Ensy AHU-400 BH User Manual And Installation Manual Download Page 1 | Manualshive

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User manual and
Installation Guide

AHU-400 BV
AHU-400 BH

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Summary of Contents for AHU-400 BH

Page 1: ...User manual and Installation Guide AHU 400 BV AHU 400 BH ...

Page 2: ...e 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...

Page 3: ...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...

Page 4: ...al 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 guarantee optimal properties of the ventilation u...

Page 5: ...e fans in correct position Important that these brackets is placed back after cleaning Clean with mild soap and water AHU 400 BH A qualified person must do this Disconnect the 3 pole and 5 pole plugs The supply air fan can be pulled out of the ventilation unit without the need for any tools Before you can pull out the extraxt air fan you have to remove the bracket that holds the fan in correct pos...

Page 6: ...se 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 destroyi...

Page 7: ... 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 whe...

Page 8: ...k 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 ...

Page 9: ...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 di...

Page 10: ... on the indicator Select the desired supply air temperature you want during the period Settings between 15 21 C If weekly schedule looks something like this without any reason then you must punch in all the data again It do not help to update software 4 Preferences 4 3 Filter Setting the time interval for filter change current choices are 6 9 or 12 months Make your choices by using the cursor keys...

Page 11: ... to change to to 3 C if wanted 4 5 1 3 Fan control Factory settings for AHU 400 BV and BH you can see in next picture The installer can adjust these settings so that it is adequately balanced ventilation 4 5 1 4 Co2 control If the unit shall be connected CO control then connect it to C0 connector on top of the unit See page 23 in this manual Menu for enabling disabling of CO control Scroll to Off ...

Page 12: ...ernal humidity sensor or motion sensor Use the D2 connector on top of the unit See page 23 in this manual Note In order for this feature to work you need the one pole switch marked RH ON OFF inside the unit to be set in position 1 See page 2 of this manual for the location of this switch Supply and Extract air should have the same value as the MAX value under 4 5 1 3 Set to 100 from factory 4 5 1 ...

Page 13: ...e OFF from factory Modus 1 at low humidity Defrosting function start at 20 C Modus 2 at normal humidity Defrosting function start at 15 C Modus 3 at high humidity Defrosting function start at 10 C The function when defrosting starts is that each hour the supply air fan stops for 6 minutes The heater EV turns off Extract air fan reduces speed to 30 and the rotary exchanger will run as normal To avo...

Page 14: ...If two control panels should be used then from this menu it has to be specified that one of the control panels is Display 1 and the other one is Display 2 This to avoid delay in the signals between the control panels and main control board inside the unit It does not matter which of the control panels that are called Display 1 or Display 2 ...

Page 15: ...ilt in heater for supplementary heating of supply air Humidity sensor for forced ventilation is integrated into ventilation unit Control panel is integrated into the front hatch Option for a second control panel to be connected is made outside the unit The unit can also connect additional equipment cooker hood over the stove pulse switch for controlling the forced ventilation for example wet rooms...

Page 16: ...elect how the unit should be mounted so that the piping system should be as easy as possible Sketch over show AHU 400 BV Sketch over show AHU 400 BH Cooker hood Exhaust air Extract air from room Supply air to room Fresh air from outside Cooker hood Fresh air from outside Supply air to room Extract air from room Exhaust air ...

Page 17: ...lding If ventilation unit will be placed as the sketch shows it must not be covered so that service is prevented If placed at the attic make sure that there are at least 500 mm clearance over the front hatch so there will be room for service 2 1 Brackets and vibration gasket Suspension bracket screwed on top of the unit as shown Use 8 pcs M5 x 16mm supplied with the unit Sketch over show AHU 400 B...

Page 18: ...se 6 pcs wood screws 5 x 40mm supplied with the unit for each bracketMonter veggfestet med vibrasjonspakning Påse at vibrasjonspakningen er intakt Mount the wall bracket with vibration gasket Be sure that the vibration gasket is intact Glue vibration gasket to the back of the unit see illustration Approx 60mm from the bottom of the unit 2 2 Stopper brackets To prevent the unit to be lifted out of ...

Page 19: ...ttp www ensy no Page 18 2 3 Mounting of cooker hood If kitchen exhaust hood is to be used together with the unit If kitchen exhaust hood is to be connected into the top of the unit you must remove the end cap in the top that is marked COOKER HOOD Sketch shows AHU 400 BV Sketch shows AHU 400 BH ...

Page 20: ...Page 19 2 4 Duct cover If you want to use a duct cover to hide the pipings you will need the distance 296 mm from the roof and down to the top of unit The duct cover has to be ordered separately from supplier Art 0100307 2 The instruction how to mount this duct cover you will find together with the duct cover ...

Page 21: ...JK We reserve the right to change technical data without notice http www ensy no Page 20 2 5 Dimensions Sketch shows AHU 400 BV Sketch shows AHU 400 BH All ducts are Ø160 mm except the one for the cooker hood That one is Ø125 mm ...

Page 22: ... insulated housing Integrated control system with Touch Panel for the control of the unit supplied as standard The unit is designed for optional connection of a cooker hood in top of the unit In top of the unit there is Look at page 23 Junction point of contact for connection for an extra control panel Junction point of contact for cooker hood KV Junction point of contact for Co sensor CO Junction...

Page 23: ... the signal to the unit to increase speed to max airflow CO sensor Can be installed in the living room and will give signal to the unit if the pollution level in the room is too hight Control panel Extra control panel placed at a suitable place in the building to do the monitoring and regulation of ventilation as simple as possible Must not be placed in bathrooms or wet area The control panel shou...

Page 24: ...e wire in the recess for wire in the box The control panel can also where concealed wiring be attached to standard wall box where the fastening screws in the wall box have 60 mm cc In order to dismantle the touchpad disc and display this can easily be done by using a knife with thin blade gently inserted between the jacket and the front plate Then flip the knife down so that the frame loosens When...

Page 25: ...st openings for ventilation central vacuum Hoods and Vents sewer vent chimney or other contaminated source such as dust exhaust from traffic etc The return of the exhaust air should always be in good distance from fresh air intakes close windows etc Sketch for piping when mounting the cooker hood to the top of the unit 1 Supply air bedroom 2 Supply air living area 3 Extract kitchen 4 Extract bathr...

Page 26: ...g Pairing of duct sections All joints between ducts T pipes bends reducers etc have to be locked by using special tape or at least 3 pieces of self tapping screws Sound reduction To avoid disturbing noise from blowers in living area installation of sound absorber silencer in the duct for supply and extract air recommended length 0 9 meters each section To prevent sound transmission between rooms v...

Page 27: ...a cold environment such as in an attic where the temperature is significantly lower than the ventilation air there is a risk of condensation inside the ducts This can be prevented by isolating the channel exterior In this case the channel wall being diffusion and would therefore insulate externally with a diffusion material of mineral wool It can also be used insulation tubes 100 mm mineral wool w...

Page 28: ...mportant that there are a signal from cooker hood connected towards the KV plug outside the unit to avoid this Rotor fault alarm Exhaust air louvers can be mounted in the ceiling or wall Supply air diffuser can be mounted in the ceiling or low wall In low wall must sectorial aperture positioned so that supply airstream carried upwards along the sloping ceiling Supply in the wall at the horizontal ...

Page 29: ...0 C All functions are deactivated and the unit will stop Manual reset of the fire thermostat Low voltage Voltage drops below 200 V All functions are deactivated Automatically after voltage rises to 212 V No connection from control panel to the master control board All functions are deactivated Automatically when contact is established again Less critical alarms Yellow flashing lights in the contro...

Page 30: ...press minus so that it is not active Then you can go back in the menu and set the fans in OFF position to reset the alarm Remember to go back into the weekly schedule and set the period 1 active again by pressing the button Press button 4 to accept the changes Then press button 1 two times to get to the start side again Rotor Fault alarm will not be activated if 1 When using the kitchen hood and s...

Page 31: ...____________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________...

Page 32: ...393805 2 Rev 0 05 05 2017 KJK We reserve the right to change technical data without notice http www ensy no Page 31 Ensy AS Mohagasvingen 1 N 2770 JAREN http www ensy no ...

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