-
108
-
'17 • SCM-T-225
①
Before installation
Air return grille
Accessories
are inside.
235(Liquid piping)
195(Gas piping)
271
110
76
135
75
10
109
53
53
Unit interior
10 mm slope
Gas
piping
Liquid
piping
Refrigerant line
Drain piping
(right)
Drain piping (left)
Blowout opening
Wall
215
290
690
24
24
B
A
Grille upside
(Indoor unit)
Filter
Pin
Side panel screw
(1 each on the left and right) (M4)
Side panel
Indoor
unit
Hanging plate
Unscrew
8-12mm
Hanging plate
screw
Hanging
plate fixing
bolts(M8)
Hanging plate
4000~5000mm or more
100mm
or more
300mm or mor
e
150mm or more
5mm or more
Obstacle
60
100
27
Rear outlet
84
98
Top cover
Drain line
(left)
Rear cover
Cutout parts
108
60
47
120
175
19
27
31
Drain line
(rear left)
Top outlet
Right outlet
Remove the line
Location of pipe outlets
Pipe position
Pitch of suspension bolts
※
The outlet through which the pipings are taken out is
available in three directions.
※
Pipes can be taken out in 3 directions (rear, right or
top).
・
Cut out holes using nippers, etc.
・
Cut out holes to take out pipes along the cutoff line
on the rear cover.
・
Cut out the top face cover aligning to the piping
position.
・
When taking pipe out to right-hand side, cut out a
hole along the groove at the inside of side panel.
・
After installing pipes and wires, seal clearances
around pipes and wires with putty, etc. to shut off
dust.
Make sure to install the covers at rear and top in order to
protect the inside of unit from intrusion of dust or protect
wires from damages by sharp edges. When taking them
out to the right-hand side, remove burrs or sharp edges
from the cutout.
①
Before installation
③
Preparation before installation (continued)
②
Selection of installation location for the indoor unit
Accessory item
For unit hanging
For refrigerant pipe
Flat washer (M10) Paper pattern Pipe cover (large) Pipe cover (small)
Strap
8
1
1
1
4
For unit hanging
For heat insulation
of gas pipe
For heat insulation
of liquid pipe
For fixing of pipe
cover
For unit hanging
and adjustment
③
Preparation before installation
INSTALLATION MANUAL FOR CEILING SUSPENDED
TYPE (FDE)
This manual is for the installation of an indoor unit.
For remote control installation, refer to page 301. For wireless kit installation, refer
to page 322. For electrical wiring work (Outdoor) and refrigerant pipe work instal-
lation for outdoor unit, refer to page 14.
Pitch of suspension bolts and pipe position
1. Remove the air return grille.
Slide stoppers (4 places) of the catches,
then pull out the pins ( 4 or 6 places).
3. Remove the hanging plate.
Remove the screw, and then loosen
the fixing bolts.
2. Remove the side panel.
Remove the screw and detach the
side panel by sliding it toward the
direction indicated by the arrow mark.
Move the box as close to the installation area as possible packed.
If it must be unpacked, wrap the unit with a nylon sling,
and be careful not to damage the unit.
If you need to lay the unit on a floor after unpacking, always
put it with the intake grille facing upward.
Series
type
A
B
40 to 50type
1070
1022
60 to 71type
1320
1272
100 to 140type 1620
1572
36 to 56type
1070
1022
71type
1320
1272
112 to 140type
1620
1572
Single Split (PAC)
series
VRF (KX) series
For drain pipe
Drain hose
(with clamp) Hose clamp Fixing bracket Screw
Heay insulation
1
1
2
1
For drain hose
For drain pipe
connection
For fixing of
drain hose
1
For drain hose
mounting
For installing of
fixing bracket
For air return grille
Screw
4
For fixing air
return grille
Preparation before instalation
④
Remote control
Installation of remote control
Up to two receiver or wired remote control can be installed in one indoor unit
group.
Space for installation and service
Haulage
①
Select the suitable areas to install the unit under approval of the user.
・
Areas where the indoor unit can deliver hot and cold wind sufficiently.
Suggest to the user to use a circulator if the ceiling height is over 3m to
avoid warm air being accumulated on the ceiling.
・
Areas where there is enough space to install and service.
・
Areas where it can be drained properly. Areas where drain pipe descend-
ing slope can be taken.
・
Areas where there is no obstruction of airflow on both air return grille and air supply port.
・
Areas where fire alarm will not be accidentally activated by the air-conditioner.
・
Areas where the supply air does not short-circuit.
・
Areas where it is not influenced by draft air.
・
Areas not exposed to direct sunlight.
・
Areas where dew point is lower than around 23°C and relative humidity is lower than 80%.
This indoor unit is tested under the condition of JIS (Japan Industrial Stan-
dard) high humidity condition and confirmed there is no problem. How-
ever, there is some risk of condensation drop if the air-conditioner is oper-
ated under the severer condition than mentioned above.
・
Areas where TV and radio stays away more than 1m. (It could cause jamming and noise.)
・
Areas where any items which will be damaged by getting wet are not placed
such as food, table wares, server, or medical equipment under the unit.
・
Areas where there is no influence by the heat which cookware generates.
・
Areas where not exposed to oil mist, powder and/or steam directly such as above fryer.
・
Areas where lighting device such as fluorescent light or incandescent light
doesn’t affect the operation.
(A beam from lighting device sometimes affects the infrared receiver for the
wireless remote control and the air-conditioner might not work properly.)
②
Check if the place where the air-conditioner is installed can hold the weight of the unit.
If it is not able to hold, reinforce the structure with boards and beams strong enough
to hold it. If the strength is not enough, it could cause injury due to unit falling.
③
If there are 2 units of wireless type, keep them away for more than 6m to
avoid malfunction due to cross communication.
④
When plural indoor units are installed nearby, keep them away for more than 4 to 5m.
(mm)
Install correctly according to the installation manual.
Confirm the following points:
Unit type/Power source specification Pipes/Wires/Small parts Accessory items
If suspension bolt becomes longer, do reinforcement of earthquake resistant.
For grid ceiling
When suspension bolt length is over 500mm, or the gap between the ceiling
and roof is over 700mm, apply earthquake resistant brace to the bolt.
In case the unit is hanged directly from the slab and is installed on the
ceiling plane which has enough strength.
When suspension bolt length is over 1000mm, apply the earthquake resistant brace to the bolt.
Prepare four (4) sets of suspension bolt, nut and spring washer (M10) on site.
When both wired and wireless remote control are used
It is necessary to set wired or wireless remote control as slave.
(For the method of changing the setting, refer to the installtion
manual attached to remote control or wireless kit.)
When wired remote control are used only (wireless type)
It is necessary to remove the line that is connected to the receiver.
Remove signal line connected to the receiver from primary side of
terminal block (X, Y).
ATTENTION
①
Insulate with tape the removed line.
②
The LED of that removed connector will not be able to make any
indication.
SAFETY PRECAUTIONS
WARNING
CAUTION
●
Read the “SAFETY PRECAUTIONS” carefully first of all and then strictly follow it during the installation work
in order to protect yourself.
●
The precautionary items mentioned below are distinguished into two levels, and .
: Wrong installation would cause serious consequences such as injuries or death.
: Wrong installation might cause serious consequences depending on circumstances.
Both mentions the important items to protect your health and safety so strictly follow them by any means.
●
The meanings of “Marks” used here are as shown as follows:
●
After completing the installation, do commissioning to confirm there are no abnormalities, and explain to the
customers about “SAFETY PRECAUTIONS”, correct operation method and maintenance method (air filter
cleaning, operation method and temperature setting method) with user’s manual of this unit.
Ask your customers to keep this installation manual together with the user’s manual. Also, ask them to hand
over the user’s manual to the new user when the owner is changed.
CAUTION
Never do it under any circumstances.
CAUTION
●
Installation should be performed by the specialist.
If you install the unit by yourself, it may lead to serious trouble such as water leakage, electric shock, fire, and injury due to overturn of the unit.
●
Install the system correctly according to these installation manuals.
Improper installation may cause explosion, injury, water leakage, electric shock, and fire.
●
When installing in small rooms, take prevention measures not to exceed the density limit of refrigerant in the
event of leakage, referred by the formula (accordance
with
ISO5149).
If
the
density
of refrigerant exceeds the limit, please consult the dealer and install the ventilation system, otherwise lack of
oxygen can occur, which can cause serious accidents.
●
Use the genuine accessories and the specified parts for installation.
If parts unspecified by our company are used it could cause water leakage, electric shock, fire, and injury due to overturn of the unit.
●
Ventilate the working area well in case the refrigerant leaks during installation.
If the refrigerant contacts the fire, toxic gas is produced.
●
Install the unit in a location that can hold heavy weight.
Improper installation may cause the unit to fall leading to accidents.
●
Install the unit properly in order to be able to withstand strong winds such as typhoons, and earthquakes.
Improper installation may cause the unit to fall leading to accidents.
●
Do not mix air in to the cooling cycle on installation or removal of the air-conditioner.
If air is mixed in, the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries.
●
Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit.
Power source with insufficient capacity and improper work can cause electric shock and fire.
●
Use specified wire for electrical wiring, fasten the wiring to the terminal securely, and hold the cable securely in
order not to apply unexpected stress on the terminal.
Loose connections or hold could result in abnormal heat generation or fire.
●
Arrange the electrical wires in the control box properly to prevent them from rising. Fit the lid of the services
panel property.
Improper fitting may cause abnormal heat and fire.
●
Check for refrigerant gas leakage after installation is completed.
If the refrigerant gas leaks into the house and comes in contact with a fan heater, a stove, or an oven, toxic gas is produced.
●
Use the specified pipe, flare nut, and tools for R410A.
Using existing parts (R22) could cause the unit failure and serious accident due to explosion of the cooling cycle.
●
Tighten the flare nut according to the specified method by with torque wrench.
If the flare nut were tightened with excess torque, it could cause burst and refrigerant leakage after a long period.
●
Do not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can occur.
Poisonous gases will flow into the room through drainage pipe and seriously affect the user's health and safety. This can also
cause the corrosion of the indoor unit and a resultant unit failure or refrigerant leak.
●
Connect the pipes for refrigeration circuit securely in installation work before compressor is operated.
If the compressor is operated when the service valve is open without connecting the pipe, it could cause explosion and injuries due
to abnormal high pressure in the system.
●
Stop the compressor before removing the pipe after shutting the service valve on pump down work.
If the pipe is removed when the compressor is in operation with the service valve open, air would be mixed in the refrigeration circuit
and it could cause explosion and injuries due to abnormal high pressure in the cooling cycle.
●
Only use prescribed option parts. The installation must be carried out by the qualified installer.
If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire.
●
Do not repair by yourself. And consult with the dealer about repair.
Improper repair may cause water leakage, electric shock or fire.
●
Consult the dealer or a specialist about removal of the air-conditioner.
Improper installation may cause water leakage, electric shock or fire.
●
Turn off the power source during servicing or inspection work.
If the power is supplied during servicing or inspection work, it could cause electric shock and injury by the operating fan.
●
Do not run the unit when the panel or protection guard are taken off.
Touching the rotating equipment, hot surface, or high voltage section could cause an injury to be caught in the machine, to get
burned, or electric shock.
●
Shut off the power before electrical wiring work.
It could cause electric shock, unit failure and improper running.
●
Perform earth wiring surely.
Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring. Improper earth could
cause unit failure, electric shock and fire due to a short circuit.
●
Earth leakage breaker must be installed.
If the earth leakage breaker is not installed, it can cause fire and electric shocks.
●
Use the circuit breaker of correct capacity. Circuit breaker should be the one that disconnect all
poles under over current.
Using the incorrect one could cause the system failure and fire.
●
Do not use any materials other than a fuse of correct capacity where a fuse should be used.
Connecting the circuit by wire or copper wire could cause unit failure and fire.
●
Do not install the indoor unit near the location where there is possibility of flammable gas leakages.
If the gas leaks and gathers around the unit, it could cause fire.
●
Do not install and use the unit where corrosive gas (such as sulfurous acid gas etc.) or flammable gas (such
as thinner, petroleum etc.) may be generated or accumulated, or volatile flammable substances are handled.
It could cause the corrosion of heat exchanger, breakage of plastic parts etc. And inflammable gas could cause fire.
●
Secure a space for installation, inspection and maintenance specified in the manual.
Insufficient space can result in accident such as personal injury due to falling from the installation place.
●
Do not use the indoor unit at the place where water splashes such as laundry.
Indoor unit is not waterproof. It could cause electric shock and fire.
●
Do not use the indoor unit for a special purpose such as food storage, cooling for precision
instrument, preservation of animals, plants, and a work of art.
It could cause the damage of the items.
●
Do not install nor use the system near equipments which generate electromagnetic wave or high harmonics.
Equipments like inverter equipment, private power generator, high-frequency medical equipment, or telecommunication
equipment might influence the air-conditioner and cause a malfunction and breakdown. Or the air-conditioner might
influence medical equipments or telecommunication equipments, and obstruct their medical activity or cause jamming.
●
Do not install the remote control at the direct sunlight.
It could cause breakdown or deformation of the remote control.
●
Do not install the indoor unit at the place listed below.
· Places where flammable gas could leak.
· Places where carbon fiber, metal powder or any powder is floated.
· Place where the substances which affect the air-conditioner are generated
such as sulfide gas, chloride gas, acid, alkali or ammonic atmospheres.
· Places exposed to oil mist or steam directly.
· On vehicles and ships
· Places where machinery which generates high harmonics is used.
●
Do not install the indoor unit in the locations listed below (Be sure to install the indoor unit
according to the installation manual for each model because each indoor unit has each limitation)
· Locations with any obstacles which can prevent inlet and outlet air of the unit
· Locations where vibration can be amplified due to insufficient strength of structure.
· Locations where the infrared receiver is exposed to the direct sunlight or the strong light beam. (in case of the
infrared specification unit)
· Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)
· Locations where drainage cannot run off safely.
It can affect performance or function and etc..
●
Do not put any valuables which will break down by getting wet under the air-conditioner.
Condensation could drop when the relative humidity is higher than 80% or drain pipe is clogged, and it damages user’s belongings.
●
Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use.
It could cause the unit falling down and injury.
●
Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit.
If sputter entered into the unit during brazing work, it could cause damage (pinhole) of drain pan and leakage of water.
To avoid damaging, keep the indoor unit packed or cover the indoor unit.
●
Install the drain pipe to drain the water surely according to the installation manual.
Improper connection of the drain pipe may cause dropping water into room and damaging user’s belongings.
●
Do not share the drain pipe for indoor unit and GHP (Gas Heat Pump system) outdoor unit.
Toxic exhaust gas would flow into room and it might cause serious damage (some poisoning or deficiency of oxygen) to
user’s health and safety.
●
Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work.
If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can
occur, which can cause serious accidents.
●
For drain pipe installation, be sure to make descending slope of greater than 1/100, not to make traps,
and not to make air-bleeding.
Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance.
●
Ensure the insulation on the pipes for refrigeration circuit so as not to condense water.
Incomplete insulation could cause condensation and it would wet ceiling, floor, and any other valuables.
●
Do not install the outdoor unit where is likely to be a nest for insects and small animals.
Insects and small animals could come into the electronic components and cause breakdown and fire. Instruct the user to
keep the surroundings clean.
●
Pay extra attention, carrying the unit by hand.
Carry the unit with 2 people if it is heavier than 20kg. Do not use the plastic straps but the grabbing place, moving the unit
by hand. Use protective gloves in order to avoid injury by the aluminum fin.
●
Make sure to dispose of the packaging material.
Leaving the materials may cause injury as metals like nail and woods are used in the package.
●
Do not operate the system without the air filter.
It may cause the breakdown of the system due to clogging of the heat exchanger.
●
Do not touch any button with wet hands.
It could cause electric shock.
●
Do not touch the refrigerant piping with bare hands when in operation.
The pipe during operation would become very hot or cold according to the operating condition, and it could cause a burn or frostbite.
●
Do not clean up the air-conditioner with water.
It could cause electric shock.
●
Do not turn off the power source immediately after stopping the operation.
Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or breakdown.
●
Do not control the operation with the circuit breaker.
It could cause fire or water leakage. In addition, the fan may start operation unexpectedly and it may cause injury.
Always do it according to the instruction.
· Places where cosmetics or special sprays are
frequently used.
· Highly salted area such as beach.
· Heavy snow area
· Places where the system is affected by
smoke from a chimney.
· Altitude over 1000m
PFA012D621D
B
(5) Ceiling suspended type (FDEN, FDE)
Model FDEN50VF
