02 DUPLEX EC , RD
Contents
1. GN COM PW TR T GN STP IN1 GN IN2 EXT Ovl d n ventil toru Me 0 10 V Ovl d n ventil toru Mi 0 10 V 3 2 Ventilation modes of DUPLEX EC units The unit offers 3 basic ventilation modes Off the unit is switched off it only reacts to external outputs Periodic ventilation the unit switches on automatically at set intervals or depending on the use of external inputs The unit reacts to external inputs D1 to D4 and IN1 and IN2 inputs During periodic ventilation the unit works at a set flow rate Ventilation The unit continuously works at a set flow rate reacts to the switching of an external input D2 to D4 or input IN1 and IN2 3 3 External inputs D1 D3 inputs with a programmable delay of start up and run down times Start up delay 0 5 minutes Run down delay 0 10 minutes Effects on HVAC modes just started is shown in the table above Each input has its own adjustable delay time button controlled switch on or association with lighting activation in the room Delay times are influenced by service setting parameters number of people air tightness etc and outdoor temperature Service documentation2. Service documentation Atrea s r o D02b 11 Possible failures and troubleshooting Failure Cause Solution The controller shows seemingly high temperature The temperature sensor is located measured is affected by the contact with the controller underneath the rotary controller during longer handling the temperature being temperature of the hand that is in direct Wait for several minutes after handling the controller cover will stabilise at ambient temperature There is no screen on the controllers display the fuse of control system is broken The power supply is disconnected or Check the power supply or ccheck the fuse status on the RD CTR board Symbol is shown instead of interior temperature Communication failure between the external sensor is not connected external sensor and the controller the Check the connection of the external sensor 12 Error and failure messages Messages in the table below give information about non standard or unexpected events in the HVAC unit system Message Meaning What to do Filter choked The air filter in the HVAC unit is Filtration cloth in the unit must be replaced contaminated TE temperature Interrupted communication or a failure Contact the service technician sensor of the outdoor temperature sensor TI2 temperature Interrupted communication or a failure Contact the service
3. GN Output ground Ground E g closed with D4 EXT Output programmable reserve on kitchen 24V 2VA extraction Service documentation Atrea s r o D02b VC TA sensor power supply 5 V Communication with TA TA sensor sensor GN TA sensor ground Ground VC Ti2 power supply 5 V Sensors Tle Tl2 sensor manostat PER Communication with sensor GN Ground manostat Ground TE TE sensor 24V 24 V SS TE TE sensor measurement resistor to Resistor to ground ground Controller power supply 12V SS Controller communication Specification HW LIN Ground controller Ground External board EXP power supply 12V SS Communication with EXP Specification HW LIN Ground Ground Heat pump control Fan speed control according to the pressure relations Circulation ground heat exchanger Condensing boiler control Superior contrl system ModBUS Backup of settings Internet Service documentation Atrea s r o D02b 2 4 Module overview RD CTR board Contains program features to control the entire system evaluates data on temperatures measured and the status of inputs on the basis of which it switches HVAC modes Communicates with all other modules Contains inputs and outputs for the basic HVAC accessories of DUPELX R and EC units Depending on the setting of the unit RD or EC provides a respective range of individual inputs and
4. behind the heater is warmer then 77 C Switch off the power supply of the HVAC unit and electric heater if in the system and wait 10 minutes Switch the power on if the failure keeps on the display the status ofthe MC fan should be checked and the status of thermocontact or TA sensor ADS120 as well 18
5. of the unit will correspond to the value set here at that moment the nearest performance level out of the 14 levels will be displayed in the controller s basic mode 228 Performance D4 HVAC unit performance setting when external inputs D4 is switched The unit s performance will correspond to the setting as in the parameter 227 setting above 230 Period A value set in minutes 30 to 120 specifying the HVAC unit s idle time between ventilation intervals in Periodic ventilation mode The set idle time of the unit always starts to run from the last stoppage of the fans This applies regardless of whether the HVAC unit was running within periodic ventilation operation or as a result of external output switching or the status of input IN1 IN2 Factory setting is 60 minutes 231 Ventilation A ventilation interval value in minutes The value is calculated on the basis of setting parameters 200 to 202 and the number of people The value cannot be changed in order to adjust ventilation change the number of people or the setting of interval 230 232 Delay time A value in seconds 0 to 20 It specifies the delay time of fan start up after the inlet possibly also outlet damper began to open 8 3 6 1 Inputs 240 to 242 Delay time D1 to D3 Setting of the delayed response of inputs D1 to D3 The HVAC unit starts up only if any of inputs D1 D2 or D3 stays on longer than the delay time The delay time is set for each input separate
6. Atrea s r o D02b D4 switches a mode on and off according to the table above without delay or run down times 3 4 Stop contact When STP and GN terminals open the fans of the HVAC unit stop and all dampers are closed respective outputs have no voltage or are open At that point the CP 08 RD controller displays STOP 3 5 Analogue inputs IN1 and IN2 IN1 A universal 0 10V input or a switch contact distinguishable by a parameter Controls ventilation depending on humidity and CO2 concentration sensors During control via 0 10V control limits may be set point A and point B Ventilation performance MAX B A 0 10 Voltage on IN1 input IN2 auniversal 0 10V input or a switch contact distinguishable by a parameter Controls ventilation depending on humidity and CO2 concentration sensors During control via 0 10V control limits may be set point A and point B same as IN1 When IN1 and IN2 inputs are combined ventilation runs according to a higher requirement Note When the input is set as contact on off then only the demanded power performance is set by parameters in the service menu The set level of the performace is activated when the inpit IN1 or IN2 is connected to the GN terminal 3 6 Temperature sensor TA The TA sensor is not mounted on the HVAC unit defaultly protective thermocontact is conected between the TA and GN terminals When any heater is add to the system the T
7. Input No 4 Kitchen 230V 2mA N4 Neutral No 4 STP Input STOP contact E g fire alarm Voltage contact a GN Input ground ad TR Input thermostat pamroom Volt ntact R thermostat otage contac GN Input ground Sensor 3 IN1 Input analogue control 0 10V C02 hygrostat 0 10V SS GN Input ground 0 10V SS IN2 Input analogue control 0 10V As IN1 or 0 10V SS replacement of GN Input ground D11 input for CRK 0 10V SS capilary thermostat Motor Mc Circulation fan Mc control 0 10V SS output Mv Ventilation fan Mv control 0 10V SS hat Damper ZVT pump 230V 50Hz Relay SV Servo drive underground exchanger ITs 0 5A SB Servo drive bypass Bypass damper 24V 2VA SBI Servo drive bypass inversion Bypass damper 24V 2VA function _ i Mixing damper Seivo 24V Power supply 24V servo 0 10V control 24V SS drive a Mixing damper output SC Control 0 10V mixing damper control 0 10V SS LS Control 0 10V TPO junction 0 10V SS electric heater GN Ground servo 0 10V Mixing damper Ground control SZ1 Zone ventilation servo drive 1 Zone 1 damper 24V 2VA SZ2 Zone ventilation servo drive 2 Zone 2 damper 24V 2VA yv1 Output EUV1 Heating brangh 230V valve 1 yv2 Output EUV2 Heating branch 230V valve 2 K Output boiler voltage free switch Heat source Signal contact activation Relay 230V 0 5A outputs K Output boiler voltage free switch Heat source SAY RAUN 0S contact activation
8. Non 210 V stup EXT D4 VYP vyp Exit 4 Ventilation Params 227 Rot D1 D3 25 100 50 228 Rot D4 25 100 50 230 Break min 30 az 120 60 231 Vent min 0 az 30 10 232 Del Mv 0 az 20 16 Exit 4 Inputs 240 D1 start s 0 az 300 60 241 D2 start s 0 a 300 60 242 D3 start s 0 a 300 60 243 Mv run s 0 a 600 300 244 IN1 input Cont Anlg kontakt 245 IN1 VI V 0 10V 0 246 IN1 PI 0 100 0 247 IN1 Vh V 0 10V 10 248 IN1 Ph 0 100 100 249 IN2 input Kontakt Analog kontakt 251 IN2 VI V 0 10V o 252 IN2 PI 0 100 0 253 IN2 Vh V 0 10V 10 254 IN2 Ph 0 100 100 Exit 4 Temperature limits 260 Red Df according to the enumeration 261 Red Hf according to the enumeration 262 Reduct according to the enumeration 263 GHE Lt 6 to 6 0 264 GHE Ht 15 to 30 20 265 HRC frz 7 az 0 2 266 TA max 20 az 50 50 267 Bpss Lt 15 az 20 17 268 Bpss Hi 25 az 30 26 Exit 4 Exit 3 Exit 2 Service documentation Atrea s r o D02b 8 3 Service setting parameters This chapter describes the selected parameters of the service setting menu 8 3 1 Unit setting Controlled unit The parameter is used for the selection of the HVAC unit connected and provided that the EC unit is selected it also sets the unit s performance If the unit type is not specified the unit connect
9. heater with thermostatic valve the HVAC unit enables or disables the heater running The control of the supply air behind the heater is done by the thermostatic valve Inputs and outputs function Inputs P t SE EA R SS a e a Parameter 20 1PV ON 0 1 0 0 Key 0 switched off 1 switched on CP 08 RD enables or disables warm water to flow to the heater opens the on off valve YV1 TR input for connection of an independent room thermostat controls the output YV2 and KK directly IN2 disconnetion with the GN terminal trigers the water heater frost status capilary thermsotat on the heater 10 Service documentation Atrea s r o D02b 4 2 Electric heater Electric heater is controlled by pulses of voltage 10V on the SK terminal A heater with the SSR switching for the heating coils is supposed e g EPO V heaters hus Source Parametre CPOBRD TR K 2 Cae e a Key TA temperature sensor behind the heater duct sensor ADS 120 Tp demanded temperature set by the CP 08 RD controller manual or weekly program Pulses 10V period of the pulses is 12 seconds when the TA lt Tp the pulse of 10V is being prolonged within the period of 12 second When TA gt Tp the pulse of 10V is being reduced within the period of 12 second 4 3 Water heater with controlled valve Water heater with controlled valve must be equipped with an actuator desi
10. menu is protected by a code which changes automatically according to the day of the week it is a three digit code and starts with a number indicating the sequence of the day of the week Each number is always one higher than the previous one e g if the current day is Tuesday the code for accessing the setting menu is 234 Service settings Password XXX Controller setting AHU unit EC R EC unit 230 330 500 230 Temp sensor Int TE display Yes No No Exit 3 Input status 101 TA C 40 102 T12 11 103 TE C 5 104 Input D1 OFF 105 Input D2 OFF 106 Input D3 OFF 107 Input D4 OFF 108 IN1 V 0 109 IN2 V 0 110 Input STP ON 111 Input TR OFF 112 Input DF OFF 113 Input DP1 0 114 Input DP2 0 Exit 3 Output control RD CTR PCB 130 Mc fan 0 100 0 131 Mv fan 0 100 0 132 Bypass d On Off of 133 SC V 0 10V 0 134 SK V 0 10V 0 135 SV Output On Off off 136 SZ1Out On Off or 137 SZ2Out On Off ort 138 KK Out On Off of 139 YV1 Valve On Off off 140 YV2 Valve On Off om 141 EXT Output On Off om Exit 4 RD IO PCB 160 SEv Out On Off of 161 SCv Out On Off of 162 DA1 Out 0 10V 0 163 DA2 Out 0 10V 0 164 OC1 On Off om Exit 4 Exit 3 14 Parameter setting Configur ation 200 Room m3 50 999 250 201 Env Tmp 12 1 50 1 amp 18 202 Leakag h 0 4 az2 5 1 5 203 GHE Yes No No 204 Heater Non Wat EL Val
11. technician sensor of the exhaust air temperature sensor Frozen heat recovery Frost deposits in the heat recovery exchanger The air extracted from the building is likely to be too humid Increase room temperature or use natural ventilation open windows TA temperature sensor Interrupted communication or a failure of the temperature sensor behind the hot water heater in the unit Contact the service technician 1 anti freeze protection Temperature behind the heater is below 12 C Check the hot water supply boiler function temperature in IHR Fans stop hot water supply to the HVAC unit starts 2 anti freeze protection Temperature behind the heater is below 7 C Same as the with 1 anti freeze protection STOP circuit active The emergency stop contact is opened If the stop contact is activated by a fire or other safety system check it status Communication failure No communication between controller CP 07 RD and HVAC unit Check whether the connectors of the communication cable in the controller have not moved or come off Interior sensor A failure of the interior temperature sensor Check the connection of the sensor to the CP 08 RD controller check the position of the controller whether it has not come off the wall High temperature TA When no heater is in the system the supply fan Mc is overheated When a heater is in the system then the air
12. A duct temperature sensor must be mounted behind the heater Use the ADS120 sensor 1 The sensor monitors maximum temperature behind the heater a range between 20 and 50 C can be set by a parameter When this temperature value is exceeded the heater or the heat source turns off and is started again after the temperature has dropped 3 C below the selected limit 2 The sensor monitors the exchanger freezing Service documentation Atrea s r o D02b When TA drops to lt 12 C 1 anti freeze protection is signalized return to above 14 C When TA drops to lt 7 C only when the water heater is selected Ifthe unit s performance is OFF KK and YV1 outputs close to switch on heating the SB output opens to close the bypass the CP 08 shows 2 anti freeze protection does not respond to external signals The fans are stopped in this case 3 Anti freeze protection if TA gt 77 C all dampers then close servo drive terminals without power supply fans are off the CP 08 RD shows High TA temperature 4 If an electric heater is connected to the DUPLEX EC unit the thermostat function is blocked depending on the Ti room temperature The weekly thermostat program applies to TA temperature control i e temperature behind the heater 5 If no electric heater is connected to the EC unit parameter 204 Tpy the CP 08 may substitute for the thermostat function depending on the relati
13. E E RA 8 3 7 TE temperature SEnSOr acessos aeaaeai eo eE Naa ENE aE S a Sais 9 3 8 Temperat re sensor TI eiersiisisc ioniene actachcates cl teats ES raS E ESAE ANES a EENE KAKE 9 3 9 Outputs SZI and SZ 2ste aeee ESEE AEE E AE EA E EE EES 10 Be Meater types orea e O E E E A 10 4 1 Water heater with thermostatic Val V i scscsssesiecsatssanssstscccsasnadecdeasseanssanseacsasndcecdesessecboaunees 10 4 2 Electric heatet reisene oesie aia a e Ea Eae ani a 11 4 3 Water heater with controlled valve sossneseeseeessesseesseseseeesssetsseessensseerseeessseesseesseesseeeseee 11 5 Ma intenance functions srsti enen eor eera reaS E E E EA SE rE E NEN 11 6 Description and functions of the CP 08 RD controller eseeseeeeeseeseeseesreereesrrssrsrrrsressrseresresse 12 6 1 Controller modes sccsseccssisisevastebecuerciban crested EEA ERER E EA EAE 12 7 Types of units and performance levels eseeneeseseesesersseseeesressrserrsressesstesrenseestestteseestesreeseeseee 12 S COOL SetUNSS corra E E E ame ne Sern terre ae eer erse nett 13 8 1 User accessible View ccsccsscevastevestessevspaantvensasdeyzasesdeenesadanhanva sidoestandnczesastesedsasasousanseaonetansones 13 8 2 Service setting menu of DUPLEX EC units scisecocsSearecasesoctauecesdaddensenvsccuarctensasentanceeviudind 14 8 3 Service setting parameters israr oer nn E E E E EE RS 15 8 3 1 Unit setting Controlled Unit lt csseccgceceutiecsacdnarnawarseenteeniaeneameeeumuenesar 15 8 3 2 op t
14. SERVICE DOCUMENTATION ee T Ventilation of houses D 02b o2 Section ATREA s r o 02 DUPLEX EC RD CTR control Valid from 16 12 2009 This documentation is intended solely for service technicians with a valid service authorization This documentation or any of its parts may not be photocopied or given to third persons without written consent from ATREA s r o 1 Contents Ve RTI ea a E a cae vecestea E aera 1 2 RD CTR control boarders e a E E ee eee ees 2 2 1 RD CTR board diagtaM sinesssiiiiasrecnsies eis eiia a eias aiai 2 2 2 De sc rption of terminals sisirasssiiise ireen a a ai aeiia 3 2 3 Control t loa E E E TE 4 2 4 Mod le OVerviEW ersero n rE E E E EA ENS 5 3 RD CTR for DUPLEX EC icesavediapuevansivwnsnavasaniaavcusaiwseawda vesideaaateeaseaasdaveasasedvapdavepsiessnostaanncevennesgas 6 3 1 Internal connections of RD CTR a icisssisdestadsvaisicassnnseaesasedscedasesdensssascdesaghenedsatageanasdunsacesnneouave 6 3 1 1 HVAC units DUPLEX 230EC and 250 ECV scsscctcoseserunssesedeninnesonsaceuiuedaqccuasneceasendece 7 3 2 Ventilation modes of DUPLEX EC units s ssesseesseeeesseesssessessseeesseeessressesseesseresseeesseessresee 7 3 3 External UU suisses estes otek creda vaeh ee AEE es aieas a EE RES EEE ES EEES Ea KES EEE EEEE 7 3A SOP CONAC eeestis nro i esae arks Ena Teei e EE EE SS EEEE eneo eSEE aSa 8 3 5 An l gue inp ts IN and IN2 versisto a a E ae ew eee 8 3 6 Temperature sensor TA seri
15. e table below shows the individual performance levels depending on the unit type in use DUPLEX 230 EC 330 EC 500 EC 250 ECV 380 ECV 540ECV 12 Service documentation Atrea s r o D02b 8 Control settings 8 1 User accessible view Setting mode Holiday Party Mode Ventilation Per ventil Performance According to the unit type Vent zone 2x z1 z2 End Date of mode expiration Start function Exit 2 AHU control Auto week program Manual Levent zone Zx Z1 Z2 Exit 2 User settings Season HS NHS Non heating season Heating season AHU week program Non heating season AHU Program edit Default program Exit 4 Heating season AHU Program edit default program Exit 4 Exit 3 Control sys setting Person No 4 2 to 10 Compens 0 0 C 3 to 3 Exit 3 Time and date Date 07 04 2009 Day Thursday Time L 17 13 SummerTime Enabled Disabled Exit 3 Display setting Display contrast Display offset Backlight Text settings D1 Ext D1 D2 Ext D2 D3 Ext D3 D4 Ext D4 IN1 N1 IN2 N2 Exit 4 Exit 3 Exit 2 Service settings Filtr replace Firmware version Unit EC Controller 55 01 RD CTR 56 01 Language e tina Deutsch English Exit 1 13 Service documentation Atrea s r o D02b 8 2 Service setting menu of DUPLEX EC units The service setting
16. ection allows you to change temporarily the status of the RD CTR board and the RD IO board if installed After leaving service settings all outputs will set according to the required HVAC mode and operating conditions input status temperatures measured etc 8 3 4 Parameter settings 15 Service documentation Atrea s r o D02b 8 3 5 Configuration Parameters 200 to 202 are used as base values for setting the ventilation interval period in Periodic ventilation mode Besides these parameters setting the number of people in the building also applies set in the user setting section 200 Walled area The total area of the ventilated part of the building value in m 201 Calculated temperature Calculated outdoor temperature assumed during the HVAC project design phase 202 Airtightness The total air permeability of the building Set to 1 5 by the manufacturer The value corresponds with the air flow rate in 1 hour related to the total measured space volume at a pressure difference of 50 Pa compared to the outdoor environment i e if the volume of the space measured 500 m3 then the air flow rate in 1 hour at the total air permeability of 1 5 will be 750 M3 at a pressure difference of 50 Pa 8 3 6 Ventilation parameters 227 Performance of D1 D3 HVAC unit performance setting when external inputs D1 D3 are switched The value is set in of the total performance of the unit type used The actual performance
17. ed cannot be controlled by the CP 08 RD controller Warning If the unit type has already been selected and it is necessary to change the unit type or its performance level all parameters and weekly program settings will be deleted as a result of such a change 8 3 2 Input status The range of parameters displayed depends on the level of control equipment e g if an RD IO board is not fitted inputs 112 to 114 are not displayed 101 to 103 Measured temperature displayed outdoor temperature TE exhaust air temperature behind the exchanger TI2 air temperature behind the heater TA 104 to 107 Status of external inputs D to D4 normally OFF 108 and 109 Status of inputs IN1 and IN2 If the selected input is programmed as an analogue one parameter 244 or 249 Analogue the level of voltage at the input within the range of 0 to 10 V is displayed directly If IN1 and IN2 If the selected input is programmed as a contact one parameter 244 or 249 contact the input status is as follows 5 7 V disconnected from terminal GN 0 0 V connected to terminal GN 110 Stop contact normally ON the unit is switched on connected to terminal GN by the manufacturer 111 External thermostat contact normally OFF 141 EXT output function Setting OFF the output is OFF permanently Setting D4 the output is ON when the D4 external input is activated e g the kitchen damper control 8 3 3 Output control This s
18. er is alerted to the filter status 11 Service documentation Atrea s r o D02b 6 Description and functions of the CP 08 RD controller The controller is used for the full control of the heating and ventilation hereinafter referred to as HV AC units mentioned here The controller can work either in manual mode wherein the user directly selects the unit s operating mode or in automatic mode which controls the unit according to a weekly program The controller distinguishes between HVAC operation within the heating season and outside it it is possible to set a separate weekly program for the heating and non heating season Functions available to the user are described in the separate document CP 08 RD Controller User s Manual 6 1 Controller modes The controller can work in two modes Basic mode in this mode the display shows the HVAC mode and room temperature This mode allows you to set current temperature or the HVAC mode according to chapter Setting mode in this mode all settings of the controller and the behaviour of the HVAC unit can be set Open the controller s setting mode by a long press on the rotary controller approx 3 seconds An overview of setting mode items is in chapter 8 2 7 Types of units and performance levels Various performance levels can be set depending on the type of the DUPLEX EC unit installed There are 14 performance levels to be set Th
19. freeze protection of the recovery exchanger 266 TA max Setting maximum TA temperature behind the heater If the temperature measured is higher the heat source of the selected heater is turned off 267 Bpss Dt Setting the bottom temperature limit for opening the bypass damper depends on temperature TE The bypass damper is open if Dt lt TE lt Ht Setting can be done within the range of 15 to 20 C 268 Bpss Ht Setting the top temperature limit for closing the bypass damper depends on temperature TE Setting can be done within the range of 25 to 30 C 9 Software upgrade CP 08 RD Controller processor type PIC18F87J10 RD CTR board processor type PIC18F8722 10 Technical specifications Operating environment cece ee eee eee Class 1 Indoor environment Operating temperature and relative humidity 5 to 40 C up to 75 without condensation Storage temperature and humidity 20 to 60 C up to 75 without condensation Battery service life type Minimum 5 years CR2032 3V Power Supply eee eee eee eee eee e eee ene ences 24 V AC 18 V DC Communication with HVAC unit Digital Temperature sensor Ti e eee ee ee eee Internal external ADS 100ABB ADS 110 for swimming pool Temperature sensor TE ceeee eee ADS 110 exterioir Temperature sensor TA ceee eee eee ADS 120 duct 17
20. gned for the 0 10V control voltage e g type Belimo LM 24SR The position of the actuator is controlled by the SK terminal voltage Opa Souree Parameter E A a RK Fe ea ES ea ae ee a a Parameter 204 RTP TA lt Tp o 0 10V Voltage rising eo o re a ee TA gt T 1 0 10V Voltage droppin 0 when SK 0V 1 1 P g pping Key SK voltage the value of voltega accords to the rate of TA a Tp temperatures the change of the voltage is performed in minute interval the size of voltage step is changed proportionally according the TA and Tp variation 5 Maintenance functions Filter replacement warning The control system does not indicate the actual filter status but only the time elapsed from the last confirmation of air filter replacement The CP O8RD display shows Filter in the place of the HVAC mode by turning the rotary controller information on the current HVAC mode is shown same as while in heating mode the outdoor temperature value and the text Heating are shown alternately This text should lead to the user replacing the filter in the HVAC unit After replacement the text Filter is deactivated in user settings The moment the text is deactivated the date of the next warning is calculated date of warning deactivation 90 days Filter replacement cannot be confirmed if the replacement warning is not activated i e the date of replacement warning activation cannot be altered before the us
21. ly It is set in seconds in the range from 0 to 300 243 Run down time Setting of the ventilation run down time of the HVAC system after switching by external inputs D1 to D3 The run down time is identical for all inputs It is set in seconds in the range from 0 to 600 The actual run down time is adjusted according to current outdoor air temperature the number of people entered and the total air permeability parameter set 244 Input INI Setting the method of control of input IN1 Analogue 0 10V or Contact connection to GN 245 UdIN1 Setting the bottom voltage level at input IN1 in point A see chapter 3 5 setting in the range 0 10V 246 Pd INI Setting the bottom performance level at input IN1 in point A see chapter 3 5 setting in the range 0 100 247 Uh INI Setting the top voltage level at input IN1 in point B see chapter 3 5 setting in the range 0 10V 248 Ph INI Setting the top performance level at input IN1 in point B see chapter 3 5 setting in the range 0 100 If the IN1 input is set as a contact one this parameter sets performance when the IN1 input switches at GN 249 Input IN2 Setting the method of control of input IN2 Analogue 0 10V or Contact connection to GN 16 Service documentation Atrea s r o D02b 250 UdIN2 Setting the bottom voltage level at input IN2 in point A see chapter 3 5 setting in the range 0 10V 251 Pd IN2 Setting the bottom performance level at in
22. onship between required and room temperature is closed the K K contact 3 7 TE temperature sensor Outdoor temperature sensor Controls the bypass damper At temperature TE gt TEmin the bypass damper is open TEmin is determined by the parameter 267 Bypass Dt At temperature TE gt TEmax the bypass damper is closed TEmin is determined by the parameter 268 Bypass Ht Reduces the ventilation run down time when activated by inputs D1 to D3 Reduction is permitted within 0 100 Lower temperature interval 15 0 C Higher temperature Interval 5 10 C 100 LP 0 100 0 DT HT 15 0 C 5 10 C The parameters of ventilation time reduction are calculated automatically on the basis of the number of people the walled area the airtightness of the building and the calculation temperature 3 8 Temperature sensor TI2 1 Anti freeze protection if Ti2 gt 77 C all dampers then close servo drive terminals without power supply fans are off the CP 08 RD shows High TI2 temperature 2 Anti freeze protection of the heat exchanger if temperature TI2 is lower than the selected minimum fans Me and Mi are turned on according to the table below the CP 08 RD show the text Recovery frozen the bypass damper closes Service documentation Atrea s r o D02b Mode Me Mi Bypass Inlet Heater dampers Recovery 20 50 According to a exchanger performance performance Open 0 demand def
23. outputs Controller CP 08 Sets HVAC modes manually or according to a weekly program Substitutes for a thermostat function temperature settings manually or according to the weekly program only if the controller is connected to the unit DUPLEX R_ Communicates with the RD CTR board Displays HVAC unit status Sets zone ventilation and other functionalities Depending on the unit installed the range of displayed data and setting menus RD IO board The board contains inputs and outputs for additional devices for DUPLEX R units ground exchanger heat pump control Communicates with the RD CTR board that controls it Used for DUPLEX R units only RD COM board The board contains inputs and outputs for communication with external devices superior control Internet signalling devices Communicates with the RD CTR board Service documentation Atrea s r o D02b 3 RD CTR for DUPLEX EC 3 1 Internal connections of RD CTR Power supply of fans Mc and Mv Fuse 2A f TE ADS110 Mc fan control 0 10V Mv fan control 0 10V Service documentation Atrea s r o D02b 3 1 1 HVAC units DUPLEX 230EC and 250 ECV Nap jen ventil tor Pojistka 2A f GN E TA TA VG 4 SZ1 SZz2 SK GN GN 24V 24V es TE1 ADS110
24. put IN2 in point A see chapter 3 5 setting in the range 0 100 252 Uh IN2 Setting the top voltage level at input IN2 in point B see chapter 3 5 setting in the range 0 10V 253 Ph IN2 Setting the top performance level at input IN2 in point B see chapter 3 5 setting in the range 0 100 If the IN1 input is set as a contact one this parameter sets performance when the IN2 input switches at GN 8 3 6 2 Temperature limits 260 to 262 The parameters of ventilation time reduction as per chapter 3 7 The parameters can be viewed not altered Parameter values are calculated on the basis of setting parameters 200 to 202 and the number of people entered 263 ZVT min Setting the bottom temperature level in C for closing the ground heat exchanger and opening suction from the inlet in the fa ade If TE temperature is higher than the limit set here the SV output is switched and fresh air is supplied directly from the inlet neck in the building s fa ade If the ground exchanger is not installed the parameter has no effect 264 ZVT max Setting the top temperature level in C for opening the ground heat exchanger and closing suction from the inlet in the facade If TE temperature is higher than the limit set here the SV output opens and fresh air is supplied via the ground heat exchanger If the ground exchanger is not installed the parameter has no effect 265 Rec froz Setting temperature Ti2 for the activation of the anti
25. rosting flow rate flow rate 3 9 Outputs SZ1 and SZ2 Outputs SZ1 and SZ2 are normally open The outputs are switched following the logical procedure below If there is no requirement for the ventilation of the given zone both outputs are open If there is a requirement for the ventilation of Zone 1 output SZ2 closes and thereby closes Zone 2 therefore only Zone 1 is ventilated If there is a requirement for the ventilation of Zone 2 output SZ1 closes and thereby closes Zone 1 therefore only Zone 2 is ventilated 4 Heater types The HVAC units DUPLEX EC ECV which are equipped with the RD CTR control module can cooperate with following types of heater Warm water heater with a thermostatic valve parameter 204 TPV electric heater parameter 204 EL Warm water heater with a controlled valve 0 10V parameter 204 RTP Each type of heater is controlled in different way and different terminals are used The following text specifies all that features Units DUPLEX EC ECV are not equipped with the TA temperature sensor from manufacturer the sensor behind a heater A protective thermocontact is connected between the terminals TA and GN When a temperature in the section of the supply fan Me is higher then 77 C the thermocontact disconnects the TA terminal from the GN the overheating of TA is displayed 4 1 Water heater with thermostatic valve When the HVAC system equipped with DUPLEX EC ECV includes a water
26. stat Scerri A E E muse E tS 15 8 3 3 OVUM CONO sce ts cairate Cee eetctasadeest cezcdetattentn te deed bcd sisik aieiai nissai asiasia esis arisa 15 8 3 4 Parameter settings eseistas iaee a E EE REESE eSEE ESSEE 15 OD SOftWare UPSrad seoce anea E ed eee 17 10 Technical specifications sssssiisisissriinesiiioisi asisikie iaiia 17 11 Possible failures and troubleshooting sseeesessesseeseesressesrssrseresressrseresressessresressetererreesersresees 18 12 Erro and failure messages iesiri a aE E E EE EE i E 18 Service documentation Atrea s r o D02b 2 RD CTR control board The RD CTR control board is used for controlling DUPLEX RD and EC series HVAC units The RD CTR board features an input and output range to provide for the basic HVAC functions of both basic types of heaters 2 1 RD CTR board diagram 0 AS ZAA IAA WN 1 aS gS ZZS LZS lo X o THM Service documentation Atrea s r o D02b 2 2 Description of terminals Terminal Description Purpose Type Power L Power supply 230V 50Hz cca N 230V supply inputs 24V Control module board power supply 24V DC 18V AC 24V Control module board power supply D1 Input No 1 Toilet bathroom 230V 2mA N1 Neutral No 1 D2 Input No 2 Toilet bathroom 230V 2mA N2 Neutral No 2 D3 Input No 3 Toilet bathroom 230V 2mA N3 Neutral No 3 D4
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