFICATIONS

ITEM UNIT

DEHUMIDIFYING CAPACITY

OUTER DIMENSION

RATED VOLTAGE

RUNNING CURRENT

Pint/day

Inches

V/Hz

WIRE SPECIFICATION

MODEL

COMPRESSOR

INPUT POWER

OPERATING CYCLE

PROTECTOR

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

uF/V

Inches

R410A/oz

Lbs

Pint

LS-16T2-04

5/250

0.086(O.D.)*0.047(I.D.)*19.685(L)

1R10S21FPI

2R10S21FPI

5.28

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