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2

In order to avoid injury, do not remove the fan guard of 

the outdoor unit.

Do not operate the air conditioner with a wet hand. 

An electric shock may happen. 

Do not touch the heat exchanger fins. 

These fins are sharp and could result in cutting injuries.

Do not place items which might be damaged by moisture 

under the indoor unit. 

Condensation may form if the humidity is above 80%, the 

drain outlet is blocked or the filter is polluted. 

After a long use, check the unit stand and fitting for 

damage. 

If damaged, the unit may fall and result in injury.

To avoid oxygen deficiency, ventilate the room sufficiently 

if equipment with burner is used together with the air 

conditioner.

Arrange the drain hose to ensure smooth drainage.

Incomplete drainage may cause wetting of the building, 

furniture etc.

Never touch the internal parts of the controller. 

Do not remove the front panel. Some parts inside are 

dangerous to touch, and a machine trouble may happen.

Never expose little children, plants or animals directly to 

the air flow. 

Adverse influence to little children, animals and plants may 

result.

Do not allow a child to mount on the outdoor unit or 

avoid placing any object on it. 

Falling or tumbling may result in injury.

Do not operate the air conditioner when using a room 

fumigation - type insecticide. 

Failure to observe could cause the chemicals to become 

deposited in the unit, which could endanger the health of 

those who are hypersensitive to chemicals.

Do not place appliances which produce open fire in 

places exposed to the air flow from the unit or under the 

indoor unit. 

It may cause incomplete combuston or deformation of the unit 

due to the heat.

Do not install the air conditioner at any place where 

flammable gas may leak out. 

If the gas leaks out and stays around the air conditioner, a fire 

may break out. 

When capacity of indoor unit greater than the sum of 

100%, capacity of indoor unit will be attenuated.

When capacity of indoor unit greater than or equal to 

the sum of 120%, in order to ensure the effectiveness of 

machine, and then try to open the indoor units at different 

time.

The outdoor unit window-shades should be periodic 

cleaning in case of being jammed.

This window-shapes is heat dissipation outlet of components, 

if being jammed will cause the components shorten their 

service life spans because of overheated for a long time.

The temperature of refrigerant circuit will be high, please 

keep the interconnection cable away from the copper 

tube.

The sound pressure level is below 56 dB(A).

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.  PARTS NAMES

The air conditioner consists of the indoor unit, the outdoor 

unit, the connecting pipe and the remote controller.

  

(see Fig.1)
Operate the switches and push buttons with an insulated 

stick (such as a closed ball-point pen)  or insulating gloves to 

avoid touching of live parts

Force Cooling Control

Fig.2-1

SW1 forced

cooling button

SW2 spot check function button

SW1 forced

cooling button

SW2 spot check function button

Main control 

board

(ODU) 8kW

S1 spot check function button and 

forced cooling button

Spot check 

board

(ODU) 

10/12kW

Main control 

board

(ODU)

14/16kW

Force Cooling Control 

The ODU main control board is provided with a forced cooling 

button SW1. The button is pressed once to send a forced cooling 

signal (for 8kW models, the button is long pressed for over 5s) 

to all IDUs at once, forcing all IDUs to start cooling. The outdoor 

compressor runs at a fxed frequency according to the table and 

the IDU fan operates at a high speed. Press the button again to 

exit the forced cooling operation (for 8kW models, the button is 

long pressed for over 5s).

Forced cooling frequency table

Model

8kW single 

 phase

10/12/14/16kW 

single phase

Forced cooling frequency (Hz)

44

44

Display function

The ODU main control board is equipped with the spot check function 

button (In the above fgure: S1 for 8kW and SW2 for 10/12/14/16kW). 

The digital tubes on the main control board will show the parameters 

of the air conditioner in the following order (the button displays one 

parameter at a time). For 8kW models, the Compressor Current Value 

and System Address display "--".

Содержание MDV-V100W/DN1

Страница 1: ...g our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference Mini VRF C Series Owner s Manual MDV V80W DN1 C MDV V100W DN1 C MDV V120W DN1 C MDV V140W DN1 C MDV V160W DN1 C ...

Страница 2: ...gerant pipe connector NOTE All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail 16kW complying with IEC 61000 3 12 Fig 1 ...

Страница 3: ...s the button of the remote controller with a hard pointed object The remote controller may be damaged Never replace a fuse with that of wrong rated current or other wires when a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire It is not good for your health to expose your body to the air flow for a long time Do not insert fingers rods or other objects into...

Страница 4: ... effectiveness of machine and then try to open the indoor units at different time The outdoor unit window shades should be periodic cleaning in case of being jammed This window shapes is heat dissipation outlet of components if being jammed will cause the components shorten their service life spans because of overheated for a long time The temperature of refrigerant circuit will be high please kee...

Страница 5: ...outlet position and set the fan speed to High 4 OPERATION AND PERFORMANCE 4 1 Protection Equipment This Protection Equipment will enable the Air Conditioner to stop when the Air Conditioner is to be directed running compulsively When the Protection Equipment is activated the Operation Indicator still lights while the Air Conditioner is not running But the Check Indicatior Lights The protection equ...

Страница 6: ... board stop abnormally Recoverable EE 2 Communication error between indoor and outdoor unit Recoverable E2 3 Outdoor heat exchanger temperature sensor T3 error or outdoor ambient temperature sensor T4 error Recoverable E4 4 Input voltage protection Recoverable E5 5 DC fan protection Recoverable E6 6 Discharge pipe temperature sensor error Recoverable E7 7 EEPROM mismatch Unrecoverable E9 8 Compres...

Страница 7: ...h reserved Recoverable HF 15 L L0 L1 fault occurs three times in one hour Unrecoverable H4 16 The fault is increased or reduced on the IDU Recoverable H7 17 IPM protection Recoverable L0 18 DC bus low voltage protection Recoverable L1 19 DC bus high voltage protection Recoverable L2 20 MCE error Recoverable L4 21 Zero speed protection Recoverable L5 22 Compressor phase sequence error Recoverable L...

Страница 8: ...speed protection Recoverable L5 20 Compressor phase sequence error Recoverable L7 21 Protection for compressor speed change 15Hz Recoverable L8 22 Protection for the difference between the set speed and the running speed of the compressor 15Hz Recoverable L9 23 Radiator surface temperature protection Recoverable PL 24 System high pressure protection Recoverable P1 25 System low pressure protection...

Страница 9: ...shah sound is heard when the system is in cooling operation or at a stop When the drain pump optional accessories is in operation this noise is heard A pishi pishi squeaking sound is heard when the system stops after heating operation Expansion and contraction of plastic parts caused by temperature change make this noise Symptom 4 2 Indoor unit outdoor unit A continuous low hissing sound is heard ...

Страница 10: ...arge refrigerant Vacuum and recharge refrigerant Maintenance or change compressor Install manostat Find reasons and solution Low cooling effect Outdoor unit and indoor unit heat exchanger is dirty The air filter is dirty Inlet outlet of indoor outdoor units is blocked Doors and windows are open Sunlight directly shine Too much heat resource Outdoor temp is too high Leakage of refrigerant or lack o...

Страница 11: ...apse of time Check whether the timer operation has come to an end when the TIMER OFF is indicated on the display The air conditioner operation will stop up to the set time The TIMER ON indicator goes off after a lapse of certain time Check whether the timer operation is started when the TIMER ON is indicated on the display Up to the set time the air conditioner will automatically start and the app...

Страница 12: ......

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