Shinco KFR-25GWZ/BM, KFR-35GWZ/BM, KFR-50GWZ/BM, KFR-70GWZ/BM Instruction Manual

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Split Type Wall-mounted Inverter Room Air Conditioner

Instruction Manual

Thank you for purchasing a Shinco air conditioner.To guarantee safety and best efficiency, please read this manual carefully and keep it for future reference.

Applicable to

KFR-25GWZ/BM KFR-35GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM

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To Consumers

1. This air conditioning unit should be installed and repaired by a qualified technician.

2. The air conditioning unit must be grounded reliably during the installation.

3. Please clean the air filter nets 1 to 2 times per month when the air conditioner is being used frequently (details inside).

With the compressor and the micro computer controlling chip, the performance is stable and reliable.

The high-efficiency compressor and heat exchanger guarantee higher efficiency and energy-saving. Quiet running.

Some information included in this manual might be different on the unit if parts

are modified by the manufacturer.

Note:

Features:

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SAFETY PRECAUTIONS

Please read the SAFETY AND OPERATING INSTRUCTIONS carefully before operating the unit. Please respect the following safety precautions when using your air conditioner to preventfire, shock hazard or personal injury.

WARNING CAUTION

This sign warns of risk of death or serious injury. This sign warns of injury or damage to property.

This symbol denotes an action that is PROHIBITED. This symbol denotes an action that is COMPULSORY.

INSTALLATION PRECAUTIONS

WARNING

CAUTION





=Do not install, remove or re-install, the unit yourself.

Improper installation may cause leakage, electric shock or fire. The unit should be installed by a qualified technician.





=Please use ground. Improper grounding could cause elec

tric shock. Do not place the ground line near water or gas pipes, elec tric or telephone lines. Improper installation could cause an electric shock.



Do not install the unit in a place where there could be a

gas leak. The unit may catch fire if flammable gas leaks around it.



Please ensure smooth flow of water when installing the

drain hose.

The indoor unit must be installed at least 2.4 meters high

from the floor.

If the fuse on PCB board is blown, please have it

changed by aqualified technician.

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OPERATION PRECAUTIONS

WARNING

CAUTION

Do not operate with wet hands.

Avoid staying directly in front of operating unit.

Do not insert foreign objects into the unit.

Always have the unit repaired by a professional technician -

contact a service center.

Danger of electric shock or fire if used improperly.

Do not use if the power cord is damaged, it could cause an

electric shock or fire.

Do not allow children to operate the air conditioner.

Never sit on the unit.

 If you notice an abnormality (burnt smell, etc) please shut

the power off and unplug the unit.

The unit should not be used for any other purpose.

Avoid spilling liquids on the unit.

Do not place the air conditioner close to a heat source, it

could cause a deformation or color fading.

Do not block the air intake and outlet vents.

Do not let the air conditioner function at maximum power for

an extended period of time (close all doors and windows).

Do not operate without the air filter installed or when the

front intake grill has been removed.

Do not place anything on the unit.

Always turn the power off before cleaning the air condi

tionerto avoid any possible accidents.

Please ensure proper ventilation when using the air

conditioner.

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CONTENTS

To Consumers .......................................................... 1

SAFETY PRECAUTIONS ........................................ 2

OPERATING PRECAUTIONS ................................. 3

2. Batteries ............................................................................................................................. 7

3-1 Setting the clock ............................................................................................................... 7

3-2 Wind Speed-Wind Direction Adjustment........................................................................... 8

3-3 Timer setting ..................................................................................................................... 8

3-4 Cooling•Heating•Dehumidy mode .................................................................................... 9

3-5 Ventilator mode................................................................................................................. 9

3-6 Drying clothes mode .........................................................................................................9

3-7 Auto running ................................................................................................................... 10

3-8 Powerful mode ................................................................................................................ 10

3-9 Sleeping mode ................................................................................................................ 10

3-10 Switching from Co to F

.........................................................................................................................................................................

3-11 Sensor Switching mode ................................................................................................ 11

4. Maintenance ..................................................................................................................... 11

5. Efficiency guide................................................................................................................. 12

6. Trouble Shooting............................................................................................................... 13

Part  Installation Instruction..........................14

1. Select the location for installation ..................................................................................... 14

2. Installation of Indoor Unit ...............................................................................................15

2-3 Installation of the Power Source ..................................................................................... 16

2-4 Installation of Drain Hose ............................................................................................... 16

2-5 Arrangement of Pipes ..................................................................................................... 17

3. Installation of Outdoor Unit ............................................................................................... 18

3-1 Flared Joint .................................................................................................................... 18

3-2 Pipe Joint ........................................................................................................................ 18

3-3 Drain Hose ...................................................................................................................... 19

3-5 Installation of the exterior draining pipe .......................................................................... 21

4. TEST RUN ........................................................................................................................ 21

4-1 Pipe-cleaning and vacuum verification ........................................................................... 21

4-2 Test Run Procedure ........................................................................................................ 21

4-3 Instructions to Consumers .............................................................................................. 22

Main Specifications .........................................23

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23456789012345678

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Two AAA Size 1.5v batteries

Remove front cover

(Change the batteries)

4. Wind speed display : (Low) (Medium)

(High) (Auto)

5. Present time display:

6. Signal transmitting display:

7. Wind direction display: (Wind direction adjustment)

TIME

Press “SET TIMER”, the minutes indicator will be flashing, then use the arrows to set the minutes (0~59 minutes) press “SET TIMER” again. Do the same thing to set the hour (0~23 hours).

Avoid direct sunshine and other heat resources. If the remote control does not function properly, please press the restart button or change the batteries. Remove the front cover of the remote control. Please use two new AAA size 1.5V batteries of the same brand. Be sure to observe polarity. The batteries should be taken out of the unit if it is not used for a long period of time. Never mix new and used batteries.

Directions:

1. Mode display: (Auto) (Cooling) (Dehumidifying) (Heating) (Fan) (Dry clothing)

2. Temperature setting display:

3. The temperature around the remote controller display:

TEMP

2. Batteries

8. Sensor switching display:

9. Sleep timer display:

10. One hour setting display:

11. High power display:

12. Lock display:

13. Timer setting display:

SET

OFF

LOCK

3-1 Setting the clock

1 HR

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3-2 Wind Speed-Wind Direction Adjustment

SET TIMER

TIME

Attention:

The clock can be set even if the unit is closed.

For your comfort, adjust the wind speed and direction correctly. To adjust the wind speed, press on SPEED (see below):

Low

change in turn

Medium High Auto

downward

45°

To adjust the wind direction press DIRECTION (see below) Regulate the horizontal wind direction:

Static Swing up and down

Change in turn

To set the starting time press the TIMER button, when ON displays in the time section on the LCD screen, use the arrows to enter the desired starting time and then press SET TIME again. The unit will start automatically at the time you have set.

To set the stop time press the TIMER button, when OFF displays in the time section on LCD screen, use the arrows to enter the desired stopping time and then press SET TIME again. The unit will stop automatically at the time you have set.

ONSET

3-3 Timer setting

OFFSET

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To cancel time setting press the TIMER button. Nothing will be displayed on the LCD screen.

One hour setting Press the 1HR button, the one hour setting function is on (the unit stops after running for 1 hour). To cancel press the 1HR button again.

Note: the values used to display time are from 00:00 to 23:59.

3-4 Cooling•Heating•Dehumidy mode

Press ON/OFF button. Press MODE button, and choose “Cooling”, “Heating” or “Dehumidify” mode. Press the arrows to regulate temperatures between 16 and 30 degrees Celsius. Press the arrows button once, the temperature changes 1 degree at a time. Press the SPEED button to adjust the air flow. Press the DIRECTION button to adjust the wind direction. Press ON/OFF to close the air conditioner.

Attention: If the unit is closed the LCD screen shows the room temperature. The

green light indicates the unit is in cooling or heating mode. The green light will be flashing when the outside temperature is very cold.

During heating mode, if the exterior temperature is very cold, it is possible that the air flow could be less powerful and the unit could make some noise and the internal ventilator could stop. It is also possible that the exterior unit could stop or that some vapour could evaporate from it, etc. This phenomenon is normal when exterior temperature is very cold.

3-5 Ventilator mode

Press ON/OFF. Press MODE, choose the ventilator mode. Press SPEED, choose the desired speed. Press ON/OFF to stop the unit.

Press the ON/OFF button then press MODE button and choose “Drying Clothes” mode. Press the ON/OFF button to close the air conditioner.

3-6 Drying clothes mode

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Attention:

1. Select the cooling, heating or dehumidify mode according to the room

temperature.

2. If the quantity of clothes to dry is too large or the dehumidify mode is not activated,

then the drying will not be completed.

Choose temperature, wind speed and direction automatically. Press ON/OFF button then press MODE button and choose “Auto“ setting. Press TEMP to select the desired temperature and adjust the wind flow and wind direction.

To close press the ON /OFF button.

3-7 Auto running

Press “POWERFUL” in heating or cooling mode and the symbol will appear on the LCD screen. Press POWERFUL again to cancel.

3-8 Powerful mode

Attention:After operating at maximal power for 15

minutes the unit will automatically stop and then restartat the preset temperature. The symbol will disappear on the LCD screen. The unit will make more noise at maximal power.

Use the SLEEP mode to stay comfortable thru the night, the symbol will appear on the LCD screen. To cancel, press SLEEP again.

In cooling mode: one hour after activating the SLEEP mode the preset temperature increases by one degree automatically, and two hours after the preset temperature increases by one degree automatically again.

3-9 Sleeping mode

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In heating mode: one hour after activating the SLEEP mode the preset temperature increases by 2 degrees automatically, and two hours after the preset temperature increases by another 2 degrees automatically again. This function will assure your comfort thru the night.

Press SLEEP button again to cancel the sleep function.

3-10 Switching from Co to F

Press 0C / 0F button to switch the display from Celsius to Fahrenheit.

Use this function when the room temperature is uneven. The temperature around the remote control can be transmitted to the unit to adjust the temperature.

Press SENSOR when the unit is in use in heating or cooling mode and this symbol will show on the LCD screen. Press SENSOR again to cancel

3-11 Sensor Switching mode

Attention: Always unplug unit before cleaning. Clean the filters every two weeks.

4. Maintenance

Clean with soft cloth

Cleaning of the remote control Clean the intake vent grill

Clean with a damp cloth and dry. If necessary use a gentle soap.

Clean with a damp cloth

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Clean the air filter (once every two weeks)

1. Hold the two ends of the

grill and gently push the filters downward

2. Use vacuum cleaner or water to clean the filters and then dry.

3. To put the filters back into place hold the two ends of the grill and insert the filters.

Intake vent grill

Lift and pull downwards

Raise and insert

When the machine will not be used for a long period of time

Run to dry the inside of the machine=Pull out the power plug Take the batteries out

of the remote control.

5. Efficiency guide

Try to keep windows and doors closed. Avoid direct sunlight to indoor unit. Keep the air filters clean.

Adjust the vertical and horizontal air direction to get a comfortable indoor temperature. Do not place yourself directly in front of the operating unit. Raising the fan speed can enhance the cooling efficiency. In heating operation, the humidity level of the room should be adjusted properly, or the air will be dry and uncomfortable.

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6. Trouble Shooting

Before calling a repair man, please check the followings:

The air conditioner does not work

The unit does not blow warm air in heating mode

Low efficiency of cooling or heating

Noise

Abnormality on the remote control screen

Cold water leaking from the air conditioner

Symptom Possible reason

• Moisture will occur in the air outlet due to the tempera ture difference.

• Batteries need to be replaced.

• Batteries are inserted incorrectly. Take the batteries out and insert them again.

• The air filters are too dirty.

• The intake vent or outlet vent is blocked up.

• In heating operation, the ambient temperature is too low.

Defrosting operation may be required.

• The compressor is in a delay mode (to protect the

compressor there are several minutes delay for every start) wait a few minutes after starting the unit.

• The hot air will be blown out only after the defrosting operation.

• Problem with the remote control.

• Problem with the voltage. Please shut the power,

wait 3 minutes and restart the unit.

• Verify the circuit breaker or fuse.

• Water leak noise. It is the sound of the circulation of

refrigerant.

• Condensed air leaking out. In heating operation, during the defrosting, it is the sound of the back-flow refrigerant.

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To guarantee the unit it must be installed according to the instructions in this manual.

• The air conditioner has to be grounded properly.

• Check the connecting cables and pipes carefully, make sure they are correct

and firm before connecting the power of the air conditioner. The maximum length of the connecting pipe between the indoor unit and outdoor unit should be no more than 5 metres (or it will affect the efficiency) .

• After installation, the consumer must operate the air conditioner according to

the instructions in this manual.

Caution: The installation must be performed in accordance with the National/ Re-

gional Wiring Standard or Code by a qualified technician.

Caution: The indoor unit must be installed at least 2.4m(8ft) above floor or ground

level.

Warning: Risk of electric shock can cause injury or death: Disconnect all remote electric power supplies before servicing. There must be an air-break switch between indoor and outdoor unit which needs to be installed close to the indoor unit.

Part



Installation Instruction

1. Select the location for installation

1-1 Indoor unit

• Must be placed on a rigid wall with no vibrations.

• No obstacle in front of air intake and outlet vents, the distance between the top

of the unit and the ceiling should be at least 10cm (4 inches).

• Place unit where the cold air can be blown evenly throughout the room.

• The maximum distance between the indoor unit and outdoor unit is 5 metres;

the same distance must be respected for the height.

• Avoid direct sunlight. Exhaust water must be easily drained.

• The air filter must be installed or removed easily (there should be at least 20

cm of free space under the unit).

• The distance between the unit and a television or a radio should be more than

1 metre (because the unit can disturb the images of the television and make some noise).

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• The unit has to be more than 1 metre away from a fluorescent lamp or other

electric bulbs ( they could interfere with the remote control).

1-2 Outdoor unit

• It should be installed in a well ventilated place that is protected from strong

winds.

• It should not be exposed to direct sunlight and rain.

• It should be installed where the operating noise will not disturb neighbours. It

should be placed on a solid base to avoid vibrations or noise.

• Keep away from flammable gas.

• If the unit is installed on a raised base make sure it is well secured.

2. Installation of Indoor Unit

As the unit is heavy, the wall should have sufficient strength and durability for operation of the air conditioner, and for prevention of any vibration or noise. If it is weak, reinforcement work should be performed prior to installation.

There should be more than 10cm of space all around while installing the indoor unit.

Tie a thin cord in the hole

More than 10 cm

Installation plate

The level can be obtained easily by aligning the hanging cord with the stripe of middle holes

Fix screw ST4 X 30

2-1Fix the wall-mounted plate

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2-2 Drill a hole in the wall

• Select the location.

• Drill a hole of approximately 6.5 cm diameter

Insert the wall-through sheath into the hole

Hole thru wall

Thickness of wall

Indoor

Wall-throughSheath

ø6.5 cm

We recommend that you do not use an extension cord or an adapter plug with this appliance. Do not change the plug on the power cord of this appliance.

The specification of the power wires and the connecting wires should respect the relative standards, the AWG size of connection cords between indoor and outdoor unit is 16 and for the power supply cord it is 14.(the one of KFR-70GWZ/BM is 12.)The connection of the wires must be done strictly according to the diagrams and connecting marks. Only the same marks can be connected together. The location of the connecting cables between the indoor unit and outdoor unit must be out of direct sunlight exposure.

2-3 Installation of the Power Source

W arning:

NEVER cut a power wire open. A wrong connection could cause major incidents. Do not use a damaged supply cord, it must be replaced to avoid an electric shock.

2-4 Installation of Drain Hose

Medium power connecting wire

Power bar

Indoor unit

• The drain hose should be put below the refrigerant pipe (copper pipe)

• Do not bend the drain hose or raise it.

• Do not wrap the drain hose too tightly.

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The drain hose must be put below the copper pipe. Put together the refrigerant pipe, drain hose and the connecting wire of indoor and outdoor units. Wrap them with binding belt. The pipes can be arranged towards five directions (back, right, left, down and left-back). Bind the pipes with binding belt from the place closest to the elbow (The overlap of the binding should be 1/2 of the width). Bind the pipes from 1 cm inside of the unit, if you direct the pipes from the left side.

2-5 Arrangement of Pipes

Front

Left

Left back

Down

Back

Right

Cut off this part directing pipes toward left side

1cm

Cut off this part when directing pipes to right side

Cut off this part when directing pipes down ward

Installation of Indoor Unit

Pass the pipes through the wall, hoist the unit on the installation plate and fix the lower part with a hook.

Install the wall-through bushing sheath at suitable place

Wall-through bushing

Attention! Do not raise the drain hose

Installation plate

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The outdoor unit should be installed on a solid base. (Such as concrete) If it is installed against a brick wall, the thickness of the brick wall should be at least 10cm deep. If there is a vibration, please install the protective anti-vibration rubber spacer. Do not install the unit directly on the ground; the base has to be solid and resistant enough to support the weight of the unit. It has to be firmly fixed. The unit should not be installed on an angle greater than 50.

When installing the unit, be sure to leave a space of 50 cm in front, more than 10 cm behind, on top and on the left side of the unit and leave a space of 35 cm on the right side.

3. Installation of Outdoor Unit

3-1 Flared Joint

You will have a flared joint on both units (indoor and outdoor). As indicated on the diagram, the refrigerant pipe is used to connect the indoor unit and the outdoor unit.

Indoor unit

Outdoor unit

Refrigerant verification = If the length of the pipe is more than 5m, please refill the refrigerant (fleon R410A).

Pipe length

less than 5m more than 5m

need not to refill refrigerant need to refill refrigerant 50g/m

One of the major causes for a gas leak is due to a defective flared joint, so please verify the quality of the installation.

3-2 Pipe Joint

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1. pipe cutting Use pipe cutter to cut the copper pipe correctly

qualified

Copper pipe 90

Unqualified

Burr

tilted rugged

Copper pipe

Pipe cutter

2.remove burrs Get rid all the burrs of the pipes section.

Burr

3.install the nut Remove the connecting nut which is installed on the indoor unit and outdoor unit, after rid the pipe of burrs, install it on the pipe again.

Connecting nut

Copper pipe

4. Flare work Use the follow instruments to undertake flare work.

Die

yoke die

Copper pipe

Connecting nut

Tilted

Flare instrumen

5. Check Compare the flare work with the following diagrams. The flared part should be cut off and flared again if there are some deficiencies of the flare work.

























Over flared

Even Broken Rugged

Copper pipe

External diameter(mm)

1/4 3/8 1/2 5/8

A(mm)

0.8~1.5

1.2~1.8

1.2~2.0

1.5~2.5

1. Connection of the indoor unit.

Connect the thick and thin pipes to the indoor unit.

Apply a thin coat of refrigerating oil on the pipes joints. When connecting, screw the centre and then screw the first 3-4 turns of the connecting nut by hand. Use the wring torque diagram as the standard of indoor pipe’s connection, use two spanners to tighten them; over-tightening will damage the flared joint

External diameter(mm)

1/4 3/8 1/2 5/8

Wring torque(kgfcm)

150~210 380~450 400~460 500~575

2. Connection of outdoor unit.

Proceed the same way as the indoor unit. Connect the pipes with the outdoor unit’s valve. Use a spanner to grip the valve and use the torque spanner to grip the connecting nut. Connect the pipe to outdoor unit with the same wring torque as used for the indoor unit.

Caution: Proper insulation thickness. If the insulation is too thick, it could cause an accumulation of water behind the indoor unit. If the insulation is too thin it could cause moisture and water dripping.

3-3 Drain Hose

To drain the water, please incline the drain hose downwards (diagram 1). Do not install as shown on diagram 2~5.

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3-4 Electric wire connection

L3 L4 S G

Indoor Electric parts

Air-break switch

L3 L4 S G

Outdoor Electric parts

Outdoor Encloser

Intdoor Evaporator

L1 L2 G

Outdoor Electric parts

Air-break switch

Power supply

Outdoor Encloser

The installation must be done as indicated on the diagram, connect the power wires according to the stipulated order and colors. The power wires between the indoor unit and the outdoor unit must be corresponding with each other (colour, order and diameter) The yellow-green wire is the grounding wire, it must be connected to an adequate electric power socket or it could cause an incident. After installation, the wires must be pressed tightly with the wire clip. Make sure the wires are attached solidly by pulling gently.

If the connecting wires are not long enough replace them with wires of same diameter and color.

Warning

The wires must be connected properly otherwise it could cause a short circuit.

If the drain hose installed on the indoor unit is not long enough, please connect as shown on the diagram to your right. If the drain hose needs pass through indoors, please wrap it with heat insulation materials which are available at your local hardware store.

Incline downward

Do not raise the drain hose

Dripping

(1) (2) (3) (4) (5)

Dripping

air

The distance between the hose end and the ground is less than 5cm

The end of the drain hose is dipped into water

Drainage retention

Wave

Dripping

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4. Test Run

Make sure all the pipe joints have been screwed tightly, then clean the pipes and verify the vacuum. Remove the valve core copper caps of the high pressure valve and the low pressure valve. Remove copper cap of refrigerant-adding valve, measure the vacuum with the vacuum pump (value should be less than 10Pa) Close the copper cap of refrigerant-adding valve. Unscrew the high pressure valve and low pressure valve. Use the leakage detector or soapy water to check the system pipe joint and valve cap for leakage.

If there is no leakage, screw tightly the copper caps of valve cores

3-5 Installation of the exterior draining pipe

Insert the drainage pipe into the hole of the base, connect an extending pipe to drain the water.

Base hole of the outdoor unit catchment trough

4-1 Pipe-cleaning and vacuum verification

4-2 Test Run Procedure

Before testing, please check all the connecting wires and pipes carefully to see if they are correctly connected, verify if the stop valve is completely opened or closed, and if the air conditioner has been grounded correctly. Connect the air conditioner system to the power source, a “Du” sound emitted by the indoor buzzer should be heard. Turn the air conditioner ON with the remote control. Please choose the “heating” mode and set temperature at 25

C to check the heating

function. Please choose the “cooling” mode, set temperature at 16

C to check the

cooling function

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4-3 Instructions to Consumers

Remark

Check the following items according to the related contents of this manual.

Indoor unit : Is the noise abnormal? Does every indicating lamp function normally? Does it drain smoothly?

Outdoor unit: Is there abnormal noise or vibration when it is running? Does the noise and water drainage disturb the neighbours? Is there a gas leak?

The remote control: Do all the function keys work normally? When transmitting the signal, does the indoor unit emit a “Du” sound?

After installation, the service technicians are required to: Explain the operation methods, the key functions, and any other information included in this manual. Explain how to remove and install the filters and how to control the wind direction. How to place the batteries in the remote control. Advise the consumers to read this instruction manual carefully before operation, and answer the consumers’ questions.

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The above mentioned cooling and heating capacities are standard and may vary slightly in accordance with the ambient temperature.

Please use the unit for heating when the outdoor temperature ranges from –70C to 430C and for cooling when outdoor temperature ranges from 180C to 430C.

The air conditioner should be connected to its own separate circuit.

No notice will be given if there are changes in the data, please take the data on the unit’s name plate as the standard.

Note:

Data Model

Item

Type Cooling Capacity (Btu/h) Heating Capacity (Btu/h) Rated Voltage (V) Rated Frequency (Hz) Rated Cooling Power Input (W) Rated Heating Power Input (W) Mass:indoor unit/outdoor unit (lbs) Air Flow:indoor unit (m

/h) Design Pressure of High Side (PSI) Design Pressure of Low Side (PSI) Refrigerant:type/quantity (lbs)

Main Specifications

KFR-25

GWZ/BM

9000

10400

765 880

24/77

450 500 250

R410A/1.85

KFR-35

GWZ/BM

12000 13650

1075 1160

24/95

500 500 250

R410A/2.1

18000 19100

1670 1720

35/112

800 500 250

R410A/2.9

KFR-50

GWZ/BM

KFR-70

GWZ/BM

Cooling & Heating

230

24000 27000

2400 2550

37/150

1200

500 250

R410A/4.2

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Serial No.: eb45493 Version:090318