Hitachi RPIL-3.0UFE1NH User manual

–
SERVICE MANUAL
PRIMAIRY
LARGE SINGLE SPLIT
DC-INVERTER SERIES
MODELS
MODELS
HS2019324HB
SM)-200313
INDOOR UNITS
OUTDOOR UNITS
DUCTED
RPIL-3.0UFE1NH
RPIH-3.5UFE1NH
RPIH-4.0UFE1NH
RPIH-5.0UFE1NH
RPIH-6.0UFE1NH
RPIH-6.5UFE1NH
CASSETTE
RCI-3.0UFE1NH
RCI-3.5UFE1NH
RCI-4.0UFE1NH
RCI-5.0UFE1NH
RCI-6.0UFE1NH
RCI-6.5UFE1NH
FLOOR CEILING
RPFC-3.0UFE1NH
RPFC-3.5UFE1NH
RPFC-4.0UFE1NH
RPFC-5.0UFE1NH
RPFC-6.0UFE1NH
RPFC-6.5UFE1NH
RAS-3.0UFESNH1
RAS-3.5UFESNH1
RAS-4.0UFESNH1
RAS-5.0UFESMH1
RAS-6.0UFESMH1
RAS-6.5UFESMH1
RAS-5.0UFESNH1
RAS-6.0UFESNH1

Table of Contents
1. Option list ...............................................................................................................................................1
1.1 Wired remote controller ...............................................................................................................1
1.2 Wireless remote controller ..........................................................................................................10
1.3 IR Receiver .................................................................................................................................15
2. Troubleshooting....................................................................................................................................16
2.1 Trouble guide...............................................................................................................................16
2.2 Fault codes .................................................................................................................................21
3. Checking components .........................................................................................................................30
3.1 Check refrigerant system............................................................................................................30
3.2 Check parts unit .........................................................................................................................32
4. Disassembly and assembly for compressor and motor ......................................................................36
5. Control logic description .....................................................................................................................46
5.1 Fan only mode ............................................................................................................................46
5.2 Cooling mode..............................................................................................................................46
5.3 Heating mode ............................................................................................................................47
5.4 Auto mode ..................................................................................................................................48
5.5 Evaporator low-temperature protection ......................................................................................48
5.6 Condenser high-temperature protection.....................................................................................49

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1. Option list
1.1 Wired remote controller (Model：HCWA21NEWH)
Wired remote controller installation
Check that the following accessories are included with the unit before installation：
1pc 1pc
2 pcs 2 pcs
Manual
Quality certification
Screw Controlling cable
Connecting terminal
1pc
NOTE:
Control board of the wired controller is placed on upper cover.
Please protect it from being scratched during removal and installation!
1.Selecting the Installation Location.
Please select the installation location according to safety precautions .
2. Removing the upper cover of the wired controller.
Insert the slotted screwdriver in the slots,
and press on it for removal.
4.
3.Removing the insulating strip of the battery.
Otherwise the wired controller cannot work normally after installation!
Wiring.
Leading out wire
Pull one of the attached controlling cable out of the lower cover from the rear round hole.
Checking accessories
How to install
*Lead out the wire toward the arrow
direction!
①
②Wiring
Circuit board of
wired controller
upper cover lower cover
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A.Connect the controlling cable with upper cover terminal as the figure above.
B.Connect the other attached controlling cable with indoor unit control board.
C.Connect the 2 controlling cables with attached connecting terminal as the figure below:
Controlling cable
YL YL
BL BL
RD RD
BK
Controlling cable
BK
Firmly fasten the connection cord after connection.
GND
RXD
TXD
+12V
GND
RXD
TXD
+12V
5.Securing the lower cover.
Please secure the lower cover with the attached screws (2 pcs) on the wall or embedded box.
Custom parameters
The internal parameters of the wired controller can be set with the actual usage conditions.
The catalogue of custom-setting parameters is shown as follows:
Custom-
setting
parameter
code
Implication of code display Description Remarks
3 boot When “bo” blinks, press “ ” to restore to
factory default and quit parameter set.
6Temperature display setting 0-Display the set temperature;
1-Display the indoor environment temperature
The
factory
setting
defaults to
0
7Temperature measurement
unit display setting 0-Display in Celsius;
1-Display in Fahrenheit degree
8Cooling only setting 0-Heat pump type air conditioner;
1-Cooling only air conditioner
10 Temperature limits revision
setting 0-Not permitted; 1-Permitted
11 Environment temperature
revision setting 0-Not permitted;1-Permitted
Self-setting parameter code
Function code
The method of setting the custom parameters
1Press and hold " ", " " and " " buttons at the same time for 5s, to access the
parameter custom-setting mode, and the screen will display the self-setting parameter code
and icon .
Press the “ " button to select the custom-setting parameter code, and function code will
also be displayed on the LCD.
Press the " " (up) button or " " (minus) button to select the function code and press
2
3
"ON/OFF" button to confirm the setting.
NOTE:
It will directly exit custom setting mode without saving the setting if there is no operation within 30s.
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Parameter setting
The wired controller room temperature display and limit set temperature can be revised if needed.
Before setting, please check if these parameters are enabled to be revised, for details, see
Custom parameters.
1.Temperature limit setting
Default temperature set point range is (16-30)℃. You can change the range when needed. For
example, in cooling mode, temperature adjustment range could be changed to (23-30)℃; in
heating mode, it could be changed to (16-23)℃. The temperature limit is only effective for the
cooling and heating modes.
Temp. limit setting (cooling mode) Temp. limit setting (heating mode)
Room temperature correction
How to quit:
Press the " " button to exit without settings.
2.Room temperature correction
Setting room temperature correction is for particular cases (e.g. remote located at an area with
different temperature from the room) : wired controller is set to display room temperature, but
the room temperature detected is different from the actual room temperature, so setting
correction is necessary.
Room temperature correction value
1
2
3
4
Setting method:
Press and hold the " " and " " button at the same time for 5s to enter parameter setting mode.
Press " " or " " until room temperature icon " " and temp. value start blinking on the screen,
and press " " to enter room temp. correction mode.
Press the " " or " " button to adjust the room temperature value within an offset of ±10℃ of the
current temperature.
Press the " " button to confirm the setting, save the setting and exit.
3
11
2
3
4
5
6
Setting method:
the " " and " " button at the same time for 5s to enter parametPress down the "Press down
Press " " or " " button until set temp. icon " " cooling mode icon " " and temp.all values
blink on the display, press "
" to enter cooling temp. limit setting mode.
Press the " " or "Press the " " or "
" button to adjust the lowest cooling temperature value.
Press the " " button to confirm the setting and enter heating temp. limit setting mode, temp. icon
" " heating mode icon " " and temp. all values will blink on the display.
Press the " " or " " button to adjust the highest heating temp. value.
Press the " " button to confirm the setting, save the setting and exit.

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Align the upper cover with the hasp of lower cover of the wired controller, and then press the
upper cover onto the lower cover.
After installation, tear off protective sticker attached on the display of wired controller.
Upper cover assembly
Hasp
Hasp
1
2
3
4
5
7
6
ON/OFF BUTTON
The appliance will be started or stopped when this button is pressed.
MODE BUTTON
Press this button to select the operation mode.
FAN BUTTON
Used to select fan speed in sequence high- auto-low-medium-high.
TIMER/CLOCK BUTTON
Used to set the current time or set Timer ON/OFF.
UP SETTING BUTTON
Used to raise the setting values or to set the airflow direction.
DOWN SETTING BUTTON
Used to lower the setting values.
LIQUID CRYSTAL DISPLAY(LCD) SCREEN
5
7
1 2 3456
Wired controller introduction
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LCD screen
NOTE:
Mode indication area,which indicate
the current operation mode Timer setting
Operation mode
Fan speed setting
Timer setting
Timer ON
Timer OFF
Timer setting valid only once.
Timer setting valid only for one day.
Timer setting set for a week.
Temperature display
Room temperature
Set temperature
(flickering)
Cooling mode
Auto fan speed
Ultrahigh fan speed
High fan speed
Medium fan speed
Low fan speed
Ultralow fan speed
Heating mode
Dry mode
Fan mode
Auto mode
Fan speed display
Clock
Filter cleaning indicator
Sleep indicator
Error Indicator
Parameter revision indicator
Electric heater indicator
Button lock indicator
Defrost indicator
Display room temperature
/set temperature
Up/Down airflow swing
Left/Right airflow swing
Fahrenheit Temperature
1. Heating and electric heating function are not available for single cooling only models.
2. Air direction, Filter Cleaning, Floor Heat, Electric Heating etc. are only available for specific models.
For details, please refer to the operation manual.
3. Custom-setting parameters must be configured by installer or authorized person.
Basic operation
This wired controller should be used with the air conditioner, it can be used for cooling,
heating, drying and fan etc. For other functions and settings, please refer to the
specific operation in this manual.
1.Turning ON/OFF
Press the button, the appliance will be started or stopped.
2.Mode setting
Press “ ” button to select operation mode.
Each time MODE button is pressed, the operation mode will change in the following sequence:
COOLING FAN ONLY HEATING AUTO
DRY
AUTO mode is invalid for models without AUTO mode when setting.
HEATING mode is invalid for cooling only types or heating-forbidden air conditioners.
:
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3.Temperature setting
Press the " " or " " button to enter the temperature setting state.
Each time “ ” button is pressed , temperature setting increases by 1℃；
Each time “ ” button is pressed , temperature setting decreases by 1℃.
Temperature setting range
COOLING, HEATING, DRY, AUTO 16℃~30℃
FAN ONLY Unavailable for setting
1. Heating mode is invalid for cooling-only air conditioners.
2. The default setting range depends on the indoor unit.
3. Setting range can be changed by professional staff, and for detailed operations, please contact the
installation service/after-sales service center.
4. When the set temperature reaches the upper or lower limits, setting temperature will not increase or
decrease.
” buttons for 5s simultaneously to adjust the airflow direction.
5.Airflow swing setting
Press and hold “ ” and “
The airflow direction setting will change in the following sequence by default:
: This function is only applicable to the air conditioning units with the swing function.
Function set
AUTO fan speed is invalid for “FAN” mode.
AUTO fan speed is the default setting under the DRY mode, unabling adjusting.
4.. Fan speed setting
When the appliance is in working mode, press the " " button to adjust the fan speed.
The fan speed will change in the following sequence:
None
No display
UP-DOWN AND LEFT-RIGHT
Airflow Swing
MEDIUM
HIGH
AUTO
Up/Down Airflow Swing
Left/Right Airflow Swing
(blinking)
LOW
:
:
The maximum cooling/heating capacity can be activated at
the super mode.
How to activate:
Press and hold" " and " " buttons for 5s simultaneously with the working unit to activate the
super mode, and the indoor unit will run at the ultrahigh fan speed, and displays icon.
If you operate the Super mode under COOLING, DRY and FAN ONLY modes, the unit will
automatically go into forced cooling mode with lowest setting temperature, or go into forced
heating mode with highest setting temperature under the heating mode.
How to cancel:
Press " "/" "/" " button to exit immediately.
:
For the indoor units without ultrahigh fan speed function, it will be adjusted to run at high fan speed under
the super mode, with high fan speed mode icon displayed.
The silent mode reduces the noise by changing the fan speed of
indoor unit so as to keep quiet during operation at night.
How to activate:
In the COOLING/HEATING mode during appliance operation, press and hold " "and “ ”
buttons for 5s simultaneously to activate silent mode, the indoor unit will run at the ultralow fan
speed, and displays icon.
How to cancel:
Press " "/" "/" " button to exit.
:
For the indoor units without ultralow fan speed function, it will be adjusted to run at low fan speed
under the silent mode, with low fan speed mode icon displayed.
Super mode
Silent mode
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With the sleep function, the air conditioner will run in the mode
of comfortable sleep to improve comfort.
How to activate:
Press and hold “ ” button for 5s when the appliance is on to set the sleep function. The icon
will be displayed on the LCD, indicating that sleep mode is activated.
How to cancel:
Press and hold “ ” button for 5s again to cancel sleep function. The icon will disappear
from LCD, indicating that sleep mode has been cancelled.
Sleep mode
Button lock
After the wired controller setting is completed, lock buttons to
avoid wrong operation by children and others. User settings
are overwritten with lock function. All operations are disabled
after button lock function has been set.
How to activate:
Press and hold “ ” and " " buttons simultaneously for 5s to activate button lock function, and icon will be
displayed on the LCD.
How to cancel:
Press and hold “ ” and " " buttons simultaneously for 5s again to unlock, and icon will disappear from
the LCD.
FILTER CLEAN screen prompt is only available for some models. For details, please refer to indoor unit manuals.
Be sure to stop the operation and turn off the power supply before performing any cleaning.
When is displayed on LCD, it indicates that the filter
needs to be cleaned.
Please contact professional staff to perform cleaning.
After cleaning, press and hold “ ” and “ ” button for 5s to reset warning prompt.
Filter cleaning reset
(available for models equipped with filter cleaning prompt function; only professional staff should operate this function.）
:
Clock setting
When the clock value is not consistent with the actual time, the clock shall be set.
Setting method:
Press and hold " " button repetitively until icon blinks to
enter clock setting mode. Set the clock in the following
sequence:
MinuteMinute Hour Weekday
Press " / " button to select the desired Minute,
press " " button to set the next item.
Set HOUR/WEEKDAY by the same method as setting MINUTE.
Press “ ” button or wait for 30s without operation to confirm.
1
2
3
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1
2
2
3
3
4
4
1
Single TIMER ON/OFF
Enter “Single TIMER ON/OFF ” setting mode
“Single TIMER ON/OFF ” hour setting
“Single TIMER ON/OFF ” minute setting
“Single TIMER ON/OFF ” confirm
“SINGLE TIMER ON/OFF” cancellation
How to activate:
During OFF condition, repetitively press " " button until icon
ONCE appears, “ON” and clock set are flickering, press “ ”
button to enter Timer ON setting.
Press “ / ” button to adjust the timer hour.
Each time “ ” button is pressed, timer setting increases by 1h.
Each time“ ” button is pressed, timer setting decreases by 1h.
It can be set from 0h to 23h, and timer setting resolution is 1 hour.
Press “ ” button when reaches the desired value.
Set Timer ON minute with the same procedure.
It can be set from 00 to 59 with 1 minute resolution.
Press “ ” button to confirm Single TIMER ON setting.
The display will return to previous screen and icon “ ” will
appear on the upper right corner of the screen.
How to cancel:
To cancel “TIMER ON”, press “ ” button to activate the Timer
ON setting, press “ / ” button to adjust time hour until icon
OFF appears, press “ ” button to confirm cancellation and exit.
You can set Single TIMER OFF with the same method when the
appliance is ON.
:
Pressing and holding down the “ / ” button causes the value to
increase continuously and rapidly.
The Single Daily and Weekly timer functions cannot be set at the same time.
Operation:
Press “ ” button to activate TIMER setting, and press “ / ”
until icon DAILY displays on LCD, “TIMER OFF” and clock setting starts flickering.
Press “ ” button to enter timer OFF hour setting.
Steps are the same as Single TIMER ON/OFF setting.
DAILY ON/OFF TIMER
:
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