HCWA21NEWH
Installation and Operation Manual
HPU2017003HA
HITACHI WIRED CONTROLLER
Model
INSTALLATION AND OPERATION MANUAL
CONTENTS
Safety precautions ......................................................................................1
Wired Controller installation ......................................................................3
Wired Controller introduction ....................................................................8
Wired Controller ...........................................................................................8
LCD Screen...................................................................................................9
Basic Operation.........................................................................................10
Function Set...............................................................................................11
Super mode .................................................................................................11
Mute mode...................................................................................................11
Sleep mode ................................................................................................11
Button Lock .................................................................................................12
Filter Clean Reset .......................................................................................12
Clock Set.....................................................................................................12
Single Timer ON/OFF ................................................................................13
Daily ON/OFF Timer ..................................................................................13
Weekly Timer...............................................................................................14
Maintenance, Troubleshooting and After-Sale Service .........................15
Safety Precautions
1. Important Notice
2. Product inspection
● We pursue a policy of continuous improvement in design and performance of products.
Company reserves the right to change the specifications without notice.
● We cannot anticipate every possible circumstance that might involve a potential hazard.
● No part of this manual can be reproduced without written permission.
● Signal words (DANGER, WARNING and CAUTION) are used to identify levels of hazard
seriousness.
Definitions for identifying hazard levels are provided below with their respective signal words.
Useful information for operation and/or maintenance.
● Upon receiving this product, inspect it for any shipping damage.
Claims for damage, either apparent or concealed, should be filed immediately with the
shipping company.
● Ensure that all accessories are included with the unit according to the accessories list.
● Check the model number to determine if they are correct.
The standard utilization of the unit shall be explained in this manual.
Therefore, the utilization of the unit other than those indicated in this manual is not
recommended.
● Follow local codes and regulations when installing the wired controller.
● Please contact your local agent, as the occasion arises.
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● Installation and maintenance should be performed by a qualified personnel.
● If you have any questions, contact your distributor or dealer.
● This manual should be considered as a permanent part of the air conditioning equipment
and should remain with it.
Immediate hazards which WILL result in severe personal
injury or death.
Hazards or unsafe practices which COULD result in severe
personal injury or death.
Hazards or unsafe practices which COULD result in minor
personal injury or product or property damage.
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Our company disclaims all responsibility for changing the equipment without our
company's written consent.
● User should not install the appliance. Only an authorized personnel should perform the
installation. Improper installation could cause damage by fire or electric shock.
●Perform the installation correctly referring to the installation manual.
Incorrect installation could cause a personal injury due to fire or electric shock.
●Do not splash water on the appliance and do not touch it with wet hands.
, only an authorized personnel These products are equipped with electrical components
should perform the installation.
● Must not touch or regulate safety device in the appliance. Otherwise serious accident may
occur.
3 Safety summary.
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Safety Precautions
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Please be sure to cut off the main power supply before opening the panel to repair.
Please use specified cable. Connect it firmly to the connection terminals avoiding the shielding.
Do not apply wire stress to these parts. Otherwise it might cause electric shock or fire, etc.
Install the appliance on the base that can support its weight. Otherwise it may cause injury in
the event the appliance falls off the base.
Connect with the electric supply after installation and check electric leakage.
Avoid the following places for installation where appliance may fail to operate normally:
·Places with presence of oils.
·Places where sulfide gas occurs such as hot springs.
·Places with a flammable environment.
·Salty places such as coastal regions.
·Places with high temperature, electric signals or flames, which may lead to heat or fire.
·Where there is high-frequency or wireless equipment, which can cause interference.
·Moisture or water flooding place. Once the water enters inside the wired controller, electric
shock or electronic parts failure may occur.
Do not install the appliance or connect the wires before reading the manual.
Usage of spray such as pesticides, paint, hair gel or other toxic gases within 1 meter of the
appliance is prohibited.
If the ELB (Electric Leakage Break) or fuse trouble is liable to occur, please consult local
service provider.
Do NOT place any object on the unit that is not related to the appliance. Protect the wires,
electrical parts, etc. from rats or other small animals. If not protected, rats may gnaw at
unprotected parts and at the worst, a fire will occur.
Firmly connect wires. Excessive force may cause shortcircuit.
If the electric box or fuse break happens frequently, please consult local service provider.
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Install indoor unit outdoor unit, wired controller or cables at least 3 meters away from high frequency , -
electric signal source (such as medical appliance).
Do not tread on products or place anything on it .
d Choose a place as described below to install wire controller to let TEMP. sensor work normally.
A place where average temperature in the room can be detectedA. .
. ich .B A place wh is not exposed to direct sunlight
. .C Avoid extremely hot or cold locations
d Do not play with the wire controller.
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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
Please select the installation location according to safety precautions .
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.
2. Removing the upper cover of the wired controller.
Insert the slotted screwdriver in the slots,
and press on it for removal.
4.Wiring.
3.Remove the insulating strip of the battery.
Leading out wire
Pull one of the attached controlling cable out of the lower cover from the rear round hole.
Otherwise the wired controller cannot work normally after installation!
3
Checking accessories
Wired Controller Installation
How to install
*Lead out the wire toward the arrow
direction!
①
4
② Wiring
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 BK
Controlling cable
Firmly fasten the connection cord after connection.
Circuit board of
wired controller
upper cover
lower cover
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:
Wired Controller Installation
Custom-
setting
parameter
code
Implication of code display
Description
Remarks
3
boot
When “boot” blinks, press “ ” to restore to
factory default and quit parameter set.
6
Temperature display setting
0-Display the set temperature;
1-Display the indoor environment
temperature
The
factory
setting
defaults to
0
7
Temperature measurement
unit display setting
0-Display in Celsius;
1-Display in Fahrenheit degree
8
Cooling 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
5
Press 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
"ON/OFF" button to confirm the setting.
1
2
3
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.
Parameter setting
Wired Controller Installation
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.
Note:
It will directly exit custom setting mode without saving the setting if there is no operation within 30s.
6
Temp. limit setting (cooling mode) Temp. limit setting (heating mode)
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2
1
3
4
5
6
Setting method:
Press down the " " and " " button at the same time for 5s to enter parameter setting mode.
Press " " or " " until set temp. icon " " cooling mode icon " " and temp.all values will
blink on the display, press " " to enter cooling temp. limit setting mode.
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.
How to quit:
Press the " " button to exit without settings.
2.Room temperature correction
Room temperature correction
Setting room temperature correction is for particular cases (e.g. remote located at an area with
different temperature than 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
Wired Controller Installation
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.
How to cancel:
Press the " " button to exit without saving, all values will blink on the display.
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
Wired Controller Installation
7
Wired controller
1
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5
7
6
FAN BUTTON
TIMER/CLOCK BUTTON
ON/OFF BUTTON
MODE BUTTON
Used to select fan speed in sequence high- auto-low-medium-high.
Used to set the current time or set timer on/off.
The appliance will be started or stopped when this button is pressed.
Press this button to select the operation mode.
UP SETTING BUTTON
DOWN SETTING BUTTON
Used to raise the setting values or to set the airflow direction.
Used to lower the setting values.
5
LIQUID CRYSTAL DISPLAY(LCD) SCREEN
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8
1 2
3
4
5
6
Wired Controller Introduction
9
LCD screen
Wired Controller Introduction
NOTE:
1. Heating and electric heating function are not available for single cooling only models.
2. Air direction, Filter Clean, Floor Heat, Filter Clean, 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.
Mode indication area,which indicate
the current operation mode
Timer setting
Operation mode
Temperature display
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.
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
Parameter revision indicator Filter clean indicator
Sleep indicator
Error Indicator
Electric heater indicator
Button lock indicator
Defrost indicator
Display room temperature
/set temperature
Up/Down airflow swing
Left/Right airflow swing
Fahrenheit Temperature
This wired controller should be used with the air-conditioner, it can be used for cooling,
heating, dry and fan etc. Other functions and settings please refer to the specific operation
in this manual.
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℃.
10
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.
COOLING
HEATING
AUTO
FAN ONLY
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.
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:
5. Airflow swing setting
Press and hold “ ” and “ ” buttons for 5s simultaneously to adjust the airflow direction.
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.
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
Basic operation
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11
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.
For the indoor units without ultralow fan speed function, it will be adjusted to run at low fan speed
under the mute mode, with low fan speed mode icon displayed.
Super mode
Silent mode
The silent mode running 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.
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.
With the sleep function, the air conditioner will run in the mode
of comfortable sleep to improve comfort.
Sleep mode
Function set
:
:
12
Clock set
Weekday
Hour
MinuteMinute
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 set mode. Set the clock in the following
sequence:
Press " / " button to select the desired Minute,
press " " button to set next item.
Set HOUR/WEEKDAY by the same method as setting MINUTE.
Press “ ” button or wait for 30s without operation to confirm.
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2
3
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.
Button lock
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.
Filter clean reset
When is displayed on LCD, 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.
(available for models equipped with filter clean prompt function; only professional staff should operate this function.）
Function set
:
13
The Single Daily and weekly timer functions cannot be set at the same time.
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4
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.
Operation:
Press " " button to activate TIMER set, and press “ / ”
until icon DAILY displays on LCD, “TIMER OFF” and clock set starts flickering.
Press “ ” button to enter timer OFF hour set.
Steps are the same as Single TIMER ON/OFF set.
Single TIMER ON/OFF
DAILY ON/OFF TIMER
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
Pressing and hold down the “ / ” button causes the value to
increase continuously and rapidly.
Function set
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14
Weekly Timer Set Procedure
Operation Procedure
Weekly timer can be used to set on/off time respectively for seven days a week. Air conditioner can be on/off in
preset time every day, without manual control. The air conditioner can be set on/off automatically before you wake up in
the morning, back home from work or during sleep at night.
Please set the clock correctly before setting weekly timer.
DAY SELECTION
DAY SELECTION
TIMER ON HOUR
TIMER ON HOUR
TIMER ON MINUTE
TIMER ON MINUTE
TIMER OFF HOUR
TIMER OFF HOUR
TIMER OFF MINUTE
TIMER OFF MINUTE
QUIT
NOTE：
START
Press“ ”button
Press " " button to activate TIMER setting, and press “ / ”
until icon WEEKLY is displayed on LCD
PRESS“TIMER”BUTTON TO ENTER NEXT DAY SETTING(Sun...Sat)
OR
OR
（Turning ON/OFF）
Press the " " button to the next step
Press “ / ” button to select the next day
Weekly Timer
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6
Operation:
Press " " button to activate TIMER setting, and press " "
/ " " until icon WEEKLY is displayed on LCD, “TIMER OFF” ,
weekday and clock set are flickering.
Press “ ” button to enter day of week selection.
Press “ ” / “ ” button to select weekday, display from
Sunday to Saturday.
Press “ ” button to enter TIMER OFF hour setting.
Press “ ” / “ ” button to select desired timer of hour setting,
it can be select from 00-23, or OFF if need to cancel TIMER OFF
function.
Press “ ” button to enter TIMER OFF minute setting.
Press “ ” / “ ” button to select desired timer of minute
setting, it can be selected from 00-59.
Press “ ” button to enter TIMER ON hour setting.
TIMER ON setting is done with the same procedure as TIMER OFF.
Press “ ” button to enter Next day setting, you can set 7 day
timer on/off time as required.
Confirm or quit WEEKLY TIMER setting by pressing “ ” button,
the weekly timer setting screen will be displayed.
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2
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5
Enter “TIMER ON/OFF WEEKLY”mode
“TIMER OFF WEEKLY” weekday selection
“TIMER OFF WEEKLY” hour setting
“TIMER ON WEEKLY” hour setting
“TIMER OFF WEEKLY” minute setting
6
“TIMER ON WEEKLY” minute setting
Function set
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15
Maintenance
Maintenance, troubleshooting and after-sales service
Wipe the LCD or the body of the wired controller with a dry cloth.
If the dirt on the surface cannot be removed, soak the cloth in neutral detergent diluted with water,
squeeze the cloth tightly and clean the surface. Wipe the surface with a dry cloth.
Do not use any thinner, organic solvents, or strong acid.
Troubleshooting and After-sales Service
When the air conditioner malfunctions, will be displayed on the LCD, indicating that error is
occurring, please consult your local dealer or after-sales service.
Error code
Error indicator
© 2017 Hitachi-Johnson Controls Air Conditioning, Inc.
Hitachi-Johnson Controls Air Conditioning, Inc.
Specifications in this document are subject to change without notice, in order that Hitachi-Johnson
Controls Air Conditioning, Inc. may bring the latest innovations to their customers.
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