Mitsubishi Heavy Industries RC-EXZ3A User manual

REMOTE CONTROL RC-EXZ3A
USER'S MANUAL
Thank you very much for your purchasing the REMOTE CONTROL for our
packaged air conditioner.
This user's manual describes cautions for safety. Please read this manual carefully before use in order to operate the unit properly.
Keep this manual, after reading, at a safe place where you can consult it whenever it is necessary.
When the ownership of the unit is changed, please be sure to transfer this manual and the “Installation Manual”to a new owner.
It is not recommended for a user to install or move the unit by the user's own discretion. (Safety or functions may not be assured.)
PJZ012A185
201907
ORIGINAL INSTRUCTIONS

−1−
Contents
1. Before you use ………………………2
Safety precautions ………………………………… 2
Precautions for waste disposal …………………… 3
8QLWVSHFL¿FDWLRQV ………………………………… 3
Names and functions of sections on the R/C………… 4
Menu item ………………………………………… 7
2. Menu items ……………………………9
Run ……………………………………………… 9
Stop ……………………………………………… 9
Change operation mode ………………………… 10
Change set temp ……………………………… 10
&KDQJHÀDSGLUHFWLRQ ……………………………… 11
Change the fan speed …………………………… 14
Zone ON/OFF operation …………………………… 14
Zone name setting ………………………………… 15
F1/F2 switch operation …………………………… 16
Anti draft ON/OFF operation ……………………… 17
High power operation ……………………………… 18
Energy-saving operation…………………………… 19
3. Quick reference of menu items …20
Quick reference of menu items …………………… 20
Restrictions on the sub R/C………………………… 22
Operations on menu screens ……………………… 23
Cautions for each setting screen …………………… 24
4. Settings and operations ………… 25
Energy-saving setting……………………………… 25
,QGLYLGXDOÀDSFRQWURO ……………………………… 31
Anti draft setting…………………………………… 35
Ventilation operation ……………………………… 37
Initial settings……………………………………… 38
Timer …………………………………………… 42
Weekly timer ……………………………………… 50
Home leave mode ………………………………… 54
Registering favorite settings ……………………… 57
Favorite setting operation ………………………… 58
Administrator settings……………………………… 59
Silent mode control………………………………… 72
Select the language ……………………………… 73
Filter sign reset …………………………………… 74
5. Maintenance of unit and LCD…… 75
Maintenance of unit and LCD ……………………… 75
6. Useful information………………… 76
Contact company & Error display…………………… 76
7. Notice of inspection date………… 77
8. Message display ………………… 77
9. After-sale service ………………… 81
Please turn on the power switch 6 hours before
operation to protect the air conditioner (the crank case
heater is conducted and the compressor is heated).
Also, be sure not to turn off the power switch (the
crank case heater is conducted and the compressor
is heated during stop of the compressor. It protect the
fault of the compressor caused by liquid refrigerant
stagnation).
Note

−2−
1. Before you use
Safety precautions
●Please read the precautions written here carefully to operate the unit properly.
You are required to observe these fully because every item of these instructions is important for safety.
WARNING Failure to follow these instructions may result in serious consequences
such as death, severe injury, etc.
CAUTION
Failure to follow these instructions may cause injury, property damage or, serious
consequences depending on.
●The following pictograms are used in the text.
Never do. Always follow the instructions given.
Absolutely keep water away. Absolutely keep wet hands away.
●Keep this manual at a safe place where you can consult with whenever necessary. Show this
manual to installers when moving or repairing the unit. When the ownership of the unit is
transferred, this manual should be given to a new owner.
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WARNING
Consult your dealer or a professional contractor to install the unit.
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Consult your dealer when moving, disassembling or repairing the unit.
Never modify the unit.
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Avoid using combustible substances (hair spray, insecticide, etc)
near the unit.
Do not use benzene or paint thinner to clean the unit.
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Stop operation under abnormal situation.
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If any abnormal condition (burnt odor etc.) occurs, stop operation, turn off the power
switch and consult your dealer.
This appliance can be used by children aged from 8 years and above
and persons with reduced physical, sensory or mental capabilities or
lack of experience and knowledge if they have been given supervision
or instruction concerning use of the appliance in a safe way and
understand the hazards involved.
CAUTION
Do not use or let use the unit or remote control as play equipment.
Improper operations could cause ill health or health disorder.

−3−
8QLWVSHFL¿FDWLRQV
Precautions for waste disposal
YourAir Conditioning product may be marked with this symbol. It means that waste electrical and
electronic equipment (WEEE as in directive 2012/19/EU) should not be mixed with general
household waste.Air conditioners should be treated at an authorized treatment facility for re-use,
recycling and recovery and not be disposed of in the municipal waste stream. Please contact the installer
or local authority for more information.
Never disassemble the remote control.
If you touch internal parts accidentally, you could get electric shocks or cause trouble.
Consult your dealer when it is necessary to inspect its interior.
Do not wash the remote control with water or liquid.
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Do not touch electric parts or operate buttons or screens with wet hands.
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Do not dispose the remote control by yourself.
It could destruct the environment.Ask your dealer when it is necessary to dispose the
remote control.
Note
The remote control should not be installed where it is exposed to
direct sunlight or the ambient temperatures become higher than 40°C
or lower than 0°C.
It could cause deformation, discoloration or break-down.
Do not use benzene, paint thinner, wipes etc. to clean the remote control.
It could discolor or break-down the remote control. Wipe it with a piece of cloth which is
squeezed tightly after wetting with diluted neutral detergent. Finish up the cleaning by
wiping with a piece of dry cloth.
Do not pull or twist the cable of the remote control.
It could cause break-down.
Do not tap the remote control buttons or screen with pointed objects.
It could damage or cause break-down.
Item Description
Product dimensions 120 (W) x 120 (H) x 19 (D) mm (not including protruded section)
Weight 0.20 kg
Power supply DC 18 V
Power consumption 0.6 W
Usage environment Temperature: 0 to 40 °C
Material Casing:ABS

−4−
①Run/Stop switch
One push on the button starts operation and another
push stops operation. (☞page 9)
②F1 switch ③F2 switch
This switch starts operation that is set in F1/F2
function setting (☞page 71).
(☞page 16)
④Operation lamp
This lamp lights in green (yellow-green) during
operation. It changes to red (orange) if any error
occurs.
Operation lamp luminance can be changed.
(☞page 42)
⑤LCD (With backlight)
Atap on the LCD lights the backlight.
The backlight turns off automatically if there is no
operation for certain period of time.
Lighting period of the backlight lighting can be
changed. (☞page 41)
If the backlight is ON setting, when the screen is
tapped while the backlight is turned off, the backlight
only is turned on. (Operations with switches ①, ②
and ③are excluded.)
⑥USB port
USB connector (mini-B) allows connecting to a
personal computer.
For operating methods, refer to the instruction
manual attached to the software for personal
computer (remote control utility software).
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than the ①Run/Stop, ②F1 ③F2 switches.
⑤LCD (With backlight)
Names and functions of sections on the R/C (Operating section)
③F2 switch
④Operation lamp
⑥USB port (mini-B)
①Run/Stop switch
②F1 switch
Note
・When connecting to a personal computer, do not connect
simultaneously with other USB devices.
Please besure to connect to the computer directly, without going
through a hub, etc.

−5−
Names and functions of sections on the R/C (Display)
＊All icons are shown for the sake of explanation.
⑫F1
， F2 switch
function display
①Clock, Room name
display
④Change operation
mode button
TOP screen
⑧Timer button
②Icon display
③Menu button
⑤Change set temp
button
⑥&KDQJHÀDS
direction button
⑦Change the fan
speed button
⑨Select the
language button
⑪Message display
⑩ Zone operation
button

−6−
①Clock, Room name display
Displays the current time and the room name.
②Icon display
Each icon is displayed when one of following settings is
going on.
When the demand
control is effective. When setting is made from the sub R/C.
When the central
control (Optional) is running.
When the periodical
inspection is necessary.
During the ventilation
operation.
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When the Permission/
Prohibition setting is made.
When the peak-cut
timer is set.
When the weekly timer
is set.
③Menu button
When setting or changing other than the following ④-⑧,
tap the menu button. Then menu items are displayed, select
one and set.
④
Change operation mode button
Displays the operation mode which is selected currently.
Tap this button to change the operation mode.
⑤Change set temp button
Displays the temperature which is set currently. Tap this
button to change the set temperature.
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⑦Change the fan speed button
Displays the fan speed which is selected currently. Tap this button
to change the fanspeed.
⑧Timer button
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currently.
(When two or more timers are set, contents of the timer
which will be operated immediately after is displayed.)
Tap this button to set the timer.
⑨Select the language button
Select a language to be displayed on the R/C.
⑩Zone operation button
Tap this button to go to the zone operation screen.
⑪Message display
Status of air conditioner operation and messages of the
R/C operations etc. are displayed.
⑫F1 ，F2 switch function Display
Displays the function that is set for each F1 ，F2
switch.
The function for these switches can be changed in F1/F2
function setting.

−7−
Menu item
Main menu
Run………………………………………………………………………………………… 9
Stop………………………………………………………………………………………… 9
Change operationmode ………………………………………………………………… 10
Change set temp ………………………………………………………………………… 10
  &KDQJHÀDSGLUHFWLRQ …………………………………………………………………… 11
C
hange the fan speed …………………………………………………………………… 14
Zone ON/OFF operation ………………………………………………………………… 14
Zone name setting………………………………………………………………………… 15
F1, F2 switch operation…………………………………………………………………… 16
Anti draft ON/OFF operation …………………………………………………………… 17
H
igh power operation …………………………………………………………………… 18
Energy-saving operation ………………………………………………………………… 19
  ,QGLYLGXDOÀDSFRQWURO……………………………………………………………………… 31
Anti draft setting…………………………………………………………………………… 35
Timer ……………………………………………………………………………………… 42
Set ON timer by hour …………………………………………………… 44
Set OFF timer by hour ………………………………………………… 46
Set ON timer by clock…………………………………………………… 47
Set OFF timer by clock ………………………………………………… 49
 &RQ¿UP…………………………………………………………………… 50
Favorite setting …………………………………………………………………………… 57
Weekly timer ……………………………………………………………………………… 50
Homeleave mode………………………………………………………………………… 54
External ventilation ……………………………………………………………………… 37
S
elect the language ……………………………………………………………………… 73
Silent mode control ……………………………………………………………………… 72
Sleep timer………………………………………………………………………………… 25
Peak-cut timer …………………………………………………………………………… 26
Automatic temp set back ………………………………………………………………… 29
Motion sensor control …………………………………………………………………… 30
Filter signreset …………………………………………………………………………… 74
Initialsettings……………………………………………………………………………… 38
Clock setting …………………………………………………………… 38
Date & time display……………………………………………………… 39
Summer time …………………………………………………………… 40
Contrast ………………………………………………………………… 40
Backlight ………………………………………………………………… 41
Controller sound ………………………………………………………… 41
Operationlamp luminance ……………………………………………… 42
Administrator settings …………………………………………………………………… 59
Permission/Prohibitionsetting ………………………………………… 60
Outdoor unit silent mode timer ………………………………………… 61
Setting temp range ……………………………………………………… 62
T
emp increment setting ………………………………………………… 64
Set temp display ………………………………………………………… 64
R/C display setting ……………………………………………………… 65
Change administrator password ……………………………………… 70
F1/F2 function setting …………………………………………………… 71
Basic operation
Useful functions
Energy-saving setting
Filter
User setting

−8−
Main menu
Installation settings
Installationdate ………………………………………………………… 29
Company information …………………………………………………… 29
Test run…………………………………………………………………… 29
Duct unit settings………………………………………………………… 29
C
hange auto-address…………………………………………………… 29
Address setting of main IU……………………………………………… 29
IU back-up function……………………………………………………… 29
Motion sensor setting …………………………………………………… 29
R/C function settings
Main/Sub of R/C ………………………………………………………… 29
Returnair temp ………………………………………………………… 29
R/C sensor ……………………………………………………………… 29
R/C sensor adjustment ………………………………………………… 29
Operationmode ………………………………………………………… 29
ºC / ºF …………………………………………………………………… 29
Fan speed ……………………………………………………………… 29
Externalinput …………………………………………………………… 29
  8SSHUORZHUÀDSFRQWURO ………………………………………………… 29
  /HIWULJKWÀDSFRQWURO …………………………………………………… 29
Ventilationsetting ……………………………………………………… 29
Auto-restart ……………………………………………………………… 29
Auto temp setting ……………………………………………………… 29
Auto fan speed ………………………………………………………… 29
IU settings
Fan speedsetting ……………………………………………………… 29
Filter sign ………………………………………………………………… 29
Externalinput1 ………………………………………………………… 29
Externalinput1signal…………………………………………………… 29
External input 2 ………………………………………………………… 29
External input 2 signal…………………………………………………… 29
Heating thermo-OFF temp adjustment ……………………………………………… 29
Return temperature adjustment………………………………………… 29
Fan control in cooling thermo-OFF ……………………………………… 29
Fan control in heating thermo-OFF ……………………………………… 29
Anti-frost temp…………………………………………………………… 29
Anti-frost control ………………………………………………………… 29
Drainpump operation…………………………………………………… 29
Keep fan operating after cooling is stopped ……………………………………………………29
Keep fan operating after heating is stopped ……………………………………… 29
Intermittent fan operation in heating ……………………………………… 29
Fan circulator operation ………………………………………………… 29
Control pressure adjust ………………………………………………… 29
Auto operation mode …………………………………………………… 29
Thermo. rule setting …………………………………………………… 29
Auto fan speedcontrol ………………………………………………… 29
IU overloadalarm ……………………………………………………… 29
External output setting ………………………………………………… 29
Service & Maintenance
IU address ……………………………………………………………… 29
Next service date………………………………………………………… 29
Operationdata…………………………………………………………… 29
Error display……………………………………………………………… 29
SavingIUsettings ……………………………………………………… 29
Specialsettings ………………………………………………………… 29
Indoor unit capacity display …………………………………………… 29
Contact company ………………………………………………………………………… 76
Service setting
Contact company
Please refer to the
installation manual.
Please refer to the
installation manual.
Please refer to the
installation manual.
Please refer to the
installation manual.