Mitsubishi Electric PZ-62DR-E User manual

English
Prior to use, thoroughly read the instructions in this manual to use the product correctly.
Retain for future reference.
Make sure to hand this manual to any future users.
To ensure safety and proper operation of the remote controller, the remote controller should only be
installed by qualified personnel.
Lossnay Remote Controller
MODEL
PZ-62DR-E
Instruction Book
2105875H16901

Eng-2
Lossnay
Product features
Feature 1
Large, easy-to-see display
Full-dot LCD display with large characters
for easy viewing
Feature 2
Simple button arrangement
Feature 3
Large, easy-to-press buttons
Buttons are arranged according
to usage to allow for intuitive
navigation.
Frequently used buttons are larger
than other buttons to prevent
unintended pressing of other
buttons.

Eng-3
Contents
Safety precautions .................................... 4
Names and functions of controller components ......... 6
Controller interface ....................................................6
Display.......................................................................8
Basic operations .......................................... 12
Power ON/OFF........................................................12
Power ON/OFF during Night-purge operation.........12
Fan speed................................................................13
Ventilation mode......................................................13
Maintenance ................................................. 50
Troubleshooting ............................................ 45
Specifications ................................................ 53
Read before operating the controller ......... 10
Menu structure.........................................................10
Icon explanations..................................................... 11
Main menu list .........................................................14
Restrictions for the sub remote controller................ 15
Navigating through the Main menu..........................16
Clock........................................................................18
Contrast...................................................................19
Language selection .................................................20
Fan speed timer.......................................................22
Timer .......................................................................24
Weekly timer............................................................28
Night purge setting ..................................................30
Airflow......................................................................32
Auto bypass.............................................................35
External input...........................................................36
Function setting .......................................................37
Initializing.................................................................39
Restriction................................................................41
Maintenance interval ...............................................43
Navigating through the menu ...................... 14
Initial setting .................................................. 18
User options .................................................. 22
Detailed function setting .............................. 32

Eng-4
WARNING
• Thoroughly read the following safety precautions before using the unit.
• Observe these precautions carefully to ensure safety.
CAUTION
Indicates a risk of death or serious injury.
Indicates a risk of serious injury or structural damage.
WARNING
Safety precautions
• 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
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.
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.
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.
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 display or buttons with a
pointy or sharp object.

Eng-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.
Do not pull or twist the communication cables.
Pulling or twisting a cable may result in fire or
equipment failure.
To avoid discoloration, do not use benzene, thinner,
ethanol,hypochlorous acid or chemical rag to clean
the controller. To clean the controller, wipe with a
soft cloth soaked in water with mild detergent, wipe
off the detergent with a wet cloth, and wipe off water
with a dry cloth.
This controller is designed for exclusive use with
the Lossnay by Mitsubishi Electric. The use of this
controller for other systems or for other purposes
may cause malfunctions.
To avoid damage to the controller, provide protection
against static electricity.

Eng-6
Names and functions of controller components
Controller interface
Function buttons
5
6
1234
7 8 9 0

Eng-7
Press to turn ON/OFF the Lossnay unit.
1ON/OFF button
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.
Press to save the setting.
Main menu: Press to move the cursor down.
Press to return to the previous screen.
Main display: Press to change the fan speed.
Main menu: Press to move the cursor up.
Press to bring up the Main menu.
Main display: Press to change the ventilation mode
Main menu: Press to go to the previous page.
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.
Main menu: Press to go to the next page.
6ON/OFF lamp
2SELECT button
7Function button F1
3RETURN button
8Function button F2
4MENU button Page 16
9Function button F3
5Backlit LCD
0Function button F4
When the backlight is off, pressing any
button turns the backlight on and does
not perform its function. (except for the
ON/OFF button)
Main
Main display:
Cursor
Main menu
User options
Commissioning
Maintenance
Lossnay 12: Sun
Outdoor
2°C
Return
2 °C
Supply
15°C
Fan Mode
Auto
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 or button is locked,
the button function guide that
corresponds to the locked button will
not appear.
Main display Main menu
Function guide
7 8 9 0 7 8 9 0

Eng-8
Lossnay 12: Sun
Outdoor
2°C
Return
2°C
Supply
15°C
Fan Mode
Auto
1
5
6
9b a0 e f
7
8
c
3d g
4
2
h
Names and functions of controller components
Display
* All icons are displayed for explanation.

Eng-9
Fan speed setting appears here.
3 Fan speed Page 13
Appears when the night-purge function is
available.
Appears when performing operation to protect
the equipment.
Appears when the ON/OFF operation is centrally
controlled.
Current time appears here.
Appears when the buttons are locked and/or a
fan speed is skipped.
Lossnay is always displayed.
aPage 30
b
5
8Page 41
1 Remote controller name
Indicates the ventilation mode setting.
d Ventilation mode Page 13
Appears when external fan speed operation.
Appears when operation interlocked with external
unit.
Appears when the On/Off timer (Page 24), or
Auto-off timer (Page 26) function is enabled.
e
f
9Page 24, 26
Indicates when filter and/or Lossnay core needs
maintenance.
Appears when the filter reset function is centrally
controlled.
7Page 50
6
Appears when the Weekly timer is enabled.
0Page 28
Appears when external ventilation mode
operation.
The indicated values are detected value by the
sensor installed in the Lossnay unit.
It could be different from the actual indoor or
outdoor temperature.
Set the display in Display details.
g
h
Temperature or CO2concentration
Functions of the corresponding buttons appear
here.
4 Button function guide
Appears when performing the power supply/
exhaust function, the delay operation at the start
of operation, or fan speed timer.
c
Most settings (EXCEPT ON/OFF, fan speed, ventilation mode) can be made from the Menu
screen. (Refer to page 16)
Sensor value indicates in the following
display ranges.
- Outdoor temperature: 2 to 36 ºC
- Return temperature: 9 to 37 ºC
- Supply temperature (calculated value):
9 to 37 ºC
- CO2concentration:400 to 2000 ppm
“LO” or “HI” indicates when other than
these conditions.
2 Clock Page 18
(See the Installation Manual.)

Eng-10
Read before operating the controller
Menu structure
Main menu
Main display
User options
Commissioning
Maintenance
Fan speed timer
Timer
Weekly timer
Night-purge setting
Auto bypass
External input
Restriction
Service
Error information
Error history
Run time
Maintenance interval
On/Off timer
Auto-Off timer
Main/Sub
Clock
Contrast
Display details
Administrator password
Language selection
Airflow
Initial setting
CO2control
Operation locked
Page 22
Page 24
Page 26
Page 28
Page 30
Refer to the Installation Manual.
Page 18
Page 19
Refer to the Installation Manual.
Refer to the Installation Manual.
Page 20
Page 32
Page 35
Page 36
Refer to the Installation Manual.
Page 37
Page 39
Page 41
Page 45
Page 48
Page 49
Page 43
Page 50
Press the button.
Move the cursor to the
desired item with the
, , ,and
buttons, and press the
button.
Input maintenance info.
Initializing
Function setting