Mitsubishi PKFY-P-NFMU-E, PLFY-P-NAMU-E, PKFY-P-NGMU-E, PCFY, PLFY OPERATION MANUAL

...

Air-Conditioners For Building Application

INDOOR UNIT

PLFY-P·NAMU-E / PKFY-P·NAMU-E / PKFY-P·NGMU-E PKFY-P·NFMU-E / PMFY-P·NBMU-E / PCFY-P·NGMU-E / PLFY-P·NCMU-E

OPERATION MANUAL

For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit.

MANUAL DE INSTRUCCIONES

Lea este manual de instrucciones hasta el final antes de poner en marcha la unidad de aire acondicionado para garantizar un uso seguro y correcto.

FOR USER

PARA EL USUARIO

English

Español

Contents

1. Safety Precautions ............................................................. 2

2. Parts Names ....................................................................... 2

3. Screen Configuration .......................................................... 5

4. Setting the Day of the Week and Time ............................... 5

5. Operation ............................................................................ 5

6. Timer ................................................................................... 7

1. Safety Precautions

s Before installing the unit, make sure you read all the

“Safety Precautions”.

s The “Safety Precautions” provide very important points

regarding safety. Make sure you follow them.

s Please report to or take consent by the supply author-

ity before connection to the system.

Warning:

• The unit must not be installed by the user. Ask the dealer or an authorized company to install the unit. If the unit is installed improperly, water leakage, electric shock or fire may result.

• Do not stand on, or place any items on the unit.

• Do not splash water over the unit and do not touch the unit with wet hands. An electric shock may result.

• Do not spray combustible gas close to the unit. Fire may result.

• Do not place a gas heater or any other open-flame appliance where it will be exposed to the air discharged from the unit. Incomplete combustion may result.

• Do not remove the front panel or the fan guard from the outdoor unit when it is running.

• Never repair the unit or transfer into another site by yourself.

7. Other Functions ................................................................ 10

8. Function Selection ............................................................ 11

9. Care and Cleaning ............................................................ 15

10. Trouble Shooting ............................................................... 16

11. Specifications.................................................................... 17

Symbols used in the text

Warning: Describes precautions that should be observed to prevent danger of injury or death to the user.

Caution: Describes precautions that should be observed to prevent damage to the unit.

Symbols used in the illustrations

: Indicates a part which must be grounded.

• When you notice exceptionally abnormal noise or vibration, stop

operation, turn off the power switch, and contact your dealer.

• Never insert fingers, sticks etc. into the intakes or outlets.

• If you detect odd smells, stop using the unit, turn off the power

switch and consult your dealer. Otherwise, a breakdown, electric shock or fire may result.

• This air conditioner is NOT intended for use by children or infirm

persons without supervision.

• Young children must be supervised to ensure that they do not play

with the air conditioner.

• If the refrigeration gas blows out or leaks, stop the operation of the

air conditioner, thoroughly ventilate the room, and contact your dealer.

Caution:

• Do not use any sharp object to push the buttons, as this may damage the remote controller.

• Never block or cover the indoor or outdoor unit’s intakes or outlets.

• Never wipe the remote controller with benzene, thinner, chemical rags, etc.

Disposing of the unit

When you need to dispose of the unit, consult your dealer.

2. Parts Names

■ Indoor Unit

PLFY-P·NAMU-E PKFY-P·NAMU-E PKFY-P·NGMU-E PKFY-P·NFMU-E Fan steps 4 steps 4 steps 4 steps 2 steps Vane Auto with swing Auto with swing Auto with swing Auto with swing Louver – Manual Manual Manual Filter Long-life Normal Normal Normal Filter cleaning indication 2,500 hr 100 hr 100 hr 100 hr

PMFY-P·NBMU-E PCFY-P·NGMU-E PLFY-P·NCMU-E Fan steps 4 steps 4 steps 3 steps Vane Auto with swing Auto with swing Auto with swing Louver Manual Manual – Filter Normal Long-life Long-life Filter cleaning indication 100 hr 2,500 hr 2,500 hr

2. Parts Names

■ PLFY-P·NANU-E

4-way Ceiling Cassette

Filter

Air intake

■ PKFY-P·NAMU-E/PKFY-P·NGMU-E

Wall Mounted * Figure shows PKFY-P·NGMU-E.

Filter

Louver

Air intake

Air outlet

Vane

Air outlet

■ PMFY-P·NBMU-E

1-way Ceiling Cassette

Air outlet

Filter

■ PKFY-P·NFMU-E

Wall Mounted

Louver

Vane

Air inlet

Filter

Louver

Air intake

Vane

Air outlet

■ PCFY-P·NGMU-E

Ceiling Suspended

Air outlet

Vane

Air intake

Louver

Filter

■ PLFY-P·NCMU-E

2 × 2 Ceiling Cassette

Filter

Air intake

Vane

Air outlet

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2. Parts Names

■ Wired Remote-Controller

Display Section

For purposes of this explanation, all parts of the display are shown as lit. During actual operation, only the relevant items will be lit.

Identifies the current operation

Shows the operating mode, etc. * Multilanguage display is sup-

ported.

“Centrally Controlled” indicator

Indicates that operation of the remote controller has been prohibited by a master controller.

“Timer is Off” indicator

Indicates that the timer is off.

Temperature Setting

Shows the target temperature.

Operation Section

Day-of-Week

Shows the current day of the week.

Time/Timer Display

Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, shows the time remaining.

TIME SUN MON TUE WED THU FRI SAT TIMER AFTER

ERROR CODE

˚F˚C

ONLY1Hr.

Up/Down Air Direction indicator

The indicator shows the direction of the outcoming airflow.

“One Hour Only” indicator

Displayed if the airflow is set to weak and downward during COOL or DRY mode. (Operation varies according to model.) The indicator goes off after one hour, at which time the airflow direction also changes.

Room Temperature display

Shows the room temperature. The room temperature display range is 8 - 39 °C, 46 - 102 °F. The display flashes if the temperature is less than 8 °C, 46 °F or 39 °C, 102 °F or more.

Louver display

Indicates the action of the swing louver. Does not appear if the louver is stationary.

Indicates that the power is on.

OFF

AFTER

FUNCTION

FILTER

WEEKLY

SIMPLE

AUTO OFF

(Power On indicator)

“Sensor” indication

Displayed when the remote controller sensor is used.

“Locked” indicator

Indicates that remote controller buttons have been locked.

“Clean The Filter” indicator

Comes on when it is time to clean the filter.

Timer indicators

The indicator comes on if the corresponding timer is set.

Fan Speed indicator

Shows the selected fan speed.

Ventilation indicator

Appears when the unit is running in Ventilation mode.

Set Temperature buttons

Down

Timer Menu button (Monitor/Set button)

Mode button (Return button)

Set Time buttons

Back

Ahead

Timer On/Off button (Set Day button)

Opening the door.

Note:

Built-in temperature sensor

ON/OFF button

Fan Speed button

Filter button (<Enter> button)

Test Run button

Check button (Clear button)

Airflow Up/Down button

Louver button ( Operation button)

To preceding operation number.

Ventilation button

Operation button)

(

To next operation number.

● “PLEASE WAIT” message This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.

● Operation mode flashing display When multiple indoor units are connected to a single outdoor unit and an operation mode is selected for one indoor unit that is different from the current operation mode of another indoor unit, the operation mode display flashes. Select the same operation mode of the other indoor unit.

● “NOT AVAILABLE” message When the same remote controller is used to operate multiple indoor units, this message is displayed if the main indoor unit is not equipped with the selected function.

● Room temperature display The indoor unit temperature sensors or the remote controller temperature sensor can be selected to measure the room temperature. The indoor unit temperature sensors are the initial setting. When the indoor unit temperature sensors are selected to measure the room temperature, the room temperature measured at the main indoor unit is displayed on the remote controller that operates multiple indoor units.

TIME SUN

3. Screen Configuration

˚F

TIMER

MON

OFF

WEEKLY

SUN MON TUE WED THU FRI SAT

WEEKLY

˚F

TIME SUN

˚F

TIME SUN

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

˚F

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

6 4 5

8 7

1 5

Function Selection of remote controller

ADC

Standard Control Screens

OFF ON

Timer Monitor Timer Setup

Set Day/Time

4. Setting the Day of the Week and Time

For details on setting the language and temperature display for the remote controller display, refer to section 8. Function Selection. The initial language setting is English. The initial temperature display setting is °C. Please change the setting to °F in section 8. Function Selection.

● Function Selection of remote controller: Set the functions and ranges available to the remote controller (timer functions, operating restrictions, etc.)

● Set Day/Time: Set the current day of the week or time.

● Standard Control Screens:

View and set the air conditioning system’s oper- ating status

● Timer Monitor: View the currently set timer (weekly timer, sim- ple timer, or Auto Off timer)

● Timer Setup: Set the operation of any of the timers (weekly timer, simple timer, or Auto Off timer).

<How to change the screen> A :Hold down both the Mode button and the Timer On/Off button for 2

seconds.

B :Press the Timer Menu button. C :Press the Mode (Return) button. D :Press either of the Set Time buttons ( or ).

Day of the Week & Time display

Note: The day and time will not appear if clock use has been disabled at Function Selection of remote controller.

5. Operation

Day of the Week Setting

Time Setting

1. Press the or Set Time button A to show display 2.

2. Press the Timer On/Off (Set Day) button 9 to set the day.

* Each press advances the day shown at 3 : Sun → Mon → ... → Fri →

Sat.

3. Press the appropriate Set Time button A as necessary to set the time.

* As you hold the button down, the time (at 4) will increment first in

minute intervals, then in ten-minute intervals, and then in one-hour intervals.

4. After making the appropriate settings at Steps 2 and 3, press the Filter

button 4 to lock in the values.

5.1. Turning ON/OFF

■ Press the ON/OFF button 1.

• The ON lamp 1 and the display area come on.

Note:

● When the unit is restarted, initial settings are as follows.

Remote Controller settings Mode Temperature setting Fan speed

Airflow up/down

Last operation mode

Last set temperature

Last set fan speed

COOL or DRY

Mode HEAT

FAN

Horiz. outlet Last setting Horiz. outlet

5. Operation

■ Press the ON/OFF button 1 again.

• The ON lamp 1 and the display area go dark.

Note: Even if you press the ON/OFF button immediately after shutting down the operation is progress, the air conditioner will not start for about three minutes. This is to prevent the internal components from being damaged.

5.2. Mode select

■ Press the operation mode ( ) button 2 and select the op- eration mode 2.

Cooling mode

Drying mode

Fan mode

Heating mode

Automatic (cooling/heating) mode

Ventillation mode *1

Only indicated on the following condition

Wired remote controller used LOSSNAY connected

Automatic operation

■ According to a set temperature, cooling operation starts if the room temperature is too hot and heating operation starts if the room temperature is too cold.

■ During automatic operation, if the room temperature changes and remains 3 °F or more above the set temperature for 3 minutes, the air conditioner switches to cooling mode. In the same way, if the room temperature remains 3 °F or more below the set temperature for 3 minutes, the air conditioner switches to heating mode.

Cooling mode

3 minutes (switches from cooling to heating )

■ Because the room temperature is automatically adjusted in order to maintain a fixed effective temperature, cooling operation is performed a few degrees warmer and heating operation is performed a few degrees cooler than the set room temperature once the temperature is reached (automatic energy-saving operation).

3 minutes (switches from heating to cooling)

Set temperature +3 °F

Set temperature

Set temperature -3 °F

5.3. Temperature setting

sTo decrease the room temperature:

Press button 3 to set the desired temperature.

The selected temperature is displayed 3.

sTo increase the room temperature:

Press button 3 to set the desired temperature.

The selected temperature is displayed 3.

• Available temperature ranges are as follows: Cooling/Drying: 67 - 87 °F Heating: 63 - 83 °F Automatic: 67 - 83 °F

• The display flashes either 46 °F - 102 °F to inform you if the room tem-

perature is lower or higher than the displayed temperature.

5.4. Fan speed setting

■ Press the Fan Speed button 5 as many times as necessary while the

system is running.

• Each press changes the force. The currently selected speed is shown at 5.

• The change sequence, and the available settings, are as follows.

FAN SPEED

4-speed

model

3-speed

model

2-speed

model

Speed 1 Speed 2 Speed 3 Speed 4

Speed 1 Speed 2 Speed 3

Display

• PLFY-P·NCMU-E has 3-speed (speed1/speed2/speed3)

• PKFY-P·NFMU-E has 2-speed (speed1/speed2)

Note:

● The number of available fan speeds depends on the type of unit connected. Note also that some units do not provide an “Auto” setting.

● In the following cases, the actual fan speed generated by the unit will differ from the speed shown the remote controller display.

1. While the display is showing “STAND BY” or “DEFROST”.

2. When the temperature of the heat exchanger is low in the heating mode.

(e.g. immediately after heating operation starts)

3. In HEAT mode, when room temperature is higher than the temperature

setting.

4. When the unit is in DRY mode.

5.5. Airflow direction setting

■ With the unit running, press the Airflow Up/Down button 6 as necessary.

• Each press changes the direction. The current direction is shown at 6.

• The change sequence, and the available settings, are as follows.

Horiz. 1 2 3 4 Swing

Display

* Note that during swing operation, the directional indication on the

screen does not change in sync with the directional vanes on the unit.

* Some models do not support directional settings.

• PKFY-NAMU-E has no swing display.

Note:

● Available directions depend on the type of unit connected. Note also that some units do not provide an “Auto” setting.

● In the following cases, the actual air direction will differ from the direction indicated on the remote controller display.

1. While the display is showing “STAND BY” or “DEFROST”.

2. Immediately after starting heater mode (while the system is waiting for

the mode change to take effect).

3. In heat mode, when room temperature is higher than the temperature set-

ting.

5. Operation

˚F

SUN

WEEKLY

˚F

SUN

WEEKLY

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

42 3

A9 78

■ Press the louver button 7 as necessary.

• The louver image 7 appears. Each press of the button switches the setting as follows.

No display (Stop)

(ON) (OFF)

During swing operation, the arrow display move to the left and right.

5.6. Ventillation

sFor LOSSNAY combination

5.6.1. For Wired Remote-controller

● To run the ventilator together with the indoor unit:

■ Press the ON/OFF button 1.

• The Vent indication appears on the screen (at 8). The ventilator will

now automatically operate whenever the indoor unit is running.

6. Timer

6.1. For Wired Remote-controller

You can use Function Selection of remote controller to select which of three types of timer to use: 1 Weekly timer, 2 Simple timer, or 3 Auto Off timer.

6.1.1. Weekly Timer

■ The weekly timer can be used to set up to eight operations for each day of the week.

• Each operation may consist of any of the following: ON/OFF time

together with a temperature setting, or ON/OFF time only, or temperature setting only.

• When the current time reaches a time set at this timer, the air

conditioner carries out the action set by the timer.

■ Time setting resolution for this timer is 1 minute.

Note: *1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time. *2. The weekly timer will not operate when any of the following conditions is in

effect. The timer feature is off; the system is in an malfunction state; a test run is in progress; the remote controller is undergoing self-check or remote controller check; the user is in the process of setting a function; the user is in the process of setting the timer; the user is in the process of setting the current day of the week or time; the system is under central control. (Specifically, the system will not carry out operations (unit on, unit off, or temperature setting) that are prohibited during these conditions.)

Operation No.

Day Setting

● To run the ventilator only when the indoor unit is off:

■ Press the Ventilation button 8 while the indoor unit is off.

• The On lamp (at 1) and the Vent indication (at 8) come on.

● To change the ventilator force:

■ Press the Ventilation button 8 as necessary.

• Each press toggles the setting, as shown below.

▲

No display

▲

(Stop)

(Low) (High)

Note:

● With some model configurations, the fan on the indoor unit may come on even when you set the ventilator to run independently.

(OFF)

1. Be sure that you are at a standard control screen, and that the weekly timer indicator 1 is shown in the display.

2. Press the Timer Menu button B, so that the “Set Up” appears on the screen (at 2). (Note that each press of the button toggles the display between “Set Up” and “Monitor”.)

3. Press the Timer On/Off (Set Day) button 9 to set the day. Each press advances the display at 3 to the next setting, in the following sequence: “Sun Mon Tues Wed Thurs Fri Sat” → “Sun” → ... → “Fri” → “Sat” → “Sun Mon Tues Wed Thurs Fri Sat”...

4. Press the or Operation button (7 or 8) as necessary to select the appropriate operation number (1 to 8) 4. * Your inputs at Steps 3 and 4 will select one of the cells from the matrix

illustrated below. (The remote-controller display at left shows how the display would appear when setting Operation 1 for Sunday to the values indicated below.)

Setup Matrix

Op No. Sunday Monday … Saturday

• 8:30

• ON

No. 1

• 73 °F

• 10:00

No. 2

• OFF

…

No. 8

<Operation 1 settings for Sunday> Start the air conditioner at 8:30, with

the temperature set to 73 °F.

Note: By setting the day to “Sun Mon Tues Wed Thurs Fri Sat”, you can set the same operation to be carried out at the same time every day. (Example: Operation 2 above, which is the same for all days of the week.)

• 10:00

• OFF

▲

• 10:00

• OFF

• 10:00

• OFF

▲

<Operation 2 settings for every day> Turn off the air conditioner at 10:00.

Shows the time setting

Shows the selected operation (ON or OFF) * Does not appear if operation is not set.

Shows the temperature setting * Does not appear if temperature is not

set.

5. Press the appropriate Set Time button A as necessary to set the

desired time (at 5). * As you hold the button down, the time first increments in minute inter-

vals, then in ten-minute intervals, and then in one-hour intervals.

6. Press the ON/OFF button 1 to select the desired operation (ON or

OFF), at 6. * Each press changes the next setting, in the following sequence:

No display (no setting) → “ON” → “OFF”

ONHr

AFTER

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2A9

ONHr

AFTER

SIMPLE

˚F

TIMER

SUN

ON OFF

WEEKLY

˚F

TIME SUN

WEEKLY

˚F

TIME SUN

WEEKLY

6. Timer

7. Press the appropriate Set Temperature button 3 to set the desired temperature (at 7).

* Each press changes the setting, in the following sequence: No

display (no setting) ⇔ 75 ⇔ 77 ⇔ ... ⇔ 84 ⇔ 86 ⇔ 54 ⇔ ... ⇔ 73 ⇔ No display. (Available range: The range for the setting is 12 °C, 54 °F to 30 °C, 86 °F. The actual range over which the temperature can be controlled, however, will vary according to the type of the connected unit.)

8. After making the appropriate settings at Steps 5, 6 and 7, press the Filter button 4 to lock in the values. To clear the currently set values for the selected operation, press and quickly release the Check (Clear) button 0 once. * The displayed time setting will change to “—:—”, and the On/Off

and temperature settings will all disappear. (To clear all weekly timer settings at once, hold down the Check

(Clear) button 0 for two seconds or more. The display will begin flashing, indicating that all settings have been cleared.)

Note: Your new entries will be cancelled if you press the Mode (Return) button 2 before pressing the Filter

button 4.

If you have set two or more different operations for exactly the same time, only the operation with the highest Operation No. will be carried out.

9. Repeat Steps 3 to 8 as necessary to fill as many of the available cells as you wish.

10.Press the mode (Return) button 2 to return to the standard control screen and complete the setting procedure.

11.To activate the timer, press the Timer On/Off button 9, so that the “Timer Off” indication disappears from the screen. Be sure that the

“Timer Off” indication is no longer displayed.

* If there are no timer settings, the “Timer Off” indication will flash on

the screen.

6.1.2. Simple Timer

■ You can set the simple timer in any of three ways.

• Start time only: The air conditioner starts when the set time has elapsed.

• Stop time only: The air conditioner stops when the set time has elapsed.

• Start & stop times: The air conditioner starts and stops at the respective elapsed times.

■ The simple timer (start and stop) can be set only once within a 72-hour period. The time setting is made in hour increments.

Note: *1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time. *2. The simple timer will not operate when any of the following conditions is in

effect. The timer is off; the system is in malfunction state; a test run is in progress; the remote controller is undergoing self-check or remote controller check; the user is in the process of selecting a function; the user is in the process of setting the timer; the system is under central control. (Under these conditions, On/Off operation is prohibited.)

Timer Settings

Be sure that the weekly timer indicator is visible on the screen (at 1).

2. Press the Timer Menu button B so that “Monitor” is indicated on the screen (at 8).

3. Press the Timer On/Off (Set Day) button 9 as necessary to select the day you wish to view.

4. Press the or Operation button (7 or 8) as necessary to change the timer operation shown on the display (at 9).

* Each press will advance to the next timer operation, in order of

time setting.

5. To close the monitor and return to the standard control screen, press the Mode (Return) button 2.

Press the Timer On/Off button 9 so that “Timer Off” appears at 0.

Press the Timer On/Off button 9 so that the “Timer Off ” indication (at 0) goes dark.

Timer Setting

Action (On or Off)

* “— —” is displayed if there is no

setting.

1. Be sure that you are at a standard control screen, and that the simple timer indicator is visible in the display (at 1). When something other than the Simple Timer is displayed, set it to SIMPLE TIMER using the function selection of remote controller (see

8.[3](3)) timer function setting.

2. Press the Timer Menu button B, so that the “Set Up” appears on the screen (at 2). (Note that each press of the button toggles the display between “Set Up” and “Monitor”.)

3. Press the ON/OFF button 1 to display the current ON or OFF simple timer setting. Press the button once to display the time remaining to ON, and then again to display the time remaining to OFF. (The ON/OFF indication appears at 3).

•“ON” timer:

The air conditioner will start operation when the specified number of hours has elapsed.

•“OFF” timer:

The air conditioner will stop operation when the specified number of hours has elapsed.

4. With “ON” or “OFF” showing at 3: Press the appropriate Set Time button A as necessary to set the hours to ON (if “ON” is displayed) or the hours to OFF (if “OFF” is displayed) at 4.

• Available Range: 1 to 72 hours

5. To set both the ON and OFF times, repeat Steps 3 and 4. * Note that ON and OFF times cannot be set to the same value.

6. To clear the current ON or OFF setting: Display the ON or OFF setting (see step 3) and then press the Check (Clear) button 0 so that the time setting clears to “—” at 4. (If you want to use only an ON setting or only an OFF setting, be sure that the setting you do not wish to use is shown as “—”.)

TIMER ON

OFFHrAFTER

SIMPLE

˚F

SIMPLE

˚F

ONHr

AFTER

SIMPLE

ONHr

AFTER

SIMPLE

˚F

OFFHrAFTER

SIMPLE

˚F

OFFHrAFTER

SIMPLE

ONHr

AFTER

SIMPLE

˚F

SIMPLE

AFTER OFF

AUTO OFF

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2A9

AFTER OFF

AUTO OFF

6. Timer

7. After completing steps 3 to 6 above, press the Filter button 4 to lock in the value.

Note: Your new settings will be cancelled if you press the Mode (Return) button 2 before pressing the Filter

button 4.

8. Press the Mode (Return) button 2 to return to the standard control screen.

9. Press the Timer On/Off button 9 to start the timer countdown. When the timer is running, the timer value is visible on the display. Be sure that the

timer value is visible and appropriate.

Timer Setting

1. Be sure that the simple timer indicator is visible on the screen (at 1).

2. Press the Timer Menu button B, so that the “Monitor” appears on the screen (at 5).

• If the ON or OFF simple timer is running, the current timer value will

appear at 6.

• If ON and OFF values have both been set, the two values appear

alternately.

3. Press the Mode (Return) button 2 to close the monitor display and return to the standard control screen.

Press the Timer On/Off button 9 so that the timer setting no longer appears on the screen (at 7).

Example 2:

Start the timer, with OFF time is sooner than ON time ON Setting: 5 hours OFF Setting: 2 hours

At Timer Start

Display shows the timer’s OFF setting (hours

▲

remaining to OFF).

At 2 hours after timer start

Display changes to show the timer’s ON setting (hours remaining to ON).

▲

The time displayed is ON setting (5 hours) – OFF setting (2 hours) = 3 hours.

At 5 hours after timer start

The air conditioner comes on, and will continue to run until someone turns it off.

6.1.3. Auto Off Timer

■ This timer begins countdown when the air conditioner starts, and shuts the air conditioner off when the set time has elapsed.

■ Available settings run from 30 minutes to 4 hours, in 30-minute intervals.

Note: *1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time. *2. The Auto Off timer will not operate when any of the following conditions is

in effect. The timer is off; the system is in malfunction state; a test run is in progress; the remote controller is undergoing self-check or remote controller check; the user is in the process of selecting a function; the user is in the process of setting the timer; the system is under central control. (Under these conditions, On/Off operation is prohibited.)

Press the Timer On/Off button 9 so that the timer setting becomes visible at 7.

Examples

If ON and OFF times have both been set at the simple timer, operation and display are as indicated below.

Example 1:

Start the timer, with ON time set sooner than OFF time ON Setting: 3 hours OFF Setting: 7 hours

At Timer Start

Display shows the timer’s ON setting (hours remaining to ON).

At 3 hours after timer start

Display changes to show the timer’s OFF setting (hours remaining to OFF). The time displayed is OFF setting (7 hours) – ON setting (3 hours) = 4 hours.

At 7 hours after timer start

The air conditioner goes off, and will remain off until someone restarts it.

▲

Timer Setting

1. Be sure that you are at a standard control screen, and that the Auto Off timer indicator is visible in the display (at 1). When something other than the Auto Off Timer is displayed, set it to AUTO OFF TIMER using the function selection of remote controller (see

8.[3](3)) timer function setting.

2. Hold down the Timer Menu button B for 3 seconds, so that the “Set Up” appears on the screen (at 2). (Note that each press of the button toggles the display between “Set Up” and “Monitor”.)

3. Press the appropriate Set Time button A as necessary to set the OFF time (at 3).

4. Press the Filter button 4 to lock in the setting.

Note: Your entry will be cancelled if you press the Mode (Return) button 2 before pressing the Filter

button 4.

5. Press the Mode (Return) button 2 to complete the setting procedure and return to the standard control screen.

6. If the air conditioner is already running, the timer starts countdown immediately. Be sure to check that the timer setting appears cor-

rectly on the display.

AFTER

TIMER

OFF

AUTO OFF

˚F

AUTO OFF

˚F

AFTER OFF

AUTO OFF

˚F

TIME SUN

FUNCTION

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

˚F

FUNCTION

˚F

FUNCTION

˚F

6. Timer

Timer Setting

1. Be sure that the “Auto Off” is visible on the screen (at 1).

2. Hold down the Timer Menu button B for 3 seconds, so that “Monitor” is indicated on the screen (at 4).

• The timer remaining to shutdown appears at 5.

3. To close the monitor and return to the standard control screen, press the Mode (Return) button 2.

● Hold down the Timer On/Off button 9 for 3 seconds, so that “Timer Off” appears (at 6) and the timer value (at 7) disappears.

7. Other Functions

7.1. Locking the Remote Controller Buttons (Operation

function limit controller)

■ If you wish, you can lock the remote controller buttons. You can use the Function Selection of remote controller to select which type of lock to use. (For information about selecting the lock type, see section 8, item [2](1)). Specifically, you can use either of the following two lock types.

1Lock All Buttons:

Locks all of the buttons on the remote controller.

2Lock All Except ON/OFF:

Locks all buttons other than the ON/OFF button.

Note: The “Locked” indicator appears on the screen to indicate that buttons are cur- rently locked.

● Alternatively, turn off the air conditioner itself. The timer value (at 7) will disappear from the screen.

● Hold down the Timer On/Off button 9 for 3 seconds. The “Timer Off” indication disappears (at 6), and the timer setting comes on the display (at 7).

● Alternatively, turn on the air conditioner. The timer value will appear at 7.

1. While holding down the Filter button 4, press and hold down the ON/OFF button 1 for 2 seconds. The “Locked” indication appears on the screen (at 1), indicating that the lock is now engaged. * If locking has been disabled in Function Selection of remote controller,

the screen will display the “Not Available” message when you press the buttons as described above.

• If you press a locked button, the “Locked” indication (at 1) will blink on

the display.

Lock Indicator

1. While holding down the Filter button 4, press and hold down the ON/ OFF button 1 for 2 seconds—so that the “Locked” indication disappears from the screen (at 1).

ON/OFF

˚F

ERROR CODE

ON/OFF

CALL:XXXX XXX:XXX

7. Other Functions

ON/OFF

ERROR CODE

7.2. Error Codes indication

ON lamp (Flashing)

Unit No.

If you have entered contact number to be called in the event of a problem, the screen displays this number. (You can set this up under Function Selection of remote controller. For information, refer to section 8.)

Error Code

● If the ON lamp and error code are both flashing: This means that the air conditioner is out of order and operation has been stopped (and cannot resume). Take note of the indicated unit number and error code, then switch off the power to the air conditioner and call your dealer or servicer.

When the Check button is pressed:

Error Code

● If only the error code is flashing (while the ON lamp remains lit): Operation is continuing, but there may be a problem with the system. In this case, you should note down the error code and then call your dealer or servicer for advice.

* If you have entered contact number to be called in the event of a problem, push the Check button to display it on the screen. (You can set this up under

Function Selection of remote controller. For information, refer to section 8.)

8. Function Selection

Function selection of remote controller

The setting of the following remote controller functions can be changed using the remote controller function selection mode. Change the setting when needed.

Item 1

1. Change Language (“CHANGE LANGUAGE”)

2. Function limit (“FUNCTION SELECTION”)

3. Mode selection (“MODE SELECTION”)

4. Display change (“DISP MODE SETTING”)

Item 2

Language setting to display

(1) Operation function limit setting (operation lock) (“LOCKING

FUNCTION”)

(2) Use of automatic mode setting (“SELECT AUTO MODE”)

(3) Temperature range limit setting (“LIMIT TEMP FUNCTION”)

(1) Remote controller main/sub setting (“CONTROLLER MAIN/

SUB”)

(2) Use of clock setting (“CLOCK”)

(3) Timer function setting (“WEEKLY TIMER”)

(4) Contact number setting for error situation (“CALL.”)

(1) Temperature display °C/°F setting (“TEMP MODE °C/°F”)

(2) Suction air temperature display setting (“ROOM TEMP DISP

SELECT”)

(3) Automatic cooling/heating display setting (“AUTO MODE

DISP C/H”)

Item 3 (Setting content)

• Display in multiple languages is possible

• Setting the range of operation limit (operation lock)

• Setting the use or non-use of “automatic” operation mode

• Setting the temperature adjustable range (maximum, minimum)

• Selecting main or sub remote controller

* When two remote controllers are connected to one group, one controller

must be set to sub.

• Setting the use or non-use of clock function

• Setting the timer type

• Contact number display in case of error

• Setting the telephone number

• Setting the temperature unit (°C or °F) to display

• Setting the use or non-use of the display of indoor (suction) air tempera-

ture

• Setting the use or non-use of the display of “Cooling” or “Heating” display during operation with automatic mode

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