Mitsubishi SRR60ZJ-S, Service Manual

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147
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'10 • SCM-SM-094
Necessary tools for the installation work
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
1
9
2
2
2
2
1
1
1
1
1
1
1
Q'ty
Q'ty
Standard accessories (Installation kit)
Accessories for indoor unit
Installation board
(Attached to the rear of the indoor unit)
Wireless remote control
Remote control holder
Battery [R03(AAA,Micro) 1.5V]
Air-cleaning filters
Filter holders
(Attached to the front panel of indoor unit)
Pipe cover (200mm)
2
Band
Tapping screws
(for installation board 4dia. by 25mm)
Wood screws
(for remote control switch holder 3.5(mm). by 16mm)
Option parts
Sealing plate
Sleeve
Inclination plate
Putty
Drain hose (extention hose)
Piping cover
(for insulation of connection piping)
Plus headed driver
Knife
Saw
Tape measure
Hammer
Spanner wrench
Torque wrench
Hole core drill (65mm in diameter)
Wrench key (Hexagon) [4m/m]
Flaring tool set
Gas leak detector
Pipe bender
Gauge for projection adjustment
Used when flare is made by using
conventional flare tool
( )
( )
) (
14.0 ~ 61.0N m
(1.4 ~ 6.1kgf m)
(
Designed specifically
for R410A
Designed specifically
for R410A
)
2
3
4
5
6
7
8
9
10
18.5
Wireless remote control
Remote control holder
Wood screws
Piping is possible in the rear,
left,left rear, left downward,
right or downward direction.
Right
Rear
Downward
Left rear
Left downward
Left
15
60
60
60
85.3 22.7
100
55
157.2 76.3
45
65
65 65
470
80
91.5
65
45
For Right or Left rear piping
Right rear piping Left rear piping
For Right or Left piping
Right/Left piping
For Right or Left bottom piping
Left bottom piping
Right bottom piping
Latch
Latch
BEFORE INSTALLATION
Before installation check that the power supply matches the air conditioner.
SELECTION OF INSTALLATION LOCATION
INSTALLATION OF INDOOR UNIT
Indoor unit
Installing the support of piping
(Install at location that meets the following conditions, after getting approval from the customer)
Where there is no obstructions to the air flow and where the cooled and heated air can be evenly distributed.
A solid place where the unit or the wall will not vibrate.
A place where there will be enough space for servicing. (Where space mentioned below can be secured)
Where wiring and the piping work will be easy to conduct.
The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting.
A place where it can be easily drained.
A place separated at least 1m away from the television or the radio. (To prevent interference to images and sounds.)
Places where this unit is not affected by the high frequency equipment or electric equipment.
Avoid installing this unit in place where there is much oil mist.
Places where there is no electric equipment or household under the installing unit.
Install the indoor unit on flat wall.
Wireless remote control
In case of piping in the right rear direction
A place where the air conditioner can be received the signal surely during operating the wireless remote control.
Places where there is no affected by the TV and radio etc.
Do not place where exposed to direct sunlight or near heat devices such as a stove.
Drill a hole with whole core drill. In case of rear piping draw out, cut off the lower
and the right side portions of the sleeve collar.
Tape only the portion
that goes through the
wall.
Always tape the wiring
with the piping.
Sufficient care must be taken not to damage
the panel when connecting pipes.
When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use pipe hole sleeve sold separately.
Drilling of holes and fixture of sleeve (Option parts)
Taping of the exterior
Top Indoor side Outdoor side
Thicknese of the wall + 1.5cm
5
65
Indoor side Outdoor side Installed state
Turn to
tighten
b b
c
a
Open and detachment of the air inlet panel
To open, pull the panel at both ends of upper part
and release latches, and undo the strings.
Then remove the panel.
How to remove the front panel
Indoor unit piping direction
1
Remove the air inlet panel.
2 Remove the 5 set screws.
3 Remove the 3 latches in the upper section.
If the latches are difficult to remove, push the latch
portion out using a screw driver, for example.
4 Move the lower part of the panel forward and
remove the 6 latches in the under section.
CAUTION Arrange the drain hose in a downward angle
Avoid the following drain piping.
Pour water to the drain pan located under the heat exchanger, and ensure that the water is discharged outdoor.
When the extended drain hose is indoor, always use a shield pipe (to be arranged by the user) and ensure it is
thermally insulated
Drainage
Go through all installation steps and check if the
dralnage is all right. Otherwise water leak may occur.
Shield pipe
Drain hose Extended drain hose
When it is exposed indoor.
Higher than specified The drain hose
tip is in water
Wavy
The gap to the ground is
5 cm or less
The drain hose
tip is in the gutter
Odor from
the gutter
SAFETY PRECAUTIONS
C
WARNING
• We recommend you to read this “SAFETY PRECAUTIONS” carefully before
the installation work in order to gain full advantage of the functions of the unit
and to avoid malfunction due to mishandling.
• The precautions described below are divided into
and . The matters with possibilities leading to
serious consequences such as death or serious personal injury due to
erroneous handling are listed in the and the matters with
possibilities leading to personal injury or damage of the unit due to erroneous
handling including probability leading to serious consequences in some cases
are listed in . These are very important precautions for safety.
Be sure to observe all of them without fail.
• Be sure to confirm no anomaly on the equipment by commissioning after
completed installation and explain the operating methods as well as the
maintenance methods of this equipment to the user according to the owner’s
manual.
• Keep the installation manual together with owner’s manual at a place where
any user can read at any time. Moreover if necessary, ask to hand them to a
new user.
• For installing qualified personnel, take precautions in respect to themselves by
using suitable protective clothing, groves, etc., and then perform the
installation works.
• Please pay attention not to fall down the tools, etc. when installing the unit at
the high position.
• If unusual noise can be heard during operation, consult the dealer.
• Symbols which appear frequently in the text have the following meaning:
• This instruction manual illustrates the method of installing an indoor
unit.
• For electrical wiring work, please see instructions set out on the
backside.
• For outdoor unit installation and refrigerant piping, please refer to
page 132 and 143.
• A wired remote control unit is supplied separately as an optional part.
• When install the unit, be sure to check whether the selection of
installation place, power supply specifications, usage limitation (piping
length, height differences between indoor and outdoor units, power
supply voltage and etc.) and installation spaces.
Strictly prohibited
Observe instructions
with great care Provide proper
earthing
CAUTION WARNING
CAUTION
WARNING
• Installation must be carried out by the qualified installer.
If you install the system by yourself, it may cause serious trouble such
as water leaks, electric shocks, fire and personal injury, as a result of a
system malfunction.
• Install the system in full accordance with the instruction manual.
Incorrect installation may cause bursts, personal injury, water leaks, electric
shocks and fire.
• Be sure to use only for household and residence.
If this appliance is installed in inferior environment such as machine shop
and etc., it can cause malfunction.
• Use the original accessories and the specified components for
installation.
If parts other than those prescribed by us are used, It may cause water
leaks, electric shocks, fire and personal injury.
• Install the unit in a location with good support.
Unsuitable installation locations can cause the unit to fall and cause
material damage and personal injury.
• Ventilate the working area well in the event of refrigerant leakage
during installation.
If the refrigerant comes into contact with naked flames, poisonous gas is
produced.
• When installing in small rooms, take prevention measures not to
exceed the density limit of refrigerant in the event of leakage.
Consult the expert about prevention measures. If the density of refrigerant
exceeds the limit in the event of leakage, lack of oxygen can occur, which
can cause serious accidents.
• After completed installation, check that no refrigerant leaks from
the system.
If refrigerant leaks into the room and comes into contact with an oven or
other hot surface, poisonous gas is produced.
• Use the prescribed pipes, flare nuts and tools for R410A.
Using existing parts (for R22 or R407C) can cause the unit failure and
serious accidents due to burst of the refrigerant circuit.
• Tighten the flare nut by torque wrench with specified method.
If the flare nut were tightened with excess torque, this may cause burst and
refrigerant leakage after a long period.
• The electrical installation must be carried out by the qualified
electrician in accordance with “the norm for electrical work” and
“national wiring regulation”, and the system must be connected to
the dedicated circuit.
Power supply with insufficient capacity and incorrect function done by
improper work can cause electric shocks and fire.
• Be sure to shut off the power before starting electrical work.
Failure to shut off the power can cause electric shocks, unit failure or
incorrect function of equipment.
• Be sure to use the cables conformed to safety standard and cable
ampacity for power distribution work.
Unconformable cables can cause electric leak, anomalous heat production
or fire.
• This appliance must be connected to main power supply by means
of a circuit breaker or switch (fuse:16A) with a contact separation of
at least 3mm.
• When plugging this appliance, a plug conforming to the norm
IEC60884-1 must be used.
• Use the prescribed cables for electrical connection, tighten the
cables securely in terminal block and relieve the cables correctly to
prevent overloading the terminal blocks.
Loose connections or cable mountings can cause anomalous heat
production or fire.
• Arrange the wiring in the control box so that it cannot be pushed up
further into the box. Install the service panel correctly.
Incorrect installation may result in overheating and fire.
• Be sure to switch off the power supply in the event of installation,
inspection or servicing.
If the power supply is not shut off, there is a risk of electric shocks, unit
failure or personal injury due to the unexpected start of fan.
CAUTION
• Use the circuit breaker with sufficient breaking capacity.
If the breaker does not have sufficient breaking capacity, it can cause the
unit malfunction and fire.
• Earth leakage breaker must be installed.
If the earth leakage breaker is not installed, it can cause electric shocks.
• Install isolator or disconnect switch on the power supply wiring in
accordance with the local codes and regulations.
• Be sure to install indoor unit properly according to the instruction
manual in order to run off the drainage smoothly.
Improper installation of indoor unit can cause dropping water into the room
and damaging personal property.
• Install the drainage pipe to run off drainage securely according to
the installation manual.
Incorrect installation of the drainage pipe can cause dropping water into the
room and damaging personal property.
• Be sure to install the drainage pipe with descending slope of 1/100
or more, and not to make traps and air-bleedings.
Check if the drainage runs off securely during commissioning and ensure
the space for inspection and maintenance.
• 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.
• For installation work, be careful not to get injured with the heat
exchanger, piping flare portion or screws etc.
• Be sure to insulate the refrigerant pipes so as not to condense the
ambient air moisture on them.
Insufficient insulation can cause condensation, which can lead to moisture
damage on the ceiling, floor, furniture and any other valuables.
• When perform the air conditioner operation (cooling or drying
operation) in which ventilator is installed in the room. In this case,
using the air conditioner in parallel with the ventilator, there is the
possibility that drain water may backflow in accordance with the
room lapse into the negative pressure status. Therefore, set up the
opening port such as incorporate the air into the room that may
appropriate to ventilation (For example; Open the door a little). In
addition, just as above, so set up the opening port if the room lapse
into negative pressure status due to register of the wind for the high
rise apartment etc.
• Do not install the unit in the locations listed below.
• Locations where carbon fiber, metal powder or any powder is floating.
• Locations where any substances that can affect the unit such as sulphide
gas, chloride gas, acid and alkaline can occur.
• Vehicles and ships.
• Locations where cosmetic or special sprays are often used.
• Locations with direct exposure of oil mist and steam such as kitchen and
machine plant.
• Locations where any machines which generate high frequency harmonics
are used.
• Locations with salty atmospheres such as coastlines.
• Locations with heavy snow (If installed, be sure to provide base flame and
snow hood mentioned in the manual).
• Locations where the unit is exposed to chimney smoke.
• Locations at high altitude (more than 1000m high).
• Locations with ammonic atmospheres.
• Locations where heat radiation from other heat source can affect the unit.
• Locations without good air circulation.
• Locations with any obstacles which can prevent inlet and outlet air of the
unit.
• Locations where short circuit of air can occur (in case of multiple units
installation).
• Locations where strong air blows against the air outlet of outdoor unit.
It can cause remarkable decrease in performance, corrosion and damage
of components, malfunction and fire.
• 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 1m).
• Locations where drainage cannot run off safely.
It can affect performance or function and etc.
• Do not install the unit near the location where leakage of
combustible gases can occur.
If leaked gases accumulate around the unit, it can cause fire.
• Do not install the unit where corrosive gas (such as sulfurous acid
gas etc.) or combustible gas (such as thinner and petroleum gases)
can accumulate or collect, or where volatile combustible
substances are handled.
Corrosive gas can cause corrosion of heat exchanger, breakage of plastic
parts and etc. And combustible gas can cause fire.
• Do not use the indoor unit at the place where water splashes may
occur such as in laundries.
Since the indoor unit is not waterproof, it can cause electric shocks and
fire.
• Do not install nor use the system close to the equipment that
generates electromagnetic fields or high frequency harmonics.
Equipment such as inverters, standby generators, medical high frequency
equipments and telecommunication equipments can affect the system, and
cause malfunctions and breakdowns. The system can also affect medical
equipment and telecommunication equipment, and obstruct its function or
cause jamming.
• Do not place any variables which will be damaged by getting wet
under the indoor unit.
When the relative humidity is higher than 80% or drainage pipe is clogged,
condensation or drainage water can drop and it can cause the damage of
valuables.
• Do not install the remote control at the direct sunlight.
It can cause malfunction or deformation of the remote control.
• Do not use the unit for special purposes such as storing foods,
cooling precision instruments and preservation of animals, plants or
art.
It can cause the damage of the items.
• Do not use any materials other than a fuse with the correct rating in
the location where fuses are to be used.
Connecting the circuit with copper wire or other metal thread can cause
unit failure and fire.
• Do not touch any buttons with wet hands.
It can cause electric shocks.
• Do not touch any refrigerant pipes with your hands when the
system is in operation.
During operation the refrigerant pipes become extremely hot or extremely
cold depending the operating condition, and it can cause burn injury or
frost injury.
• Carry out the electrical work for ground lead with care.
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line’s ground lead. Incorrect grounding can cause unit faults
such as electric shocks due to short-circuiting.
• Do not put the drainage pipe directly into drainage channels where
poisonous gases such as sulphide gas can occur.
Poisonous gases will flow into the room through drainage pipe and
seriously affect the user’s health and safety.
• Ensure that no air enters in the refrigerant circuit when the unit is
installed and removed.
If air enters in the refrigerant circuit, the pressure in the refrigerant circuit
becomes too high, which can cause burst and personal injury.
• Do not processing, splice the power cord, or share a socket with
other power plugs.
This may cause fire or electric shock due to defecting contact, defecting
insulation and over-current etc.
• Do not bundling, winding or processing for the power cord. Or, do
not deforming the power plug due to tread it.
This may cause fire or heating.
• Do not vent R410A into the atmosphere : R410A is a fluorinated
greenhouse gas, covered by the Kyoto Protocol with Global
Warming Potential (GWP)=1975.
• Do not run the unit with removed panels or protections.
Touching rotating equipments, hot surfaces or high voltage parts can cause
personal injury due to entrapment, burn or electric shocks.
• Do not perform any change of protective device itself or its setup
condition.
The forced operation by short-circuiting protective device of pressure
switch and temperature controller or the use of non specified component
can cause fire or burst.
R410A REFRIGERANT USED
FLOOR TYPE AIR CONDITIONER
INSTALLATION MANUAL FOR INDOOR UNIT
WARNING
RFB012A002A
CAUTION
Completely seal the hole on
the wall with putty. Otherwise,
furniture, or other, may be
wetted by leaked water or
dewing. putty
putty
Indoor side Outdoor side
Installation board
5 cm minimum
from the wall
from the wall
5 cm +
Service space (30c
m)
7 cm minimum from the ceiling
15 cm or below from the floor
Sleeve
(sold separately)
When removing the air-inlet panel,
be careful not to drop it on your feet.
CAUTION
1
Be careful not to
stress the connecting
refrigerant pipse. (Do
not pull with a force of
larger than 5 kgf.) If
improperly installed,
it may cause abnormal
noise and vibration.
CAUTION
(2) Floor standing type (SRF)
C
RFB012A002A
127 138