Johnson Controls CIFE006B21S, YIFE006B21S, CIFE008B21S, YIFE012B21S, HIFE012B21S Operation Manual
...
Operation
Manual
INVERTER-DRIVEN
MULTI-SPLIT SYSTEM
HEAT PUMP
AIR CONDITIONERS
Type Model
(H,Y,C)IFE006B21S
Floor Exposed
Floor Concealed
(H,Y,C)IFE008B21S
(H,Y,C)IFE012B21S
(H,Y,C)IFE015B21S
(H,Y,C)IFC006B21S
(H,Y,C)IFC008B21S
(H,Y,C)IFC012B21S
(H,Y,C)IFC015B21S
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS HEAT PUMP
AIR CONDITIONER.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
PMGB0375
Important Notice
● Johnson Controls, Inc. pursues a policy of continual improvement in design and performance in its
products. As such, Johnson Controls reserves the right to make changes at any time without prior
notice.
● Johnson Controls cannot anticipate every possible circumstance that might involve a potential hazard.
● This heat pump air conditioning unit is designed for standard air conditioning applications only. Do
not use this unit for anything other than the purposes for which it is intended.
● The installer and system specialist shall safeguard against leakage in accordance with local codes.
The following standards may be applicable, if local regulations are not available. International
Organization for Standardization: (ISO 5149 or European Standard, EN 378). No part of this manual
may be reproduced in any way without the expressed written consent of Johnson Controls.
● This heat pump air conditioning unit is operated and serviced in the United States of America and
comes with a full complement of the appropriate Safety, Dangers, Cautions, and Warnings.
● If you have questions, please contact your distributor or contractor.
● This manual provides common descriptions, basic and advanced information to maintain and service
this heat pump air conditioning unit which you operate, as well for other models.
● This heat pump air conditioning unit is designed for a specic temperature range. For optimum
performance and long life, operate this unit within the range limits according to the table below.
Temperature
Maximum Minimum
Cooling
Operation
Heating
Operation
Indoor 89
Outdoor 118
Indoor 80
Outdoor 59
DB: Dry Bulb, WB: Wet Bulb
* The temperature may change depending on the outdoor unit.
o
F DB/73oF WB (32oC DB/23oC WB) 69oF DB/59oF WB (21oC DB/15oC WB)
o
F DB (48oC DB) * 14oF DB (-10oC DB) *
o
F DB (27oC DB) 59oF DB ( 15oC DB)
o
F WB (15oC WB) * -4oF WB (-20oC WB) *
● This manual should be considered as a permanent part of the air conditioning equipment and should
remain with the air conditioning equipment.
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i
TABLE OF CONTENTS
1. Introduction .....................................................................................................................................................1
2. Safety Instructions ..........................................................................................................................................1
3. Before Operation .............................................................................................................................................6
3.1 Working Range .......................................................................................................................................6
3.2 Efcient Use of Indoor Unit .....................................................................................................................6
4. Names of Parts ...............................................................................................................................................7
4.1 Floor Exposed Type ...............................................................................................................................7
4.2 Floor Concealed Type ............................................................................................................................8
4.3 Wired Controller (CIW01) .......................................................................................................................9
5. Operation Method .........................................................................................................................................10
5.1 Basic Operation ....................................................................................................................................10
5.2 Cooling / Heating / Fan Mode ............................................................................................................... 11
5.3 Temperature Setpoint ...........................................................................................................................12
5.4 Fan Speed ............................................................................................................................................13
5.5 Operation ..............................................................................................................................................13
5.6 Automatic Heating/Cooling Operation ..................................................................................................14
5.7 Setback Operation ................................................................................................................................14
6. Automatic Control .........................................................................................................................................15
7. Maintenance .................................................................................................................................................16
7.1 Cleaning Air Inlet Grille and Air Filter ....................................................................................................16
7.2 Maintenance .........................................................................................................................................18
8. Troubleshooting ............................................................................................................................................19
8.1 This is Normal ......................................................................................................................................19
8.2 Before Contact .....................................................................................................................................20
8.3 Contact Distributor ................................................................................................................................21
8.4 Alarm Codes .........................................................................................................................................22
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PMGB0375
1. Introduction
Read this manual carefully before working with this product.
Keep this information with the product.
2. Safety Instructions
Signal Words
Indicates a hazardous situation that, if not avoided, could result in death or serious
injury.
Indicates a hazardous situation that, if not avoided, could result in minor or moderate
injury.
Indicates information considered important, but not hazard-related (for example,
messages relating to property damage).
General Precautions
To reduce the risk of serious injury or death, read these instructions thoroughly
and follow all warnings or cautions included in all manuals that accompanied the
● This system, including the controller, should be installed by personnel certied by Johnson Controls,
Inc. Personnel must be qualied according to local, state and national building and safety codes and
regulations. Incorrect installation could cause leaks, electric shock, re or an explosion. In areas where
Seismic Performance requirements are specied, the appropriate measures should be taken during
installation to guard against possible damage or injury that might occur in an earthquake. If the unit is not
installed correctly, injuries may occur because of a falling unit.
● Use appropriate personal protective equipment (PPE), such as gloves, protective goggles and electrical
protection equipment and tools suited for electrical operation purposes.
● When transporting, be careful when picking up, moving and mounting these units. Although the controller
may be packed using plastic straps, do not use them for transporting from one location to another. Do
not stand on or put any material on the controller.
● When installing the controller cabling to the units, do not touch or adjust any safety devices inside
the indoor or outdoor units. All safety features, disengagement, and interlocks must be in place and
functioning correctly before the equipment is put into operation. If these devices are improperly adjusted
or tampered with in any way, a serious accident can occur. Never bypass or jump-out any safety device
or switch.
● Use only Johnson Controls recommended, provided as standardized, or replacement parts.
● Johnson Controls will not assume any liability for injuries or damage caused by not following steps
outlined or described in this manual. Unauthorized modications to Johnson Controls products are
prohibited as they…
◦ May create hazards which could result in death, serious injury or equipment damage.
◦ Will void product warranties.
◦ May invalidate product regulatory certications.
◦ May violate OSHA standards.
product and are attached to the unit. Refer back to these safety instructions as
needed.
PMGB0375
1
Take the following precautions to reduce the risk of property damage.
● Do not touch the main circuit board or electronic components in the controller or remote devices. Make
sure that dust and/or steam does not accumulate on the circuit board.
● When installing the unit in a hospital or other facility where electromagnetic waves are generated from
nearby medical and/or electronic devices, be prepared for Electromagnetic Interference (EMI). Do not
install where the waves can directly radiate into the electrical box, controller cable, or controller. Inverters,
appliances, high-frequency medical equipment, and radio communications equipment may cause the
unit to malfunction. The operation of the unit may also adversely affect these same devices. Install the
unit at least 10 ft. (approximately 3m) away from such devices.
● Locate the wireless controller at a distance of at least 3 ft. (approximately 1m) between the indoor
unit and electric lighting. Otherwise, the receiver part of the unit may have difculty receiving operation
commands.
● If the wired controller is installed in a location where electromagnetic radiation is generated, make sure
that the wired controller is shielded and cables are sleeved inside conduit tubing.
● If there is a source of electrical interference near the power source, install noise suppression equipment
(lter).
● During the test run, check the unit’s operation temperature. If the unit is used in an environment where
the temperature exceeds the operation boundary, it may cause severe damage. Check the operational
temperature boundary in the manual. If there is no specied temperature, use the unit within the
operational temperature boundary of 32 to 104°F (0 to 40°C).
● Read installation and appropriate user manuals for connection with PC or peripheral devices. If a warning
window appears on the PC, the product stops, does not work properly or works intermittently, immediately
stop using the equipment.
Installation Precautions
To reduce the risk of serious injury or death, the following installation precautions
must be followed.
● If the remote sensors are not used with this controller, then do not install this controller
- in a room where there is no thermostat.
- where the unit is exposed to direct sunshine or direct light.
- where the unit will be in close proximity to a heat source.
- where hot/cold air from the outdoors, or a draft from elsewhere (such as air vents, diffusers or
grilles) can affect air circulation.
- in areas with poor air circulation and ventilation.
● Perform a test run using the controller to ensure normal operation. Safety guards, shields, barriers,
covers, and protective devices must be in place while the compressor/unit is operating. During the test
run, keep ngers and clothing away from any moving parts.
After installation work for the system has been completed, explain the “Safety Precautions,” use, and
maintenance of the unit to the customer according to the information in all manuals that accompanied the
system. All manuals and warranty information must be given to the user or left near the Indoor Unit.
Electrical Precautions
Take the following precautions to reduce the risk of electric shock, re or
explosion resulting in serious injury or death:.
● Only use electrical protection equipment and tools suited for this installation.
● Insulate the wired controller against moisture and temperature extremes.
● Use specied cables between units and the controller.
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PMGB0375
● Communication cabling should be a minimum of AWG18 (0.82mm2), 2-Conductor, Stranded Copper.
Shielded cable must be considered for applications and routing in areas of high EMI and other sources
of potentially excessive electrical noise to reduce the potential for communication errors. When shielded
cabling is applied, proper bonding and termination of the cable shield is required as per Johnson Controls
guidelines. Plenum and riser ratings for communication cables must be considered per application and
local code requirements.
● This equipment can be installed with a Ground Fault Circuit Breaker (GFCI), which is a recognized measure
for added protection to a properly grounded unit. Install appropriate sized breakers/fuses/overcurrent
protection switches, and wiring in accordance with local, state and NEC codes and requirements. The
equipment installer is responsible for understanding and abiding by applicable codes and requirements.
● The polarity of the input terminals is important, so be sure to match the polarity when using contacts that
have polarity.
● Highly dangerous electrical voltages may be used in this system. Carefully refer to the wiring diagram
and these instructions when wiring. Improper connections and inadequate grounding can cause serious
injury or death.
● Before installing the controller or remote devices, ensure that the indoor and outdoor unit operation has
been stopped. Further, be sure to wait at least ve minutes before turning off the main power switch to the
indoor or outdoor units. Otherwise, water leakage or electrical breakdown may result.
● Do not open the service cover or access panel to the indoor or outdoor units without turning OFF the
main power supply. Before connecting or servicing the controller or cables to indoor or outdoor units, open
and tag all disconnect switches. Never assume electrical power is disconnected. Check with a meter and
equipment.
● Use an exclusive power supply at the controller’s rated voltage.
● Be sure to install circuit breakers (ground fault circuit interrupter, isolating switch, molded case circuit
breaker, and so forth) with the specied capacity. Ensure that the wiring terminals are tightened securely
to recommended torque specications.
● Clamp electrical wires securely with a cord clamp after all wiring is connected to the terminal block. In
addition, run wires securely through the wiring access channel.
● When installing the power lines, do not apply tension to the cables. Secure the suspended cables at
regular intervals, but not too tightly.
● Make sure that the terminals do not come into contact with the surface of the electrical box. If the terminals
are too close to the surface, it may lead to failures at the terminal connection.
● Do not clean with, or pour water into, the controller as it could cause electric shock and/or damage the
unit. Do not use strong detergent such as a solvent. Clean with a soft cloth.
● Check that the ground wire is securely connected. Do not connect ground wiring to gas piping, water
piping, lighting conductor, or telephone ground wiring.
PMGB0375
3
Operation
NOTICE
● Do not insert ngers or objects into an air inlet/outlet. Injury can result from rotating fan blades or
energized electrical components.
● Do not touch the wired controller with wet hands. Failure of the wired controller or an electrical shock can
result.
● Hair spray, insecticides, lacquers, and other pressurized substances should not be used within 3.3ft (1m)
of any air conditioning unit. They can react with energized electrical components and cause re.
● Do not install the indoor unit anywhere discharge airow can pass directly toward nearby heating
equipment (space heaters). It may interfere with the combustion process in these units.
● When the indoor unit is operating with heating equipment, ventilate a room sufciently. Any leaked
refrigerant gas that happens to come into contact with any heat source can become toxic on contact and
can cause asphyxiation in the immediate area.
● Shut down at the main power source if the GFCI (Ground Fault Circuit Interrupter) activates frequently.
Contact your distributor or contractor immediately. Failure to act accordingly can result in serious injury
and damage to the unit.
● CAUTION! If you smell anything burning, shut down the unit and turn OFF the power at the main power
source. Contact the re department and your installer or electrical contractor.
● Make sure that a test for leakage of refrigerant gases has been performed. The refrigerant used for this
unit (HFC R410A) is a non-ammable, non-toxic, and odorless gas. However if refrigerant should leak
and make contact with sparks, re will erupt and generate toxic gas. Also, uorocarbon, which is heavier
than air will cover the oor surface and can cause suffocation.
● If uorocarbon gas should leak, turn OFF all heating equipment and ventilate the room immediately. Mop
or vacuum oor areas to remove residual toxic particulate.
● Do not operate indoor units with the electrical box and switch panel open and exposed. Accidental contact
with energized components can be fatal.
● CAUTION! Do not operate indoor units with the electrical box and switch panel open and exposed.
Incidental contact with energized electrical components can prove fatal.
● Air circulation should be optimized so as to achieve the best distribution pattern and not settle into
isolated pockets creating an uncomfortable environment.
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PMGB0375
Repair / Relocation
● When the air conditioner is to be repaired or transported to a new location, contact your distributor or
contractor. If the repair and the installation are not completed correctly, electric shock or re can result.
Other
● Turn OFF all power at the main power source before performing maintenance work. Failure to do so can
result in damage to internal components with severe or fatal electrical shock.
● Insulate all electrical components and connections from exposure to moisture. Failure to do so can result
in an electrical short or re.
● Do not tamper with or attempt to "repair" electrical wiring or connections. Call your installer or electrical
contractor. Serious or fatal injury can occur.
● Perform all maintenance work on a rm and stable foundation to minimize the risk of injury.
● Do not attempt to "clean" indoor unit components with liquid or powdered cleaning agents during
maintenance. Electric shock, sparks, ame, and serious or fatal injury can occur.
● System piping is charged with refrigerant and highly pressurized.
● Hold the air lter and the air inlet grille securely when attaching or removing it. Carelessness can result in
accident or injury.
PMGB0375
5
3. Before Operation
NOTICE
Power is turned on. Apply power to the outdoor unit(s) at least 12 hours prior to operation of the
system for preheating of the compressor oil. Make sure that the outdoor unit is not covered with
snow or ice. If it is, remove it by using hot water that is approximately 122oF (50oC).
Water temperature higher than 122oF (50oC) will cause damage to plastic parts.
● When the system is restarted after a shutdown longer than approximately three months, it is recommended
that the system be checked over by your service contractor.
● Turn OFF at the main switch when the system has been off for a long period of time.
If the main switch is not turned OFF, electricity is consumed because the oil heater is always energized
during periods of compressor stoppage.
3.1 Working Range
This heat pump air conditioner has been designed for the following temperatures. Operate the heat pump air
conditioner within this range.
Temperature
Maximum Minimum
Cooling
Operation
Heating
Operation
DB: Dry Bulb, WB: Wet Bulb
* The temperature may change depending on the outdoor unit.
Indoor 89
Outdoor 118
Indoor 80
Outdoor 59
o
F DB/73oF WB (32oC DB/23oC WB) 69oF DB/59oF WB (21oC DB/15oC WB)
o
F DB (48oC DB) * 14oF DB (-10oC DB) *
o
F DB (27oC DB) 59oF DB ( 15oC DB)
o
F WB (15oC WB) * -4oF WB (-20oC WB) *
3.2 Efcient Use of Indoor Unit
● Do not leave windows or doors open.
Operating efciency is decreased.
Condensation and problems relating to it can result. (Also ventilate a room sufciently.)
● Attach a curtain or a blind to a window.
Direct sunlight is blocked so the cooling efciency is enhanced.
● Avoid using heating appliances during the cooling operation as much as possible.
Cooling efciency is decreased. It may cause condensation and dripping.
● Use the built-in circulating fan if warm air tends to remain around the ceiling.
Comfort increases. Contact your distributor for details.
● Redirect airow downward if ceiling surface areas become discolored due to airborne particulate.
It is recommended that airow be redirected 30° downward.
● Turn OFF power at the main power source if the indoor unit is not being used over a prolonged
period of time.
This results in excess electrical consumption while the unit rests in standby mode.
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PMGB0375
4. Names of Parts
4.1 Floor Exposed Type
● (H,Y,C)IFE 006B21S, 008B21S, 012B21S and 015B21S
12
10
Wired Controller (Optional)
The operating condition
is displayed on the LCD
4
7
1
3
6
5
Name
Remarks
AC
φ3/4 inch (18.5mm)
13
No.
1
Fan Casing
2
Fan
9
3
Fan Motor
4
Heat Exchanger
5
Electronic Expansion Valve
8
6
Distributor
7
Air Filter
8
Refrigerant Gas Pipe Connection
9
Refrigerant Liquid Pipe Connection
10
Electrical Control Box
11
Air Inlet
12
Air Outlet
13
Drain Pipe Connection
2
11
PMGB0375
7
4.2 Floor Concealed Type
● (H,Y,C)IFC 006B21S, 008B21S, 012B21S and 015B21S
10 4
56
13
12
11
No.
1
Fan Casing
2
9
8
Fan
3
Fan Motor
4
Heat Exchanger
5
Electronic Expansion Valve
6
Distributor
7
Air Filter
8
Refrigerant Gas Pipe Connection
9
Refrigerant Liquid Pipe Connection
10
Electrical Control Box
11
Air Inlet
12
Air Outlet
13
Drain Pipe Connection
Name
Remarks
AC
φ3/4 inch (18.5mm)
7213
Wired Controller (Optional)
The operating condition
is displayed on the LCD
8
PMGB0375
FLTR
4.3 Wired Controller (CIW01)
Following is an example of how the CIW01 is utilized. If other models of the controller are utilized, operate
the unit according to the manual for that controller.
The example below references the control panel and all
adjustable settings. The wired controller display may be
Display Part
different during actual operation.
Fan Speed Indicator
Operation Mode
Indicator
“HEAT” and “AUTO” are
indicated only for the
heat pump type models.
Operation Guide
Indicator
“Central Control” is
indicated while the
controller operation is
prohibited.
Run Indicator
Illuminates while the
unit is operating. It
ashes during abnormal
conditions.
Room Name
Indicator *
A/C
MODE
COOL
SPEED Adj.
On/Off
Meeting Room
SPEED
OK
TEMP
FLTR
Menu
Back/Help
Schedule Timer Indicator
is displayed when the schedule
timer function is set. *
Operation Lock Indicator
is displayed when the operation
lock function is set. *
Filter Sign Indicator
is displayed to the set period for
lter cleaning.
Setting Temperature
Indicator
Menu Button
To display Menu.
ECO
ECO Button
*
*
On/Off Button
Directional Button Enter Button
Operation Part
NOTE
* For detailed descriptions, refer to the "Operation Manual" for the wired controller.
PMGB0375
Back/Help Button
To return to the previous
screen.
9
Menu
p
Menu
p
5. Operation Method
5.1 Basic Operation
By pressing “ ”or “ ”, the icon “ ”
moves between “MODE”, “SPEED”,
“LOUV.” and “TEMP”.
Item
Selection
With (“MODE”, “SPEED”, “LOUV.” or
“TEMP”) selected, press “ ” or “ ”.
The setting is changed.
Change of
Settings
OK
OK
Back/Hel
Back/Hel
10
PMGB0375
Menu
p
Menu
p
5.2 Cooling / Heating / Fan Mode
Heating Mode is for VRF systems only and is not available for typical systems.
Function
* Cooling Mode: To decrease the room temperature.
* Heating Mode: To increase the room temperature.
* Dry Mode: To decrease the humidity in the room.
* Fan Mode: To circulate the air in the room.
● Dry mode may not perform properly if there are other heat sources that exceed the capacity of the unit.
● The humidity control is unavailable for this unit. If you require dehumidification and the control of humidity,
choose specialized equipment.
● Decreasing humidity during dry operation might be unavailable.
Turn ON the power supply.
Apply power to the outdoor unit(s) at least
12 hours prior to operation of the system
Before
for preheating of the compressor oil.
Connecting
Operation
Do not turn OFF the main power of the
indoor unit during heating or cooling
season.
Press “ ” or “ ” to select “MODE”.
1
OK
Back/Hel
By pressing “ ” or “ ”, the mode is
changed as follows.
2
OK
FAN(AUTO)DRYHEATCOOL
Back/Hel
● An automatic cooling/heating operation requires an extra setting. Contact your distributor or contractor for
details.
PMGB0375
11
Menu
p
Menu
p
5.3 Temperature Setpoint
Press “ ” or “ ” and select “TEMP”.
1
OK
Back/Hel
By pressing “ ”, the temperature is
increased by 1oF (0.5oC) to a
Max. 86oF (30oC)
2
By pressing “ ”, the temperature is
decreased by 1oF (0.5oC).
OK
Back/Hel
COOL, FAN operation: Min. 66oF (19oC)
HEAT operation: Min. 62oF (17oC)
● If the optional function “Automatic Reset of Setting Temperature” is set:
Even if you change the setting temperature on the wired controller, it automatically returns to the
temperature set by “Automatic Reset Temperature” after a set time.
● Minimum and maximum temperature setpoint limits can be congured by selecting a cooling lower limit
and heating upper limit in the “Function Selection” mode of the wired controller's Test Run Menu.
● Contact your distributor or contractor for details on optional functions “Automatic Reset of Setting
Temperature”, “Cooling Lower Limit for Setting Temperature”, and “Heating Upper Limit for Setting
Temperature”.
12
PMGB0375
Menu
p
Menu
p
5.4 Fan Speed
Press “ ” or “ ” and select “SPEED”.
1
OK
Back/Hel
By pressing “ ” or “ ”, the fan speed is
changed as follows.
2
HIGH 2
HIGH MED LOW
OK
AUTO
Back/Hel
● During the dry mode, the fan speed automatically changes to “LOW” and you cannot change it to any
other fan speed. (Only the current setting is displayed on the liquid crystal display (LCD). “LOW” is NOT
displayed.)
● The fan speed setting “HIGH 2” may not be available depending on the indoor unit type.
5.5 Operation
Press “ ” (On/Off).
The RUN indicator turns ON and the
Operation
operation starts.
On/Off
OK
Start
Temperature/Airow Setting
● The setting condition is stored in memory. Therefore, no daily setting is required. Temperature setpoint
and airow settings are retained after the indoor unit is turned OFF at the controller. In a case where the
setting change is required, refer to Sections 5.2 to 5.4.
Press “ ” (On/Off) again.
The RUN indicator turns OFF and the
operation stops.
Operation
On/Off
OK
Stop
● The indoor unit fan may continue to operate for up to two minutes following the heating cycle to dissipate
residual heat from the indoor unit.
PMGB0375
13
An automatic heating/cooling operation and setback operation requires extra settings.
Contact your distributor or contractor for details.
5.6 Automatic Heating/Cooling Operation
In case dual setpoint is selected in automatic heating/cooling
operation, during auto mode both cooling setpoint and heating
setpoint can be selected.
By default, temperature when the heating/cooling mode changes is
as follows.
Cooling mode changes to heating mode when the indoor
temperature is at the heating setpoint -2oF (-1oC).
Heating mode changes to cooling mode when the indoor
temperature is at the cooling setpoint +2oF (+1oC).
If the temperature for changing modes must be changed, contact
your distributor or contractor for details.
5.7 Setback Operation
If the setback operation is enabled and the card key is removed,
the setpoint is adjusted for setback, and the fan operates at “Low”
speed.
During this time, “Setback” is displayed on the LCD.
By default,
Cooling: Setpoint +4oF (+2.5oC)
Heating: Setpoint -4oF (-2.5oC)
If the adjustment for setback operation must be changed, contact
your distributor or contractor for details.
NOTE:
In case of Celsius Indication.
NOTE:
In case of Fahrenheit Indication.
14
PMGB0375
6. Automatic Control
This air conditioning unit automatically starts the following operations according to the indoor conditions.
The system is equipped with the following functions.
▪ Enforced Stoppage:
The compressor remains off for at least three minutes once it has
stopped. If the system is started within approximately three minutes
after it has stopped, the RUN indicator is activated.
However, the cooling operation or the heating operation remains off
Three-Minute Guard
Frost Prevention
Cooling
and
Dry
Self-Cleaning
of Electronic
Expansion Valve
Hot Start
Defrost Operation
Heating
Residual
Heat Removal
and does not start until after three minutes have elapsed.
▪ Enforced Operation:
If all indoor units of the system are Thermo-OFF* within approximately
three minutes after the compressor has started, the compressor
operates continuously during these three minutes.
However, if all indoor units of the system are stopped by a controller,
the compressor has stopped.
When the indoor unit is operated at a low discharge air temperature,
the cooling operation may be changed to fan operation for a while to
avoid frost formation on the indoor heat exchanger.
The electronic expansion valve self-cleans when the cooling operation
has stopped. The sound of refrigerant ows may be heard from the
indoor unit during the self-cleaning. This is not abnormal.
To prevent cold air discharge in the room, the fan speed is controlled
from the slow position and the low position to the set position according
to the discharge air temperature.
At this time “HOT-START” is displayed on the LCD of the wired
controller.
The indoor unit fan operation is stopped to prevent cold air discharge
during the defrost operation. At this time, the indication “HOT-START”
is displayed on the LCD of the wired controller.
When the heating operation is stopped, indoor fan operation may be
kept at the slow speed for a maximum of two minutes to lower the
internal temperature of the indoor unit.
Prevention
of Overload
Operation
* Thermo-OFF: The outdoor unit and some indoor units stay on, but don't run.
Thermo-ON: The outdoor unit and some indoor units are running.
When the outdoor temperature is high (approximately 70oF (21oC)
or more) during the heating operation, the operation is stopped by
activation of the outdoor thermistor.
NOTE
● This air conditioning unit adopts a hot air circulation system for the heating operation.
If the space is large or the room temperature is excessively low, it takes time to heat the entire room.
If the room is heated enough and discharged air reaches a required temperature, the indication “HOTSTART” turns OFF after heating the room.
● The indication “HOT-START” may be displayed during, or right after, the defrosting operation.
“HOT-START” is activated during defrost to ensure comfort by reducing the delivery of cold air in the
heating cycle. This is NOT abnormal.
PMGB0375
15
7. Maintenance
NOTICE
● Turn OFF the power source before the maintenance work. If the power source is not turned OFF, the
result may be an electric shock or re.
● Perform the maintenance work with a stable foothold or foundation. This can prevent falling or injury.
● Hold the air lter and the air inlet grille securely by hand when attaching or removing it. Not doing so may
cause the product to fall, resulting in an injury.
● Do not operate the system without the air lter to protect the indoor unit heat exchanger from being
clogged.
7.1 Cleaning Air Inlet Grille and Air Filter
The air inlet grille and the air lter can be removed and cleaned.
Clean the air inlet grille and the air lter when the lter sign is turned ON.
On/Off
A/C
MODE SPEED
COOL
SPEED Adj.
Meeting Room
OK
TEMP
FLTR
Menu
Back/Help
Filter Sign
ECO
16
PMGB0375
(1) Removal of the air inlet grille and the air lter.
Air Inlet Grille
(H,Y,C)IFE006B21S, 008B21S, 012B21S, and 015B21S
•Loosen the screws of the securing plate on the right part of the grille. Then remove the plates.
Press the knob on both sides of the grille in the direction indicated by the arrow. The grille can be
opened at a 30
o
angle.
Remove the air inlet grille from the hinges.
Securing Plate
ScrewGrille
•The air lter is located inside the air inlet grille.
Remove the lter by pulling the lter.
Air Filter
(H,Y,C)IFC006B21S, 008B21S, 012B21S, and 015B21S
•Remove the lter by pulling the lter.
(2) Clean the air inlet grille and the air lter.
•Vacuum dust off with hand-held vacuum cleaner, or wash the air inlet grille and the air lter with water or
a neutral detergent.
• Dry the air lter in a shaded area.
NOTE
● Do not use water warmer than 122°F (50°C). Filter elements can be damaged by heat.
● Do not dry the air lter by holding it over open ame, with a hair dryer, or any type of heating device.
Filter elements can be damaged by heat.
PMGB0375
17
(3) Attach the air inlet grille and the air lter.
After the air lter is dried, attach it in the reverse order from what is shown in Step 1 above.
NOTE
● Be sure to attach the air lter.
Operating the indoor unit without a lter installed will cause serious damage and breakdown.
● Make sure that the air inlet grille is securely locked with the knobs and screws.
(4) Reset the lter sign.
NOTE
If the accumulated operation time is shorter than the lter sign setting, the indication “ ” is turned ON and
“Setting Disabled” is displayed.
•Press “Menu”.
Select “Reset Filter Sign Time” from the menu and press “OK”.
Menu
Simple Timer
Reset Filter Sign Time
Operation Schedule
Elevating Grille
Power Saving Setting
The conrmation screen is displayed.
•
Select “Yes” by pressing “
” or “ ” and press “OK”.
15:10(Fri)
OK Back
Entr RtrnSel.
01
/
05
The indication of “FLTR” turns OFF and the screen returns to the normal mode.
7.2 Maintenance
Before Use After Use
• Remove obstacles around the air inlet and the air
outlet of the indoor unit and outdoor unit.
• Check that the air lter is not clogged with dust or
dirt.
18
• Clean the air lter and the air inlet grille on a
regular basis to maintain the system's peak
performance and efciency.
PMGB0375
8. Troubleshooting
8.1 This is Normal
Phenomenon Cause
All indication lamps on the
wired controller are turned
Operation Stopped
White Steam
from Indoor Unit
White Smoke
from Indoor Unit
Mist from Indoor Unit
Odor from Indoor Unit
Sound from Indoor Unit
Temperature Irregularity
“HOT-START” on LCD Turns ON
Operation Mode on LCD is Flashing
OFF.
After Power Failure
During Heating Operation
At Beginning of Heating
Operation Season
In Restaurant or Kitchen
During Dry Operation
During Cooling Operation
in Humid Environment
Odor Discharged from
Indoor Unit
Grating sound is heard when
starting or stopping the
operation.
Sound of water owing or
bubbling during the operation.
Growling sound may be heard
temporarily right after the
airow volume is changed.
The airow volume and
temperature of each air outlet
are irregular.
The micro-computer is activated to protect the
device from electromagnetic waves. Restart the
operation.
Restart the operation. If the instantaneous power
failure is within two seconds, the operation restarts
automatically.
This might occur during the defrosting operation in
the heating operation.
This might occur when dust attached to the heat
exchanger has dried.
This might occur when oil attached to the ns might
decrease the heat exchange efciency.
This might occur when the air outlet temperature
becomes lower. Change the operation mode.
This might occur when the air outlet temperature
becomes lower.
Raise the set temperature and the airow volume.
This might occur when the smell of cigarette smoke
inltrated the inside of the indoor unit.
Ventilate the unit well in the fan mode and clean the
air lter, the air outlet, and the air inlet grille.
This is the sound made when the components are
rubbing against each other due to the expansion
and contraction of the resin parts caused by the
temperature change.
This is the sound made when the refrigerant ows
or the drain-up mechanism drains water. The
sound may be heard especially when starting the
operation or stopping the compressor (for approx.
three minutes).
It is generated because the fan motor makes a
temporary sound when the fan speed changes.
This might occur for structural reasons, such as the
size of air outlet and the location of heat exchanger.
This might occur according to the operation mode
or operating conditions.
PMGB0375
19
8.2 Before Contact
Refer to the information below before contacting a contractor.
Trouble Check Point Action
Operation Unavailable
Cooling
Immediate
Shutdown after
Start-up
Heating
Insufcient Cooling or
Heating
Check that the main power
source is turned ON.
Check that the fuse is not
blown or the circuit breaker
of the main power source
tripped.
Check that the air inlet and
outlet of the outdoor unit are
not covered with paper, vinyl
or other objects.
Check for any obstacles
preventing the airow near
the air inlet and outlet of the
outdoor unit.
Check that the outlet air is not
short-circuited to the air inlet.
Check that the operation
mode is correct.
Check that the set
temperature is correct.
Check that the airow
direction is correct.
Check that the air lter is not
clogged.
Check that a window or a door
is not open.
Check for any obstacles
preventing the airow near
the air inlet and outlet of the
indoor and outdoor units.
Turn ON the main power source for the air
conditioner.
Replace the fuse or reset the circuit breaker.
If the trouble recurs, contact your contractor or
distributor.
Remove objects covering the air inlet and outlet.
Remove the obstacles preventing the airow.
If the fan mode is selected, switch the operation
mode to cooling or heating.
If not, change the set temperature by pressing “
or “
If not, change the airow direction.
In case the footing is not heated well during the
heating operation, change the louver downward.
Clean the air lter.
Close the window or the door.
Remove the obstacles.
”
” with the wired controller.
20
PMGB0375
8.3 Contact Distributor
Indoor Unit Number
If trouble still persists, even after checking off previously listed items or detecting problems not mentioned in
the previous pages, stop using this product and call your distributor or contractor immediately.
If there is any perceived abnormality present (noises or odors associated with electrical short,
re, or burning elements), shut down immediately and shut OFF at the main power source.
Contact your distributor or contractor without delay.
Trouble
Action before Contacting
Contractor or Distributor
The protection devices (fuse, breaker, GFCI, and so forth)
are frequently activated or the operation switch does not
Turn OFF the power source.
work.
Water Leakage from the Indoor Unit. Stop the operation.
● The RUN indicator (red) is ashing.
● The indoor unit number, the alarm code, the unit model
code and the number of connected indoor units are
displayed on the LCD.
● If plural indoor units are connected to one controller, the
above abnormality information displays individually for
each indoor unit.
Check the details on the LCD and contact your distributor.
Refer to the Alarm Code Table.
Contact your distributor and advise of the indication
details on the wired controller.
01-02
Alarm Code:
MODEL : F .08
I.U. :
IDU :
ODU :
O.U. :
RCI-3.0FSN3
******
RAS-3HVRNM2
******
Sel. OP MODE
23
Chek
AlarmRST
Address
OK
Entr
Provide the following information when contacting your distributor.
1) Unit Model
2) Explain the Trouble or Problem
3) Alarm Code No. on the LCD or Details of a Flashing Indicator
PMGB0375
21
8.4 Alarm Codes
Code Category Content of Abnormality Code Category Content of Abnormality
01 Indoor Unit Activation of Protection Device 35
02 Outdoor Unit
03
Communication
04
05 Supply Phase Problem of Power Source Phases 41
06 Voltage
07
Cycle
08
09 Outdoor Unit
11
12 Outlet Air Thermistor Failure 47
13 Freeze Protection Thermistor Failure 48
14 Gas Piping Thermistor Failure 51
19 Fan Motor
20
21 High Pressure Sensor Failure 54
22 Outdoor Air Thermistor Failure 56
23 Discharge Gas Thermistor Failure 57 Activation of Fan Controller Protection
Sensor on
Indoor Unit
Sensor on
Outdoor Unit
Activation of Protection Device
(High Pressure Cut)
Operational Irregularities between
Indoor and Outdoor
Problem between Inverter PCB and
Outdoor PCB
Abnormal Voltage Drop in
Outdoor Unit
Decrease in Superheated Discharge
Gas
Increase in Discharge Gas
Temperature
Activation of Protection Device for
Outdoor Fan
Inlet Air Thermistor Failure 46
Activation of Protection Device for
Indoor Fan
Compressor Thermistor Failure 53
36 Incorrect Indoor Unit Combination
38
39 Compressor
42 Overload Heating
43
44
45
52
System
Pressure
Protection
Device
Inverter
Outdoor Fan
Incorrect Setting of Indoor Unit No.
Problem with Protective Pickup Circuit
in Outdoor Unit
Problem with Running Current at
Constant Speed Compressor
Overload Cooling
Activation of Pressure Ratio Decrease
Protection Device
Activation of Low Pressure Decrease
Protection Device
Activation of Low Pressure Increase
Protection Device
Activation of High Pressure Increase
Protection Device
Activation of High Pressure Decrease
Protection Device
Activation of Overcurrent Protection
Device
Problem with Inverter Current Sensor
Activation of Inverter Overcurrent
Protection
Activation of Transistor Module
Protection
Abnormality of Inverter Fin
Temperature
Abnormality of Detection for Fan
Motor Position
24 Evaporating Thermistor Failure 58 Abnormality of Fan Controller
29 Low Pressure Sensor Failure b0
31
System
32
Incorrect Capacity Setting of
Outdoor Unit and Indoor Unit
Incorrect Setting of Other Indoor Unit
Number
b1
EE Compressor Compressor Protection Alarm
System
Incorrect Setting of Unit Capacity
Incorrect Setting of Unit and
Refrigerant System No.
22
PMGB0375
© 2018 Johnson Controls, Inc.
PMGB0375
Code No. LIT-12013023
Issued April 2018
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