Panasonic S-22KA1E5 / S-28KA1E5 / S-36KA1E5 / S-45KA1E5 / S-56KA1E5 / S-63KA1E5 / S-71KA1E5 / S-22YA1E5 / S-28YA1E5 / S-36YA1E5 / S-45YA1E5 / S-56YA1E5 / S-22NA1E5 / S-28NA1E5 / S-32NA1E5 / S-36NA1E5 / S-45NA1E5 / S-56NA1E5 / S-45MA1E5 / S-56MA1E5 / S-63MA1E5 / S-7 Service Manual ▷ View online
89
CONNECTING THE WIRES TO THE CONTROL BOX
You can see the power supply box on the right side after removing the front grille.
HOW TO TAKE OUT FRONT GRILLE
Please follow the steps below to take out front grille if necessary such as
You can see the power supply box on the right side after removing the front grille.
HOW TO TAKE OUT FRONT GRILLE
Please follow the steps below to take out front grille if necessary such as
when servicing.
1. Set the vertical airflow direction louvers to the horizontal position.
2. Slide down the 2 caps (3/4 ~ 1.75HP) or 3 caps (2.0 ~ 3.0HP) on the
1. Set the vertical airflow direction louvers to the horizontal position.
2. Slide down the 2 caps (3/4 ~ 1.75HP) or 3 caps (2.0 ~ 3.0HP) on the
front grille as shown in the illustration at right, and then remove the 2
(3/4~ 1.75HP) or 4 (2.0 ~ 3.0HP) mounting screws.
(3/4~ 1.75HP) or 4 (2.0 ~ 3.0HP) mounting screws.
3. Pull the lower section of the front grille towards you to remove the
front grille.
Cap
Vane
Front grille
Cap
Screw
(Move the vane
to upward)
to upward)
Vane
When reinstalling the front grille, first set the
vertical airflow direction louver to the
horizontal position and then carry out above
steps 2 - 3 in the reverse order.
vertical airflow direction louver to the
horizontal position and then carry out above
steps 2 - 3 in the reverse order.
L N A B U1 U2
L
N
A
B
U1 U2
Earth lead wire shall be longer than other lead wires as shown in
the figure for the electrical safety in case of the slipping out of the
cord from anchorage.
the figure for the electrical safety in case of the slipping out of the
cord from anchorage.
Terminal board
Screw to connect the
Earth wire
Earth wire
Power supply cable
Remote control wire
Control cable
11.4.6 SETTINGS
Manual address setting cannot be done on wall type indoor units.
The automatic system settings can take up to 1 minute once power is supplied; do not operate the remote
controller during this time.
Once the wires are connected to 1 remote controller group control and power is supplied to the indoor unit, the
A/C No. is automatically set. To stop group control use, follow the directions below and clear the A/C No. that was
automatically set after disconnecting the wires for group control. If it is not cleared then the wired controller will not
show any display.
automatically set after disconnecting the wires for group control. If it is not cleared then the wired controller will not
show any display.
x Instructions on clearing the A/C No. after automatic setup
Turn OFF the indoor unit power supply
ĺ Set the SW2 (P.C.B) to ON ĺ Turn ON the power supply of the
indoor unit
ĺ After approximately 1 minute, turn OFF the power supply to the indoor unit ĺ Set the SW2
(P.C.B) to OFF.
(The next time the power supply is turned ON, the A/C No. will be cleared.)
(The next time the power supply is turned ON, the A/C No. will be cleared.)
x Do not set the SW2 to ON except when clearing the A/C No. as mentioned above. If the SW2 is set to ON,
the wired remote controller will no display.
Setting for 1 remote controller group control
x A maximum of 16 indoor units can be connected at the time of group control. (Do not connect the heat pump unit
x A maximum of 16 indoor units can be connected at the time of group control. (Do not connect the heat pump unit
with the cooling only unit.)
x Only automatic setting is possible when setting the group control address (A/C No.). (Manual setting cannot be
performed.)
x The A/C No. setting cannot be confirmed when using the automatic method.
Ŷ Automatic setting
Refer to the remote controller’s installation instruction manual for the remote controller settings.
90
AUTO SWITCH OPERATION
The below operations will be performed by pressing the “AUTO” switch.
1. AUTO OPERATION MODE
The below operations will be performed by pressing the “AUTO” switch.
1. AUTO OPERATION MODE
The Auto operation will be activated immediately once the Auto Switch is pressed
and release before 5 sec..
and release before 5 sec..
2. COOLING TRIAL OPERATION
The Test Run operation will be activated if the Auto Switch is pressed continuously
for more than 5 sec. to below 8 sec..
A “pep” sound will occur at the fifth sec., in order to identify the starting of Test Run
operation.
for more than 5 sec. to below 8 sec..
A “pep” sound will occur at the fifth sec., in order to identify the starting of Test Run
operation.
3. HEATING TRIAL OPERATION
Press the “AUTO” switch continously for more than 8 sec. to below 11 sec. and release when a “pep pep” sound
is occured at eight sec. (However, a “pep” sound is occured at fifth sec..) then press Remote controller “A/C
Reset” button once. Remote controller signal will activate operation to force heating mode.
is occured at eight sec. (However, a “pep” sound is occured at fifth sec..) then press Remote controller “A/C
Reset” button once. Remote controller signal will activate operation to force heating mode.
4. REMOTE CONTROLLER RECEIVING SOUND ON/OFF
The ON/OFF of Remote controller receiving sound can be change over by the following steps:
a. Press AUTO switch continuously for more than 26 sec. to below 31 sec..
A “pep” “pep” “pep” “pep” “pep” “pep” sound will occur at the twenty-sixth sec..
b. Press the “AC RESET” button once. Remote controller signal will activate the Remote controller sound
setting mode.
c. Press the “AUTO” switch once to select Remote controller receiving sound ON/OFF. A “pep” sound
indicates receiving sound ON, and a “peep” sound indicates receiving sound OFF.
11.4.7
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.
91
11.4.8
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, AUTO switch or by using the outdoor units. For the wired controller
test run see the instructions below.
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 switch, refer to the “AUTO operation”
section in the installation instruction manual for the infrared receiver.
controller test run. For the test run method using the AUTO switch, refer to the “AUTO operation”
section in the installation instruction manual for the infrared receiver.
11.4.9
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}
11.4.10 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.
92
11.5 INSTALLATION INSTRUCTIONS FS MULTI FOUR-WAY MINI CASSETTE
HP
Cooling
capacity
Model name HP
Cooling
capacity
Model name
0.8 2.2kW S-22YA1E5 1.75 4.5kW S-45YA1E5
1.0 2.8kW S-28YA1E5
2.0 5.6kW S-56YA1E5
REFRIGERANT
R 410A
1.5 3.6kW S-36YA1E5
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.
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