Cooper & Hunter CH-FFC22K2 Istruzioni operative

Thank you for choosing Cooper&Hunter, please read this installation & owner`s manual carefully before

operation and retain it for future reference.

FANCOIL UNIT

Installation & Owner`s manual

Fancoil unit

Models:

CH-FFC22K2

CH-FFC30K2

CH-FFC42K2

CH-FFC53K2

CH-FFC67K2

CH-FFC82K2

CONTENTS

101

Standard Conditions for Use

Switch and Control

Air Supply Direction Adjustment

3.1

3.2

3.3

2.1 02

Meaning of Various Labels

PRODUCT OVERVIEW

WARNING

OPERATION INSTRUCTIONS

Troubleshooting

Non-Unit Related Faults

Product Data

6.1

6.2

6.3

SERVICE GUIDE

Packaging and Assembly

Handling Instructions

Installation

Liquid Pipe Connections

Electrical Connection

Startup Guide

5.1

5.2

5.3

5.4

5.5

5.6

INSTALLATION INSTRUCTIONS

Maintenance by Customer

Professional Maintenance

4.1

4.2

CLEANING AND MAINTENANCE

2.2 02

Warning

2.3 02

Note

2.4 03

Information

1 PRODUCT OVERVIEW

This ceiling and floor 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.

NOTE

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.

Air outlet

Air inlet

Product appearance(exposed)

Air outlet

Air inlet

Product appearance(exposed)

Operation and Installation Manual

Fastening screw

Three-way valve and its piping assembly

Auxiliary drain pan

Wired controller

7 Inlet hose

Footing

Pcs Accessories

Pcs 4

NO. Name Schematic Unit Qty Remarks

To be purchased separately

To be purchased separately from

manufacturer

To be purchased separately from

anufacturer

To be purchased separately from

manufacturer

Set

Pcs 1

To be purchased separatelyPcs 1

8 Outlet hose To be purchased separatelyPcs 1

9 Filter To be purchased separatelyPcs 1

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

Set

11 1 To be purchased separately

Drain pipe Pcs

Do not install the unit where flammable gas may leak.

Otherwise, fire may occur. Do not install the unit in

potentially explosive atmospheres.

Keep the unit far away from combustible spray to

avoid fire.

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

as it may cause fire 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

specified 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

qualified person in order to avoid a hazard.

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 first 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.

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

2.3 Note

A situation that may lead to death or injury.

WARNING

A situation that may cause damage to the unit or

loss of property.

Indicates a useful hint or additional information.

INFORMATION

NOTE

2.2 Warning

Ask professional staff to install (install for the first

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

qualification. Do not attempt to install or repair the air

conditioner by yourself, as any improper operations

may lead to fire, 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, fire 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 fire.

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-filled

container on the unit.

Do not operate the switch with wet hands, or electric

shock may occur.

Do not put your fingers 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.

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.

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 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.

3.1 Standard Conditions for Use

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.

3.2 Switch and Control

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, fire-proof and

well-ventilated place without any corrosive gas.

To avoid shock during transportation, fix the unit and

its accessories on the transportation platform with

ropes or by other means.

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 flammable 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 flows out. Otherwise, the heat exchange

performance may be significantly compromised.

During operation

Filter is normally not removed except for

maintenance purpose, as doing so may cause foreign

objects to enter the unit.

2.4 Information

Figure 3-1 Installation position of wired controller

Figure 3-2 After installation of wired controller

Controller installation place

Wired

controller

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

Water inlet pressure range is 0-1.6MPa.

Use the system in the following temperature for safe and

effective operation.

17-32°C

Cooling

Mode Indoor temperature

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.

In normal cases

In cooling mode, fog may appear at the air outlet.

1) Start and stop

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.

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

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

time

Leave the unit unused for a long period

Before starting the unit again, you should:

clean or replace the air filter.

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.

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.

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.

Controller output voltage Fan speed

shutdown

low

medium low

medium

medium high

high

super high

strong

Seven fan

speeds

Auto speed

0≤voltage<1

1≤voltage<3

3≤voltage<4

4≤voltage<5

5≤voltage<6

6≤voltage<7

7≤voltage<8

8≤voltage<10

The wired controller is adjusted according to the

logic of the seven-level control system.

Table 3-1 0-10Vwired controller output signal specification table

4.2 Professional Maintenance

4.2.1 Structure

4 CLEANING AND

MAINTENANCE

4.1 Maintenance by Customer

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.

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.

The filter is at the bottom of the unit, while the air return

outlet is at the bottom or the rear side.

To take the air filter out, do as follows:

a) Remove the screws ① and ②.

b) Rotate the filter bracket.

c) Pull out the filter.

1) Cleaning the air filter

To ensure proper air return, clean the air filter at least

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

filter must be cleaned on a more frequent basis. Take the

air filter out before you can clean it.

Blow the air filter with compressed air or clean it in water.

Before putting the filter back, make sure it is clean and

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

Figure 4-1 Diagram of removing the filter

NOTE

Do not touch the heat exchanger to avoid any

personal injury.

To adjust the air supply direction, do as follows:

1) Remove the screws (M3.9*10) fixing 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.

You can manually adjust the louver to change the air

supply direction.

3.3 Air Supply Direction Adjustment

Figure 3-3 Adjusting the air supply direction

Screw

screw

Figure 4-2 Diagram of unit (exposed)

4.2.2 Maintenance

Figure 4-3 Diagram of unit (concealed)

NOTE

Only qualified technicians who have unit and refrigeration system experience can perform maintenance operation.

Proper gloves are required.

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 filter is made of nylon fibre, and the aluminum alloy air filter 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 fin type heat exchanger is composed of copper pipe and aluminum foil, and

the heat exchanger pipe connection can be changed on site.

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 filter is clean. The air filter is washable as it is made of fibre. When the unit is operational, make sure you

check the air filter 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.

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

Figure 4-4 Removal of casing

Figure 4-6 Removal of casing Figure 4-8 Removal of drain pan and heat exchanger

Figure 4-5 Removal of filter, upper volute and motor screws

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 filter out.

Then, remove the upper volute.

After that, remove four screws (②) that fix 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.

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.

Casing

assembly

Heat

exchanger

Temperature

sensor plug

Drain pan

Casing

assembly

Figure 4-7 Removing the electric control box

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:

4) If necessary, you should:

a) Remove any foreign matters that may impede air flow.

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 flow.

FanFan

Upper propeller

housing

Filter

Motor

Electric

control

box

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.

5.1 Packaging and Assembly

5 Installation Instructions

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.

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

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 find 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 flow route and air inlet (for

specific models).

Space required for correct and sufficient air flow.

Space required for removing condensate water.

Space required for cleaning the filter.

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.

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.

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