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101
11.5.10 AS FOR TIMER OUTPUT
x Connect the timer cord to connector (CN-TIMER) on print circuit board.
Printed
circuit
board
circuit
board
Timer
Contact
Close: RUN
Open: STOP
Open: STOP
d.c. 5V
CN-TIMER
2
1
Relay contact
Connector
Timer setting
x The connector must use XH-2 (housing) manufactured by J.S.T. Mfg. Co., Ltd.
x Wiring must use vinyl code with the sheath or cable line diameter 0.3mm
2
.
x The length of wiring should be within 150m and separated from power line in order to prevent malfunction.
x The input current is DC5V, and 1mA. The relay contact must use the contact for the minute electric current
suitable for this.
11.5.11 PRECAUTION IN TEST RUN
For test run, refer to the “Precautions in test run” in the outdoor unit installation instructions manual.
Test run is conducted using the wired controller, emergency switch on the infrared receiver or by using the outdoor
units. For the wired controller test run see the instructions below.
units. For the wired controller test run see the instructions below.
TEST RUN
x Switch the power supply to ON for at least 12 hours in advance before the test run.
x First, press the ON/OFF ( ) button.
x Next, select the operational modes.
x Then press the TEST RUN button within 1 minute of pressing the ON/OFF ( ) button.
x Be sure to run the cooling operation test run for at least 20 minutes before starting the heating
operation test run.
x Press TEST RUN or ON/OFF ( ) button again to cancel the test run mode.
NOTE 1
Detaching a connector with electrical current may cause damage to the control board. Ensure to
turn OFF the power supply and wait for at least 5 minutes before performing this operation.
turn OFF the power supply and wait for at least 5 minutes before performing this operation.
NOTE 2
Do not short the remote control wires. (There is no protective circuit operation.) Normal operation
will commence once the short is solved.
will commence once the short is solved.
NOTE 3
During the test run; ensure to operate the units in cooling mode prior to operating the units in
heating mode. Caution: Operating the units in heating mode first may cause compressor failure.
heating mode. Caution: Operating the units in heating mode first may cause compressor failure.
NOTE 4
Test run should be performed for a minimum of 20 minutes. (Test run using the remote controller
will change to normal operation after 30 minutes.)
will change to normal operation after 30 minutes.)
NOTE 5
Use the outdoor unit to cancel the outdoor unit test run and the wired controller to cancel the wired
controller test run. For the test run method using the AUTO button on the infrared receiver, refer to
the “Emergency operation” section in the installation instruction manual for the infrared receiver.
controller test run. For the test run method using the AUTO button on the infrared receiver, refer to
the “Emergency operation” section in the installation instruction manual for the infrared receiver.
11.5.12 CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE
x After completing work, be sure to measure and record trial run properties, and store measuring data, etc.
x Measuring items are room temperature, outside temperature, suction temperature, blow out temperature, wind
velocity, wind volume, voltage, current, presence of abnormal vibration and noise, operating pressure, piping
temperature.
temperature.
x As to the structure and appearance, check the following items.
Is circulation of air adequate?
Is draining smooth?
Is heat insulation complete
(refrigerant and drain piping)?
Is there any leakage of refrigerant?
Is draining smooth?
Is heat insulation complete
(refrigerant and drain piping)?
Is there any leakage of refrigerant?
Is remote controller switch operated?
Is there any faulty wiring?
Are the terminal screws loosened?
Is there any faulty wiring?
Are the terminal screws loosened?
M3…69-98N•cm {7-10kgf•cm}
M4…157-196N•cm {16-20kgf•cm}
M5…196-245N•cm {20-25kgf•cm}
M4…157-196N•cm {16-20kgf•cm}
M5…196-245N•cm {20-25kgf•cm}
102
11.5.13 HAND
OVER
x Teach the customer the operation and maintenance procedures, using the operation manual (air filter cleaning,
temperature control, etc.)
As to parts to be sold separately
x With regards to installation of the parts sold separately, follow the installation manual which is provided with the
parts sold separately.
As for work specifications of the outdoor unit, read the OUTDOOR UNIT INSTALLATION MANUAL attached to
the outdoor unit.
the outdoor unit.
103
11.6 INSTALLATION INSTRUCTIONS FS MULTI FOUR-WAY CASSETTE
HP
Cooling capacity
Model name
2.5 6.3kW
S-63UA1E5
3.0 7.1kW
S-71UA1E5
REFRIGERANT
R 410A
3.5 9.0kW
S-90UA1E5
Precautions in terms of safety
Carry out installation work with reliability after thorough reading of this “Precaution in terms of safety”.
x Precautions shown here are differentiated between
Warnings
and
Cautions
. Those that have much chances
for leading to significant result such as fatality or serious injury if wrong installation would have been carried out
are listed compiling them especially into the column of
are listed compiling them especially into the column of
Warnings
.
However, even in the case of items which are listed in the column of
Cautions
, such items also have a chance
for leading to significant result depending on the situations.
In either case, important descriptions regarding the safety are listed, then observe them without fail.
In either case, important descriptions regarding the safety are listed, then observe them without fail.
x As to indications with illustration
This mark means “Caution” or “Warning”.
This mark means “Earth”.
x After installation work has been completed, do not only make sure that the unit is free from any abnormal
condition through the execution of trial run but also explain how to use and how to perform maintenance of this
unit to the customer according to the instruction manual.
In addition, request the customer to keep this manual for installation work together with instruction manual.
unit to the customer according to the instruction manual.
In addition, request the customer to keep this manual for installation work together with instruction manual.
Warnings
The appliance must be installed by technician, who takes into account the requirements given by ISO5149 or eventual equivalent
requirements.
requirements.
As to installation, request the distributor or vendor to perform it. Imperfection in installation caused by that having been carried out by the
customer himself may leads to water leakage, electric shock, fire, etc.
customer himself may leads to water leakage, electric shock, fire, etc.
Carry out the installation work with reliability according to this manual for installation work. Imperfection in installation leads to water
leakage, electric shock, fire, etc.
leakage, electric shock, fire, etc.
Carry out the installation work with reliability on the place that can bears the weight of this unit sufficiently. Insufficient strength leads to
injury due to falling of the unit.
injury due to falling of the unit.
Carry out predetermined installation work in preparation for strong wind such as typhoon, earthquake. Imperfection in installation work
may lead to accidents arisen from overturn, etc.
may lead to accidents arisen from overturn, etc.
The unit must be installed in accordance with applicable national and local regulations.
Any electrical work should only be carried out by qualified technician and use exclusive circuits without fail.
Presence of insufficient capacity in power circuit or imperfection in execution leads to electric shock, fire, etc.
Any electrical work should only be carried out by qualified technician and use exclusive circuits without fail.
Presence of insufficient capacity in power circuit or imperfection in execution leads to electric shock, fire, etc.
Wiring shall be connected using specified cables and fix them securely so that external force of the cables may not transfer to the
terminal connection section.
Imperfect connection and fixing leads to fire, etc.
terminal connection section.
Imperfect connection and fixing leads to fire, etc.
If installing inside a small room, measures should be taken to prevent refrigerant levels from building up to critical concentrations in the
event of a refrigerant leak occurring. Please discuss with the place of purchase for advice on what measures may be necessary to
prevent critical concentrations being exceeded. If the refrigerant leaks and reaches critical concentration levels, there is the danger that
death from suffocation may result.
event of a refrigerant leak occurring. Please discuss with the place of purchase for advice on what measures may be necessary to
prevent critical concentrations being exceeded. If the refrigerant leaks and reaches critical concentration levels, there is the danger that
death from suffocation may result.
Securely attach the protective covers for the outdoor unit connection cables and power cord so that they do not lift up after installation. If
the covers are not properly attached and installed, the terminal connections may overheat, and fire or electric shock may result.
the covers are not properly attached and installed, the terminal connections may overheat, and fire or electric shock may result.
Switch off all supplies before accessing any electrical part.
If refrigerant gas escapes during installation, ventilate the affected area. If the refrigerant gas comes into contact with sparks or naked
flames, it will cause toxic gases to be generated.
flames, it will cause toxic gases to be generated.
Once installation work is completed, check that there are no refrigerant gas in the room that can come into contact with sparks or flames
from a fan heater, stove or kitchen range, which will cause toxic gases to be generated.
from a fan heater, stove or kitchen range, which will cause toxic gases to be generated.
When performing piping work do not mix air except for specified refrigerant (R410A) in refrigeration cycle. It causes capacity down, and
risk of explosion and injury due to high tension inside the refrigerant cycle.
risk of explosion and injury due to high tension inside the refrigerant cycle.
104
Cautions
Carry out Earthing work.
Do not connect the Earth return to the gas pipe, water line pipe, lightning rod and telephone lines.
Imperfection in Earth return may lead to electric shock.
Do not connect the Earth return to the gas pipe, water line pipe, lightning rod and telephone lines.
Imperfection in Earth return may lead to electric shock.
Do not install the unit at the place where the possibility of inflammable gas leakage exists. If gas leakage should arise and the gas builds
up around the unit, such situation may lead to ignition.
up around the unit, such situation may lead to ignition.
Mounting of the earth leakage circuit breaker is required. Omission in mounting of the earth leakage circuit breaker may lead to electric
shock.
shock.
Drain piping should be made to ensure secure drainage according to the manual for installation work and carry out the thermal insulation
to prevent the occurrence of condensation.
Imperfection in piping work leads to water leakage and may cause the house and property, etc. to become wet.
to prevent the occurrence of condensation.
Imperfection in piping work leads to water leakage and may cause the house and property, etc. to become wet.
Position the indoor unit, outdoor unit, power cords and indoor/outdoor unit connection cables in a way so that they are at least 1 meter
away from televisions and radios. This is to avoid problems such as interference with picture and/or sound. (However, note that
depending on the electromagnetic wave conditions, interference may still occur even if the separation distance is more than 1 meter.)
away from televisions and radios. This is to avoid problems such as interference with picture and/or sound. (However, note that
depending on the electromagnetic wave conditions, interference may still occur even if the separation distance is more than 1 meter.)
11.6.1
ACCESSORIES PACKED IN THE INDOOR UNIT CONTAINER
Name Q’ty Appearance
Purpose
Drain hose with a clip
1
For drain piping
Heat insulator
2
For insulating refrigerant pipe joint
Band 4
For fastening the heat insulator
Flat washer for M10
8
For fixing the hanging bolts
Screw M5
4
Set screw for paper model and panel fixing
Installation Instruction
1
This manual
11.6.2
SELECTING THE LOCATION FOR THE INDOOR UNIT
Provide a check port on the piping side ceiling for repair and maintenance.
x Install the indoor unit once the following conditions are satisfied and after receiving the customer approval.
x Install the indoor unit once the following conditions are satisfied and after receiving the customer approval.
1. The indoor unit must be within a maintenance space.
2. The indoor unit must be free from any obstacles in path of the air inlet and outlet, and must allow spreading
2. The indoor unit must be free from any obstacles in path of the air inlet and outlet, and must allow spreading
of air throughout the room.
(Unit: mm)
Obstacles
Floor
(Unit: mm)
1000 or
more
more
500 or
more
more
500 or
more
more
500 or
more
more
2500 –
3000
300 or
les
s
Beam
ސ If the height from the floor to ceiling exceeds three meters, air flow distribution deteriorates and the effect is
decreased.
Warnings
3. The installation position must be able to support a load four times the indoor unit weight.
4. The indoor unit must be away from heat and steam sources, but avoid installing it near an entrance.
5. The indoor unit must allow easy draining.
6. The indoor unit must allow easy connection to the outdoor unit.
7. Place the indoor unit according to the height from the ceiling shown in the table below.
8. The indoor unit must be from at least 3m away from any noise-generating equipment. The electrical wiring
4. The indoor unit must be away from heat and steam sources, but avoid installing it near an entrance.
5. The indoor unit must allow easy draining.
6. The indoor unit must allow easy connection to the outdoor unit.
7. Place the indoor unit according to the height from the ceiling shown in the table below.
8. The indoor unit must be from at least 3m away from any noise-generating equipment. The electrical wiring
should be locally decided.
9. If the power supply is subject to noise generation, add a suppressor.
10. Do not install the indoor unit in a laundry. Electric shocks may result.
10. Do not install the indoor unit in a laundry. Electric shocks may result.
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