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Installation Manual
TYPE : Multi Type
ENGLISH
FRANÇAIS
ESPAÑOL
960-911-09
MULTIZONE INSTALLATION
INSTRUCTIONS
Installation Manual 3
ENGLISH
TABLE OF CONTENTS
Installation Parts Provided ...................................................4
Safety Precautions ................................................................5
Installation of Indoor, Outdoor Unit .....................................8
Select the best location ....................................................8
Seaside Applications and Installation ..............................10
Seasonal Wind And Cautions In Winter...........................11
Piping length and elevation .............................................12
Installation............................................................................14
Ceiling dimension and hanging bolt location ...................14
How to Fix .......................................................................15
Wiring Connection ...........................................................15
Conduit connection..........................................................15
Installation of Decorative Panel.......................................16
Drain Piping.....................................................................19
Flaring Work and Connection of Piping ............................21
Flaring work.....................................................................21
Connection of piping - Outdoor .......................................22
Installation .......................................................................25
Installation of The Main Unit............................................26
Connecting the Cable between Indoor Unit, Distributor
Unit and Outdoor Unit .........................................................27
Connect the cable to the Indoor unit. ..............................27
Connect the cable to the Distributor unit .........................28
Connect the cable to the Outdoor unit.............................29
Connection method of the connecting cable(Example)...31
Checking the Drainage, Insulating the Pipe and Special
Piping Applications .............................................................32
Checking the drainage ....................................................32
Insulating the Pipe and Special Piping Applications........32
Air Purging and Evacuation................................................33
Leak Checking.................................................................33
Evacuation.......................................................................34
Charging ...............................................................................35
Test Running ........................................................................37
Function................................................................................38
Dip S/W Setting ...............................................................38
Forced Cooling Operation ...............................................39
Wiring Error Check ..........................................................40
Saving Power Consumption ............................................40
Night Quiet Mode ............................................................41
Mode Lock.......................................................................42
Pcb Display(18/24k Model Only) .....................................43
Max Combination Capacity.................................................44
o Level gauge
o Screw driver
o Electric drill
o Hole core drill (ø50mm)
o Flaring tool set
o Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
o Adjustable wrench
o A glass of water
o Screw driver
o Hexagonal wrench(4mm)
o Refrigerant Gas Leak Detector
o Vacuum pump
o Gauge manifold
o Owner's manual
o Thermometer
o Remote Control Holder
Installation Requirements
Required Tools
4
Installation Parts Provided
Installation Parts Provided
[Ceiling Cassette Type]
Name
Quantity
Shape
for gas pipe
Conduit Bracket
Screw(M4) 2EA
for liquid pipe
Clamp metal
1 EA
Insulation for Remote
control holder
fitting
1 SET 1 EA
Drain hose
1 EA
Clamp
Conduit
Bracket
8 EA
Washer for
hanging backet
8 EA 1 EA
Installation Manual 5
Product Introduction
ENGLISH
h The figure can be changed according to model.
To prevent the injury of the user or other people and property damage, the following instructions
must be followed.
n Be sure to read before installing the air conditioner.
n Be sure to observe the cautions specified here as they include important items related to safety.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
n The meanings of the symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
WARNING
n Installation
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
Always perform grounding.
• Otherwise, it may cause electri-
cal shock.
Don’t use a power cord, a
plug or a loose socket which
is damaged.
• Otherwise, it may cause a fire or
electrical shock.
For installation of the product,
always contact the service cen-
ter or a professional installation
agency.
• Otherwise, it may cause a fire,
electrical shock, explosion or in-
jury.
Securely attach the electrical
part cover to the indoor unit
and the service panel to the
outdoor unit.
• If the electrical part cover of the
indoor unit and the service panel
of the outdoor unit are not at-
tached securely, it could result in
a fire or electric shock due to
dust, water, etc.
Always install an air leakage
breaker and a dedicated
switching board.
• No installation may cause a fire
and electrical shock.
Do not keep or use flammable
gases or combustibles near
the air conditioner.
• Otherwise, it may cause a fire or
the failure of product.
Ensure that an installation frame of the out-
door unit is not damaged due to use for a long
time.
• It may cause injury or an accident.
Do not disassemble or repair the product ran-
domly.
• It will cause a fire or electrical shock.
6
Safety Precautions
Do not install the product at a place that there
is concern of falling down.
• Otherwise, it may result in personal injury.
Use caution when unpacking and installing.
• Sharp edges may cause injury.
Take the power plug out if
necessary, holding the head
of the plug and do not touch
it with wet hands.
• Otherwise, it may cause a fire
or electrical shock.
Do not use the power cord
near the heating tools.
• Otherwise, it may cause a fire
and electrical shock.
Do not open the suction
inlet of the indoor/outdoor
unit during operation.
• Otherwise, it may electrical
shock and failure.
Do not allow water to run
into electrical parts.
• Otherwise, it may cause the
failure of machine or electrical
shock.
Hold the plug by the head
when taking it out.
• It may cause electric shock
and damage.
Never touch the metal parts
of the unit when removing
the filter.
• They are sharp and may
cause injury.
Do not step on the
indoor/outdoor unit and do
not put anything on it.
• It may cause an injury through
dropping of the unit or falling
down.
Do not place a heavy object
on the power cord.
• Otherwise, it may cause a fire
or electrical shock.
When the product is sub-
merged into water, always
contact the service center.
• Otherwise, it may cause a fire
or electrical shock.
Do not share the outlet with
other appliances.
It will cause an electric shock or
a fire due to heat generation.
Do not use the damaged
power cord.
• Otherwise, it may cause a fire
or electrical shock.
Do not modify or extend the
power cord randomly.
• Otherwise, it may cause a fire
or electrical shock.
Take care so that the power
cord may not be pulled dur-
ing operation.
• Otherwise, it may cause a fire
or electrical shock.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
• Otherwise, it may cause elec-
trical shock or a fire.
Keep the flames away.
• Otherwise, it may cause a fire.
Take care so that children may not step on the outdoor unit.
• Otherwise, children may be seriously injured due to falling down.
n Operation
Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air
or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion.
There is the risk of death, injury, fire or explosion.
Installation Manual 7
Safety Precautions
ENGLISH
CAUTION
n Installation
Install the drain hose to ensure that drain
can be securely done.
• Otherwise, it may cause water leakage.
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause dispute with the neigh-
bors.
Always inspect gas leakage after the instal-
lation and repair of product.
• Otherwise, it may cause the failure of product.
Keep level parallel in installing the product.
• Otherwise, it may cause vibration or water leak-
age.
Avoid excessive cooling and perform venti-
lation sometimes.
• Otherwise, it may do harm to your health.
Use a soft cloth to clean. Do not use wax,
thinner, or a strong detergent.
• The appearance of the air conditioner may de-
teriorate, change color, or develop surface
flaws.
Do not use an appliance for special purposes
such as preserving animals vegetables, preci-
sion machine, or art articles.
• Otherwise, it may damage your properties.
Do not place obstacles around the flow inlet
or outlet.
• Otherwise, it may cause the failure of appliance
or an accident.
n Operation
8
Safety Precautions
Installation of Indoor, Outdoor Unit
Read completely, then follow step by step.
Indoor unit
1. Do not have any heat or steam near the unit.
2. Select a place where there are no obstacles in front of the unit.
3. Make sure that condensation drainage can be conveniently routed away.
4. Do not install near a doorway.
5. Ensure the unit is unobstructed, allow proper space on all sides according to the arrows and dis-
tance measurements in the figures.
6.
Use a Metal Detector or Metal Scanner to locate studs to prevent unnecessary damage to the wall.
Select the best location
Ceiling
Ceiling Board
Ceiling Board
Floor
Unit: inch(mm)
At least 70-
7
/8(1800)
141-
23
/32(3600) or less
39-
3
/
8
(1000)
or more
19-
11
/
16
(500)
or more
13
/
32
(10)
or more
19-
11
/16(500)
or more
11-
13
/16(300) or less
1-3/16(30)
1/8(±3)
[Ceiling Cassette Type]
Unit: inch(mm)
Installation Manual 9
Installation of Indoor, Outdoor Unit
ENGLISH
Outdoor unit
1. If an awning is built over the unit to prevent di-
rect sunlight or rain exposure, make sure that
heat radiation from the condenser is not re-
stricted.
2. Ensure the unit is unobstructed, allow proper
space on all sides according to the arrows
and distance measurements in the figures.
3. Do not place animals and plants in the path of
the warm air.
4. Take the air conditioner weight into account
and select a place where noise and vibration
are minimum.
5.
Select a place so that the warm air and sound
from the air conditioner does not disturb
neighbors.
Rooftop Installations:
If the outdoor unit is installed on a roof structure,
be sure to level the unit. Ensure the roof struc-
ture and anchoring method are adequate for the
unit location. Consult local codes regarding
rooftop mounting.
Unit: inch(mm)
10
Installation of Indoor, Outdoor Unit
Seaside Applications and Installation
1.
Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are
produced.
2. Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result
corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could
cause product malfunction or inefficient performance.
3. If outdoor unit is installed close to the seaside, it should avoid direct exposure to the sea wind.
1) If the outdoor unit is to be installed close to the seaside, direct exposure to the sea wind should be avoided.
Install the outdoor unit on the opposite side of the sea wind direction.
2)
In case, to install the outdoor unit on the seaside, set up a windbreaker/barrier, to lessen the unit's exposure to sea air
3) Select a well-drained place.
• It should be strong enough (like concrete) to obstruct
the wind from the sea.
• The height and width should be more than 150% of
the outdoor unit.
• A minimum of 27 1/16 inches(70cm)
of space between outdoor unit and the windbreak
for easy air flow.
Sea wind Sea wind
Sea wind
Windbreaker/Barrier
Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger
using water is recommended.
1. Selecting the location(Outdoor Unit)
Installation Manual 11
Installation of Indoor, Outdoor Unit
ENGLISH
Seasonal Wind And Cautions In Winter
- Sufficient measures are required in a snow area or severe cold area in winter so that product can
be operated well.
- Get ready for seasonal wind or snow in winter even in other areas.
- Install a suction and discharge duct not to let in snow or rain.
- Install the outdoor unit not to come in contact with snow directly. If snow piles up and freezes on the
air suction hole, the system may malfunction. If it is installed at snowy area, attach the hood to the
system.
- Install the outdoor unit at the higher installation console by 50cm than the average snowfall (annual
average snowfall) if it is installed at the area with much snowfall.
- Where snow accumulated on the upper part of the Outdoor Unit by more than 10cm, always re-
move snow for operation.
1. The height of H frame must be more than 2 times the snowfall and its width shall not exceed the
width of the product. (If width of the frame is wider than that of the product, snow may accumulate)
2. Don't install the suction hole and discharge hole of the Outdoor Unit facing the seasonal wind.
12
Installation of Indoor, Outdoor Unit
Multi Piping Type
Piping length and elevation
h2
h1
A
B
Multiple Piping Type
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Unit : ft(m)
24k 246(75) 82(25) 10(3) 49(15) 25(7.5) 33k
36k 246(75) 82(25) 10(3) 49(15) 25(7.5) 48k
Outdoor Unit
Capacity
(Btu/h class)
Max total length
of all pipes
(A+B)/(A+B+C)/
(A+B+C+D)
Max length of
each pipe
(A/B/C/D)
Min length of
each pipe
(A/B/C/D)
Max Elevation
between each
indoor unit and
outdoor unit (h1)
Max elevation
between indoor
units (h2)
Max.Combination
of Indoor unit
(Btu/h class)
Indoor unit Capacity (Btu/h class)
Pipe Diameter
Unit : inch(mm)
Gas Liquid
9, 12k 3/8(9.52) 1/4(6.35)
18k 1/2(12.7) 1/4(6.35)
Installation Manual 13
Installation of Indoor, Outdoor Unit
Distributor Piping Type
h1
C
Branch Pipe
Main Pipe
Distributor
Distributor
A
B
h2
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Unit : ft(m)
Outdoor Unit
Capacity
(Btu/h class)
Max total length
of all pipes
(Main + Branch
pipes)
Max length
of
Main pipe
(A+B+C)
Max length
of
Branch
pipes
Max length
of each
Branch pipe
Min length of
each pipe
(Main /
Branch
pipes)
Max Elevation
Between each
indoor unit and
outdoor unit
(h1)
Max Eleva-
tion
Between in-
door
(h2)
Max Combi-
nation
of indoor
unit
48k 476(145) 180(55) 295(90) 49(15) 10(3) 98(30) 49(15) 65k
ENGLISH
Indoor unit Capacity (Btu/h class)
Pipe Diameter
Unit : inch(mm)
Gas Liquid
9, 12k 3/8(9.52) 1/4(6.35)
18k 1/2(12.7) 1/4(6.35)
14
Installation
Installation
[Ceiling Cassette Type]
Ceiling dimension and hanging bolt location
Level gauge
Ceiling
Ceiling board
Unit: inch(mm)
23 1/16~26(585~660) (Ceiling Opening)
20 3/8(517)
18 5/32(461)
20 3/8(517)
23 1/16~26(585~660) (Ceiling Opening)
20 19/32(523)
22 15/32(570)
Unit Size
22 15/32(570)
Unit Size
12 9/16(319)
• The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions.
Avoid the following installation location.
1. Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated.
These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function.
In these cases, take the following actions;
• Make sure that ventilation fan is enough to cover all noxious gases from this place.
• Ensure enough distance from the cooking room to install the air
conditioner in such a place where it may not suck oily steam.
2. Avoid installng air conditioner in such places where cook-
ing oil or iron powder is generated.
3. Avoid places where inflammable gas is generated.
4. Avoid place where noxious gas is generated.
5. Avoid places near high frequency generators.
NOTICE
CAUTION :
• This air-conditioner uses a drain pump.
Install the unit horizontally using a level
gauge.
• During the installation, care should be
taken not to damage electric wires.
Select and mark the position for fixing bolts and piping
hole.
Decide the position for fixing bolts slightly tilted to the
drain direction after considering the direction of drain
hose.
Drill the hole for anchor bolt on the wall.
Use the ventilation fan
for smoke-collecting
hood with sufficient
capacity.
Cooking table
Air conditioner
Take enough
distance
Installation Manual 15
Installation
Set screw of
paper model (4 pieces)
Paper model
for installation
Ceiling board
5-7/8 inch
(150mm)
Ceiling board
Ceiling
Flat washer for M10
(accessory)
Keep the length of the bolt
from the bracket to 1-9/16 inch(40mm)
Open the ceiling board
along the outer edge of the
paper model
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Air Conditioner body
Keep the length of 1.22~1.34inch(31~34mm)
between the air conditioner bottom surfac
e and the ceiling surface
• The following parts are local purchasing.
Hanging Bolt - W 3/8 or M10
Nut - W 3/8 or M10
Spring Washer - M10
Plate Washer - M10
CAUTION : Tighten the nut and bolt to
prevent unit from falling off.
Wiring Connection
How to Fix
1(L1) 2(L2) 3 4 5
Terminal Block of Indoor Unit
Connected to outdoor unit
Ductless Ventilation Kit (DVKA,DVKB)
TO AIR
FRESH
KIT
TQ/TR series
Connecting Cable
Conduit
Screw
Conduit bracket
Conduit connection
• Remove the bushing rubber product attached on the indoor unit.
• Join the conduit and the conduit bracket together using nut.
• Set the connecting cable into the terminal block of indoor unit, and tighten set screw to lock the
conduit bracket to the indoor unit.
• Open the control box cover and connect the remote control cord and indoor power wires.
ENGLISH
16
Installation
Installation of Decorative Panel
The decorative panel has its installation direction.
Before installing the decorative panel, always remove the paper template.
1. Remove the packing and take out air inlet
grille from front panel.
2. Remove the Corner covers of the panel.
3. Fit the panel on the unit by inserting
hooks as shown in picture.
4. Insert two screws on diagonal corners of
panel. Do not tighten the bolts completely.
(The fixing screws are included in the in-
door unit box.)
Check the alignment of panel with the
ceiling. Height can be adjusted using
hanging bolts as shown in picture. Insert
the other two screws and tighten all
screws completely.
Front grille
Coner cover
Hook clip
Hook
Installation Manual 17
Installation
ENGLISH
5. Fit the corner covers.
6. Open two screws of control panel cover.
7. Connect one display connector and two
vane control connectors of front panel to
indoor unit PCB.
The position marking on PCB is as:
Display connector : CN-DISPLAY
Vane control connector: CN-VANE 1,2
8. Close the cover for control box.
9. Install the air inlet grille and Filter on the
panel.
Screw
CN-VANE 1,2
CN-DISPLAY
18
Installation
CAUTION:
Cool air leakage causes sweating. Water drops fall.
Air conditioner
unit
Ceiling
board
Decorative panel
Decorative
panel
Fit the insulator (this part) and
be careful for cool air leakage
Good example
Air
Cool air leakage
(no good)
Bad example
Ceiling
board
Air conditioner unit
Flexible drain hose
HEAT INSULATION
1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resis-
tance [over 248°F(120°C)].
2. Precautions in high humidity circum-
stance:
If it is operated for a long time in high
humid atmosphere [dew point tempera-
ture: more than 73.4°F(23°C)], water
drops are liable to fall. In this case, add
heat insulation material according to the
following procedure:
• Heat insulation material to be prepared... Adiabatic glass wool with thickness 10 to 20mm.
• Stick glass wool on all air conditioners that are located in ceiling atmosphere.
Indoor unit
Thermal insulator
(accessory)
Fastening band
(accessory)
Refrigerant piping
Installation Manual 19
Installation
ENGLISH
CAUTION : The supplied flexi-
ble drain hose should not be
curved, neither screwed. The
curved or screwed hose may
cause a leakage of water.
[Ceiling Concealed Duct/Ceiling Cassette Type]
Drain piping must have down-slope (1/50 to 1/100): be
sure not to provide up-and-down slope to prevent rever-
sal flow.
During drain piping connection, be careful not to exert
extra force on the drain port on the indoor unit.
The outside diameter of the drain connection on the in-
door unit is 1 1/4 inch(32mm).
Be sure to install heat insulation on the drain piping.
Piping material: Polyvinyl chloride pipe inner
diometes 1 inch(Ø 25mm) and pipe fittings
• Connect the main drain pipe to the exterior and
leave it provisionally until the test comes to an
end.
Feed water to the flexible drain hose and check
the piping for leakage.
• Be sure to check the drain pump for normal op-
erating and noise when electrical wiring is com-
plete.
• When the test is complete, connect the flexible
drain hose to the drain port on the indoor unit.
The air conditioner uses a drain pump to drain water.
Use the following procedure to test the drain pump operation:
Heat insulation material: Polyethylene foam
with thickness more than 5/16 inch(8mm).
Drain test
Maintenance
drain port
Upward
routing
not allowed
Pipe clamp
Indoor unit
1/50~1/100
Flexible drain hose
MAX : 700 mm(27 9/16 inch)
Feed water
Drain Pump
Drain pan
Flexible drain hose
(accessory)
Main
drain pipe
Glue the joint
Drain
port
Drain hose connection
Use the clip (accessory)
Flexible drain hose
1/50~1/100
Flexible drain hoseFlexible drain hoseFlexible drain hose
h The figure can be changed according to model.
Drain Piping
20
Installation
Attention
1. Possible drain-head height is up to 27 9/16
inch(700mm). So, it must be installed below
27 9/16 inch(700mm).
2. Keep the drain hose downward up to
1/50~1/100 inclination.
Prevent any upward flow or reverse flow in
any part.
3. 3/16 inch(5mm) or thicker formed thermal
insulator is provided for the drain pipe.
4. Upward routing is not allowed.
5. Be sure to check the drain pump for normal
operation and abnormal noise when electri-
cal wiring is complete.
1/50~1/100
MAX 27 9/16 inch
(700mm)
Elbow
Drain pump
Unit
Drain pipe
(Local supply)
Thermal insulator
(Local supply)
Wall
Drain hose
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Friedrich MR24DY3JMA Mode d'emploi

Taper
Mode d'emploi
Ce manuel convient également à