Dorosin CD-090 Bedienungsanleitung

Instruction Manual

for

Commercial & Industrial Dehumidifier

----------------------------------------------------

Thanks for choosing Dorosin and we highly recommend you to have a careful reading of

the instructions before using the devices. It will provide you with necessary information

for proper use and maintenance.

Pictures inside are for reference only, details shall be in accordant with final product.

Guangdong Dorosin Electric Appliance Co.,Ltd.

Contents

Chapter 1 Operation Safety...................................................................................... 3

1.1 Safety and Warning.................................................................................................................. 3

1.2 Appliance Range of the Machine........................................................................................... 4

1.3 Contents of the Manual……………………………………………………………...……….4

Chapter 2 Installation of Equipment...................................................................... 4

2.1 Brief Introduction.......................................................................................................................4

2.2 Shipping and Storage……………………………………………………………………...4 5

2.3 Inspection…………………………………………………………………………………...…5

2.4 Electrical Connections……………………………………………………………………..5 6

Chapter 3 Operation Control……………………………………………..……….6

3.1 Button Function Instruction……………………………………………………………..……6

3.2 Operating the Machine…………………………………….……………………...….……6 7

Chapter 4 Troubleshooting…………………………………................….…...7 8

Chapter 5 Instruction on Code of Failure………………………………...….....8

Chapter 6. Maintenance……………………………………………..……..9

6.1 Maintenance Introduction…………………………………………………………...….…...9

6.2 Filter Unit………………………………………………………………….....……....………..9

6.3 Electric Motor…………………………………………………………………….……..….....9

6.4 Maintenance Procedures…………………………………………………………….....…...9

Warranty Card…………………………………………………………………..10 11

Guangdong Dorosin Electric Appliance Co.,Ltd.

Chapter 1. Operation Safety

1.1 Safety and Warning

The dehumidifier meets the safety requirements of Chinese and European standards. The

design and manufacturing have taken the safety of personnel and equipment in into

consideration. In each chapter of this manual, there is information about security, which

clearly points out the dangerous operation, and signs the warning signs in the front.

This manual provides the best operation experience and procedures for dehumidifiers. But

these recommendations serve as guidance and do not take any personal responsibility or

implement local safety regulations. When installing and operating equipment, everyone must

assume the following responsibilities:

• Protect the safety of the equipment according to the description of this manual.

• Keep safety of yourself and others.

• Electrical components must be maintained by authorized electrical installation personnel.

• The equipment is not explosion-proof and is forbidden to be used in inflammable and

explosive places.

• Disconnect the dehumidifier from the main power supply before opening any maintenance

panel.

• When the operation is over, the dehumidifier should be cooled for at least 5 minutes before

being maintained.

• If the dehumidifier is not maintained, the maintenance panel should be closed.

• Dehumidification equipment is limited to do dehumidification of air under atmospheric

pressure.

• It is prohibited to use dehumidifier in case of uninstalled filter. If the filter device is not

installed, the surface air cooler will be contaminated, thereby losing the ability to

dehumidify.

•Deletion or alteration of marks and instructions on dehumidification equipment are

prohibited.

• This manual shall be properly kept.

• Use spare part of the original equipment.

• Dorosin's written permission must be obtained before any modification or adjustment of the

device.

Guangdong Dorosin Electric Appliance Co.,Ltd.

1.2 Application Range of the Machine

Dorosin series dehumidifier adopts direct evaporation cooling design, which can dry the air

in atmospheric pressure. Dehumidifying equipment can dehumidify air temperature range

between 5-38 ℃with 99% relative humidity. The working principle is that the blower

dehumidify and heat the indoor air or outdoor mixing air through the surface air cooler and

send them into the room, so that the indoor temperature can be lowered to meet the comfort

requirements of people.

The equipment is applicable to the working temperature range of 5-38℃, beyond which will

affect the normal use of the equipment.

1.3 Contents of the Manual

This manual is oriented to the most users of the dehumidifier, including installation, operation,

maintenance and basic failure analysis. Purpose of this manual is providing necessary

information for users to comprehend the structure and function of the equipment and guide

users about installation, operation, maintenance and basic fault analysis before Dorosin

provides services.

Chapter 2．Installation of Equipment

2.1 Brief Introduction

The dehumidifier can be installed in many places which depending on the user's needs. If

there are requirements, it can be used with the existing power system or existing duct

system together. This section covers the description of required job of dehumidification

equipment from leaving the factory to being installed. Read before equipment installation

can help you to arrange work properly.

2.2 Shipping and Storage

In order to ensure the quality and reliability of the dehumidification equipment, every

equipment has been inspected before leaving the factory. If the dehumidification equipment

is to be stored for a period of time before installation, the following items should be noted:

a. It is not suitable to remove the transport packaging.

Guangdong Dorosin Electric Appliance Co.,Ltd.

b. Placement of equipment can avoid physical damage and hurt.

c. Must be stored under cover to prevent dust, frost and rain from encroaching.

d. The equipment is not allowed to lie down or stand upside down.

2.3 Inspection

Disassemble the packaging of the equipment and inspect the product to ensure that the

equipment is not damaged during transportation. If any damage is found, contact the

equipment supplier. If the piping connected to the dehumidifier is arranged, it should be

checked if the piping arrangement is suitable. If the environment and installation conditions

are not satisfying, please contact the manufacturer's relevant design and technical

personnel.

To ensure optimum dehumidification effect, the fan outlet should be equipped with a diffuser.

2.4 Electrical Connections

NOTICE!

All electrical connections works must be done by local professionals and shall be carried out

by qualified personnel. Dehumidifier control circuit has been marked with different color to

prevent confusion, unit design adopts three-phase ac power supply, electric equipment

installation and configuration are in accordance with the voltage and frequency of equipment

nameplate on the calibration.

The appliance shall be installed according to the national wiring standard.

•The dehumidifier must not operate in a voltage or frequency beyond the manufacturing

range.

•The three-phase ac power supply should be checked before the unit is connected to the

main power supply to ensure that the voltage fluctuation range of the power supply is not

more than ±10% of the voltage and frequency of the equipment. his check is particularly

important for high load situations (which are due to the switching of large electrical

equipment).

•The machine set must be grounded and equipped with a power isolating switch to ensure

that the power is cut off when checking and servicing.

Guangdong Dorosin Electric Appliance Co.,Ltd.

•The fuse power of the power supply fuse must be consistent with the power and type of the

dehumidifier. The fuse should be installed near the dehumidifier. The selection of power

supply cable and main fuse should be equipped with the correct operation power of the wet

unit. Fuse rated value: 16A 250V

•If the power cord is damaged, in order to avoid danger, it must be replaced by the

manufacturer, its maintenance department or similar department.

•On the power line, L1, L2, L3 are connected with three fire wires on the fixture, and the N is

connected with the zero line, PE and ground are connected. If the display board displays E3,

please switch any two lines of L1, L2 and L3.

Chapter 3. Operation Control

3.1 Button function instruction

1.“Power” button

Press this button to start the machine, it enters start-up mode after the buzzer buzzes twice.

Press this button to stop the machine, it enters stop mode after the buzzer buzzes once.

2. “Set” button

Press this button for once, and it enters the mode of setting required humidity.

3. “+” button

4. Press this button directly to increase the set humidity. Buzzer buzzes once for each

pressing and the set humidity increase by 1% RH. Successive operation can be achieved by

pressing this button successively

5. “-” button

Press this button directly to decrease the set humidity. Buzzer buzzes once for each

pressing and the set humidity decrease by 1%RH. Successively operation can be achieved

by pressing this button successively.

3.2 Operating the machine

1. Energize the power, the dehumidifier will beep for once;

2. Press the “POWER” button for once, the LCD display is light. After all the displays are

normal, the LCD displays current environment humidity;

3. Setting of humidity: press “+” and “-“ buttons to set the required humidity. When the set

humidity is 3% less than current humidity, the dehumidifier works; when the set humidity is

3% more than current humidity, the dehumidifier stops.

4. When the set humidity is less than 10%, the dehumidifier enters the mode of successive

dehumidification.

Guangdong Dorosin Electric Appliance Co.,Ltd.

Notices!

1. If the set humidity is higher than the actual humidity, the dehumidifier stops working;

2. During dehumidification, after the compressor starts working, the fan and compressor

can only be stopped after working for at least 3 minutes; the compressor can only be

re-started 3 minutes after stops; After about 72 hours of continuous operation, the

compressor will be stopped and resumed 30 minutes later;

3. If works under low temperature, the dehumidifier may judge the system temperature

automatically and defrosts automatically; when defrosting, the indicator of defrosting is

light, the fan works and compressor stops working.

4. The system has auto memory. When all the mode setting has been finished, if there is

sudden power cut during operation, or the power jack slips out, the system may store the

current status before the power is cut and enter the operation before power cut

automatically after power is supplied;

5. Range for humidity is 10%-99%;

6. If the dehumidifier is going to be spared for a long time, please unload the power cord or

cut the power.

7. Auto detection of temperature/humidity failure.

a. When the system detects that temperature sensor exceeds the limited range, the

system enters mode of temperature sensor failure. Under this mode, LCD displays

temperature failure code “E1”, the system works in a circle of dehumidification for 30

minutes and defrosting for 15 minutes;

b. When the system detects that humidity sensor exceeds the limited range, the system

enters mode of humidity sensor failure. Under this mode, LCD displays humidity

failure code“E2”and the system starts continuous dehumidification.

c. After temperature/humidity sensor failure being removed, the system works normally.

Chapter 4. Troubleshooting

Problems

Phenomenon/Reason

Solutions

Dehumidifier does not

work.

1.Could be a power outage.

2. The power switch is not on.

3.Maybe the fuse has blown out.

4.It’s not the definite starting up time.

5.The water tank may be full or not

fixed well，and the light of full water

on screen is flashing.

1.Please wait for power supply.

2. Turn on the power switch.

3.Change the fuse.

4.Wait or cancel the time setting.

5.Pour out water of water tank, then

put it back.

Guangdong Dorosin Electric Appliance Co.,Ltd.

Unsatisfied

dehumidification effect.

1.The humidity setting is

inappropriate.

2.The front and back of the

dehumidifier may be blocked.

3.Dehumidification time may be not

enough.

4.Door and window may be open.

5.The temperature indoor is lower

than 5℃or higher than 38℃.

1.Set appropriate humidity.

2.Clear the obstructions.

3.Keep waiting.

4.Close door and window.

5.Please use the machine in the

temperature of 5-38℃.

Turn on immediately

after shutdown,

dehumidifier does not

dehumidify.

3 minutes delay protection of

compressor.

The machine will work after 3

minutes.

There is water leak.

1.Drain connection is slack.

2.The drainage system is blocked

3.The water tank is’t placed well.

1.Connect the drain.

2.Clean the stopper.

3.Place the water tank well.

Frost formation.

There id frost on the surface of

dehumidifier.

It’s normal, the machine can defrost

automatically.

The dehumidifier has a

slight wobble.

A slight wobble occurs when turn

on/off dehumidifier.

It’s normal phenomenon.

1. Where the above troubles cannot be fixed and repair is needed, please contact supplier

or distributor. Do not disassemble without authorization.

2. When the dehumidifier is in operation or stops, voice of circulating of refrigerating can

be heard. Such phenomenon is normal.

3. It is normal for the air outlet to drain hot air.

Chapter 5. Instruction on Code of Failure

The dehumidifier is able to automatically judge failure. If there is any failure, there will be

failure code displayed on the humidity display window.

Failure Display

Problem

Temperature sensor failure

Humidity sensor failure

Phase sequence failure

Water tank full

High-pressure protection

Guangdong Dorosin Electric Appliance Co.,Ltd.

Low-pressure protection

Chapter 6. Maintenance

6.1 Maintenance Introduction

The maintenance and care of dehumidification equipment during the long term use, not

being maintained will reduce the dehumidification performance and even cause failure.

6.2 Filter Unit

The dehumidifier is equipped with an independent filter which is installed in the inlet of the

device. It is prohibited to operate unfiltered device for a long time. It is strictly forbidden to

clog the air inlet and outlet of this equipment, and it is recommended that the filter unit

should be checked and cleaned at least once a month.

6.3 Electric Motor

The service life of the bearing is the same as that of the motor, so no additional maintenance

is required. The motor startup capacitor should be checked every year to ensure its normal

condition.

6.4 Maintenance Procedures

The procedures for inspection and maintenance of routine parts of the unit are listed in the

table.

Components

Check and Maintenance Procedures

1-3 months

12 months

Filter unit

Clean filter unit

Compressor

Check whether the compressor

works normal and the vibration is

normal

Check if there is loose, aging

or damage of the

compressor connection.

Cool&heat

Exchanger

Wash the debris and dirt on the

bottom and surface of the

evaporator and condenser.

Seal

Check if there is damage and

displacement. It should be replaced

if there is wear or damage.

Check if there is damage

and displacement. It should

be replaced if there is wear

or damage.

Temperature and

Humidity Control

Check whether all external

temperature and humidity

probes are properly working.

Guangdong Dorosin Electric Appliance Co.,Ltd.

Product Warranty Card

Product Name

Item No/Delivery Date

See body nameplate, bar code

Place of origin

Guangzhou

Manufacturer

Guangdong Dorosin Electric Appliance Co.,Ltd

Warranty terms

1. According to the terms of this warranty content, use this product under normal condition

within the warranty period, in the event of failure, you can use this warranty card and

invoice (copy) to enjoy free maintenance services in the service center.

2. During the warranty period, paid maintenance services will be implemented in the

following circumstances:

①Cannot show the effective product warranty card.

②Omission, alteration and no sales company name on warranty card.

③The fault and damage caused by force majeure.

④Failure and damage caused by transportation, loading and unloading.

⑤Failure and damage caused by not operating according to the operation manual.

⑥Failure or damage caused by the removal, repair or modification of the product without the

authorization of the manufacturer.

⑦The failure and damage caused by corrosion gas and dust of the using environment.

3. When the product needs warranty, please send the machine，the warranty card and

purchase invoice (copy）to the designated service center or maintenance

department. The shipping fee shall be borne by the user.

4. Please keep the warranty card properly, there will not be another one if it’s lost.

[Warranty time]

The customer shall enjoy a year warranty service free of charge from the date of

purchase.

Supplier: GuangDong Dorosin Electric Appliance Co.,Ltd

Add.: Room 2018-2019,2nd floor,No.228,Huadi Avenue,Liwan District,

Guangzhou City,Guangdong Province 510000,China

Tel.: 0086-02081978905

…………………………………………………………………………………………………………………………………………………………………………………

Product Warranty Return Receipt

Customer Name/Seal

Customer Address

Tell

Item No

Code

Purchase Date

Purchase Way

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