Hitachi HCWA21NEWH Operating instructions

Brand: Hitachi

Model: HCWA21NEWH

Category: Split-system air conditioners

Type: Operating instructions

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.

！

● 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.

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.

！

Safety Precautions

！

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.

●

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.

！

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!

Checking accessories

Wired Controller Installation

How to install

*Lead out the wire toward the arrow

direction!

①

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

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

boot

When “boot” blinks, press “ ” to restore to

factory default and quit parameter set.

Temperature display setting

0-Display the set temperature;

1-Display the indoor environment

temperature

The

factory

setting

defaults to

Temperature measurement

unit display setting

0-Display in Celsius;

1-Display in Fahrenheit degree

Cooling only setting

0-Heat pump type air conditioner;

Cooling only air conditioner

Temperature limits revision

setting

0-Not permitted; 1-Permitted

Environment temperature

revision setting

0-Not permitted;1-Permitted

Self-setting parameter code

Function code

The method of setting the custom parameters

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.

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.

Temp. limit setting (cooling mode) Temp. limit setting (heating mode)

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

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

Wired Controller Installation

Wired controller

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.

LIQUID CRYSTAL DISPLAY(LCD) SCREEN

1 2

Wired Controller Introduction

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.

. 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℃.

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

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

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.

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

The Single Daily and weekly timer functions cannot be set at the same time.

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

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

TIMER ON HOUR

TIMER ON MINUTE

TIMER OFF HOUR

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)

（Turning ON/OFF）

Press the " " button to the next step

Press “ / ” button to select the next day

Weekly Timer

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.

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

“TIMER ON WEEKLY” minute setting

Function set

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

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.

Hitachi HCWA21NEWH Operating instructions

Brand: Hitachi

Model: HCWA21NEWH

Category: Split-system air conditioners

Type: Operating instructions

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Hitachi HCWA21NEWH Operating instructions

Hitachi HCWA21NEWH Operating instructions

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