mundoclima Series MUPR-H6 User manual

English

CL20015 to CL20018

MUPR-H6

www.mundoclima.com

Service manual

Thank you very much for purchasing our products.

Please read this manual carefully before installing

and using the unit.

INVERTER SERIE H6

AESFI-A-1509

CONTENTS

1. Precaution .................................................................................................................................................... 3

1.1 Safety Precaution .......................................................................................................................... 3

1.2 Warning ......................................................................................................................................... 3

2. Function ........................................................................................................................................................ 6

3. Dimension .................................................................................................................................................... 7

3.1 Indoor Unit ..................................................................................................................................... 7

3.2 Outdoor Unit ................................................................................................................................ 10

4 .Refrigerant Cycle Diagram ....................................................................................................................... 14

5. Wiring Diagram ………………………………………………………………………………………………….…15

6. Installation Details ..................................................................................................................................... 15

6.1 Wrench torque sheet for installation ........................................................................................... 18

6.2 Connecting the cables ................................................................................................................ 18

6.3 Pipe length and the elevation ..................................................................................................... 19

6.4 Installation for the first time ......................................................................................................... 20

6.5 Adding the refrigerant after running the system for many years ................................................ 21

6.6 Re-installation while the indoor unit need to be repaired ........................................................... 22

6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 23

7. Disassemble Guide.................................................................................................................................... 24

8. Operation Characteristics ......................................................................................................................... 30

9. Electronic function .................................................................................................................................... 31

9.1 Abbreviation ................................................................................................................................ 31

9.2 Display function ........................................................................................................................... 31

9.3 Main Protection ........................................................................................................................... 32

9.4 Operation Modes and Functions ................................................................................................. 33

9.5 Multi-function board instruction ................................................................................................... 40

10. Troubleshooting ....................................................................................................................................... 42

10.1 Indoor Unit Error Display........................................................................................................... 43

10.2 Troubleshooting ....................................................................................................................... 44

3

1. Precaution

1.1 Safety Precaution

 To prevent injury to the user or other

people and property damage, the following

instructions must be followed.

 Incorrect operation due to ignoring

instruction will cause harm or damage.

 Before service the unit, be sure to

read this service manual at first.

1.2 Warning

 Installation

 Do not use a defective or underrated

circuit breaker. Use this appliance on a

dedicated circuit.

There is risk of fire or electric shock.

 For electrical work, contact the dealer,

seller, a qualified electrician, or an

authorized service center.

Do not disassemble or repair the product,

there is risk of fire or electric shock.

 Always ground the product.

There is risk of fire or electric shock.

 Install the panel and the cover of

control box securely.

There is risk of fire of electric shock.

 Always install a dedicated circuit and

breaker.

Improper wiring or installation may cause fore

or electric shock.

 Use the correctly rated breaker of

fuse.

There is risk of fire or electric shock.

 Do not modify or extend the power

cable.

There is risk of fire or electric shock.

 Do not install, remove, or reinstall the

unit by yourself (customer).

There is risk of fire, electric shock, explosion,

or injury.

 Be caution when unpacking and

installing the product.

Sharp edges could cause injury, be especially

careful of the case edges and the fins on the

condenser and evaporator.

 For installation, always contact the

dealer or an authorized service center.

 Do not install the product on a

defective installation stand.

 Be sure the installation area does not

deteriorate with age.

If the base collapses, the air conditioner could

fall with it, causing property damage, product

failure, and personal injury.

 Do not let the air conditioner run for a

long time when the humidity is very high

and a door or a window is left open.

 Take care to ensure that power cable

could not be pulled out or damaged during

operation.

There is risk of fire or electric shock.

 Do not place anything on the power

cable.

There is risk of fire or electric shock.

 Do not plug or unplug the power

supply plug during operation.

There is risk of fire or electric shock.

 Do not touch (operation) the product

with wet hands.

 Do not place a heater or other

appliance near the power cable.

There is risk of fire and electric shock.

 Do not allow water to run into

electrical parts.

It may cause fire, failure of the product, or

electric shock.

 Do not store or use flammable gas or

combustible near the product.

There is risk of fire or failure of product.

 Do not use the product in a tightly

closed space for a long time.

Oxygen deficiency could occur.

 When flammable gas leaks, turn off

the gas and open a window for ventilation

before turn the product on.

4

from product, turn the breaker off or

disconnect the power supply cable.

There is risk of electric shock or fire.

 Stop operation and close the window

in storm or hurricane. If possible, remove

the product from the window before the

hurricane arrives.

There is risk of property damage, failure of

product, or electric shock.

 Do not open the inlet grill of the

product during operation. (Do not touch the

electrostatic filter, if the unit is so equipped.)

There is risk of physical injury, electric shock,

or product failure.

 When the product is soaked, contact

an authorized service center.

There is risk of fire or electric shock.

 Be caution that water could not enter

the product.

There is risk of fire, electric shock, or product

damage.

 Ventilate the product from time to

time when operating it together with a stove

etc.

There is risk of fire or electric shock.

 Turn the main power off when

cleaning or maintaining the product.

There is risk of electric shock.

 When the product is not be used for a

long time, disconnect the power supply plug

or turn off the breaker.

There is risk of product damage or failure, or

unintended operation.

 Take care to ensure that nobody

could step on or fall onto the outdoor unit.

This could result in personal injury and

product damage.

 CAUTION

 Always check for gas (refrigerant)

leakage after installation or repair of

product.

Low refrigerant levels may cause failure of

product.

 Install the drain hose to ensure that

water is drained away properly.

A bad connection may cause water leakage.

 Keep level even when installing the

product.

It can avoid vibration of water leakage.

 Do not install the product where the

noise or hot air from the outdoor unit could

damage the neighborhoods.

It may cause a problem for your neighbors.

 Use two or more people to lift and

transport the product.

 Do not install the product where it will

be exposed to sea wind (salt spray) directly.

It may cause corrosion on the product.

Corrosion, particularly on the condenser and

evaporator fins, could cause product

malfunction or inefficient operation.

 Operational

 Do not expose the skin directly to

cool air for long time. (Do not sit in the

draft).

 Do not use the product for special

purposes, such as preserving foods, works

of art etc. It is a consumer air conditioner,

not a precision refrigerant system.

There is risk of damage or loss of property.

 Do not block the inlet or outlet of air

flow.

 Use a soft cloth to clean. Do not use

harsh detergents, solvents, etc.

There is risk of fire, electric shock, or damage

to the plastic parts of the product.

 Do not touch the metal parts of the

product when removing the air filter. They

are very sharp.

 Do not step on or put anything on the

product. (outdoor units)

 Always insert the filter securely.

Clean the filter every two weeks or more

often if necessary.

A dirty filter reduces the efficiency of the air

conditioner and could cause product

malfunction or damage.

 If strange sounds or smoke comes

5

 Do not insert hands or other objects

through air inlet or outlet while the product

is operated.

 Do not drink the water drained from

the product.

 Use a firm stool or ladder when

cleaning or maintaining the product.

Be careful and avoid personal injury.

 Replace the all batteries in the remote

control with new ones of the same type. Do

not mix old and new batteries or different

types of batteries.

There is risk of fire or explosion.

 Do not recharge or disassemble the

batteries. Do not dispose of batteries in a

fire.

They may burn of explode.

 If the liquid from the batteries gets

onto your skin or clothes, wash it well with

clean water. Do not use the remote of the

batteries have leaked.

6

2. Function

Model Names of Indoor/Outdoor Units

Capacity Indoor units Outdoor units

9k MUPR-09-H6 (UI20015) MUPR-09-H6 (UE20015)

12k MUPR-12-H6 (UI20016) MUPR-12-H6 (UE20016)

18k

MUPR-18-H6 (UI20017) MUPR-18-H6 (UE20017)

24k MUPR-24-H6 (UI20018) MUPR-24-H6 (UE20018)

7

3. Dimension

3.1 Indoor Unit

Model W D H

MUPR-09-H6 (UI20015) 717 193 302

MUPR-12-H6 (UI20016) 805 193 302

MUPR-18-H6 (UI20017) 964 222 325

MUPR-24-H6 (UI20018) 1106 232 342

8

For MUPR-09-H6 (UI20015),

9

For MUPR-12-H6 (UI20016),

For MUPR-18-H6 (UI20017),

10

For MUPR-24-H6 (UI20018),

3.2 Outdoor Unit

11

For MUPR-09-H6 (UE20015),

12

For MUPR-12-H6 (UE20016), MUPR-18-H6 (UE20017),

13

For MUPR-24-H6 (UE20018),

14

4. Refrigerant Cycle Diagram

LIQU

ID SIDE

GAS SIDE

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

2-WAY VALVE

3-WAY VALVE

4-W

AY VALVE

COOLING

HEATING

T2

Evaporator

temp. sensor

T1 Room temp.

sensor

ACC

UMULATOR

INDOOR OUTDOOR

CH

ECK VALVE

(Heating Model only)

CAPILIARY TUBE

15

5. Wiring Diagram

5.1 Indoor Units

For MUPR-09-H6 (UI20015), MUPR-12-H6 (UI20016), MUPR-18-H6 (UI20017) and MUPR-18-H6 (UI20018)

INDOOR WIRING DIAGRAM

ROOM TEMPERATURE SENSOR

PIPE TEMPERATURE SENSOR

SWING MOTOR1

M

CN19

INDOOR UNIT

OUTDOOR UNIT

YELLOW

Y/G

WHI ET

RED

5(10)

INDOOR

FAN

M

5(3)

CN12

N_IN

CN31

CN29

CN15

RY1

L-OUT

L-IN

P_1

W

2(N)

S

BLUE(BLACK)

16022000020169

DISPLAY BOARD

CN18

4

Wire Controller

2

OPTIONAL

MULTI-FUNCTION CONTROL BOARD

OPTIONAL

1(L)

Wi-Fi

Controller

OPTIONAL

CN3

Applicalbe for MONO unit with

1W standby control feature

Applicable for MULTI and

MONO unit without 1W

standby control feature

OPTIONAL

MAIN BOARD

5

CN2

CN4

CN1

CN40

CN43

CN32

2

CN42

CN41

CN45

CN46

CN44

X Y

E 12V/5V

HA HB

0

8

4

1

2

3

5

6

7

C

9

A

B

D

E

F

1

2

ON

0

8

4

1

2

3

5

6

7

C

9

A

B

D

E

F

1

2

ON

0

8

4

1

2

3

5

6

7

C

9

A

B

D

E

F

1

2

ON

0

8

4

1

2

3

5

6

7

C

9

A

B

D

E

F

1

2

ON

ENC3+F1

0~F 0~F 0~F 0~F

NETADDRESS

CODE

0~15

16~31

32~47

48~63

FAC T O R Y SET T I N G

FOR SETTING NETADDRESS ( )CCM Comm.Bus

To CCM Comm.Bus or

485 Wire-controller

To Randomly

Connected

Wire-controller

To Remote Switch

To Remote Alarm

CN701

SWITCH BOARD

2

4

3

(MULTI-FUNCTION

CONTROL BOARD)

- - - -

element is optional,the actual

shape shall prevail.

This symbol indicates the

16

5.2 Outdoor Units

For MUPR-09-H6 (UE20015) and MUPR-12-H6 (UE20016)

4-WAY

DC-FAN

OPTIONAL:

DC-FAN

CN 7

3

PAN

HEATER

CN 15

OPTIONAL

CN 60

CRANKCASE

HEATER

CN 17

OPTIONAL

BLUE

BROWN

YELLOW OR BLACK

INDOOR UNIT

S

W

2(N)

L

N

POWER SUPPLY

RED

BLUE

Y/G

1(L)

Y/G

AMBIENT TEMP. SENSOR

DISCHARGE TEMP. SENSOR

CN 21

CONDENSER TEMP. SENSOR

Y/G

CN 1A

Y/G

16022000019533

COMPRESSOR

Y/G

CN 50

3

U

V

W

BLUE

RED

BLACK

OPTIONAL

17

For MUPR-18-H6 (UE20017) and MUPR-18-H6 (UE20018)

1

2

3

OUT DOOR

FAN

(BROWN)

YELLOW

(BLUE)

U

V

W

RY1

CN2

CN7

CN8

CN60

CN10

CN1

COMPRESSOR

Y/G

RED

BLUE

BLACK

CONDENSER

TEMPERATURE SENSOR

OUTDOOR AMBIENT

TEMPERATURE SENSOR

WHITE

BLACK

DISCHARGE SENSOR

OUTDOOR

MAIN

PCB

BLUE

BLACK

RED

CN13

CN12

L-OUT

4-WAY

CN414

REACTOR

BLUE

U

V

W

Y/G

CN6-1

Y/G

RED

1(L)

2(N)

S

L N

TO INDOOR UNIT

POWER SUPPLY

BLUE(BLACK)

L

N

W

3

CN16

HEAT

OPTIONAL

HEATER 1

HEATER 2

OPTIONAL

CN5

The electric heating

belt of compressor

The electric heating

belt of chassis

OUTDOOR WIRING DIAGRAM

RED

BLACK

16022000019069

18

6. Installation Details

6.1 Wrench torque sheet for installation

Outside diameter Torque Additional tightening torque

mm inch N.cm N.cm

Ф6.35 1/4 1500 (153kgf.cm) 1600 (163kgf.cm)

Ф9.52 3/8 2500 (255kgf.cm) 2600 (265kgf.cm)

Ф12.7 1/2 3500 (357kgf.cm) 3600 (367kgf.cm)

Ф15.9 5/8 4500 (459kgf.cm) 4700 (479kgf.cm)

Ф19 3/4 6500 (663kgf.cm) 6700 (683kgf.cm)

6.2 Connecting the cables

The power cord of connect should be selected according to the following specifications sheet.

Rated current of appliance Nominal cross-sectional area (mm²)

>3 and ≤6 0.75

>6 and ≤10 1

>10 and ≤16 1.5

>16 and ≤25 2.5

The cable size and the current of the fuse or switch are determined by the maximum current indicated

on the nameplate which located on the side panel of the unit. Please refer to the nameplate before

selecting the cable, fuse and switch.

19

6.3 Pipe length and the elevation

The pipe length and refrigerant amount:

Model

Pipe size

Standard

length

(m)

Max.

Elevation

B (m)

Max.

Length

A (m)

Additional

refrigerant

(g/m)

Gas Liquid

MUPR-09-H6

3/8’’

(

Ф9.52

)

1/4’’

(Ф6.35)

5 10 25 15

MUPR-12-H6

3/8’’

(

Ф9.52

)

1/4’’

(Ф6.35)

5 10 25 15

MUPR-18-H6

1/2’’

(Ф

12.7

)

1/4’’

(Ф6.35)

5 20 30 15

MUPR-24-H6

5/8’’

(

Ф15.9

)

3/8’’

(

Ф9.52

)

5 25 50 30

Caution:

The capacity test is based on the standard length and the maximum permissive length is based on the

system reliability.

20

6.4 Installation for the first time

Air and moisture in the refrigerant system have

undesirable effects as below:

● Pressure in the system rises.

● Operating current rises.

● Cooling or heating efficiency drops.

● Moisture in the refrigerant circuit may

freeze and block capillary tubing.

● Water may lead to corrosion of parts in the

refrigerant system.

Therefore, the indoor units and the pipes

between indoor and outdoor units must be leak

tested and evacuated to remove gas and

moisture from the system.

Gas leak check (Soap water method):

Apply soap water or a liquid neutral

detergent on the indoor unit connections or

outdoor unit connections by a soft brush to

check for leakage of the connecting points of

the piping. If bubbles come out, the pipes have

leakage.

1. Air purging with vacuum pump

1) Completely tighten the flare nuts of the

indoor and outdoor units, confirm that both

the 2-way and 3-way valves are set to the

closed position.

2) Connect the charge hose with the push pin

of handle lo to the 3-way valves gas service

port.

3) Connect the charge hose of handle hi

connection to the vacuum pump.

4) Fully open the handle Lo of the manifold

valve.

5) Operate the vacuum pump to evacuate.

6) Make evacuation for 30 minutes and check

whether the compound meter indicates

-0.1Mpa. If the meter does not indicate

-0.1Mpa after pumping 30 minutes, it

should be pumped 20 minutes more. If the

pressure can’t achieve -0.1Mpa after

pumping 50 minutes, please check if there

are some leakage points.

Fully close the handle Lo valve of the manifold

valve and stop the operation of the vacuum

pump. Confirm that the gauge needle does not

move (approximately 5 minutes after turning off

the vacuum pump).

7) Turn the flare nut of the 3-way valves about

45° counterclockwise for 6 or 7seconds

after the gas

coming out, then tighten the flare nut again.

Make sure the pressure display in the pressure

indicator is a little higher than the atmosphere

pressure. Then remove the charge hose from

the 3 way valve.

8) Fully open the 2 way valve and 3 way valve

and securely tighten the cap of the 3 way

valve.

2. Air purging by refrigerant

Procedure:

1) Confirm that both the 2-way and 3-way valves

are set to the closed position.

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