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Summary of Contents for ATREA DUPLEX RA5
- Page 1 Version: 07 Issue: 2021_09 Code: R29_V07_2021_09 DUPLEX RA5, RB5, RK5...
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Page 2: Table Of Contents
Technical parameters ............................... 7 Description of main components of Duplex R5 units ......................8 Drawing and description of main components of DUPLEX RA5 units ..............8 Drawing and description of main components of DUPLEX RK5 units ..............9 Drawing and description of main components of DUPLEX RB5 units ..............10 Configuration options 10 / 11 for RA5 and RK5 units ..................... - Page 3 Connecting the integrated electric heater ........................18 Connecting the cold water coil ............................18 Connecting the direct evaporator / condenser ....................... 18 4.10 Installing the zone damper in the bottom outlet in RA5 and RK5 units................19 4.11 Installing controllers ............................... 19 CP Touch controller ...............................
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Page 4: Introduction
RD5 wiring diagram - optional accessories ........................44 1.3 Introduction The manual is intended solely for ATREA’s DUPLEX RA5, RB5 and RK5 balanced-pressure recirculating ventilation units including built-in RD5 control modules and a heat / cold exchanger. 1.4 Description of the unit It is a compact, recirculating ventilation unit with a heat recovery feature and built-in exchangers. -
Page 5: Intended Scope Of Application
• Before the installation and commissioning of the unit carefully read the installation, use and maintenance manual. • The unit and all of its accessories must be installed and used in compliance with the design, technical conditions specified by the manufacturer and applicable legislation and technical standards in effect. •... -
Page 6: Mandatory Accessories
Air heating or cooling coils can be connected to the unit. In addition, electric pre-heaters or integrated shut-off dampers can be used with RA5 and RK5 units. For designing your unit including accessories use ATREA’s own selection software. Integrated heating or cooling coils An integrated hot water coil for heating supply air, always configured for a particular type of the Modification T.3... -
Page 7: Description And Technical Data
These inputs must always be connected; alternatively, other types of sensors must be connected instead (e.g. CO , VOC and RH). For the detailed design of individual components use ATREA’s selection software. -
Page 8: Description Of Main Components Of Duplex R5 Units
3.2 Description of main components of Duplex R5 units Drawing and description of main components of DUPLEX RA5 units KEY: 1 – Unit’s casing, 30 mm thick mineral insulation 2 – Cover of the electric panel containing RD5 control system terminals 3 –... -
Page 9: Drawing And Description Of Main Components Of Duplex Rk5 Units
Drawing and description of main components of DUPLEX RK5 units KEY: 1 – Unit’s casing, 30 mm thick mineral insulation 2 – Cover of the electric panel containing RD5 control system terminals 3 – Counter-flow plate heat exchanger under a metal sheet cover 4 –... -
Page 10: Drawing And Description Of Main Components Of Duplex Rb5 Units
Drawing and description of main components of DUPLEX RB5 units KEY: 1 – Unit’s casing, 30 mm thick mineral insulation 2 – Cover of the electric panel containing RD5 control system terminals 3 – Counter-flow plate heat exchanger including fixing material 4 –... -
Page 11: Configuration Options 10 / 11 For Ra5 And Rk5 Units
3.3 Configuration options 10 / 11 for RA5 and RK5 units The basic configuration (that is, configuration 0) of RA5 and RK5 units has five circular duct connection collars from the top and one rectangular connection from the bottom. This configuration can be arranged in a mirror-wise fashion to position 10 or 11 – this must be specified when ordering as this cannot be done on site. -
Page 12: Optional Configurations Of Rb5 Units
3.4 Optional configurations of RB5 units There are two basic configurations – 30/0 and 31/0, arranged in a mirror-wise fashion – must be specified when ordering as no changes are possible on site. 30/0 31/0 Configuration 30/0 Configuration 31/0 The following two configurations can be arranged on site; they are versions with different positions of C2+E2 30/1 and 31/1 connections. -
Page 13: Descirption Of Air Filters
Unit assembly and installation The assembly and installation of the unit may only be carried out by a special firm trained by ATREA on the category of products in question. The unit may only be installed within premises designated and specified by this manual. - Page 14 ceiling ∅ C2/1 On the side without On the side without the connection ports the connection ports Distance between securing brackets in RB5 including clearances The unit is suspended using M8 threaded suspension rods, if possible with vibration insulators (available as optional accessory A160530).
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Page 15: Fitting A Reducer In Rb5 Units
4.2 Fitting a reducer in RB5 units The reducer is supplied as a standard feature. Before installing the unit, fit the reducer in the appropriate place – the unit’s outlet, and secure using the 4 bolts provided. 4.3 Changing the position of the recirculated air fan outlet in RB5 units Any changes in the position of the recirculated air fan motor should be made before suspending the unit from the ceiling –... -
Page 16: Connecting The Condensate Drain
4.4 Connecting the condensate drain The unit must be fitted with a condensate drain. The condensate drain must be fitted as indicated in the drawings. The condensate drain outlets not in use must remain sealed. The condensate drain line must include a trap and lead into a sanitary sewer. The trap must be permanently primed with water. After the unit has been out of operation and then re-commissioned, the trap musts be checked for priming and unobstructed passage. -
Page 17: Connecting The Condensate Drain Line In Duplex R5 Units
4.5 Wiring and cable entry point Do not connect the wiring until the unit has been completely mechanically installed and ducts tight-connected. The wiring must be connected with the power supply switched off. DUPLEX RA5 and DUPLEX RK5 DUPLEX RB5... -
Page 18: Connecting The Hot Water Coil
4.6 Connecting the hot water coil The hot water coil is an optional accessory for all DUPLEX R5 units. If it is included, it is supplied already installed in the unit in its position. The maximum permitted temperature of the heating fluid is 55 °C (treated e.g. by mixing primary heating water or from an automatically controlled source maintaining constant temperature) and operating pressure up to 0.25 MPa. -
Page 19: Installing The Zone Damper In The Bottom Outlet In Ra5 And Rk5 Units
In the event of fire, any rescue work may only be conducted while using personal protection equipment (safety gloves, eye • protection, a breathing apparatus or mask with filter against organic vapours) • If necessary, call the numbers shown below: 4.10 Installing the zone damper in the bottom outlet in RA5 and RK5 units Shut-off dampers for air distribution plenum boxes under RA5 and RK5 units are an optional accessory. -
Page 20: Cp Touch Controller
CP Touch controller The CP Touch controller is used for comprehensive control and programming the unit with RD5-type control systems, a standard feature of all DUPLEX R5 units. It is supplied for wall mounting. It can be mounted on a standard electrical junction box with a hole spacing of 68 mm. -
Page 21: Instrumentation And Control, Electrical Wiring
Instrumentation and control, electrical wiring Any work on the control system (replacing / removing sensors, checking connections of individual parts etc.) must be done when the system is not live (after disconnecting the power supply)! 5.1 RD5 control system with CP Touch controller The CP Touch controller can be connected to DUPLEX units fitted with an RD5 control panel. -
Page 22: Starting The Display
Number of T.CAN controllers 0…………..Unconnected jumper ………Connected jumper Controller description and function Turn on the light of the controller by clicking on the dark screen. The CP Touch controller can be connected to DUPLEX units equipped with the RD5 control panel. The controller is used for full control of DUPLEX units, that is to say, user settings and password-protected service parameters settings. -
Page 23: Symbols And Their Meaning
Main screen: Current Current time and mode date Current zone + Power user text setting Outside air Mode setting temperature Room air Required temperature temperature User settings To adjust parameters on the main screen, click on a parameter. Symbols and their meaning Required parameter setting mode symbols;... -
Page 24: Navigation Symbols
Navigation symbols Clicking returns the screen one level back Clicking returns the screen to the main screen Current language icon; clicking on the flag shows the page with language settings Symbols permanently displayed on the main screen Next to this symbol, outside air temperature T-ODA is shown If extraction / room temperature control is used, interior temperature T-IDA is shown (room or extraction air temperature) If supply air temperature control is used, supply air temperature T-SUP is shown... -
Page 25: Mode" Block
“Mode” block It shows a mode current at any given time, with options as provided by the unit’s configuration. The current mode parameter may not correspond to the parameter set manually or in the weekly program. If that is the case, the power level required is generated by a closed input D1–... -
Page 26: Temperature" Block
“Temperature” block It displays temperature in °C currently demanded at any given time. This current temperature demand value may not correspond to the value set manually or in the weekly program. If that is the case, the temperature required is generated by closed input D1 to D4 and parameters set for one of these inputs if a specific temperature for Dn inputs is set. -
Page 27: Hs/Nhs Temperature
Note • If outside temperature is higher than Temperature HS/NHS, the Non-heating season option is selected automatically. • If outside temperature is lower than Temperature HS/NHS and at the same time room temperature is higher than the required temperature by more than 5°C, the NHS remains active until outside temperature does not drop below 0°C. •... -
Page 28: School Holidays
School holidays Settings as per user requirements; up to four different holiday periods can be set. School holiday setting steps: Holiday / Party This is a mode set for a limited period of time during which the unit’s operation is other than in regular modes, such as when the unit is normally run according to the weekly program and should be switched temporarily to economy mode for example for a week when there is no occupancy in the house. -
Page 29: Setting The Weekly Program
Setting the weekly program The weekly program is set separately of the heating and non-heating season. Copying days Settings may be copied between days as shown below: Example of copying: When copying, first check Wednesday in HS and then Thursday in NHS , thereby copying all settings for Wednesday in HS to Thursday in NHS. -
Page 30: Network Settings
Network settings DHCP: When checked, the network is automatically set from the internet; if not checked, the network must be set manually. Note The “Save” button records the values set and also immediately restarts with new values. Texts The” Texts” parameter is used for changing adjustable texts as required. Note The texts can be adjusted as required and are the same as those for setting from the web. -
Page 31: Daylight Saving Time
Daylight saving time An option to switch automatically between the daylight saving and standard time. SW information It displays information on the type of the unit, its manufacturing number and the version of the control software. Filter replacement indication In some units, the “Filter replacement” notification is also shown by the button for filter replacement confirmation (by pressing this button the date of subsequent filter replacement is saved). - Page 32 STOP circuit active The emergency stop contact The stop contact has been activated is opened. by a fire or other safety system; check its status. Temperature sensor TU1 Communication breakdown Contact a service technician. or failure of the TU1 fan temperature sensor in the unit.
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Page 33: Forgetful Operator
1. Make sure the unit is correctly configured in the local network you access the Internet from. 2. In your web browser type in https://control.atrea.eu 3. Open a new account. The registration number of the unit is in the documents supplied with the unit. -
Page 34: Commissioning
General maintenance such as the cleaning of the interior can be done by the user. For servicing related to replacement operations or work on the electric part of the system use solely the service technicians who are members of the certified network. For the list see www.atrea.com •... -
Page 35: Replacement And Cleaning Of The Oda Pre-Filter - Expanded Metal
● The main air filter in the unit is a recirculated air filter, located upstream of the unit’s heat exchangers. The standard type is G4- type fabric filter mats inserted in a frame (G4 as the basic class of filtration, optionally F7 for fine filtration). The basic G4 filtration class can be enhanced with carbon filter fabric to supress odours. -
Page 36: Replacement And Maintenance Of The Main Fabric Filter For Rca Units
Replacement and maintenance of the main fabric filter for RCA units The procedure is identical for all DUPLEX R5 series units. The filter is placed in front of the internal heat exchangers. After opening the door unlock the latches holding the filter or cassette. Remove the frame from the unit. - Page 37 Filter cloth G4 The blue side / rough side The white side / soft side is given so that the is always given so enters this side. flowing air comes out of this side. that the flowing air DUPLEX RA and RK units – Filter cloth G4 DUPLEX RB units –...
- Page 38 Filter cloth G7 The dark red / soft side is given so that the The light red / rough side is always given so flowing air comes out of this side. enters this side. that the flowing air DUPLEX RA and RK units – Filter cloth G7 DUPLEX RB units –...
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Page 39: Cleaning The Plastic Heat Recovery Exchanger
6.3 Cleaning the plastic heat recovery exchanger The recommended heat exchanger cleaning interval depends on the nature of the ambient environment of the site of operation, approximately 1-2 years. When required, wash the heat exchanger block several times using warm water with a detergent; water temperature should up to 40°C, ideally the level of temperature should be such that you can keep our hands in without trouble. -
Page 40: Spare Parts, Repairs
• The condensate drain in the door or bottom of the unit for cleanliness. Any condensate drain clogging might lead to serious trouble. • The priming of the condensate drain line, particularly in summer and autumn. If the level is not high enough, there is a risk of air intake from the sewer. -
Page 41: Faults And Troubleshooting
Faults and troubleshooting 7.1 Faults and troubleshooting Fault Description Possible cause Troubleshooting The unit cannot be • The unit remains idle • Power supply is not connected • Connect the unit to power supply started even after the required (switch on upstream safety circuit performance level was breakers) selected... -
Page 42: Appendices
Appendices 8.1 Product data sheet Producer DUPLEX DUPLEX DUPLEX DUPLEX Unit type RDH5 Model identification code A170421 A170441 A170431 A170451 kWh/(m SEC -W -16.92 -16.74 -16.55 -16-76 Specific power consumption kWh/(m SEC -A -40.82 -40.64 -40.57 -41.34 kWh/(m SEC -C -77.96 -77.77 -77.90... -
Page 43: Rd5 Wiring Diagram - Internal Wiring
8.2 RD5 wiring diagram – internal wiring... -
Page 44: Rd5 Wiring Diagram - Optional Accessories
8.3 RD5 wiring diagram – optional accessories... - Page 45 Other components Heat source connection – according to the specific unit Connection to heat pumps – cooling...
- Page 46 Notes:...
- Page 47 Notes:...
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