Daikin FHA35AVEB, FHA50AVEB, FHA60AVEB, FHA71AVEB, FHA100AVEB Operation manuals
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OPERATION MANUAL
Split system air conditioners
FHA35AVEB
FHA50AVEB
FHA60AVEB
FHA71AVEB
FHA100AVEB
FHA125AVEB
FHA140AVEB
CONTENTS
(1)
For refrigerant used please refer to the nameplate
of the outdoor unit.
(2)
GWP = global warming potential
required depending on European or local legislation.
Please contact your local dealer for more information.
the refrigerant used
This product contains fluorinated greenhouse gases.
Do not vent gases into the atmosphere.
Refrigerant type
(1)
:
GWP
(2)
value for R410A is 2087.5
GWP
(2)
value for R32 is 675
R410A or R32
NOTICE regarding tCO2eq
In Europe, the greenhouse gas emissions of
the total refrigerant charge in the system
(expressed as tonnes CO
2
-equivalent) is used
to determine the maintenance intervals. Follow
the applicable legislation.
Formula to calculate the greenhouse gas
emissions:
GWP value of the refrigerant × Total refrigerant
charge [in kg] / 1000
CAUTION
WARNING
1. SAFETY PRECAUTIONS............................... 1
2. WHAT TO DO BEFORE OPERATION........... 3
3. OPERATION RANGE..................................... 5
4. INSTALLATION SITE ..................................... 5
5. OPERATION PROCEDURE........................... 6
6. OPERATION CHARACTERISTICS................ 6
7. OPTIMUM OPERATION................................. 8
8. MAINTENANCE
(FOR SERVICE PERSONNEL)...................... 9
9. NOT MALFUNCTION OF THE AIR
CONDITIONER............................................. 12
10. TROUBLE SHOOTING................................. 14
11. DISPOSAL REQUIREMENTS...................... 16
The original instructions are written in English.
All other languages are translations of the original
instructions.
This appliance is filled with R32.*
* Only applicable if this appliance is connected with the
following models of outdoor units: RZAG71~140,
RZASG71~140, RXM35~60, 3MXM40~68,
4MXM68~80, 5MXM90
Important information regarding
1. SAFETY PRECAUTIONS
To gain full advantage of the air conditioner’s functions and to
avoid malfunction due to mishandling, please read this operation manual carefully before use.
This product comes under the term “appliances not accessible
to the general public”.
This appliance is intended to be used by expert or
trained users in shops, in light industry and on farms,
or for commercial and household use by lay persons.
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 appliance is not intended for use by unattended
young children or persons who are incompetent to
operate air conditioners.
It may result in injury or electric shocks.
•
This manual classifies the precautions into WARNINGS
and CAUTIONS. Be sure to follow all the precautions
below: They are all important for ensuring safety.
WARNING ....... Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
Periodical inspections for refrigerant leaks may be
CAUTION ........Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury.
It may also be used to alert against unsafe
practices.
• After reading, keep this manual in a convenient place so
that you can refer to it whenever necessary. If the equipment is transferred to a new user, be sure also to hand
over the manual.
When the air conditioner is malfunctioning (giving off a
burning odor, etc.), turn off the power to the air conditioner and contact your local dealer.
Continued operation under such circumstances may result
in a failure, electric shocks or a fire.
Consult your local dealer regarding modification,
repair and maintenance of the air conditioner.
Improper workmanship may result in water leakage, electric
shocks or a fire.
Be sure to use fuses with the correct ampere reading.
Do not use improper fuses, copper or other wiring as a substitute, as this may result in electric shocks, a fire, injury or
damage to the air conditioner.
Consult your local dealer if the air conditioner undergoes a natural disaster, such as a flood or typhoon.
Do not operate the a ir condi tioner in tha t case, o r otherwise
a malfunction, electric shocks, or a fire may result.
Turn ON o r OFF t he air condi tioner with t he re m ote c o ntroller. Never use the power circuit breaker for this purpose.
1 English
Otherwise, it may cause a fire or water leakage. Further-
CAUTION
more, if an automatic restart control is provided against
power failure and the power is recovered, the fan will rotate
suddenly and may cause injury.
Do not use the air conditioner in the atmosphere contaminated with oil mist, such as cooking oil or machine
oil vapor.
Oil mist may cause crack damage to the air conditioner,
electric shocks, or a fire.
Do not use flammable materials (e.g., hairspray or
insecticide) near the air conditioner.
Do not clean the air conditioner with organic solvents
such as paint thinner.
The use of organic solvents may cause crack damage to
the air conditioner, electric shocks, or a fire.
Do not use the air conditioner in places with excessive
oily smoke, such as kitchen, or in places with flammable gas, corrosive gas, or metal dust.
Using the air conditioner in such places may cause a fire or
air conditioner failures.
Beware of a fire in case of refrigerant leakage.
If the air conditioner is not operating correctly, i.e. not generating cool or warm air, refrigerant leakage could be the
cause. Consult your local dealer for assistance. The refrigerant used for the air conditioner is safe and normally does
not leak. However, if the refrigerant leaks and gets in contact with a naked burner, heater or cooker, it may generate
toxic gas. Turn off the air conditioner, call your local dealer.
and ventilate the area immediately Turn on the air conditioner after the qualified service person makes sure to confirm that the leakage is repaired.
Do not place objects, including rods, fingers, etc., in
the air inlet or outlet.
Injury may result due to contact with the air conditioner’s
high-speed fan blades.
Ask your local dealer for cleaning the inside of the air
conditioner.
Improper cleaning may cause breakage of plastic parts,
water leakage and other damage as well as electric shocks.
Prolonged, direct exposure to cool or warm air from the
air conditioner, can be harmful to your physical condition and health.
Ask your local dealer to perform the installation work.
Doing the work yourself may result in water leakage, electric shocks or a fire.
Contact professional personnel about attachment of
accessories and be sure to use only accessories specified by the manufacturer.
If a defect results from your own workmanship, it may result
in water leakage, electric shocks or a fire.
Consult your local dealer regarding relocation and
reinstallation of the air conditioner.
Improper installation work may result in leakage, electric
shocks or a fire.
Be sure to earth the air conditioner.
Do not earth the air conditioner to a utility piping, lightning
conductor or telephone earth lead.
Imperfect earthing may result in electric shocks or a fire.
A high surge current from lightning or other sources may
cause damage to the air conditioner.
Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may result in
electric shocks or a fire.
Be sure to use a dedicated power supply for the air
conditioner.
The use of any other power supply may cause heat generation, a fire, or air conditioner failures.
Consult your local dealer regarding what to do in case
of refrigerant leakage.
When the air conditioner is installed in a small room, it is
necessary to take proper measures to avoid oxygen depletion in case of refrigerant leakage.
Children should be watched so that they do not play
with the indoor unit or its remote controller.
Accidental operation by a child may result in injury or electric shocks.
Do not allow a child to mount on the outdoor unit or
avoid placing any object on it.
Falling or tumbling may result in injury.
Do not let children play on or around the outdoor unit.
If they touch the unit carelessly, injury may be caused.
Be sure that children, plants or animals are not
exposed directly to airflow from the indoor unit, as
adverse effects may ensue.
Do not place flammable sprays or operate spray containers near the air conditioner as this may result in a
fire.
Do not rinse the air conditioner or the remote controller
with water, as this may result in electric shocks or fire.
Do not place water containers (flower vases, etc.) on
the indoor unit, as this may result in electric shocks or
a fire.
Do not put flammable containers, such as spray cans,
within 1 m from the air outlet.
The containers may explode because the warm air from the
indoor or outdoor unit.
Turn off the power when the air conditioner is not used
for long periods of time.
Otherwise, the air conditioner may get hot or catch on a fire
due to dust accumulation.
Do not place objects in direct proximity of the outdoor
unit and do not let leaves and other debris accumulate
around the unit.
Leaves are a hotbed for small animals which can enter the
unit. Once in the unit, such animals can cause malfunctions, smoke or fire when making contact with electrical
parts.
Before cleaning, be sure to stop the air conditioner
operation, turn the power circuit breaker off.
Otherwise, an electric shocks and injury may result.
To avoid electric shocks, do not operate with wet
hands.
Never touch the internal parts of the remote controller.
Touching certain internal parts will cause electric shocks
and damage to the remote controller. Consult your local
dealer about checking and adjustment of internal parts.
To avoid oxygen deficiency, ensure that the room is
adequately ventilated if equipment such as a burner is
used together with the air conditioner.
Keep your remote controller in dry place.
If wat er ge ts i nto t he r emot e contro ller ther e is a ris k of e lectrical leakage and damage to electronic components.
Watch your steps at the time of air filter cleaning or
inspection.
English 2
High-place work is required, to which utmost attention must
WARNING
RISK OF ELECTRIC SHOCKS OR A FIRE
CAUTION! DANGER OF ELECTRIC SHOCKS
A
1
2
OUTDOOR INDOOR
be paid.
If the scaffold is unstable, you may fall or topple down, thus
causing injury.
Do not remove the outdoor unit’s outlet side grille.
The grille protects against the unit’s high speed fan, which
may cause injury.
To avoid injury, do not touch the air inlet or aluminum
fins of the air conditioner.
Do not place objects that are susceptible to moisture
directly beneath the indoor or outdoor units.
Under certain conditions, condensation on the unit or refrigerant piping, air filter dirt or drain blockage may cause dripping, resulting in fouling or failure of the object concerned.
Do not place heaters directly below the indoor unit, as
resulting heat can cause deformation.
Do not place appliances that produce naked flames in
places exposed to the airflow from the air conditioner
as this may impair combustion of the burner.
Do not block air inlets nor outlets.
Impaired airflow may result in insufficient performance or
trouble.
Do not use the air conditioner for purposes other than
those for which it is intended.
Do not use the air conditioner for cooling precision instruments, food, plants, animals or works of art as this may
adversely affect the performance, quality and/or longevity
of the object concerned.
Do not install the air conditioner at any place where
there is a danger of flammable gas leakage.
In the event of a gas leakage, build-up of gas near the air
conditioner may result in a fire.
Carry out drain piping properly to ensure complete
drainage.
If drain piping is not carried out properly, drain will not flow
out. Then, dirt and debris may be accumulated in the drain
piping and may cause water leakage. If it occurs, stop the
air conditioner and call your local dealer for assistance.
• Shut off power supply before work.
• Never open the control box lid for 10 minutes
after shutting off the power supply because
there is residual voltage.
• After opening the control box lid, measure residual voltage between the points shown Fig. 1 on
the Printed Circuit Board by the tester without
touching the live part and confirm that the residual voltage is DC50V or below.
Measuring points for
the residual voltage
0
-
+
+
C
C
–
A1P
A1P
Printed
Circuit
X2M
X1M
Control
box
Board
Fig. 1
• After power failure, operation will restart automatically.
2. WHAT TO DO BEFORE OPERATION
This operation manual is for the following systems
with standard control.
Before initiating operation, contact your local dealer
for the operation that corresponds to your system.
• NOTE TO SERVICE PERSONNEL
• When checking the electric components (such
as the inside of the control box, fan motor, drain
pump, etc.), make sure to shut off all power supply for the air conditioner (including both indoor
and outdoor units).
• When cleaning the heat exchanger, make sure
to remove the electronic components above (If
they get cleaning agent, there is a risk that the
components will burn out because of insulation
degradation.)
A Pair system or simultaneous operation system
1 Unit with remote controller
Unit without remote controller (when used as simulta-
2
neous operation)
3 English
NOTE
NOTE
B
OUTDOOR INDOOR
1
1
Names and functions of parts
a
1
2
b
cd
e
g
f
a
B Multi system
1 Unit with remote controller
h
• Read the operation manual attached to the
remote controller you are using.
1 Indoor unit
2 Outdoor unit
When using a wireless remote controller, refer to the
operation manual attached to the wireless remote
controller kit.
If your installation has a customized control system,
ask your local dealer for the operation that corresponds to your system.
• Heat pump type
This system provides COOLING, HEATING,
AUTOMATIC, PROGRAM DRY, and FAN ONLY
OPERATION modes
• Cooling only type
This system provides COOLING, PROGRAM
DRY, and FAN OPERATION modes.
PRECAUTIONS FOR GROUP CONTROL
SYSTEM OR TWO REMOTE CONTROLLERS
CONTROL SYSTEM
This system provides two other control systems
beside individual control (one remote controller con-
a Air discharge
b Horizontal blade (at air discharge)
Suction grille
c
(Refer to “8. MAINTENANCE” on page 9.)
Air filter (inside suction grille)
d
(Refer to “8. MAINTENANCE” on page 9.)
Remote controller (optional part)
e
The remote controller may not be needed
depending on the system configuration.
f Drain piping
Refrigerant piping
Transmission wiring
(NOTE)
g
It is wiring to let electricity flow from the
indoor unit to the earth for prevention of
electric shocks / a fire in case of emergency.
h Earth wiring
trols one indoor unit) system. Confirm the following if
your unit is the following control system type.
• Group control system
One remote controller controls up to 16 indoor units.
All indoor units are equally set.
• Two remote controllers control system
Two remote controllers control one indoor unit (In
case of group control system, one group of indoor
units).
• Contact your local dealer in case of changing the
combination or setting of group control and two
remote controller control systems.
• Please do not change the combination and settings for the group operation and two remote controllers control systems by yourself, but be sure to
ask your local dealer.
English 4
3. OPERATION RANGE
If the temperature or the humidity is beyond the following conditions, safety devices may work and the
air conditioner may not operate, or sometimes,
water may drop from the indoor unit.
COOLING [°C]*
INDOOR
OUTDOOR UNIT
RN50
RN60
RKS35/50/60
RXS35/50/60
TEMPERA-
TURE
DB 18 to 32
DB 18 to 32
HUMID-
ITY
80%*or
below
80%*or
below
4MKS58/75
3MXS52/68
4MXS68/80
DB 18 to 32
80%*or
below
5MXS90
5MKS90
RZQ140/200/
250
RZQG
71/100/
125/140
RZQSG 71/100/
125 /140
OUTDOOR UNIT
RXM35/50/60
DB 18 to 32
DB 20 to 37
WB 14 to 28
DB 18 to 37
WB 12 to 28
DB 20 to 37
WB 14 to 28
INDOOR
TEMPERA-
TURE
DB 18 to 32
3MXM40/52/68
4MXM68/80
DB 18 to 32
5MXM90
RZAG71/100/
125/140
RZASG71/100/
125/140
* To avoid condensation and water dripping out the indoor unit.
DB: Dry bulb temperature
WB: Wet bulb temperature
The setting temperature range of the remote controller is 16°C
to 32°C depends on heating/cooling mode.
DB 18 to 37
WB 12 to 28
DB 20 to 37
WB 14 to 28
80%*or
below
80%*or
below
80%*or
below
80%*or
below
HUMID-
ITY
80%*or
below
80%*or
below
80%*or
below
80%*or
below
OUTDOOR
TEMPERA-
TURE
– 10 to
DB
DB
DB
DB 10 to 46
DB – 5 to 46
DB
DB
DB
DB
DB
DB
46
– 10 to
46
– 10 to
46
– 15 to
50
– 15 to
46
OUTDOOR
TEMPERA-
TURE
– 10 to
46
– 10 to
46
– 20 to
52
– 15 to
46
HEATING [°C]*
OUTDOOR UNIT
RXS35/50/60
INDOOR
TEMPERATURE
DB 10 to 30
3MXS52/68
4MXS68/80
DB 10 to 30
5MXS90
RZQG71/100/
125/140
RZQ200/250
RZQSG71
RZQSG100/125/
140
RZQ140
OUTDOOR UNIT
RXM35/50/60
DB 10 to 27
DB 10 to 27
DB 10 to 27
DB 10 to 27
DB 10 to 27
INDOOR
TEMPERATURE
DB 10 to 30
3MXM40/52/68
4MXM68/80
DB 10 to 30
5MXM90
RZAG71/100/125/
140
RZASG71/100/125/
140
* To avoid condensation and water dripping out the indoor unit.
DB: Dry bulb temperature
WB: Wet bulb temperature
The setting temperature range of the remote controller is 16°C
to 32°C depends on heating/cooling mode.
DB 10 to 27
DB 10 to 27
OUTDOOR
TEMPERATURE
DB – 15 to 24
WB – 16 to 18
DB
WB – 16 to 18
DB –19.5 to 21
WB –20 to 15.5
DB – 14 to 21
WB – 15 to 15
DB – 14 to 21
WB –15 to 15.5
DB – 14 to 21
WB –15 to 15.5
DB – 19.5 to 21
WB – 20 to 15.5
DB – 15 to 24
WB – 16 to 18
DB
WB – 16 to 18
DB – 19.5 to 21
WB – 20 to 15.5
DB – 14 to 21
WB – 15 to 15.5
– 15 to 24
OUTDOOR
TEMPERATURE
– 15 to 24
4. INSTALLATION SITE
Regarding places for installation
• Is the air conditioner installed at a well-ventilated
place where there are no obstacles around?
• Do not use the air conditioner in the following
places.
a. Filled with much mineral oil such as cutting oil
b. Where there is much salt such as a beach area
c. Where sulfured gas exists such as a hot-spring
resort
d. Where there are considerable voltage fluctua-
tions such as a factory or plant
e. Vehicles and vessels
f. Where there is much spray of oil and vapor
such as a cookery, etc.
g. Where there are machines generating electro-
magnetic waves
h. Filled with acid and/or alkaline steam or vapor
5 English
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