Innova AirLeaf ECA644 User manual

Brand: Innova

Model: AirLeaf ECA644

Type: User manual

This manual is also suitable for

something new in the airsomething new in the air

ECA644 - ESD645 - ECA649 - ECA647 - ESD648

E4T643

B4V642 - B10642 - BM1151- BM0152

DC Inverter

User manual

Compliance

We would first of all like to thank you for having chosen one of our products.

We are sure you will be happy with it because it represents the State of the art in the technology of

home air conditioning.

By following the suggestions contained in this manual, the product that you have purchased will

operate without problems giving you optimum room temperatures with minimum energy costs.

Innova S.r.l

This unit complies with the following European Directives:

• Low voltage 2006/95/CE; • Electromagnetic compatibility 2004/108/CE;

The pictograms in the next chapter provide the necessary

information for correct, safe use of the machine in a rapid,

unmistakable way.

Symbols

User

- Refers to pages containing instructions or information

for the user.

Installer

- Refers to pages containing instructions or information

for the installer.

Service

- Refers to pages containing instructions or information

for the installer TECHNICAL SUPPORT SERVICE.

Editorial pictograms

Safety pictograms

Generic danger

- Signals to the personnel that the operation described

could cause physical injury if not performed according

to the safety rules.

Danger of high voltage

- Signals to the personnel that the operation described

could cause electrocution if not performed according

to the safety rules.

Danger due to heat

- Signals to the personnel that the operation described

could cause burns if not performed according to the

safety rules.

Prohibition

- Refers to prohibited actions.

1 ECA644 - ECA647 6

1.1

SMART TOUCH Electronic control panel

with continuous on-board modulation 6

1.2 Display 6

1.3 Keys function 6

1.4 General start-up 7

1.5 Activation 7

1.6 Heating/cooling operating mode set-up 7

1.7 Stand by 7

1.8 Temperature selection 7

1.9 Automatic operation 8

1.10 Silent operation 8

1.11 Night function 8

1.12 Operation at maximum ventilation speed 8

1.13 Key locking 8

1.14 Minimum brightness reduction 8

1.15 Deactivation 9

1.16 Room temperature probe offset adjustment 9

1.17 Long term shut-down 9

1.18 Error signals 9

2 ECA649 10

2.1

Wall-mounted electronic control panel

SMART TOUCH with room probe 10

2.2 Display 10

2.3 Keys function 10

2.4 General start-up 11

2.5 Activation 11

2.6 Heating/cooling operating mode set-up 11

2.7 Stand by 11

2.8 Temperature selection 11

2.9 Automatic operation 12

2.10 Silent operation 12

2.11 Night function 12

2.12 Operation at maximum ventilation speed 12

2.13 Key locking 12

2.14 Minimum brightness reduction 12

2.15 Deactivation 13

2.16 Room temperature probe offset adjustment 13

2.17 Long term shut-down 13

2.18 Error signals 13

3 ESD645 - ESD648 14

3.1

Electronic board with continuous modulation

for remote thermostat connection 14

3.2 LED Signals 14

4 E4T643 15

4.1

SMART TOUCH Electronic control panel

with modulation at fixed speed 15 15

4.2 Display 15

4.3 Keys function 15

4 E4T643 15

4.4 General start-up 16

4.5 Activation 16

4.6 Heating/cooling operating mode set-up 16

4.7 Stand by 16

4.8 Temperature selection 16

4.9 Ventilation speed adjustment 17

4.10 Key locking 17

4.11 Minimum brightness adjustment 17

4.12 Deactivation 17

4.13 Room temperature probe offset adjustment 18

4.14 Long term shut-down 18

4.15 Error signals 18

5 MAINTENANCE 19

5.1 External cleaning 19

5.2 Air suction filter cleaning 19

5.3 Suggestions for power saving 21

6 TROUBLESHOOTING 22

6.1 Troubleshooting 22

6.2 Troubleshooting table 22

SIU

ECA644 - ECA647

A Display

B Keys

1.1

1.2

1.3

SMART TOUCH electronic panel with continuous on- board modulation

Display

Keys function

This control makes the room temperature adjustment

completely autonomous (with adjustable offset via

keyboard) through AUTO, SILENT, NIGHT and MAX

pictograms by means of a probe located in the lower side

of the device ensuring anti-freeze safety even when set to

stand-by.

The control panel has its own memory, therefore no

settings will be lost in case of shut-down or power outage.

The controls cannot be installed on

SLI and RSI

versions.

After 20 seconds from the last action the panel brightness

will be reduced to increase the comfort during night use

and on the display will appear the room temperature.

Press any key to restore maximum brightness

The 10 k water temperature probe located in the device

battery can manage the minimum in heating (30 °C) and

maximum in cooling (20 °C) functions.

You can set the various functions through the 8 backlit

keys:

The display also offers information on the statuses and on

any active alarms through 8 specific symbols:

ECA644 - ECA647

Automatic operation

Silent operation

Maximum ventilation speed

Night function

Heating on

Cooling on

Supervision on. Flashing with CP presence

contact closed.

Alarm indication (light on)

Panel off indication

Resistance enabled indication

Temp + allows increasing the set temperature

Temp + allows decreasing the set temperature

Heating / Cooling: allows switching between

heating and cooling

The ventilation speed will be adjusted

automatically between a minimum and a

maximum value

Night function: the ventilation speed is

significantly reduced and the set temperature

is changed automatically

Operation at maximum speed: allows setting

he maximum ventilation speed

ON/Stand-By: allows activating or putting the

device in stand-by mode.

Silent: allows limiting the ventilation speed by

reducing its maximum value.

SIU

ECA644 - ECA647

1.4

1.5

1.6

1.7

1.8

General start-up

Activation

Heating / cooling operating mode set-up

Stand By

Temperature selection

In order to control the device from the control panel, it first

has to be connected to mains. If the power line is provided

with a main switch, it should be on.

- Start the system by toggling the main switch

If one of the 2 symbols flashes it means that the water

temperature (hot or cold) is not met and it makes the fan

stop until the water reaches the requested temperature.

If after powering the device the board detects the H2

probe, the start-up will take place under normal conditions

with minimum and maximum thresholds.

The board can also operate without a H2 probe, case in

which the fan stop thresholds will be ignored.

When the control is in this operating mode, the anti-freeze

safety is secured. If the room temperature drops below

5°C the hot water solenoid valve and boiler go-ahead

outputs activate.

The adjustment range goes from 16 to 28 °C, with a

resolution of 0.5 °C, but the system also allows the out of

range values 5 °C, ma sono consentiti anche i valori fuori

scala di 5 °C and 40 °C (except when in auto mode).

These values should be set only for short periods of time, the

selection should then be adjusted to an intermediate value.

The control is very precise, set it to the desired value and

wait for it to run the adjustment based on the actually

detected room temperature.

To activate the device

Key Operation Display

Press the Heating / Cooling key for about 2 seconds to switch between heating and

cooling operating modes; the selection is shown by 2 heating on or cooling on symbols

that will light up.

In heating, the symbol is alight when the setpoint is higher than the room temperature,

both are switched off when the setpoint is lower.

In cooling, the symbol is alight when the setpoint is lower than the room temperature,

both are switched off when the setpoint is higher.

In 4-pipe versions provided with automatic cooling/heating regulation system if the

2 symbols are switched on at the same time it means that the setpoint has been

reached (neutral band).

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

Off

Key Operation Display

Press the ON stand-by key From off to on

Select one of the 4 operating modes by pressing the relative key.

Key Operation Display

Use the two increase and decrease keys to set the desired room temperature displayed

on the 3 digit display.

20.5

SIU

ECA644 - ECA647

1.9

1.10

1.11

1.12

1.13

1.14

Automatic operation

Silent operation

Night function

Operation at maximum ventilation speed

Key locking

The ventilation speed will be adjusted automatically

between a minimum and a maximum value, based on the

actual distance between the room temperature and the

setpoint using a PI algorithm.

The ventilation speed is limited at a more reduced

maximum value.

By selecting this operating mode the ventilation speed is

significantly reduced and the set temperature is changed

automatically as follows:

- decreased by 1° C after one hour and by another

degree after 2 hours in heating function;

- increased by 1°C after one hour and by another degree

after 2 hours in cooling function.

In this operating mode, you will immediately obtain

maximum power output both in heating and in cooling.

After reaching the desired room temperature you should

select one of the other 3 operating modes to increase the

thermal and acoustic comfort.

Key Operation Display

Press both keys + and - at the same time for 3 seconds to activate the local lock up of

all keys, the confirmation is represented by the text bL appearing on the display.

The user will not be able to perform any adjustment and the text bL appears every time

a key is pressed. Repeat the sequence to unlock the keys.

Key Operation Display

Hold the Max Operation key. The function activation will be signalled by the relative

symbol on the display

Key Operation Display

Hold the Night function key. The function activation will be signalled by the relative

symbol on the display

Key Operation Display

Hold the Silent key. The function activation will be signalled by the relative symbol on

the display

Key Operation Display

Hold the AUTO key. The function activation will be signalled by the relative symbol on

the display

Minimum brightness reduction

After 20 seconds from the last action the panel brightness

will be reduced to increase the comfort during night use

and on the display will appear the room temperature.

If this level of brightness still bothers you can turn off the

display completely.

Key Operation Display

With the panel off press the + key for 5 seconds until the text 01 appears on the

display.

Use the - key to bring the value to 00 and wait 20 seconds to check for the correct

setting.

SIU

ECA644 - ECA647

1.15

1.16

1.17

1.18

Long term shut-down

Error signals

For seasonal shut-downs or holidays proceed as follows:

- Disable the device.

- Set the main system switch to Off.

The anti-freeze function is not on

In some cases the detected values might not represent

the real temperature due to the fact that the temperature

probe is located in the lower section of the device.

Use this function to adjust the measured value shown on

the display within a range of +/- 10 °C in 0.1°C steps.

Use this adjustment carefully and only after having found

actual deviations from the room temperature using a

reliable tool!

Key Operation Display

With the panel off hold the - key for 5 seconds to access the menu from which you can

adjust (using the + and - keys) from –10 to +10 K in 0.1 K steps the offset of the AIR

probe displayed on the screen.

After 20 seconds from the last action performed the panel turns off and the setting is

saved.

00.0

Error Display

Room temperature probe (AIR) failure.

Fan motor fault (for example jamming due to foreign bodies or fault in the rotation sensor).

Water temperature probe failure for 2-pipe versions (H2). In this case make sure the probe has

10 k.

Cold water temperature probe failure for 4-pipe versions (H4). (Only for ECA647) located in the

main battery.

Operation of the S1 grill microswitch due to filter cleaning

Deactivation

The control ensures anti-freeze safety even when set to

stand-by.

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

Off

Room temperature probe offset adjustment

SIU

ECA649

2.1

2.2

2.3

ECA649

SMART TOUCH wall-mounted electronic control panel with room probe

The remote wall-mounted ECA649 is an electronic

thermostat fitted with temperature probe with the

possibility of controlling one or more (up to a maximum of

30) cooler-convector/cooler-radiators in broadcast (with

simultaneous data transmission) equipped with electronic

control for allowing remote control ESD645 or ESD648.

The control panel has its own memory therefore no settings

will be lost in case of shut-down or power outage.

Any failure of the individual terminals connected will not

be signalled by the wall-mounted panel

Thanks to the temperature probe it ensures anti-freeze

safety even when set to stand-by

After 20 seconds from the last action the panel

brightness will be reduced and on the display will

appear the room temperature. Press any key to restore

maximum brightness

Display

The display also offers information on the statuses and on

any active alarms through 8 specific symbols:

Automatic operation

Silent operation

Maximum ventilation speed

Night function

Heating on

Cooling on

Supervision on. Flashing with CP presence

contact closed.

Alarm indication (light on)

Panel off indication

Resistance enabled indication

Keys function

You can set the various functions through the 8 backlit

keys:

Temp + allows increasing the set temperature

Temp + allows decreasing the set temperature

Heating / Cooling: allows switching between

heating and cooling

The ventilation speed will be adjusted

automatically between a minimum and a

maximum value.

Night function: the ventilation speed is

significantly reduced and the set temperature

is changed automatically

Operation at maximum speed: allows setting

he maximum ventilation speed

ON/Stand-By: allows activating or putting the

device in stand-by mode.

Silent: allows limiting the ventilation speed by

reducing its maximum value.

SIU

ECA649

2.4

2.5

2.6

2.7

2.8

General start-up

Activation

Heating / cooling operating mode set-up

Stand By

Temperature selection

In order to control the device from the control panel, it first

has to be connected to mains. If the power line is provided

with a main switch, it should be on.

- Start the system by toggling the main switch

When the control is in this operating mode, the anti-freeze

safety is secured. If the room temperature drops below

5°C the hot water solenoid valve and boiler go-ahead

outputs activate.

The adjustment range goes from 16 to 28 °C, with a

resolution of 0.5 °C, but the system also allows the out of

range values 5°C and 40 °C (except when in auto mode).

These values should be set only for short periods of time, the

selection should then be adjusted to an intermediate value.

The control is very precise, set it to the desired value and

wait for it to run the adjustment based on the actually

detected room temperature.

To activate the device

Key Operation Display

Press the Heating / Cooling key for about 2 seconds to switch between heating and

cooling operating modes; the selection is shown by 2 heating on or cooling on symbols

that will light up.

In heating, the symbol is alight when the setpoint is higher than the room temperature,

both are switched off when the setpoint is lower.

In cooling, the symbol is alight when the setpoint is lower than the room temperature,

both are switched off when the setpoint is higher.

In 4-pipe versions provided with automatic cooling/heating regulation system if the

2 symbols are switched on at the same time it means that the setpoint has been

reached (neutral band).

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

Off

Key Operation Display

Press the ON stand-by key From off to on

Select one of the 4 operating modes by pressing the relative key.

Key Operation Display

Use the two increase and decrease keys to set the desired room temperature displayed

on the 3 digit display.

20.5

SIU

ECA649

2.9

2.10

2.11

2.12

2.13

2.14

Automatic operation

Night function

Operation at maximum ventilation speed

Key locking

The ventilation speed will be adjusted automatically

between a minimum and a maximum value, based on the

actual distance between the room temperature and the

setpoint using a PI algorithm.

The ventilation speed is limited at a more reduced

maximum value.

By selecting this operating mode the ventilation speed is

significantly reduced and the set temperature is changed

automatically as follows:

- decreased by 1°C after one hour and by another degree

after 2 hours in heating function;

- increased by 1°C after one hour and by another degree

after 2 hours in cooling function.

In this operating mode, you will immediately obtain

maximum power output both in heating and in cooling.

After reaching the desired room temperature you should

select one of the other 3 operating modes to increase the

thermal and acoustic comfort.

Key Operation Display

Press both keys + and - at the same time for 3 seconds to activate the local lock up of

all keys, the confirmation is represented by the text bL appearing on the display.

The user will not be able to perform any adjustment and the text bL appears every time

a key is pressed. Repeat the sequence to unlock the keys.

Key Operation Display

Hold the Max Operation key. The function activation will be signalled by the relative

symbol on the display

Key Operation Display

Hold the Night function key. The function activation will be signalled by the relative

symbol on the display

Key Operation Display

Hold the Silent key. The function activation will be signalled by the relative symbol on

the display

Key Operation Display

Hold the AUTO key. The function activation will be signalled by the relative symbol on

the display

Minimum brightness reduction

After 20 seconds from the last action the panel brightness

will be reduced to increase the comfort during night use

and on the display will appear the room temperature.

If this level of brightness still bothers you can turn off the

display completely.

Key Operation Display

With the panel off press the + key for 5 seconds until the text 01 appears on the

display.

Use the - key to bring the value to 00 and wait 20 seconds to check for the correct

setting.

Silent operation

SIU

ECA649

2.15

2.16

2.17

2.18

For seasonal shut-downs or holidays proceed as follows:

- Disable the device.

- Set the main system switch to Off.

The anti-freeze function is not on

In some cases the detected values might not represent

the real temperature due to the fact that the temperature

probe is located in the lower section of the device.

Use this function to adjust the measured value shown on

the display within a range of +/- 10 °C in 0.1°C steps.

Use this adjustment carefully and only after having found

actual deviations from the room temperature using a

reliable tool!

Key Operation Display

With the panel off hold the - key for 5 seconds to access the menu from which you can

adjust (using the + and - keys) from –10 to +10 K in 0.1 K steps the offset of the AIR

probe displayed on the screen.

After 20 seconds from the last action performed the panel turns off and the setting is

saved.

00.0

Error Display

Room temperature probe failure (located inside the thermostat).

Failure or connection of a double remote room probe on one of the two connected cooler-

radiators.

The control ensures anti-freeze safety even when set to

stand-by.

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

Off

Deactivation

Room temperature probe offset adjustment

Long term shut-down

Error signals

SIU

ESD645 - ESD648

The electronic board for remote control allows the control

of all cooler-radiator functions from the wall-mounted

ECA649 control panel.

You can connect to e remote command up to 30

cooler-radiators that will be controlled in broadcast (with

simultaneous commands to all cooler-radiators).

It can be installed on all versions; the board has a green

LED indicating the status and any faults.

The main operating parameters, the setpoint and the

room temperature are transmitted from the wall-mounted

remote control panel ECA649 to all connected terminals

in the network, ensuring smooth operation.

For cooler-radiators use please refer to the instructions of

this control panel.

The 10 k water temperature probe located in the device

battery can manage the minimum in heating (30 °C) and

maximum in cooling (20 °C) functions.

Green Led: Signals the functioning of the

device. Flashes in case of faults.

Led off: device stopped or not powered.

Error signals

Error Display

Communication error: The board is provided with a function that allows continuous information

exchange on the serial line with the wall-mounted control panel ECA649. If it is missing for more

than 5 minutes the relative error is displayed and the device is deactivated.

6 flashes + pause

Fan motor fault (for example jamming due to foreign bodies or fault in the rotation sensor). 2 flashes + pause

Water temperature probe failure for 2-pipe versions (H2).

In this case make sure the probe has 10 k.

3 flashes + pause

Cold water temperature probe failure for 4-pipe versions (H4). (Only for ESD648) located in the

main battery.

5 flashes + pause

Operation of the S1 grill microswitch due to filter cleaning

Continuous high

frequency flashing

Unmet water request detected by H2 probe (over 20 °C in cooling, below 30 °C in heating). The

fan will stop until the temperature reaches an appropriate value to meet the request*.

1 flash + pause

Only for ESD648 board (4-pipe machines): unmet cold water request detected by H4 probe (over

20 °C). The fan will stop until the temperature reaches an appropriate value to meet the request*.

4 flashes + pause

* If after powering the equipment the board detects the

water probe, the start-up will take place with minimum and

maximum water temperature thresholds.

The board can also operate without a probe, case in

which the fan stop thresholds will be ignored

3.1

Electronic board with continuous modulation for remote thermostat connection

3.2 LED Signals (ref. A)

SIU

E4T643

This control makes the room temperature adjustment

completely autonomous (with adjustable offset via

keyboard) through four speeds by means of a probe

located in the lower side of the device ensuring anti-freeze

safety even when set to stand-by.

The control panel has its own memory, therefore no

settings will be lost in case of shut-down or power outage.

The controls cannot be installed on

SLI and RSI

versions.

Dopo un periodo di 20 secondi dall’ultima azione la

luminosità del pannello viene appositamente ridotta

per aumentare il confort nelle ore notturne e sul

display viene visualizzata la temperatura ambiente.

Alla pressione di un qualsiasi tasto viene ripristinata la

massima luminosità.

The 10 k water temperature probe located in the device

battery can manage the minimum in heating (30 °C) and

maximum in cooling (20 °C) functions.

You can set the various functions through the 8 backlit

keys:

The display also offers information on the statuses and on

any active alarms through 8 specific symbols:

E4T643

Automatic operation in steps

Minimum operation

Maximum ventilation speed

Super silent operation

Heating on

Cooling on

Supervision on (flashing light).

Alarm indication (light on)

Panel off indication

Resistance enabled indication

Temp + allows increasing the set temperature

of 1 K

Temp + allows decreasing the set temperature

of 1 K

Heating / Cooling: allows switching between

heating and cooling

In automatic mode, when the room

temperature is about to reach the setpoint the

fan performs a regulation "in steps".

The super silent setting causes strong

dehumidification in cooling and only radiant

energy in heating.

Operation at maximum speed: allows setting

he maximum ventilation speed

ON/Stand-By: allows activating or putting the

device in stand-by mode.

Minimum: allows limiting the ventilation speed

to a very reduced value.

A Display

B Keys

4.1

SMART TOUCH electronic control panel with modulation at fixed speed

4.2 Display

4.3 Keys function

SIU

E4T643

4.4

4.5

4.6

4.7

4.8

General start-up

Activation

Heating / cooling operating mode set-up

Stand By

Temperature selection

In order to control the device from the control panel, it first

has to be connected to mains.

If the power line is provided with a main switch, it should

be on.

- Start the system by toggling the main switch

If one of the 2 symbols flashes it means that the water

temperature (hot or cold) is not met and it makes the fan

stop until the water reaches the requested temperature.

If after powering the device the board detects the H2

probe, the start-up will take place under normal conditions

with minimum and maximum thresholds.

The board can also operate without a H2 probe, case in

which the fan stop thresholds will be ignored.

When the control is in this operating mode, the anti-freeze

safety is secured. If the room temperature drops below

5°C the solenoid valve output activates.

The adjustment range goes from 16 to 28 °C, with a

resolution of 1 °C, but the system also allows the out of

range values 5 °C and 40 °C (except when in auto mode).

These values should be set only for short periods of time,

the selection should then be adjusted to an intermediate

value.

To activate the device

Key Operation Display

Press the Heating / Cooling key for about 2 seconds to switch between heating and

cooling operating modes; the selection is shown by 2 heating on or cooling on symbols

that will light up.

In heating, the symbol is alight when the setpoint is higher than the room temperature,

both are switched off when the setpoint is lower.

In cooling, the symbol is alight when the setpoint is lower than the room temperature,

both are switched off when the setpoint is higher.

In 4-pipe versions provided with automatic cooling/heating regulation system if the 2

symbols are switched on at the same time it means that the setpoint has been reached

(neutral band).

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

From on to off

Key Operation Display

Press the ON stand-by key From off to on

Select one of the four speeds by pressing the relative key.

Key Operation Display

Use the two increase and decrease keys to set the desired room temperature displayed

on the 3 digit display.

SIU

E4T643

4.9

4.10

4.11

4.12 Deactivation

The control ensures anti-freeze safety even when set to

stand-by.

Key Operation Display

Press the ON stand-by for about 2 s: When the device is in "stand-by" status (no

function) there are no light signals on the display.

From on to off

Key Operation Display

Use the 4 keys to select the fan speed (automatic, minimum, super silent and maximum).

The function activation will be signalled by the relative symbol on the display

In automatic mode, when the room temperature is about to

reach the setpoint the fan performs a regulation "in steps".

The super silent setting causes strong dehumidification

in cooling and only radiant energy (with fan off, solenoid

valve and for RS versions micro-fans on) in heating. By

setting the maximum speed you will immediately.

After reaching the desired room temperature you should

select one of the other 3 operating modes to increase the

thermal and acoustic comfort.

In "minimum", the number of rotations of the fan will be

limited both in heating and in cooling.

Key Operation Display

Press both keys + and - at the same time for 3 seconds to activate the local lock up of

all keys, the confirmation is represented by the text bL appearing on the display.

The user will not be able to perform any adjustment and the text bL appears every time

a key is pressed. Repeat the sequence to unlock the keys.

Key locking

Minimum brightness reduction

After 20 seconds from the last action the panel brightness

will be reduced to increase the comfort during night use

and on the display will appear the room temperature.

If this level of brightness still bothers you you can turn off

the display completely.

Key Operation Display

With the panel off press the + key for 5 seconds until the text 01 appears on the

display.

Use the - key to bring the value to 00 and wait 20 seconds to check for the correct

setting.

Ventilation speed adjustment

SIU

E4T643

4.13

4.14

Room temperature probe offset adjustment

Long term shut-down

For seasonal shut-downs or holidays proceed as follows:

- Disable the device.

- Set the main system switch to Off.

The anti-freeze function is not on

In some cases the detected values might not represent

the real temperature due to the fact that the temperature

probe is located in the lower section of the device.

Use this function to adjust the measured value shown on

the display within a range of +/- 10 °C in 1°C steps.

Use this adjustment carefully and only after having found

deviations from the actual room temperature using a

reliable tool!

Key Operation Display

With the panel off hold the - key for 5 seconds to access the menu from which you can

adjust (using the + and - keys) from –10 to +10 K in 0.1 K steps the offset of the AIR

probe displayed on the screen.

After 20 seconds from the last action performed the panel turns off and the setting is

saved

Error Display

Room temperature probe (AIR) failure.

Fan motor fault (for example jamming due to foreign bodies or fault in the rotation sensor).

Water temperature probe failure for 2-pipe versions (H2).

In this case make sure the probe has 10 kΩ.

Operation of the S1 grill microswitch due to filter cleaning

4.15 Error signals

MAINTENANCE

5.1

5.2

MAINTENANCE

External cleaning

Disconnect the unit from the power supply before

each cleaning and maintenance intervention by setting

the main power supply switch to off.

Wait for the components to cool down in order to

avoid any burns.

Do not use abrasive sponges or abrasive or corrosive

detergents as you might damage the painted surfaces.

Clean the external surfaces of the cooler-radiator using a

soft cloth dampened with water.

Cleaning the air suction filter

After a period of continuous operation, depending also on

the concentration of impurities in the air, or whenever you

have to restart the system after a period of inactivity, you

should proceed as described below.

- remove the front grill by lifting it slightly and turning it

until releasing it from its housing;

- remove the filter by pulling it horizontally and outwards.

Filter cells removal for suction grill with flaps versions

Front grill

Grill housing

Filter

Filter removal

B C

MAINTENANCE

- Put your hands under the ends of the mobile panel

- Press the plastic tabs

- Lift and remove the mobile panel

- Remove the filter.

Filter cells removal for mobile suction panel versions

Mobile panel

Plastic tabs

Filter

Filter removal

- suction the dust from the filter using a vacuum cleaner

- wash the filter with running water without using any

detergents or solvents and then let it dry.

- Remount the filter on the cooler-radiator, paying

particular attention to introduce the lower flap in its

housing.

It is forbidden to use the device without its mesh filter.

The device is fitted with a safety switch that prevents

the fan from starting if the mobile panel is incorrectly

positioned or missing.

After filter cleaning check if the panel is properly

mounted.

Filter media cleaning

Filter

Lower flap

Filter housing

MAINTENANCE

5.3

A B

Suggestions for power saving

- Keep the filters clean;

- keep the doors and windows of the locations fitted with

air conditioning systems closed as much as possible;

- during summer limit as much as possible the entry of

direct sun rays in the rooms fitted with air conditioning

systems (use curtains, blinds, etc.).

- For mobile panel versions lean it in its position parallel

to the front and press until locking it.

- For the grill with flaps versions insert the two tabs in

the appropriate slots, turn them and hook them giving

them a slight hit on the top.

End of the cleaning operations

Tabs Slots

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Innova AirLeaf ECA644 User manual

Brand: Innova

Model: AirLeaf ECA644

Type: User manual

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