Swegon CASA R120 Instructions For Installation, Operation And Maintenance

Swegon CASA® R120
Instructions for installation, operation and maintenance
R120_g_EN-m
Content
Instructions for Use
For the user
Installation, operation and mainte­nance
R120.211112
For fitters and service personnel
1. Installation instructions ........................................ 6
Important information �����������������������������������������������������������6 1�1 General ����������������������������������������������������������������������������7 1�2 To install the ventilation unit ��������������������������������������������7 1�3 Ceiling installation �����������������������������������������������������������7 1�4 Installation in ceiling mounting frame ������������������������������8 1�5 Condensate discharge ������������������������������������������������������8 1�6 To connect the cooker hood ���������������������������������������������9 1�7 Electric and control cables ������������������������������������������������9 1�8 Ducts ����������������������������������������������������������������������������� 10 1�9 Moisture barrier against cold timber frames �������������������10
2. Operation ............................................................ 11
2�1 Basic functions ��������������������������������������������������������������� 11 2�1�1 Fans ���������������������������������������������������������������������������� 11 2�1�2 Temperature ���������������������������������������������������������������11 2�1�3 Protective functions ����������������������������������������������������11 2�2 Optional items of equipment – automated control system ��������������������������������������������������������������������������������������������11
3. Application .......................................................... 12
3�1 To set the airflows ����������������������������������������������������������12 3�2 Premium control panel ���������������������������������������������������12 3�3 Premium cooker hood ����������������������������������������������������12 3�4 Start menu ���������������������������������������������������������������������14 3�4�1 Fireplace switch function ���������������������������������������������14 3�4�2 Fan speed �������������������������������������������������������������������14 3�5 Main menu �������������������������������������������������������������������� 14 3�5�1 Language ��������������������������������������������������������������������14 3�5�2 Installation and service ������������������������������������������������ 14 3�5�3 Clock �������������������������������������������������������������������������� 14 3�5�4 Summer night cooling� ������������������������������������������������14 3�5�5 Temperature ���������������������������������������������������������������14 3�5�6 Basic display ����������������������������������������������������������������14 3�5�7 To switch off the unit ��������������������������������������������������14 3�5�8 Fireplace switch function ���������������������������������������������14 3�5�9 Weekly timer ��������������������������������������������������������������14
3�5�10 Ventilation unit model �����������������������������������������������15 3�6 Installation and service ��������������������������������������������������� 15 3�6�1 Sensor fault ����������������������������������������������������������������15 3�6�2 Service reminder/alarms ����������������������������������������������15 3�6�3 Clock �������������������������������������������������������������������������� 15 3�6�4 Temperature ���������������������������������������������������������������15 3�6�5 Measurement �������������������������������������������������������������15 3�6�6 Control �����������������������������������������������������������������������15 3�6�7 Fan speeds ������������������������������������������������������������������ 15 3�6�8 To switch off the unit ��������������������������������������������������15 3�6�9 Factory settings ����������������������������������������������������������� 15 3�6�10 Actuators ������������������������������������������������������������������ 15 3�6�11 Functions ������������������������������������������������������������������ 15 3�6�12 Electric air heater ������������������������������������������������������15
4. Servicing .............................................................. 16
4�1 Service reminder ������������������������������������������������������������16 4�2 To open the ventilation unit �������������������������������������������16 4�3 Filter change ������������������������������������������������������������������ 16 4�3 Other servicing ���������������������������������������������������������������16
5. Alarms and troubleshooting .............................. 17
5�1 Alarms ��������������������������������������������������������������������������� 17 5�1�1 Alarms from a Premium control panel �������������������������17 5�2 Troubleshooting: ������������������������������������������������������������17 5�2�1 The supply air is not sufficiently heated ����������������������� 17
6. List of components ............................................. 18
7. Technical data ...................................................... 19
7�1 Sizing �����������������������������������������������������������������������������19 7�2 Wiring diagram, ventilation unit ������������������������������������� 21 7�3 Power consumption ������������������������������������������������������� 21 7�4� Wiring diagram, optional equipment ����������������������������22 7�5 Control diagram ������������������������������������������������������������24 7�6 Dimensions �������������������������������������������������������������������� 25 7�7 Weight ��������������������������������������������������������������������������25 7�8 Optional equipment ������������������������������������������������������� 25
8. Commissioning .................................................... 26
Plant data to be given when requesting service
Project planning
See separate project planning instructions, www�swegon�com�
N.B.! The manual was originally written in Finnish.
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Swegon reserves the right to alter specifications.
Instructions for Use
Important information!
R120.211112
Airflows
The air in the home should be changed at a continuous and sufficient rate to ensure a pleas­ant indoor climate and avoid damage to building elements caused by dampness� The ventilation unit should be stopped only while service work is in progress�
The airflow from the ventilation unit can be controlled to generate the various airflows from a Premium control panel or a Premium cooker hood�
• Away = a low airflow, which can be utilized when no one is in the home and there is no need for the same ventilation that is normally in use, e�g� for moisture-removal�
• Home = normal airflow�
• Boost = a high airflow, used in connection
with cooking, taking a sauna bath, showering, drying laundry and similar activities�
The Away/Home operating modes and the tem­perature of the supply air can be controlled with the ventilation unit’s built-in weekly timer; how­ever the operating mode can always be changed from the Premium control panel or the Premium cooker hood�
A low airflow when the home is unoccupied means economical operation� This saves on fan energy and the home heating system does not have to heat as much air during the cold season�
The most important function of the venti­lation system is to ensure that the indoor air will be continuously fresh and to re­move impurities and moisture from the air.
You should therefore make an appraisal of whether a low airflow is sufficient while the home is unoccupied. The low airflow mode must absolutely not be used when someone is in the home.
If the load on the home is greater than you’ve anticipated, then you should increase the normal airflow to a correspondingly higher rate.
Drying laundry
A tumbler dryer of extract air type or a drying cabinet must not be connected to the system due to the high moisture content in the air leav­ing them� We recommend a condensing tumbler dryer without duct connection�
Freeze protection
During periods of cold weather, the heat ex­changer is liable to freeze if the extract air is humid� A protective function then automatically reduces the speed of the supply air fan� Under such conditions, variations in the fan speed are therefore normal�
Filters
The ventilation unit must not be operated with­out filters� Use only filters recommended by Swegon in the ventilation unit�
Commissioning
The ventilation should not be commissioned until all work that produces large quantities of grind­ing dust or other impurities has been completed�
Swegon reserves the right to alter specifications.
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Control from a Premium control panel
When the power is switched on, the ventilation unit starts up in the Home operating mode� The start time is approx� 1 minute� After that, the control panel can be used� Likewise after a power failure, the ventilation unit starts up in the Home operating mode, if the power failure has cleared the memory�
The functions of the push buttons are described in the image to the right�
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Fireplace switch function
The speed of the extract air fan decreases and the speed of the supply air fan increases for a few minutes� This produces excess pressure in the home and in this way "creates" an updraught in the chimney, which makes it
easier to light the log-fire�
Selection of fan speed
The fans inside the unit can be controlled to operate at three speeds: Home/Away/Boost� Select the required fan speed from the control panel�
You can select an airflow boost time of 30, 60 or 120 minutes, or continuous boosted airflow�
The operating mode can be manually changed, even when the fan speed is controlled by the weekly timer�
Menu/Installation and service
You can enter settings that affect the operation and functions of the ventilation unit from the Installation and service menu and submenu� You should normally enter these settings when you install the ventilation sys-
tem� The settings are described in Sections 3�5 and 3�6�
Signal lamp
The indicating lamp on the control panel indicates the functions and alarms of the ventilation unit with various colours� This is described in Section 5�
Signal lamp
Fireplace switch function Return to previous menu level Move to the left
Menu structure
Selection of fan speed Move upward/downward Entering values
Fireplace switch
function
Installation and service
(See Section 3.6)
Menu Move to the right Setting function
Start menu
Fan speed
Menu
(See Section 3.5)
Control from a Premium cooker hood
The ventilation unit fan speeds and other settings should be entered via the Premium control panel� When you have entered these settings, the functions below will be available from the cooker hood control panel�
• The cooker hood damper� When preparing food or carrying out a similar activity, a 30, 60 or 120 minute damper-open period can be selected� One single press of the button will change the setting to the next damper-open period� The fourth press of the button cancels the setting and closes the damper�
• The cooker hood lighting� On/Off�
• The ventilation unit fan speed� The fans inside the
unit can be controlled to operate at three speeds: Away/Home/Boost� One single press of the button will increase the fan speed one step� The period for the boost speed is preset to 60 minutes, after which the ventilation unit will return to normal airflow�
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Control of the cooker hood shut­off damper Indication: 30/60/120 min�
The control panel of the Premium cooker hood
Lighting Ventilation unit fan speed
Away, home, boost
Swegon reserves the right to alter specifications.
R120.211112
To replace the filters
The home owner can change the fil-
ters himself or herself. Other service work must be carried out by qualified service personnel.
Extract air filter
The filter should be cleaned every six months and should be replaced at least once per year� It may be necessary to clean or replace the filter more often in homes where there is considerable dust�
Supply air filter
The filter should be cleaned every six months and should be replaced at least once per year� If the air is highly polluted, e�g� due to heavy traffic, the filter should be replaced more often�
Service reminder
The ventilation unit’s control system is normally preset for displaying a service reminder every six months� This time setting can be changed by qualified service person­nel�
The locations of the filters in a ventilation unit in the right-hand version. The locations of the filters are mirror-inverted in a ventilation unit in the left-hand version.
Wide-meshed filters and fine filter
Fine filter
Alarms
Alarms from a Premium control panel
• The indicating lamp is flashing red: The automated protection system has stopped the fans due to a malfunction� The alarm text is shown in the display� Contact service!
• The indicating lamp is lit with a steady red glow: Alarm or a service reminder� The alarm text is shown in the display� Contact service!
• The indicating lamp indicates certain unit functions with other colours� See Section ”3�2 Premium control panel”
The ventilation unit must not be op-
erated without filters! Use only filters recommended by Swegon in the ventilation unit.
Find the correct filters in Section 6. List of components
.
Swegon reserves the right to alter specifications.
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1. Installation instructions
Important information!
R120.211112
Qualified personnel only
The installation work, the entering of settings and commissioning should be carried out by qualified personnel only�
Standards and requirements
The pertinent national standards and regula­tions dealing with installation, the entering of settings and commissioning must be followed if the equipment is to operate correctly�
You will find the document entitled “Project design instructions for ventilation” at the web address www�swegon�com/casa, in which requirements on electric power, noise, airflows and duct systems are presented� Each country has specific national requirements which must be observed�
Right-hand or left-hand version
Check whether the ventilation unit has been supplied in the right-hand or left-hand version to make certain that you are connecting the air ducts to the correct duct connection spigots on the unit� See also the dimensional drawings in Section 7, Technical data�
Drying laundry
A tumbler dryer of extract air type or a drying cabinet must not be connected to the system due to the high moisture content in the air leav­ing them� We recommend a condensing tum­bler dryer without duct connection�
The covered duct connection spig­ots
The duct connection spigots of the ventilation unit must be covered by lids during transport, storage and installation�
Filters
The ventilation unit must not be operated without filters� Use only filters recommended by Swegon in the ventilation unit�
Commissioning
The ventilation should not be commissioned until all work that produces large quantities of grinding dust or other impurities has been completed�
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Swegon reserves the right to alter specifications.
1.1 General
You can install the ventilation unit in a scullery, stor­age space, attic, etc� If the ventilation unit is located in a cold space, it should be have thermal insulation, if required�
The ventilation unit conforms to enclosure class IP 44 when the cover is closed�
Connect the extract air from the Premium cooker hood, if the need arises, via a duct to the extra duct con­nection spigot on the top side of the ventilation unit� Otherwise, blank off the connection spigot�
To make it easier to lift the ventilation unit, the inspec­tion cover can be removed and the heat exchanger can be dismantled from the unit� The fans can also be removed if necessary� See Section 4, Service�
1.2 To install the ventilation unit
Secure the ventilation unit to the wall using the wall mounting bracket supplied with the unit�
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Horizontal stud for the ventilation unit’s mounting bracket
Acoustic insula­tion
On delivery, the package containing the wall mounting bracket is inside the bypass duct.
The ventilation unit should not be secured to a wall that borders to a living room or a bedroom.
If the wall is composed of vertical studs and building boards, the wall must be reinforced with horizontal studs to enable it to support the weight of the unit�
Swegon also recommends that the wall be insulated with mineral wool or similar insulation for preventing sound from propagating to other rooms�
Secure the mounting bracket horizontally to the wall with screws, using a suitable means of anchoring that can support the weight of the ventilation unit�
Lift the ventilation unit into place, so that the wall bracket tips engage into the corresponding slots on the backside of the ventilation unit�
Make sure that the electric and control cables are visible. See also Section 1.7 Electric and control cables.
Wall mounting bracket’s dimensions
Horizontal reinforcement
Wall mounting bracketInsulated wall
The ventilation unit can also be mounted in a mounting frame on the ceiling� See Optional Equipment�
1.3 Ceiling installation
Fasten the ceiling mounting frame with four M8 thread­ed rods in the ceiling anchor sleeves so that at least three of the threaded rods are aligned with the corners of the ceiling mounting frame� To avoid a possible col­lision with the ducts, one of the threaded rods can be located in the hole next to the corner� Screw in the M8 nuts onto the threaded rods to such a height that the
Swegon reserves the right to alter specifications.
The points on the locking hooks on
the edge of the ceiling mounting frame should be bent back.
The bottom of the ceiling mounting frame should be positioned approx. 15 mm be­low the ceiling surface. If ceiling moulding is fitted around the frame, it should be mounted after the unit has been installed.
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R120.211112
ceiling mounting frame will be horizontal when the top of the frame goes against the nuts� Fit the mounting frame through the selected holes against the nuts on the threaded rods and lock the frame into position with nuts from below� The ends of the threaded rods are per­mitted to stick out max� 3 cm from the ceiling mounting plate� If they stick out farther, they will protrude against the unit’s upper casing section�
1.4 Installation in ceiling mounting frame
Run the power supply and data cable through the ceil­ing mounting frame before you lift the unit into posi­tion� Lift the ventilation unit into the ceiling mounting frame so that all four locking hooks will fit correctly in the notches at the top of the unit� The locking hooks have two catches; the lower one locks the unit to facilitate connection to the ducts and the wiring of the electric cables� When the unit is at the correct position in relation to the duct and the electric cables have been run inside the unit, lift up the upper catches� When the catches are locked the screws of the upper section spring out� Finish by ensuring that the ventilation unit is mounted at its location by tightening the screws in the upper casing section�
Make sure that no wires or the like come to rest between the ventilation unit and the mounting bracket.
The R120 lifted up on the lower catches.
Lock the R120 into place by tightening the screws in the front.
1.5 Condensate discharge
As a rule, no condensate discharge is needed under dry ambient conditions and in combination with a rotary heat exchanger� A certain amount of humidity load is common in homes� If substantial moisture is produced in the home, connect the ventilation unit’s condensate drain connection to discharge piping�
Connect the condensate discharge hose to the con­densate discharge connection of the unit (3/8”, Male threads)� The condensate must be channelled to a floor gulley, the water trap of a sink or the equivalent by means of a stiff hose or a pipe having an inner diameter of at least 12 mm� The water must not be led away directly to the sewer�
Vertically mount the water trap on the hose supplied with the unit and fill it with water� The hose must not have a second water trap or be run horizontally� The damming height of the water trap should be at least 100 mm�
Do not use the cooker hood for basic kitchen ventilation; use it only when you prepare food.
Condensate discharge
Ø 125 mm
The electric and control cables of the ventilation unit are located on the top side of the unit. Make sure that the electric ca­ble can be connected to a wall outlet.
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Swegon reserves the right to alter specifications.
1.6 To connect the cooker hood
Connect a duct from the cooker hood duct connec­tion spigot to the connection spigot on the top side of the ventilation unit, which is intended for separate extract air and which conveys the air to bypass the heat exchanger�
The duct between the cooker hood and the ventilation unit must be mounted in such a way that makes it pos­sible to clean it�
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If the bypass from the kitchen is not used, the outlet spigot must be blanked off�
1.7 Electric and control cables
The unit has an earthed plug contact for connection to the mains power� The mains plug serves as the ventila­tion unit’s main switch and it should be connected to an electric socket at an easily accessible spot�
The room unit is equipped a 1�5 m long cable with plug­in contact, installed from the topside of the ventilation unit� Arrange the wall outlet at an easy-to-reach loca­tion� For power requirement particulars, see Section 7, Technical data�
Connect the ventilation unit to the Premium control panel via a modular cable� Install the Premium control panel at a place of your choice� Two modular cables are included in the supply: one approx� 3 m long cable and one 20 m long cable�
When installing the unit, make sure that you provide adequate access to the connector of each cable (loose ones as well), e�g� for servicing and adjusting the unit, if and when the need arises�
The diameter of the modular cable wiring tube should be 20 mm�
To dismantle the front plate on a Premium control panel.
To connect the modular cable. The extra contact is used for connection of an extra control panel.
The electric and control cables are located on the top side of the ventilation unit. Make sure that the electric cable can be connected to a wall outlet without ob­struction.
The connection of possible optional equipment is described in the wiring diagram in Section 7, Technical data� The cables for the optional items of equipment are not included in the supply�
If you lengthen the modular cable within some building element (e.g. in a wall), you should lengthen the cable in a 20 mm dia. conduit, anticipating a possible later change of cabling.
Swegon reserves the right to alter specifications.
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R120.211112
1.8 Ducts
Install the air ducts, sound attenuators, supply air diffus­ers, air intake grilles and exhaust air ducts as shown in the ventilation drawings� To prevent the propagation of sound, do not install the ducts directly against structural building elements�
Insulate the air ducts in order to reduce loss of heat or cooling energy and to prevent water from condensing on surfaces�
In general, ventilation ducts are insulated in the follow­ing manner:
• Outdoor air ducts are insulated in warm spaces and in attics that are used�
• Exhaust air ducts should always be insulated in ac­cordance with national regulations� See separate pro­ject planning instructions (for example Fire resistance classification requirements)�
• Insulate supply air ducts in cold spaces�
• Insulate extract air ducts in cold spaces�
• If the air inside the duct is colder than the air in the
surroundings, the insulation should be protected by a moisture barrier (e�g� outdoor air and exhaust air in interior spaces, or chilled supply air)�
1.9 Moisture barrier against cold timber frames
It is important that the moisture barrier between cold stud work and the warm ceiling maintains its tightness at duct penetration points� A duct penetration piece (optional extra) will facilitate this�
The thickness of the insulation and the nature of the surface layer of the ven­tilation ducts vary depending on insulation material, climate zone and national stand­ards in force. For this reason, Swegon does not offer any general recommendations. Most manufacturers of insulation material offer calculation programs for the calcula­tion of sufficient and correct insulation.
In renovation projects, it is advisable to examine the existing ducts to determine whether they are sufficiently and correctly insulated.
It is essential that the ventilation ducts are clean in order for the ventilation unit to operate as it should. The ventila­tion ducts should be cleaned regularly and always when the home is renovated.
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Insulating in the right way is necessary for the ventilation unit to operate correctly.
When the freeze protection function is activated, you cannot change the ven­tilation unit fan speeds from the control panel.
Swegon reserves the right to alter specifications.
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