Pioneer Inverter+ WAS Series Manuale utente

DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP

CS78421-548-754

IMPORTANT NOTICE:

Please read this manual carefully before installing

or operating your new air conditioning system.

Make sure to save this manual for future reference.

Owner’s Manual

WAS / WYS Series

WAS: Cooling Only Version

WYS: Cooling and Heating Version

Inverter+ and Inverter++ Models

9,000 BTU/h. through 36,000 BTU/h.

®®

Safety Precautions.......................................................04

Unit Speciﬁcations and Features

..............................06

Table of Contents

Owner’s Manual

SAFETY

FIRST

Manual Operation

(Without Remote)................11

Care and Maintenance.....................................................12

Troubleshooting...................................................................14

European Disposal Guidelines....................................18

Page 4 

Safety Precautions

Read Safety Precautions Before Installation

The seriousness of potential damage or injuries is classiﬁed as either a WARNING or CAUTION.

WARNING

This symbol indicates that ignoring instructions may cause death or serious

Incorrect installation due to ignoring instructions can cause serious damage or injury.

injury.

This symbol indicates that ignoring instructions may cause moderate injury

to your person, or damage to your appliance or other property.

CAUTION

WARNING

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. Children shall not play with the appliance. Cleaning and user maintenance shall not be

attempted by children or untrained personnel without proper supervision.

INSTALLATION WARNINGS

•

Ask a licensed HVAC contractor to install this air conditioner. Inappropriate installation may cause

condensate water or refrigerant leakage, undesired performance, electric shock or re.

•

All repairs, maintenance and relocation of this unit must be performed by a properly trained service

technician. Inappropriate repairs can lead to serious injury or product failure.

WARNINGS FOR PRODUCT USE

•

If any abnormal situation arises (like a burning smell), immediately turn o the unit and shut o the

circuit breaker. Call your installer for instructions to avoid electric shock, re or injury.

•

Do not

insert ﬁngers, rods or other objects into the air inlet or outlet. This may cause injury, since

the fan may be rotating at high speeds. Internal components may also be damaged.

•

Do not

use ﬂammable sprays such as hair spray, lacquer or paint near the unit. This may cause

ﬁre or combustion.

•

Do not

operate the air conditioner in places near or around combustible gases. Emitted gas may

collect around the unit and cause explosion.

•

Do not

operate the air conditioner in a highly humid space (e.g., bathroom or laundry room). This

can cause electrical shock and result in early product deterioration.

•

Do not

expose your body directly to cool air for a prolonged period of time.

fety

autions

fety

autions

Page 5 

ELECTRICAL WARNINGS

•

Only use the system powered through a speciﬁed dedicated circuit breaker. If the power cord

is damaged, it must be replaced by a certiﬁed service agent.

•

Assure to use a properly rated circuit breaker of fuse. Gauge of the power wiring must be within

the minimum and maximum circuit amperage requirements of this equipment.

• Do not

pull the power and signal cords. Assure all wiring used complies with the national electrical

codes. System power input must be provided through a hardwired power circuit with proper gauge.

• Do not

use an extension cord, manually extend the power wires, or connect other appliances to

the same breaker with this air conditioner. Poor electrical connections, poor insulation, and high

amperage draw can cause re.

CLEANING AND MAINTENANCE WARNINGS

•

Turn o the device and the breaker before cleaning. Failure to do so can cause electrical shock.

• Do not

clean the air conditioner with excessive amounts of water.

• Do not

clean the air conditioner with combustible cleaning agents. Combustible cleaning agents

or other harsh chemicals can cause re or deformation.

CAUTION

•

If the air conditioner is used together with burners or other heating devices, thoroughly ventilate

the room to avoid oxygen deﬁciency.

•

Turn o the air conditioner and the breaker if you are not going to use it for a long time.

•

Turn o the breaker during lightning or other strong storms.

•

Make sure that condensation water can drain out of the unit, unhindered in any way.

• Do not

operate or touch the air conditioner with wet hands. This may cause electric shock.

• Do not

use this system for any other purpose than its intended use (indoor environmental comfort).

• Do not

climb over or place objects on top of the outdoor unit.

• Do not

allow the air conditioner to operate for long periods of time with doors or windows open,

or if the outdoor humidity level is high. Condensate water will accumulate on or near the unit.

Page 6 

Unit Specications and Features 1

Unit

Speciﬁcations

and Features

NOTE:

A guide on using the infrared remote is not included in this literature package. See the

additional material provided that matches with the specic remote controller included.

Unit Parts

“ ” for 3 seconds when:

• TIMER ON is set

• FRESH, SWING, TURBO, SILENCE or SOLAR PV ECO features are turned on

“ ” for 3 seconds when:

• TIMER OFF is set

• FRESH, SWING, TURBO, SILENCE or SOLAR PV ECO features are turned o

“ ” when automatic defrosting mode is activated by the system

“ ” when “warm start delay” feature is activated by the system

“ ” when unit is self-cleaning

“ ” when freeze protection (Low Heat) mode has been turned on

Display Code

Meanings

In Fan mode, the unit will display the room temperature.

In other modes, the unit will display your temperature setting.

“ ” When ECO function (optional) is activated, the

illuminates gradually one by one as --

-- --set temperature-- ...... in one second intervals.

Power and Signal Wiring

Remote Control

Remote control Holder

(Some Units)

Functional Filter

(On Front of Main Filter - Some Units)

Louver

Front Panel

Display panel Display panel

(1) (2)

“ ” when wireless Control feature is activated (some units)

Unit

Speciﬁcations

and Features

Page 7 

Achieving Optimal Performance

Optimal performance for the COOL, HEAT, and DRY modes can be achieved in the following

temperature ranges. When your air conditioner is used outside of these ranges, certain safety

protection features will activate and cause the unit to perform less than optimally.

COOL mode HEAT mode DRY mode

Room Temperature 17°C - 32°C

(63°F - 90°F)

0°C - 30°C

(32°F - 86°F)

10°C - 32°C

(50°F - 90°F)

Outdoor

Temperature

0°C - 50°C

(32°F - 122°F)

-15°C - 30°C

(5°F - 86°F)

0°C - 50°C

(32°F - 122°F)

To further optimize the performance of your unit, do the following:

• Keep doors and windows closed.

• Limit energy usage by using TIMER ON and TIMER OFF functions.

• Do not block air inlets or outlets.

• Regularly inspect and clean air lters.

FOR OUTDOOR UNITS

WITH ELECTRIC HEATERS

(MOST ARCTIC VERSIONS)

Operational Temperature Ranges

When outside

temperature is below 0°C

(32°F ), we strongly

recommend keeping the

unit energized at all

times to ensure smooth

ongoing performance.

COOL mode HEAT mode DRY mode

Room Temperature 17°C - 32°C

(63°F - 90°F)

0°C - 30°C

(32°F - 86°F)

10°C - 32°C

(50°F - 90°F)

Outdoor

Temperature

-15°C - 50°C

(5°F - 122°F)

-20°C - 30°C

(-5°F - 86°F)

0°C - 50°C

(32°F - 122°F)

Standard Models

Arctic (Low Ambient) Models

Full system rated capacity and eciency is obtained at the standard rating conditions as developed by the

testing and rating agencies. Deviations from the rating conditions, especially the atmospheric conditions

will be compansated by the variable speed compressor within certain limits. Heat pump systems function

by exchanging energy, in the form of heat, between the indoor air and the outside ambient air (atmosphere).

System’s net cooling or heating capacities and the eciencies change by the atmospheric conditions as well

as the indoor air conditions (temperatures and humidity levels).

Capacity of the system required for a specic area or application must be determined proessionally by

specic calculations based on several internal and external factors.

NOTE ON ILLUSTRATIONS

Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be

slightly dierent. The actual shape shall prevail.

For a detailed explanation of each function,

refer to the Remote Control Manual.

Other Features

• Auto-Restart

If the unit loses power, it will automatically

restart with the prior settings once power has

been restored (can be overridden by user).

• Anti-mildew (some units)

When turning o the unit from COOL, AUTO

(COOL), or DRY modes, the air conditioner will

continue operate at very low power to dry up

condensed water and prevent mildew growth.

Unit

Speciﬁcations

and Features

• WiFi Access (Optional Accessory Needed)

WiFi control allows you to control your air

conditioner using your smart phone and a

Wireless connection.

• Louver Angle Memory (some units)

When turning on your unit, the louver will

automatically resume its former angle.

• Refrigerant Leakage Detection (some

units)

The indoor unit will automatically display “EC”

when it detects refrigerant leakage.

For a detailed explanation of your unit’s

advanced functionality (such as TURBO mode

and its self-cleaning functions), refer to the

Remote Control Manual.

Page 8 

For the USB device access, replacement,

maintenance operations refer to the

manuals provided separately.

Page 9 

Setting vertical angle of air ow

While the unit is on, use the SWING/DIRECT

button to set the direction (vertical angle) of

airﬂow (Dual function button: Left/Right).

Press the SWING/DIRECT button once to

activate the louver. Each time you press

the button, it will adjust the louver by 6°.

Press the button until the direction you

prefer is reached. (left side of buttton)

To make the louver swing up and down

continuously, press and hold the SWING/

DIRECT button for 3 seconds. Press it

again to stop the automatic function.

The horizontal angle of the airow must be set

manually. Locate the deector rod (See Fig.B)

and manually adjust it to your preferred direction.

For some units, the horizontal angle of the airow

can be set by remote control. Please refer to the

Remote Control Manual.

NOTE ON LOUVER ANGLES

When using COOL or DRY mode, do not set

louver at a high vertical an angle for long periods

of time. This can cause water to condense on

the louver blade, which will drop on your ﬂoor

or furnishings. (See Fig.A)

When using COOL or HEAT mode, setting the

louver at a high vertical an angle can reduce the

performance of the unit due to restricted air

ﬂow.

Do not move louver by hand. This will cause the

louver to become out of sync. If this occurs, turn

o the unit and the breaker for a few seconds,

then restart the unit. This will reset the louver.

Fig. A

CAUTION

Do not put your ngers in or near the blower

and suction side of the unit. The high-speed

fan inside the unit may cause injury.

Fig. B

Setting Angle of Air Flow

Setting horizontal angle of air ow

•

Unit

Speciﬁcations

and Features

Page 10 

The SLEEP function is used to decrease energy

use while you sleep (and do not need the same

temperature settings to stay comfortable). This

function can only be activated via remote control.

Press the SLEEP button when you are ready to

go to sleep. When in COOL mode, the unit will

increase the temperature by 1°C (2°F) after 1

hour, and will increase an additional 1°C (2°F)

after another hour. When in HEAT mode, the unit

will decrease the temperature by 1°C (2°F) after

1 hour, and will decrease an additional 1°C (2°F)

after another hour.

It will hold the new temperature for 5 hours, then

the unit will turn o automatically.

Note: The SLEEP function is not available in

FAN or DRY modes.

Sleep Operation

Set

temperature

Saving energy during sleep

1hr 1hr

7 hours

timer o

+/- 1 C/2 F

SLEEP Operation

+/- 1 C/2 F

•

Unit

Speciﬁcations

and Features

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