MDV MDV-D28Q4/N2, MDV-D36Q4/N2, MDV-D45Q4/N2, MDV-D56Q4/N2, MDV-D71Q4/N2 Installation Manual
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Digital Scroll Central Air Conditioner
FOUR-WAY CASSETTE TYPE (INDOOR UNIT)
INSTALLATION MANUAL
Model:
MDV-D28Q4/N2 MDV-D36Q4/N2
MDV-D45Q4/N2 MDV-D56Q4/N2
MDV-D71Q4/N2 MDV-D80Q4/N2
MDV-D90Q4/N2 MDV-D112Q4/N2
Please read this installation manual carefully before installing your air conditioner.
Please keep this manual in a safe place for future reference.
CONTENT
PRECAUTION..................................................................................................1
ACCESSORIES................................................................................................1
SAFETY PRECAUTION...................................................................................2
INSTALLATION LOCATIONS..........................................................................3
INDOOR UNIT INSTALLATION........................................................................4
DRAINAGE PIPE INSTALLATION....................................................................6
REFRIGERANT PIPE INSTALLATION.............................................................9
ELECTRIC WIRING........................................................................................11
CONTROL......................................................................................................13
TROUBLE SHOOTING............................................................................ ......15
ELECTRIC THROTTLE PART INSTALLATION....................................... ......15
PRECAUTION
This manual is suitable for indoor unit.
Refer to outdoor unit installation manual to install outdoor unit.
The indoor unit and the outdoor unit should not share one power supply.
ACCESSORIES
Name
Installation manual
Heat insulation pipe
Installation paper
pattern
Fixing screws for paper
pattern
Heat insulation material
Gasket For hanging the body.
Hose band For connecting the drain pipe.
Flexible hose
Heat insulation material For sealing at the piping connection part.
Installation indicator
Quantity
1
2
1
4
1
8
1
1
1
1
Outline
This manual
M5X16
Function
For heat insulation of pipes connection
part.
For illustrating the unit body location on
the ceiling
For installing the paper pattern.
For heat insulation of drain pipe connection
part.
For connecting the drain pipe.
For confirming the location on the ceiling
(With the installation paper pattern).
Electric throttle part
Remote controller subassembly
Drainage plate installation screws
Drain pipe loop
Drain pipe loop bolt
Drain pipe loop bracket
1
1
11
4
1
1
1
Remote control the air-conditioner.
For installing drainage plate.
For installing drain pipe.
For installing drain pipe.
For installing drain pipe.
1
SAFETY PRECAUTION
Read the following "SAFETY PRECAUTIONS" carefully before installation.
The caution items stated here must be followed because these important contents are related
to safety. The meaning of each indication used is as below.
Incorrect installation due to ignoring of the instruction will cause harm or damage, and the
seriousness is classified by the following indications.
WARNING
!
CAUTION
!
NOTE :
1. Injury means causing harmed, burned, electrical shocked, but not serious for hospitalization.
2. Damage of property means disrepair of property, material.
Carry out test running to confirm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the
customer to keep the operating instructions for future reference.
Engage dealer or specialist for installation. If installation done by the user is defective, it
will cause water leakage, electrical shock or fire.
Install according to this installation instructions strictly. If installation is defective, it will
cause water leakage, electrical shock or fire.
Use the attached accessories parts and specified parts for installation. Otherwise, it will
cause the set to fall, water leakage, fire or electrical shock.
This indication shows the possibility of causing death or serious injury.
This indication shows the possibility of causing injury or damage to
properties only.
WARNING
!
Install at a strong and firm location which is able to withstand the set's weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury.
For electrical work, follow the local national wiring standard, regulation and this installation instructions. An independent circuit and single outlet must be used. If electrical circuit
capacity is not enough or defect found in electrical work, it will cause electrical shock or fire.
When carrying out piping connection, take care not to let air or other substances other
than the specified refrigerant go into refrigeration cycle. Otherwise, it will cause lower
capacity, abnormal high pressure in the refrigeration cycle, explosion and injury.
Grounding is necessary. It may cause electrical shock if grounding is not perfect.
Do not install the unit at place where leakage of flammable gas may occur. In case gas
leaks and accumulates at surrounding of the unit, it may cause fire.
2
INSTALLATION LOCATIONS
CAUTIONS
1.Location in the following places may cause malfunction of the machine. (If unavoidable,
please consult your local dealer)
a. A place where there is inflammable gas leakage.
b. There is salty air surrounding(near the coast).
c. There is caustic gas(the sulfide, for example) existing in the air (near a hot spring).
d. A place where can not bear the weight of the machine.
e. In kitchen where it is full of oil gas.
f. There is strong electromagnetic wave existing.
g. There is acid or alkaline liquid evaporating.
h. A place where air circulation is not enough.
2. Electrical Insulation must be done on the air conditioner and the building complying to
National Regulations.
INSTALLATION SPACE
A
Ceiling
MDV-D28(36 45 56 71 80)Q4/N2
MDV-90(112)Q4/N2
Above 100cm
Models
Wall
material
B
C
Up(B)
Sides(C)
Above
100cm
Obstacle
Size A(mm) Ceiling Height
Above 315
Above 365
Fire-proof material
Flammable
material
Above 10cm Above 10cm Above 10cm
Above 5cm Above 5cm
or other nonflammable
materials other than
metal
Above
100cm
HEIGHT BETWEEN CEILING AND FLOOR
Height(m)
Models
Models
MDV-D28(36)Q4/N2
MDV-D28(36)Q4/N2
MDV-D45-80Q4/N2
Height(m)
Below 2.7
Below 2.7
Below 3.5
Below 3.5
Installation height
2.7m<h<3m
28-36Q4/N2
Model (MDV-D)
45-80Q4/N2
Fire-proof
structure
90-112Q4/N2
MDV-D90-112Q4/N2
Below 4
Below 4
2.7m<h<3m
3m<h<3.5m
3
INDOOR UNIT INSTALLATION
!
CAUTION
Please select a place where sound enough
to bear the indoor unit when installation
The Indoor Unit is possible to fall if the place
is not sound enough.
To take precautions against typhoon/earth
quake.
Be sure to install strictly according to related
specification. Wrong installation will
cause the unit to fall.
Model(MDV-D)
28~36Q4/N2
ABCDEF
940
880
820
620
405
400
71~80Q4/N2
90~112Q4/N2
1350
1290
1230
1030
610
605
Drain side
A
D(Hook-location)
C (Body)
B (Ceiling hole)
A(Panel)
130
32 18
Piping side
800 (Hook-location)
Hole
(f100)
800 (Body)
940 (Panel)
880(Ceiling hole)
Model(MDV-D)
28~45Q4/N2
56~80Q4/N2
90~112Q4/N2
7
30
Panel
Below the ceiling
GHIJKLM
536
260
320
106
946
106
Hole
130
180
f9.5
f19.0
Hook(on Field)
30
20
39
136
196
246 186
G
138
130
200
80
240
II
128
Humidifier hole (inside)
Drainage pipe installation hole (f32
300
Wiring hole ( )
f38
Below the ceiling
185
170
100
Gas side (k)f
(Liquid side fJ)
)
73
200
140
Select installation location considering piping and wiring connection after the Indoor Unit has
been hanged. Then decide the piping wiring leading direction.
Be sure to lead the refrigerant pipes, drain pipes and connection wires out to its connection
location before hanging the unit if the opening on the ceiling has been decided.
Confirm sizes of the indoor unit and ceiling opening with the attached installation paper
pattern. (Please fix the paper pattern below the body with M5X16 screws (4).)
4
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