Ensy AHU-700 BV/1 User manual

User manual and

Installation Guide

AHU-700 BV/1

AHU-700 BH/1

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 1

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 2

Utente manuale

.Page 2 to 9

(Pictures on pages 2-5 shows AHU-700 BV/1)

To open the front hatch you will find a key

for the quarter turn latches in the folder

together with the following documents.

Keep this key in a place so it is out of reach

for children.

To open the locks, turn the key toward the

center of the unit.

Left latch Right latch

To close, after putting the hatch back on place, turn the latches the opposite way. You may use some

pressure towards the hatch to close it.

Be careful that the door can "be stuck" in the sealing on the hatch.

For easier loosening of the hatch, release it first in one corner at the top.

To operate this product people should have necessary skills, or under the supervision of

a qualified person.

Children should be told to not play with the appliance.

When you lift off the front hatch from

the device, make sure the spiral cable

that connects the device and the front

hatch is not overstretching for a long

period. This can damage the cable.

During commisioning of the

appliance, when installed,

the spiral cable has to

connected in order to have access the

control panel in front of the hatch.

When servicing and cleaning,

this spiral cable should be

disconnected. Make sure that the spiral

cable is disconnected and connected

without the use of force. This to

prevent contacts on cable to be

damaged. Note! If the spiral cable is broken, you have to order new original cable from supplier.

Standard cable from store would not work.

New spiral cable has art.no: 330541-2 from supplier.

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 3

Before any access into the

electrical connections boxes, power

must be disconnected by pulling out

the plug from the socket.

It is only allowed for authorized persons to enter

into the electrical connection boxes

If any electrical components are damaged, they

must be replaced by the manufacturer, dealer or a

qualified person in order to avoid dangerous

situations.

Adjustment of the unit

A humidity sensor is, from factory, mounted inside

the unit. It is set to “0” that means it is set to not

active.

After startup, where the unit is placed into a new building with high

humidity, you can let this humidity sensor be turned off for a period to

avoid the full speed of the fan at night. To get the humidity sensor to

operate as intended, you need at one time to put it active. Than you

need to set the switch in position "1".

If the ventilation unit is placed in a house without high humidity, you should switch to position "1"

after you putting ventilation unit into operation.

This switch will also affect any extra external humidity sensor that is plugged into the device

Adjusting the humidity sensor.

If it is necessary to adjust the sensitivity of the humidity sensor

then you must, on older models, remove the cover, which is over

the control board where this adjustment is located.

Unplug the supply before removing the cover

On newer models, you just can remove the black

plug and you then can see the adjusting knob and

the RH% scale

Pictures shows AHU-700-BV/1

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 4

The sensor is set to 80% RH from factory.

If you do adjustments, this only affect the

sensor integated inside the unit.

The sensitivity for the integrated sensor you can

adjusted from 50% (low) to 90% (high) in accordance

to what are the needs. The arrow points the value

chosen.If you have a second external sensor that

means you need to adjust that one from its settings

Replace the cover and / or plug after finish adjusting.

Replacing the filter.

The filters should be

replaced every 6. 9. or 12.

months.

Should be extracted without

use of any tools.

Remember to enter the

control panel menu (4.3

Filter) and press Filter OK

after the filters has been

replaced.

To guaranted optimal properties of the ventilation unit, use the original filters from

EnSy. The use of spurious filters will limit the warranty on the product.

Ensy art number for filter set is:

011460876-2 SET FILTRE ENSY AHU 700 BV/1- BH/1. F7: 165x479x94

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 5

Cleaning the fans.

AHU-700 BV/1 BH/1

A qualified person must

do this.

Disconnect the 3-pole

and 5-pole plugs.

Before you can pull out

the fans, you have to

remove the brackets

that holds the fans in

correct position.

Important that these brackets is placed back after cleaning.

Clean with mild soap and water.

393843-2 Rev 0: 01.09.2017. BBV

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Maintenance and cleaning of

rotary heat exchanger

This must be done by a qualified

person.

Disconnect the 3-pole plug.

Can be pulled out of the

ventilation unit without the need

for any tools .

Do not expose the rotor motor or

connector for moisture.

Rotor exchanger can easily be

removed for cleaning by dissolving

the 14 screws that hold it together.

The exchanger you also

can clean with mild soap

and water. Do not use

ammonia-containing

detergent, as this will prey on and

discolor aluminum in rotary heat

exchanger. Flushed with hand shower

and blow gently clean with

compressed air.

Ensure that the screws are

tightened sufficiently so that they

do not come loose during operation.

Preferably use a screwdriver to tight the screws. If use of electrical screwdriver, make sure that you

use low torque to prevent destroying the springs in the sheet metal parts.

To make sure that the drive belt can adjust itself into correct position you must rotate the exchanger

some few turns.

Then insert back into the ventilation unit. Be sure that rotor exchanger is properly

inserted in all the guides inside the unit. If not, this can lead to vibration in the system

and internal air leak in the unit.

393843-2 Rev 0: 01.09.2017. BBV

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Main menu

1. Control Button indicator for fan.

2. Control Button indicator set point.

3. Control Button indicator information.

4. Control Button indicator settings.

Overview of control panel

The main screen consists of, from top, left:

Time Indication, hour, minute

Timer, Weekly schedule (if programmed)

Reheating coil (if connected)

Temperature readings, Outdoor / Indoor

Status airflow – fan speed setting

OFF MIN NORM or MAX

Temperature set point, 15 - 21 °C

Reheating coil – (here refers active element)

Rotary exchanger Indicator - (here refers

active rotary wheel)

Indicators in the menu screen:

"Sun" indicates that the rotor has

stopped, the air handling unit is in

the summer operation mode.

"Snowflake" low temperature

indicates that the air handling unit

is in defrosting mode.

"Steaming pot" and blinking fan

blades indicates that the kitchen

exhaust is activated.

"Timer" and the countdown of the

fan symbol indicate that the forced

ventilation is enabled.

From 10 up to 240 minutes

"Away" indicates when the feature

is enabled, this feature will override

timer.

"Clock over the fan symbol"

indicates that the timer is activated.

Co2 over the fan symbol" indicates

that the carbon sensor is activated.

"Exclamation point" indicates that

moisture recorded over the sensor

is higher than the set value.

May also indicate that the motion

sensor is activated if connected on

D2 signal output.

This symbol indicates that the

rotary heat exchanger is activated

and will be rotated

Control Button 1.

393843-2 Rev 0: 01.09.2017. BBV

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1.Fan speed

Ventilation unit has three options for choice of

airflow.

Min, Normal and Max. For programming of

values within each step, see 4.5.1.3 Using the

control button 1, and - / + buttons can change

between the pre-programmed selections.

1.1 Fan boost

Forced ventilation, fan speed increases to max

speed. (Means to the speed that is set in

menu 4.5.1.3.) The function is for use if high

humidity in bathrooms and laundry room.

Forced ventilation can be activated with

button

then

Interval adjustable from 10 - 240 min with +

and -

This picture shows 10 min forcing time, but

not activated.

To activate the fan boost use

control button 4.

You can see that the fan are running with Max

speed and the clock will start countdown.

You can easy deactivate the fan boost again

before the countdown automatically stops it.

First control buttom 1 and then 4.

This feature can also be operated with an

external pulse switch. The switch is placed in

the bathroom or adjacent rooms. Connected

to contact D1 in top of the ventilation unit.

(Look at page 23 in this manual).

If this option via D1 is intended for use against

wood stove or fireplace then it is

recommended that Max speed under Fan

control in menu 4.5.1.3. is set to Supply 100%

and adjust Extract to be 80 to 85%. (Look at

page 10 in this manual)

2. Temperature

Choose from pre-programmed temperature

settings set point between 15 - 21 °C. Setting

is changed by operating the switch buttons

below - / +symbols.

Heating element can here be set ON or OFF

by operating the switch button 4 in this

screen, but only if heater is connected.

(To see if heating coil is connected or

disconnected, see 4.5.1.1 Heater)

Indicator for activated heating coil.

Small picture show not activated.

393843-2 Rev 0: 01.09.2017. BBV

We reserve the right to change technical data without notice. http://www.ensy.no Page 9

3. Information.

3. Information / 3.1.Alarms

When alarm you can find a source of error

here, as well as info on how the alarm is reset.

(See pages 28 and 29 in this manual)

3. Information / 3.2 Program version

Information about the software

version. This information must be provided to

service personnel at the failure of the unit.

Which display is defined as Display 1 or

Display 2 appears here if the plant has

mounted two displays.

See 4.5.1.10 selection of the displays

3. Information / 3.3. General info

Here you can see defrost mode that has

been chosen.

(See 4.5.1.9 if you want to change mode.)

4. Preferences

To navigate within the various sub-menus

when using the control buttons below the up /

down cursor key that displays on the display.

4. Preferences / 4.1 Time/date

Setting menu for Time/date. This setting is

important since the information forming the

basis for the weekly schedule function if this is

to be activated. Also for the filter alarm

function it is needed.

This manual suits for next models

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