Haier MRV 5 Series User manual

Installation Manual for Outdoor Unit
AU08NFKERA
AU10NFKERA
AU12NFKERA
No. 0150543934
• Please read this manual carefully before using.
• Keep this operation manual for future reference.
Original instructions

Operating Range of Air Conditioner
Cooling
dry
Indoor Max. DB: 32°CWB: 23°C
Min. DB: 18°CWB: 14°C
Outdoor Max. DB: 48°CWB: 26°C
Min. DB: -5°C
Heating
Indoor Max. DB: 27°C
Min. DB: 15°C
Outdoor Max. DB: 27°CWB: 15.5°C
Min. DB: -20°C
User Manual
Operation condition:
To use the air conditioner normally, please perform as to the below conditions.
Contents
Safety .......................................................... 1
Installation instruction.................................. 3
Installation procedure .................................. 6
Electric wiring and the application ............. 21
Failure code............................................... 25
Trial operation and the performance ......... 30
Move and scrap the air conditioning.......... 32
MRV S adopts "simultaneous control" type,
all indoors should be heating or cooling
simultaneously.
To protect compressor, before startup, the
unit should be electried for over 12 hours.
If the unit is not used for a long time, please
cut o󰀨 the power to save energy, or the unit
will consume the power.
Warning
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualied persons in order to avoid a hazard.
• This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• 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 appliances are not intended to be operated by means of an external timer or separate
remote-control system.
• Keep the appliance and its cord out of reach of children less than 8 years.

1
Safety
WARNING
• This manual should always be accessible and close to this air condition equipment.
• There are two types of indications, " WARNING" and " CAUTION". The indication
preventing from death or heavy injury is listed as " WARNING". Even the indication listed as
" CAUTION" may also cause serious accident. Both of them are related to safety, and should
be strictly followed.
• After installation and start-up commissioning, please handover the manual to the user. The
manual should be well kept in safe place and close to the unit.
• The installation or the maintenance should be performed by an authorized agency. The wrong
operation of this air condition equipment may cause water leakage, electric shock or re.
• Please install the unit on the top of a solid foundation or structure which is strong enough to
support the unit.
• The installation of this air condition equipment should follow local construction codes.
• Use the right cable size, secure the terminal rmly, organize the cables well and make sure no
tension is added on cables. Cable insulation should not be damaged. The incorrect installation
may lead to overheat or re.
• When installing or moving the unit, the refrigerant system should be vacuumed and recharged
with R-410A refrigerant. If any other gas enters the system, it may lead to abnormal high
pressure which may cause damage or injury.
• Please use the proper manifolds or branches during the system installation. The wrong parts
may cause refrigerant leakage.
• Keep the drain pipe away from toxic gas vents to prevent possible pollution of indoor
environment.
• During or after the installation, please check whether there is refrigerant leakage. If any
leakage, please take any measures for ventilation. The refrigerant may be toxic at some
concentration levels.
• The unit is not explosion-proof. Please keep it away from ammable gases.
• The drain pipe should be installed per this manual to ensure proper drainage. The pipe should
be well insulated to avoid condensation. Wrong installation may lead to water leakage.
• Both liquid pipe and the gas pipe should be also well insulated. Not enough insulation may
lead to system performance deterioration or humidity formation.
• This air condition equipment is not intended to be operated by persons with lack of experience
and training, unless they have supervision or instruction concerning use of this air condition
equipment.
• Please keep children away from this air condition equipment.

2
Safety
CAUTION
R-410A specied tools Remarks
1Gauge manifold Range:HP > 4.5MPa, LP > 2MPa
2Charge hose Pressure:HP:5.3MPa,LP:3.5MPa
3Electronic weight for charging R410A No other means permitted
4Torque wrench
5Flare tool
6Copper pipe gauge for adjusting projecting margin
7Vacuum pump tting Vacuum pump must be equipped with
check valve
8Leakage detector Only Helium detector permitted
• Grounding wire should be connected with the grounding bar. The grounding wire can not
be connected to the gas pipe, water pipe, lightening rod or the telephone grounding wire.
Improper grounding may cause electric shock.
• Units installed on roof should have appropriate access and handrail.
• Use the wrench to fasten the nut and are at proper torque. Excessive torque may cause
ared section to broke leading to refrigerant leakage.
• After refrigerant pipe installation, please take nitrogen leakage test to avoid refrigerant
leakage.
• R-410A is the only permitted refrigerant.
• To avoid mischarging wrong refrigerant, the check valve diameter is changed for R-410A. To
strengthen the pipe, the ared pipe dimension is also changed. Please use R-410A specied
tools as shown below.
• When charging refrigerant, the refrigerant must be in liquid state from the tank.
• To prevent EMC interference on other appliances, please keep indoor unit, outdoor unit,
power cable and connecting wire at least 1m away from those appliances .
• Fluorescent lamp (reverse phase or rapid start type) may interfere the remote controller's
signal. Please install indoor unit away from uorescent lamp. The farther the better.

3
Installation instruction
For installation, please review the items below:
• Is the connected units quantity and the total capacity in the allowable range?
• Is the refrigerant pipe length in the limited range?
• Is the pipe size proper? And if the pipe installed horizontally?
• Is the branch pipe installed horizontally or vertically?
• Is the additional refrigerant counted correctly and weighed by the standard balance?
• Is there refrigerant leakage?
• Is all the indoor power supplies can be on/o󰀨 simultaneously?
• Is the power voltage in compliance with the data marked on the rating label?
• Is the address of indoors has been set?
(1) Before installation
1) Before installation, check if the model, power supply, pipe, wires and parts purchased
respectively are correct.
2) Check if the indoors and outdoors can be combined as the following.
Outdoor Indoor
Capacity(X 100W) Indoor Qty Total indoor capacity(X 100W)
AU08NFKERA 13 113~293
AU10NFKERA 16 140~364
AU12NFKERA 19 158~410

4
Installation instruction
(2) Installation place selection
Air-conditioner can't be
installed in the place with
inammable gas. Or it will
cause re hazard.
The unit should be installed
at the place with good
ventilation. No obstacle at
the air inlet/outlet. And no
strong wind blows the unit.
The installation space refers
to the latter info.
The unit should be installed at
the strong enough place. Or it will
cause vibration and noise.
• The unit is better not be
installed at the below places, or
it will cause damage.
• The place where there is
corrosive gas (spa area etc).
• The place blowing salty air
(seaside etc).
• Exsits the strong coal smoke.
• The place with high humidity.
• The place where there is device
emitting Hertzian waves.
• The place where voltage
changes greatly.
• The place where the water
can ow uently.
• The place where no other
heat source will a󰀨ect the
unit.
• Pay attention to the snow
against clogging the
outdoor.
• In installation, install
the anti-vibration rubber
between the unit and the
bracket.
The unit should be
installed at the place
where the cold/hot air or
noise will not interfere the
neighbours.

5
Installation instruction
(3) Transportation and hoisting
Hoisting
Handling
• Please remove the outdoor unit to the installation location as far as possible near place befor
open the packaging.
• Forbid on the equipments to place anything, need to use 2 ropes while promoting outdoor.
• Please according to following way hoisting outdoor:
Ensure that the outdoor unit when hosting the level to rise slowly.
Do not remove the packaging.
When hoisting do not have to tie up the elevator to the unit hits on the packaging and the
outside wrapping.
When hoisting exterior must use the suitable protection.
Before the installation,outdoor do not deposit any material,otherwise likely has the re or the
accident.
When handling unit,please operate as shown in the following gure and note the following points
1.Forbids to demolish the wooden foundation.
2.Prevent the outdoor to incline.
3.Should be handling more than two.
handle 1
handle 2 handle 3 handle 4

6
Installation procedure
Outdoor Installation
Installation location
Installation and maintenance space
• Outdoor unit should be placed in well ventilated and dry place.
• Outdoor noise and exhaust should not a󰀨ect neighbors and around the ventilation.
• Ensure the ground steadily reliable.
• Do not install the outdoor unit on high oil,salt spray or harmful gases.
• Don't being installed to electromagnetic wave can directly radiate an electricity box and keep
o󰀨 electromagnetic wave radiation possibly, at least more than 3 meters.
• When ice snow overlay area installs outdoor unit, please add to defend snow cover.
• Outdoor unit installed in the shade,avoiding direct sunlight or high temperature heat sources
of radiation.
• Do not install in dusty or polluted place to prevent outdoor unit heat exchanger jam.
• The outdoor unit should install in the public unapproachable place.
As shown below, install the outdoor unit should allow su󰀩cient space for handing and
maintenance.
Case 1: stumbling block on the inlet ,also upside opens.
Single installation around the opening
Single installation around the closed
Inlet
Outlet
Min200mm
A
H
h
Min360mm
Inlet
Outlet
Min300mm
Min300mmMin150mm

7
Installation procedure
Multi Outdoor
Inlet
Outlet
Min300mm
Min300mm
Min300mm
Min360mm
A
h

8
Installation procedure
Case 2: stumbling block on the inlet and top side
Single Outdoor
Max300mm
Min360mm
Min
500
mm
H
Max300mm
A
Min360mm
Min
500
mm
H
L
Multi Outdoor
Max300mm
Min300mm
Min360mm
Min500mm
H