Mitsubishi Electric CITY MULTI MA PAR-41MAA User manual

<ORIGINAL>
Prior to use, thoroughly read the instructions in this manual to use the product correctly.
Retain for future reference.
Make sure that all the included manuals are passed on to any future users.
To ensure safety and proper operation of the remote controller, the remote controller should
only be installed by qualified personnel.
CITY MULTI Control System
and Mitsubishi Mr. SLIM Air Conditioners
MA Remote Controller
PAR-41MAA
Instruction Book
en WT09533X02

Safety precautions............................................................................. 4
Controller components ...................................................................... 6
Controller interface ................................................................................................. 6
Display .................................................................................................................... 8
Menu structure and icons ................................................................ 10
Menu structure...................................................................................................... 10
Icon explanations.................................................................................................. 13
Basic operations.............................................................................. 14
Power ON/OFF ..................................................................................................... 14
Operation mode, temperature, and fan speed settings ........................................ 15
Navigating through the menu .......................................................... 18
Main menu list....................................................................................................... 18
Restrictions for the sub remote controller ............................................................. 20
Navigating through the Main menu....................................................................... 21
Function settings ............................................................................. 22
Vane•3D i-See•Vent.(Lossnay) ............................................................................. 22
High power............................................................................................................ 27
Manual vane angle ............................................................................................... 28
Timer (On/Off timer).............................................................................................. 33
Timer (Auto-Off timer) ........................................................................................... 36
Weekly timer ......................................................................................................... 38
OU silent mode ..................................................................................................... 41
Night setback ........................................................................................................ 44
Restriction............................................................................................................. 47
Energy saving ....................................................................................................... 53
Energy data (Mr. SLIM only) ................................................................................. 58
Clock..................................................................................................................... 62
Daylight saving time.............................................................................................. 64
Main display.......................................................................................................... 66
Black and white inversion setting.......................................................................... 67
Contrast•Brightness .............................................................................................. 69
Language selection............................................................................................... 70
Initialize remote controller..................................................................................... 72
Remote controller information............................................................................... 74
Troubleshooting............................................................................... 75
Error information ................................................................................................... 75
No occupancy Auto-OFF ...................................................................................... 78
Maintenance.................................................................................... 79
Filter information ................................................................................................... 79
Specifications .................................................................................. 81
Controller specifications........................................................................................ 81
Function list (as of August 1, 2021) ...................................................................... 82
List of functions that can/cannot be used in combination ..................................... 83
Contents

4
Safety precautions
•Thoroughly read the following safety precautions before using the unit.
•Observe these precautions carefully to ensure safety.
WARNING Indicates a risk of death or serious injury.
CAUTION Indicates a risk of serious injury or structural damage.
•After reading this manual, pass it on to the end user to retain for future reference.
•Keep this manual for future reference and refer to it as necessary. This manual should be made available
to those who repair or relocate the controller. Make sure that the manual is passed on to any future
users.
General precautions
WARNING
Do not install the unit in a place where large
amounts of oil, steam, organic solvents, or corrosive
gases, such as sulfuric gas, are present or where
acidic/alkaline solutions or sprays are used
frequently. These substances can compromise the
performance of the unit or cause certain components
of the unit to corrode, which can result in electric
shock, malfunctions, smoke, or fire.
To reduce the risk of shorting, current leakage,
electric shock, malfunctions, smoke, or fire, do not
wash the controller with water or any other liquid.
To reduce the risk of electric shock, malfunctions,
smoke or fire, do not operate the switches/buttons or
touch other electrical parts with wet hands.
When disinfecting the unit using alcohol, ventilate
the room adequately. The fumes of the alcohol
around the unit may cause a fire or explosion when
the unit is turned on.
To reduce the risk of injury or electric shock, before
spraying a chemical around the controller, stop the
operation and cover the controller.
To reduce the risk of injury or electric shock, stop the
operation and switch off the power supply before
cleaning, maintaining, or inspecting the controller.
If any abnormality (e.g., burning smell) is noticed,
stop the operation, turn off the power switch, and
consult your dealer. Continued use of the product
may result in electric shock, malfunctions, or fire.
Properly install all required covers to keep moisture
and dust out of the controller. Dust accumulation and
water can cause electric shock, smoke, or fire.
CAUTION
To reduce the risk of fire or explosion, do not place
flammable materials or use flammable sprays
around the controller.
To reduce the risk of damage to the controller, do not
directly spray insecticide or other flammable sprays
on the controller.
To reduce the risk of environmental pollution, consult
an authorized agency for proper disposal of remote
controller.
To reduce the risk of electric shock or malfunctions,
do not touch the touch panel, switches, or buttons
with a pointy or sharp object.

5
To reduce the risk of injury and electric shock, avoid
contact with sharp edges of certain parts.
To avoid injury from broken glass, do not apply
excessive force on the glass parts.
To reduce the risk of injury, wear protective gear
when working on the controller.
Precautions for moving or repairing the controller
WARNING CAUTION
The controller should be repaired or moved only by
qualified personnel. Do not disassemble or modify
the controller.
Improper installation or repair may cause injury,
electric shock, or fire.
To reduce the risk of shorting, electric shock, fire, or
malfunction, do not touch the circuit board with tools
or with your hands, and do not allow dust to
accumulate on the circuit board.
Additional precautions
To avoid damage to the controller, use appropriate
tools to install, inspect, or repair the controller.
This controller is designed for exclusive use with the
Building Management System by Mitsubishi Electric.
The use of this controller for with other systems or
for other purposes may cause malfunctions.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety.
Children should be supervised to ensure that they do
not play with the appliance.
To avoid discoloration, do not use benzene, thinner,
or chemical rag to clean the controller. To clean the
controller, wipe with a soft cloth soaked in mild
detergent that is diluted with an appropriate amount
of water, and wipe down with a wet cloth followed by
a dry cloth. Do not use the detergent straight.
To avoid damage to the controller, provide protection
against static electricity.
This appliance is intended to be used by expert or
trained users in shops, in light industry and on farms,
or for commercial use by lay persons.
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.

6
Controller components
Controller interface
⑤
⑥
①②③④
⑦ ⑧ ⑨⑩
Function buttons

7
① ON/OFF button
Press to turn ON/OFF the indoor unit.
② SELECT button
Press to save the setting.
③ RETURN button
Press to return to the previous screen.
④ MENU button Page 21
Press to bring up the Main menu.
⑤Backlit LCD
Operation settings will appear.
When the backlight is off, pressing any
button turns the backlight on and it will stay
lit for a certain period of time depending on
the screen.
When the backlight is off, pressing any
button turns the backlight on and does
not perform its function. (except for the
ON/OFF button)
⑥ON/OFF lamp
This lamp lights up in green while the unit
is in operation. It blinks while the remote
controller is starting up or when there is an
error.
⑦Function button F1
Main display: Press to change the
operation mode.
Menu screen: The button function varies
with the screen.
The functions of the function buttons
change depending on the screen. Refer
to the button function guide that
appears at the bottom of the LCD for
the functions they serve on a given
screen.
When the system is centrally
controlled, the button function guide
that corresponds to the locked button
will not appear.
Main display Main menu
Cursor Page
Menu screen
⑧Function button F2
Main display: Press to decrease temperature.
Main menu: Press to move the cursor left.
Menu screen: The button function varies
with the screen.
⑨Function button F3
Main display: Press to increase temperature.
Main menu: Press to move the cursor right.
Menu screen: The button function varies
with the screen.
⑩Function button F4
Main display: Press to change the fan speed.
Menu screen: The button function varies
with the screen.
Function guide
⑦⑧⑨⑩ ⑦⑧⑨⑩
⑦⑧⑨⑩

8
Controller components
@@@Display
The main display can be displayed in two different modes: “Full” and “Basic.”
The factory setting is “Full.” To switch to the “Basic” mode, change the setting
on the Main display setting. (Refer to page 66.)
Full mode
Basic mode
2
5
k
3
4
i
l
j
a
bn cde f g h
0
8
7
9
6
m
1
* All icons are displayed for
explanation.
1
m
n 2
3
4
5

9
①Operation mode Page 15
②Preset temperature Page 16
③Clock
See the Installation Manual.
④Fan speed Page 17
⑤Button function guide
Functions of the corresponding buttons appear
here.
⑥
Appears when the ON/OFF operation is
centrally controlled.
⑦
Appears when the operation mode is centrally
controlled.
⑧
Appears when the preset temperature is
centrally controlled.
⑨
Appears when the filter reset function is
centrally controlled.
⑩ Page 79
Indicates when filter needs maintenance.
⑪Room temperature
See the Installation Manual.
⑫ Page 50
Appears when the buttons are locked.
⑬ Page 33, 36, 44
Appears when the On/Off timer (Page 33),
Night setback (Page 44), or Auto-off timer
(Page 36) function is enabled.
appears when the timer is disabled by the
centralized control system.
⑭ Page 38
Appears when the Weekly timer is enabled.
⑮ Page 53
Appears while the units are operated in the
energy-save mode. (Will not appear on some
models of indoor units)
⑯ Page 41
Appears while the outdoor units are operated in
the silent mode.
⑰
Appears when the built-in thermistor on the
remote controller is activated to monitor the
room temperature (a).
appears when the thermistor on the indoor
unit is activated to monitor the room
temperature.
⑱ Page 23
Indicates the vane setting.
⑲ Page 24
Indicates the louver setting.
⑳ Page 26
Indicates the ventilation setting.
㉑ Page 47
Appears when the preset temperature range is
restricted.
㉒
Appears when an energy-saving operation is
performed using a “3D i-See sensor” function.
㉓Centrally controlled
Appears for a certain period of time when a
centrally-controlled item is operated.
㉔Error display
An error code appears during the error.
* When an error code is displayed on the main
display, an error is occurring but the indoor unit
can keep its operation. Check the error code,
and consult your dealer.
Most settings (except ON/OFF, mode, fan
speed, temperature) can be made from
the Main menu. (Refer to Page 21.)

10
Menu structure and icons
Menu structure
Main menu
Vane•3D i-See•Vent.(Lossnay) ..........................Page 22
High power .......................................Page 27
Comfort
Manual vane angle
Vertical air direction....................Page 28
Horizontal air direction................Page 31
3D i-See sensor ...................................
Refer to the indoor unit Instruction Book.
Timer
On/Off timer .........................................Page 33
Auto-Off timer ......................................Page 36
Weekly timer .......................................Page 38
OU silent mode .......................................Page 41
Night setback .......................................Page 44
Restriction
Temp. range.........................................Page 47
Operation locked..................................Page 50
Energy saving
Auto return...........................................Page 53
Schedule .............................................Page 55
Energy data (Mr. SLIM only)
Energy data (Unit time, month/day).......Page 58
Data reset............................................Page 61
Operation
Timer menu
Energy saving