Kaysun KFC-S2E-2T-250D Guide de démarrage rapide

KFC-S2E-2T-250D

KFC-S2E-2T-350D

KFC-S2E-2T-500D

KFC-S2E-2T-800D

KFC-S2-2T-250D

KFC-S2-2T-350D

KFC-S2-2T-500D

KFC-S2-2T-800D

IMPORTANT NOTE:

Thank you very much for purchasing our air conditioner,

Before using your air conditioner, please read this manual carefully and keep it for future

reference.

OWNER’S & INSTALLATION MANUAL

Ceilin-Floor Fancoils Units

CONTENTS

1 PRODUCT OVERVIEW ................................................................... 01

2 WARNING

2.1 Meaning of Various Labels ....................................................................................02

2.2 Warning .................................................................................................................02

2.3 Note .......................................................................................................................02

2.4 Information ............................................................................................................03

3 OPERATION INSTRUCTIONS

3.1 Standard Conditions for Use .................................................................................03

3.2 Switch and Control ................................................................................................03

3.3 Air Supply Direction Adjustment ............................................................................05

4 CLEANING AND MAINTENANCE

4.1 Maintenance by Customer .....................................................................................05

4.2 Professional Maintenance .....................................................................................05

5 INSTALLATION INSTRUCTIONS

5.1 Packaging and Assembly ......................................................................................08

5.2 Handling Instructions .............................................................................................08

5.3 Installation .............................................................................................................08

5.4 Liquid Pipe Connections ........................................................................................11

5.5 Electrical Connection .............................................................................................13

5.6 Startup Guide ........................................................................................................16

6 SERVICE GUIDE

6.1 Troubleshooting .....................................................................................................16

6.2 Non-Unit Related Faults ........................................................................................17

6.3 Product Data ..........................................................................................................17

Air outlet

Air inlet

Product appearance(exposed)

Air outlet

Air inlet

Product appearance(exposed)

NOTE

1 PRODUCT OVERVIEW

This ceiling and oor type unit is used for indoor air quality regulation in various scenes.This appliance is intended to be used

by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.

2 WARNING

This section describes important safety information.

Please read the Manual carefully, especially those operating standards with “Warning” or “Note” signs. Failure to abide by

these standards may lead to personal injury or damages to the unit or other items.

All the illustrations of this manual are for explanatory purpose only. If the appearance, functions and physical objects

are inconsistent, refer to the actual product.

NO. Name Schematic Unit Qty Remarks

1 Owner and Installation Manual Pcs 1 Accessories

2 Fastening screw Pcs 4 To be purchased separately

3 Three-way valve and its piping assembly Set 1 To be purchased separately from

manufacturer

4 Footing Set 1 Attached accessory

5 Auxiliary drain pan Pcs 1 To be purchased separately from

manufacturer

6 Wired controller Pcs 1 To be purchased separately

7 Inlet hose Pcs 1 To be purchased separately

8 Outlet hose Pcs 1 To be purchased separately

9 Filter Pcs 1 To be purchased separately

10 Check valve (inlet and outlet pipes) Pcs 2 To be purchased separately

11 Drain pipe Pcs 1 To be purchased separately

WARNING

A situation that may lead to injury.

NOTE

A situation that may cause damage to the unit or

loss of property.

INFORMATION

Indicates a useful hint or additional information.

For any faults not covered by the Manual, please contact the manufacturer immediately.

Tampering with the unit can result in very hazardous situations. The manufacturer is not liable for any damages caused by

tampering with the unit. The consequences for failing to abide by the Manual shall be borne by the user on its own.

2.1 Meaning of Various Labels

2.2 Warning

●Ask professional staff to install (install for the rst

time, change the place of the unit or re-install) and

repair the unit and its parts. The installation operator

must have acquired the relevant professional

qualication. Do not attempt to install or repair the air

conditioner by yourself, as any improper operations

may lead to re, electric shock, personal injury or

water leakage.

●Make sure the unit is grounded reliably in accordance

with the laws. Otherwise, it may cause electric shock.

●Stop using the air conditioner and consult your

dealer in case of any abnormalities. Otherwise, re or

electric shock may occur.

●Do not attempt to maintain or alter the unit by

yourself. Improper operations may cause water

leakage, electric shock or re.

●Make sure the leakage protection device is installed,

or electric shock may occur.

●Do not wash the unit with water, or electric shock may

occur.

●To avoid electric shock, do not place any water-lled

container on the unit.

●Do not operate the switch with wet hands, or electric

shock may occur.

●Do not put your ngers or other objects into the unit, it

can result in serious injury.

●Do not obstruct the air supply channel, it may result in

personal injury or damages to the unit.

●Check that the supporting structure of the unit is

securely installed after a long period of use, to

prevent fall accidents.

●Make sure the installation base and hoisting are

robust and reliable; otherwise, the unit may fall and

lead to accidents.

●Do not expose yourself to cold air over a long period.

●Too low temperature may cause harm to your health.

●Do not expose animals or plants to air outlet to avoid

any harm.

●This unit is intended for air handling only. Do not use

it for animal rearing.

●Do not install the unit where ammable gas may leak.

Otherwise, re may occur. Do not install the unit in

potentially explosive atmospheres.

●Keep the unit far away from combustible spray to

avoid re.

●Use proper fuse. Do not use iron wire or copper

wire, as it may cause re or unit abnormality.

●When connecting power supply to the unit, follow

the regulations of the local electric company.

●Provide separate power switch to ensure the unit

can be disconnected from power properly.

●Do not use this unit to store spare parts or other

items.

●Please attach enough importance to the signs and

symbols indicated on the unit. Any other potential

hazards not covered in the Manual (if any) should

be specied in labels attached to the unit.

●If the supply cord is damaged, it must be replaced

by the manufacturer or its service agent or a

similarly qualied person in order to avoid a hazard.

2.3 Note

●Read the Manual carefully and perform a safety

inspection in advance so that you can be fully

aware of the possible dangers as you use or install

the unit.

●The manufacturer shall not be liable for any

personal or animal injury or damage to any object

caused by incorrect installation, adjustment,

maintenance or improper use.

●The manufacturer is not held liable for any

damages resulting from faulty operations against

this Manual.

●Do not expose this unit to wet or humid

environments as this may damage electrical

components.

●Do not store this unit in the open air. Do not stack

unpackaged units.

●Do not use this unit to store food, plants, precision

instruments, artwork etc.

●To operate the unit for the rst time, exhaust the

air in the coil; otherwise, the performance may be

compromised.

●Clean the inside of the water pipe before use.

●Remember to implement anti-freezing measures

for coil in winter. For details, please refer to anti-

freezing instructions herein.

●Keep the unit energized even if it is not in service

over a long period.

●Adopt self-protection measures when you install,

maintain or clean the unit.

●Do not press the unit. Handle it carefully as any

damages may cause unit malfunction.

●Reserve enough space for installation and

maintenance.

●Before installation, check whether the unit is

reliably grounded. Otherwise, do not proceed with

the installation. In no circumstances can the earth

line for main power switch be disconnected.

●Rotate the fan impeller during installation. Contact

the manufacturer if you hear any abnormal noises.

Controller installation place

Wired

controller

●Make sure that the water discharge pipeline can provide

smooth drainage. Improper installation of the water

discharge pipeline may lead to water leakage, and

damages to furniture.

●Make sure the liquid pipeline and air duct are reliably

supported. Make sure pipes and connectors are not

distorted.

●The water inlet and outlet pipes must have check valves

installed and be wrapped with insulation materials.

●Connect the wires as required. Otherwise, it may cause

damage to electrical parts.

●The actual power supply must be consistent with the

nominal nameplate value, or permanent damage may

occur.

●Use power cord with a proper diameter.

●Do not use damaged cables. Replace the damaged

cables immediately if necessary. Do not attempt to

repair the damaged cables.

●Keep for future reference.

2.4 Information

●Keep the unit serial number available for future

reference and in case when you need to contact the

after-sales service.

●Do not bring any combustible materials near the air

outlet.

●Transport the unit as per requirements indicated on the

package.

●Avoid crash, fall-over or squeeze and keep away from

rain and snow during transportation.

●Store the unit in a clean, dry, re-proof and well-

ventilated place without any corrosive gas.

●To avoid shock during transportation, x the unit and its

accessories on the transportation platform with ropes or

by other means.

3 OPERATION INSTRUCTIONS

This appliance can be used by children aged from 8 years

and above and persons with reduced physical, sensory or

mental capabilities or lack of experience and knowledge if

they have been given supervision or instruction concerning

use of the appliance in a safe way and understand the

hazards involved. Children shall not play with the appliance.

Cleaning and user maintenance shall not be made by

children without supervision.

●The manufacturer is not responsible for unit damages or

personal injury resulting from unauthorized operations

or use of non-original parts or accessories.

●Ventilation

Periodically ventilate the room where the unit is

installed. Ventilation is especially important in case the

room has many people in it or has ammable devices

or gas sources. Poor ventilation may result in lack of

oxygen.

- Before unit operation, clean water pipes to prevent

them from being blocked.

- Upon FCU test run or switching between hot and cold

water, open the vent valve to exhaust air in the coil

until water ows out. Otherwise, the heat exchange

performance may be signicantly compromised.

●During operation

Filter is normally not removed except for maintenance

purpose, as doing so may cause foreign objects to enter

the unit.

●In normal cases

In cooling mode, fog may appear at the air outlet. Figure 3-2 After installation of wired controller

Figure 3-1 Installation position of wired controller

3.1 Standard Conditions for Use

Use the system in the following temperature for safe and

effective operation.

Mode Indoor temperature

Cooling 17-32°C

Heating 0-30°C

If air conditioner is used outside the above conditions,it

may cause the unit to function abnormally.Optimum

performance will be achieved within these operating

temperature range.

The unit can only operate normally as long as you

strictly adhere to the regulations outlined in the Manual.

Water inlet temperature range is 3-75°C.

Water inlet temperature range recommended is 3-65°C.

Water inlet pressure range is 0-1.6MPa.

3.2 Switch and Control

The wired controller should be purchased separately

from the manufacturer. Other wired controllers are not

applicable.

Installation position of wired controller

You can install the wired controller on the left, or right of

the unit or on the wall as required. Make sure the wired

controller is close to the electric control box.

Please refer to the Wired Controller Operation and

Installation Manual for installation methods.

On/Off Button

Mode Button

Backlight Button

Fan Speed

Button

Temp. Setting

Button

Cooling Heating Auto

Automatic Fan Speed

Dry

Display Area Of the

Wired Controller

Remote Signal

Receiving Area

Temperature

Fan Speed

Running Indicator

Figure 3-3 Control panel of manufacturer’s wired controller

The Operation Manual is provided with the wired controller.

You can complete the following operations using the manufacturer’s wired controller:

Start/stop the unit.

Switch between seven fan speeds and auto.

Constant temperature set within a desired range.

Switch among Cool, Heat, Dry, and Auto.

0-10V wired controller output DC voltage signal to main board.The main board receives the signal and controls the motor

according to the corresponding speed.

Table 3-1 0-10Vwired controller output signal specication table

1) Start and stop

Start or stop the unit using the wired controller or centralized controller.

Controller output voltage Fan speed

Seven fan

speeds

0≤voltage<1 shutdown

1≤voltage<3 low

3≤voltage<4 medium low

4≤voltage<5 medium

5≤voltage<6 medium high

6≤voltage<7 high

7≤voltage<8 super high

8≤voltage<10 strong

Auto speed The wired controller is adjusted according to the logic of

the seven-level control system.

Start the unit after it has not been used for a long

time

Before starting the unit again, you should:

clean or replace the air lter. clean the heat exchanger.

make sure the drain pipe for drain pan of heat exchanger is clean; if not,

wash it.

remove air from the water system.

Leave the unit unused for a long period

If the unit is not to be used in winter, drain the water system when

appropriate. Otherwise, the water in the system may freeze, thus causing

damage to the unit, or leading to water leakage, electric shock or damage

to furniture.

screw

Screw

NOTE

Cleaning and maintenance must not be

performed by minors without supervision.

NOTE

Disconnect the unit from power supply before

cleaning or maintenance. Do not spray water on

the unit.

NOTE

3.3 Air Supply Direction Adjustment

You can manually adjust the louver to change the air

supply direction.

To adjust the air supply direction, do as follows:

1) Remove the screws (M3.9*10) xing the louver.

2) Disassemble the louver manually.

3) Rotate the louver by 180° and then put it back

manually.

4) Put the screws back and fasten them.

Figure 3-4 Adjusting the air supply direction

4 CLEANING AND MAINTENANCE

4.1 Maintenance by Customer

4.2 Professional Maintenance

4.2.1 Structure

Cleaning the outer surface of the unit is permitted. Dip a

piece of soft cloth in cold water and alcohol to clean the

unit. Do not use hot water, solvent, abrasive or corrosive

substances.

1) Cleaning the air lter

To ensure proper air return, clean the air lter at least

once every month. If used in a dusty environment, the

lter must be cleaned on a more frequent basis. Take the

air lter out before you can clean it.

The lter is at the bottom of the unit, while the air return

outlet is at the bottom or the rear side.

To take the air lter out, do as follows:

a) Remove the screws ①and ②.

b) Rotate the lter bracket.

c) Pull out the lter.

Do not touch the heat exchanger to avoid any

personal injury.

Figure 4-1 Diagram of removing the lter

Blow the air lter with compressed air or clean it in water.

Before putting the lter back, make sure it is clean and dry.

If it is damaged, replace it with a new one.

Heat exchanger Air outlet grille Drain pan

Electric

control

box

BaseFanFilterMotorCasing

Water

inlet

joint

Water

outlet

joint

Heat exchanger Air outlet grille Drain pan

Electric

control

box

FanFilterMotorReturn air cover

Water

inlet

joint

Water

outlet

joint

Drain

pipe

connection

Only qualied technicians who have unit and refrigeration system experience can perform maintenance operation.

Proper gloves are required.

Figure 4-2 Diagram of unit (exposed)

Figure 4-3 Diagram of unit (concealed)

For dual-pipe system and four-pipe cold water coil, the water inlet and outlet joints are G3/4. For four-pipe hot water coil,the

water inlet and outlet joints are G1/2.

The casing of the unit is made of galvanized steel; the air lter is made of nylon bre, and the aluminum alloy air lter can

be customized; the motor has internal overheat protection and overcurrent protection; a centrifugal rotating fan is used; a

soundproof material such as sponge is used; the n type heat exchanger is composed of copper pipe and aluminum foil, and

the heat exchanger pipe connection can be changed on site.

4.2.2 Maintenance

Before maintenance or check, disconnect the unit from power supply, keep the main switch closed with warning sign attached,

to prevent others from resuming the power accidentally.

1) Routine maintenance

2) Once every month

Check whether the air lter is clean. The air lter is washable as it is made of bre. When the unit is operational, make sure you

check the air lter every month.

3) Once every six months

Check whether the heat exchanger and condensate drain pipe are clean. After power disconnection, disassemble the unit to

check the heat exchanger and condensate drain pipe.

NOTE

Casing

assembly

FanFan

Upper propeller

housing

Filter

Motor

Heat

exchanger

Temperature

sensor plug

Drain pan

Casing

assembly

Electric

control

box

4) If necessary, you should:

a) Remove any foreign matters that may impede air ow.

b) Remove the dust with compressed air or clean water and avoid damage to the heat exchanger.

c) Dry with compressed air.

d) Check for any impurities in the drain pipe that may impede water ow.

e) Check whether the system has air.

●Start and let the system run for several minutes.

●Stop the system.

●Open air discharge valve to remove air.

●Repeat this operation until the air is exhausted.

5) Maintain the circuits.

Check whether the power cord, electrical contacts, terminals etc. are loose or damaged.

6) If the motor needs to be replaced, follow the steps below:

a) Unplug the unit.

b) As shown in Figure 4-4, remove screws ①*2 and ②*2 and then the casing.

c) As shown in Figure 4-5, remove screws ①*2 to take the lter out. Then, remove the upper volute.

After that, remove four screws ( ②) that x the motor, to disconnect the motor cable and the main board. Then, take out the fan

and the motor.

Disassemble the fan to get the motor.

Install back the motor in reverse order.

Figure 4-4 Removal of casing Figure 4-5 Removal of lter, upper volute and motor screws

7) If the heat exchanger needs to be replaced, follow the steps below:

a) Unplug the unit.

b) Shut off the water supply.

c) As shown in Figure 4-6, remove screws ①*2 and ②*2 and then the casing.

d) Drain the coil.

e) Disassemble the inlet and outlet pipes.

f)As shown in Figure 4-7, remove screws ①*2 to remove the electric control box.

g) As shown in Figure 4-8, remove screws ①*7 to take the drain pan out. Then, remove screws ②*4 to take the heat

exchanger out.

h) Pull out the temperature sensor plug.

Install back the heat exchanger in reverse order.

Figure 4-6 Removal of casing Figure 4-7 Removing the electric control box Figure 4-8 Removal of drain pan and heat exchanger

NOTE

●The instructions are applicable to IDU only.

Customization is required for use in salty

surroundings (close to the shore).

●Install the water softening device if hard water

that has a high salt content is to be supplied

to the coil.

●Handle with care. Do not exert too much

pressure on the unit.

●Any damages to the fan, unit surface or piping

may cause faults.

8) If the unit or its parts need(s) to be removed, make sure that:

Only a professional person can disassemble the unit.

The system with antifreeze must not be discarded; otherwise, it will cause pollution. It should be collected and then be

disposed off properly.

As a special waste, electronic components must be handled by professional persons together with polyurethane foam,

polyurethane and sound absorbing sponge.

5 Installation Instructions

5.1 Packaging and Assembly

Only trained professionals can move and lift the unit.

Upon arrival of the unit, you must check whether it is intact

and provided with complete accessories. Using damaged

unit may be hazardous.

1) When removing the unit package, follow the steps

below:

Check whether the package and unit are intact and

whether accessories are complete.

Unpack the unit.

Dispose off packaging materials at a suitable waste

receiving or recycling station, depending on the laws of

the country or locality where the installation is to be done.

Place the package out of the reach of children.

5.2 Handling Instructions

Wear personal protective equipment during handling. To

avoid damages to external structures, internal mechanical

and electrical components, caution must be exercised

during handling.

Make sure there are no obstacles or pedestrians along

the way in case collisions or crushing occurs or lifting or

handling equipment falls over.

All of the following operations must be performed in

accordance with current health and safety regulations,

including the equipment used and the procedures

followed. Before operation, verify that the lifting device is

capable of lifting the unit.

You can lift or move the unit using your hand or using a

proper handcart. Move the unit in case it weighs over 30

kilograms and at this time, box it before it can be lifted

using a crane or by similar means.

5.3 Installation

Follow the instructions when installing the unit.

Read the Manual carefully before proceeding with any

operations. Installation can be only performed by a

professional technician. Incorrect installation may lead to

unit faults or degraded performance.

You must abide by the regulations of the country or

locality where the installation is located.

Before installation, unpack the unit and its accessory,and

nd the attached Operation and Installation Manual and

related assembly.

The support surface of installation must be strong enough

to bear the weight of the unit.

Before installation, check with the customer whether the

wall or ground where installation is located has buried

wires, water pipes or gas pipes.

Make sure the inlet and outlet pipes and drain pipe are

air-tight.

1) Check the space technically required for

installation:

Space required for installation.

Space required for connecting the liquid lines and other

valves.

Space required for connecting power supply.

Space required for connecting the unit to the external

control panel (if any).

Space required for setting ow route and air inlet (for

specic models).

Space required for correct and sufcient air ow.

Space required for removing condensate water.

Space required for cleaning the lter.

Space required for cleaning internal assembly and

maintenance.

2) Installation guide:

Remove the casing:

Remove screws ①*2 and ②*2 and then the casing.

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