Home

Installation and user manual - sklep

1. parameter code type min max unit var def meaning visibility maximum limit for Humidity set point R17 U R16 100 rH 100 S1 2 compressor rotation R18 F 0 2 1 O disabled 1 enabled 2 not used envisaged for 2 circuits CsI type of control R19 U 0 1 1 0 0 proportional 1 proportional integral H1 15 integration constant R20 U 20 999 s 600 control delay R21 U 0 600 s 0 delay in the activation of the control on start up positive slope set point compensation R23 U 0 10 0 0 5 2 0 K 0 disabled optimum value 2 negative slope set point compensation R24 U 0 10 0 4 0 K 0 disabled optimum value 4 A 10 0 0 0 C 3 0 lower delta T for compensated set point R25 U 14 32 oF 27 maximum value to decrease the Set Point by for compensation upper delta T for compensated set point roe v ps E x i maximum value to increase the Set Point by for compensation 0 disabled 1 free cooling without compressors 2 free heating without select free cooling and free heating R27 F 0 7 I 0 compressors 3 free cooling free heating without compressor isabled S free cooling with compressors 6 free heating with compressors 7 free cooling free heating with compressors free cooling differential R28 U 0 5 15 0 RS 3 0 minimum difference between the outside T and ambient T to open the 33 59 F 37 damper 0 0 50 0 C 05 10 0 difference between T amg and Tour at which the compressors are d
2. YES 172 ID2 if enabled YES 173 ID3 if enabled YES alarm reset hardware reset send forced parameters output status set by remote buzzer status 0 mute 1 active force buzzer YES control status 0 stand by 1 active l YES remote alarm remote alarm not activated in OFF YES ID1 from remote ID2 from remote hi ID3 from remote manual defrost force ON simulates the MODE button YES ANALOG RX READ WRITE AUX INDICES 138 probe BI l YES 139 probe B2 YES 140 probe B3 l YES 141 current temperature set point temperature set point in Manual without clock 142 UNOCCUPIED set point UNOCCUPIED set point 143 COMFORT set point COMFORT set point 144 NIGHT TIME set point NIGHT TIME set point 145 temperature differential temperature differential R3 146 remote set point remote set point from pCO or pCO2 147 remote probe BI if bit 0 1 variable L5 148 l remote probe B2 if bit 1 1 variable L5 149 remote probe B3 if bit 2 1 variable L5 150 effective temperature set point R SP Carel code 030220306 rel 2 0 dated 29 06 01 29 Aria INTEGER RX INDICES READ WRITE AUX output status bit O relay 7 or triac no 1 bit 1 relay 6 or triac no 2 bit 2 relay 5 156 bit 3 relay 4 4 bit
3. Aria electronic multiprocessor controlle Installation and user manual LEGGI E CONSERVA 3 QUESTE ISTRUZIONI 4 READ AND SAVE THESE INSTRUCTIONS CAREL Technology amp Evolution LEGGI E CONSERVA gt QUESTE ISTRUZIONI lt READ AND SAVE THESE INSTRUCTIONS We wish to save you time and money We can assure you that a thorough reading of this manual will guarantee correct installation and safe use of the product described Aria Contents Menit 4 L GENERALE CHARACTERISTICS iii inh etes Eten ep seo easet ert ess teloni niente KESO EN Sa E Eter puede eta Regan 4 1 1 Inani C E 4 1 2 E nnb 4 1 3 Power board for the control of stand alone air conditioning units code TABASES000 5 1 4 Power board for the control of a motorized damper multi zone system codeTAZONE0000 iene 6 1 5 GOdES 3 LE OUO A 6 De APPEICA M ELO cioe 7 2 1 Stand alone applications e ene dx e Oe i eie iet E i sei rieti el ali ili 7 2 1 1 la pane 7 2 1 2 Coohng only d Rd ERE I AN e ete HI REI EID HS 7 2 1 3 Conventional eco e RIP ETHER AE RR ERI R IEEE ERES 8 2 1 4 Heat pump uen HORN ea AN co lince DN one entr es ir eiat nil 8 2 1 5 Splib System eO o ER ERR EHE LEN OA A eR 8 22 M
4. e use cont to program the remaining days The time interval identified by time current band is shown on the display using the clock symbol divided into 1 hour sections Thus the time band from 3 to 7 o clock is indicated as follows N ay Carel code 030220306 rel 2 0 dated 29 06 01 16 Aria 4 2 8 Alarm management and general functions 4 2 8 1 HOLD button This button has the following functions e exits the parameter programming phase saving the modifications entered on models with built in clock it passes from time band to manual operation in such a situation the word HOLD appears and the comfort set point resumed independently from any previous operating Set Point 4 2 8 3 RESUME button This button has the following functions e exits from the current programming phase without saving the modifications e exits from overriding the set point in time band operation models with real time clock e exits from manual operation HOLD and returns to time band operation models with real time clock e resumes the comfort set point on models without real time clock e silences the buzzer 4 2 8 5 RESUME button for more than 3 seconds Manually resets the active alarms cancelling the message on the display and de energizing the alarm relay if the alarm conditions do not persist any more 4 2 8 4 v buttons simultaneously This displays a value marked R SP in the lower display the value corresp
5. uertit e Re eee esten ertt e tr e Reda ie eie eder eee debes eode o an 27 Damperananage ment SE HERE 28 Pool environment management 28 pLAN connection 20 List of variables 55 20 MUSICAL AT PUES ge srt DIC M E 33 Sind MM FEMME DIM sit Li Lu di Liv ali i cei fara iui la ni olo i Lib die Li lil ALLA celo 33 6 1 Resetting the alarms E 6 1 1 Mu tirng the buzzer x1 no LLL od deerit Lilo oi lille i hu Li ia pi e eR ii 37 6 1 2 YAOI DYNAT A KAS A PEE DD 37 6 1 3 Manual A ET S A A E does eter AE E E E E E A ibi 37 6 2 Descipuonof the al aris o ende eee oe Lon d ae O EINE RON ae rE TR 37 7 PROGRAMMING 7 1 List of parameters 7 1 1 Table of parameters eee th toe b Re nter D EROR ere a beet reete ee Ate eee te eta eb Pre eng 41 7 2 Description of the parameters nt eoe e obe tet e UE a a eee do 43 7 2 1 Probe set up S parameters 43 12 2 Regulation set up R parameters 44 7 2 3 Compressor and heater activity c parameters 45 7 2 4 Fans C occiso TC 46 7 2 5 Defrost d parameters s2 e tene eerte itn s ende alleata 47 7 2 6 Alarms CP parameters margini e ro IRR ON E T EY as rebus e NE sates e VIR E e EE ER e EORR ec e ENT COLORE eee settee eevee 48 7 22 General machine configuration parameters H parameters i 48 7 2 8 PLAN comm
6. 0 gt manual 1 gt time bands bit 4 not usedbit 5 options present output status for remote control from pCO or pCO2 the write is significant if enabled by variable 177 each bit corresponds to the status of one output bitO relay 7 or triac 1 bit1 relay 6 or triac 2 167 E bit2 relay 5 YES bit3 relay 4 bit4 relay 3 bit5 relay 2 bit6 relay 1 remote probe alarm the write is significant if enabled by parameter L5 bit0 bit1 bit2 168 E bit0 probe B1 error XES bit1 probe B2 error bit2 probe B3 error set point category in manual operation 169 set point category UNOCCUPIED COMFORT NIGHT TIME STAND BY YES UNOCCUPIED COMFORT NIGHT TIME STAND BY if in time band mode the write is enabled if bit 7 of parameter L5 is equal to 1 170 automatic operating modes AUTO COOL HEAT FAN ONLY Carel code 030220306 rel 2 0 dated 29 06 01 30 RX o o a S Ss o o sx n NE Sle SIS Vla sie ala DIT di ai Lis SS SR SS Sa SE 8 Six Sis als S E x Sim 3 S s IE SJS Zis S S lo S a PUES njw DIN me S gt 2 ns als SIS a n Po Ih pem Nn gl Alp DQ da S o E S e EM ES wis SJS S S SJS mu RIS _ a SS x SER l Q S af a 3 N n a Q 3 a 3 E mr is E S amp Q w N EN R N gt nu S SI minimum allowed limit for the RIEN set point 0 R13 R13 maximum allow
7. RL2 RLI 1 stage cooling 1 stage heating 5 Es Es Cis Ri F1 OP AL 1 stage cooling 2 stage heating 6 ES Es ci R F R2 OP 1 stage cooling 3 stage heating 7 Es Es C1 RH F R2 R3 2 stage cooling 1 stage heating 8 ES Es ci C2 F RI OP 2 stage cooling 2 stage heating 9 Es Es Ct 2 Fr R R 2 stage cooling 3 stage heating uola amp rm R R R Tab 2 1 3 1 2 1 4 Heat pump H1 RL7 RL6 RLS RIA RL3 EE RLI single compressor 11 ES ES Cl F1 Rlaux V OP dual compressor 1Raux 1 circuit per cera dual compressor 2Raux 1 circuit Tab 2 1 4 1 2 1 5 Split system H1 RL7 RL6 RL5 RL4 RL3 RI2 RL1 single compressor heat pump 14 c1 Ru Fi F2 F3_ v op Tab 2 1 5 1 2 20 Multi zone control This application can be selected by setting parameter H1 15 referring to Fig 1 4 1 the meaning of the outputs is the following Hi ouri c OUT2 zone controller 15 Open Common Close Tab 2 2 1 2 3 Display terminal This application can be selected by setting parameter H1 16 and allows you to use the terminal as a display unit to measure the temperature humidity connected to a pCO via pLAN serial line There is no need then to use any Aria power card neither TABASE nor TAZONE 2 4 Pool environments H1 RL7 RL6 RL5 RL4 RL3 RI2 RLI climate and
8. There are two possible modes Automatic mode AUTO this is normal way The essential information for the operation of the system is the operating mode heating or cooling that the pCO aims to maintain according to its algorithm Until the Aria receives this value the pCO operating set point it does not perform any type of regulation This information may also be provided by the digital input ID1 Heating Cooling hardware selection to allow the use of Aria wherever pLAN network is not present The pCO usually operates with two set points one for cooling and one for heating These are the limits within which the set point may vary for each zone as temperatures outside of the values can not be reached It is not important for the regulation performed by the Aria unit to know how the pCO chooses its operating set point based on digital input or by evaluating the requests from the various zone it is important on the other hand for it to know what point it has chosen as it is based on the difference between the ambient temperature and the pCO set point that the terminal decides whether to modulate or close the dampers The regulation performed is proportional type with a lateral band For example during cooling when the temperature exceeds the set point the differential Aria opens the damper completely when the temperature is below to the set point on the other hand it closes it completely If the temperature is within the lateral
9. as the outputs will change function For a detailed description please refer to the Application section Carel code 030220306 rel 2 0 dated 29 06 01 48 Aria H2 Programmable output This parameter allows the function of the programmable relay output to be selected This output is indicated by the letters OP in the functions table in the Applications section For a detailed description please refer to the Applications section H3 Enable Heating Cooling or filter alarm digital input ID1 If H3 0 the Heating Cooling digital input ID1 on the power board is not enabled If H3 1 input IDI is enabled and the Heating or Cooling operating mode set by the input itself has priority over that set on the keypad If H3 2 input ID1 has the function of non serious alarm input to signal the need of changing the filter open contact clogged filter alarm closed contact no alarm For a description of the digital inputs please refer to section Digital inputs H4 Enable remote ON OFF digital input ID2 If H4 0 the ON OFF digital input ID2 on the power board is not enabled If H4 1 input ID2 is enabled the opening of the contact machine OFF has priority over the operating mode set on the keypad the machine can operate only when allowed by both the remote and keypad For a description of the digital inputs please refer to section Digital inputs H5 Enable Alarm defrost termination digital input ID3 If H3 0 the digital input ID3 on the
10. 1 enabled in Cooling 2 enabled in Heating 3 always enabled external fan off temp in cooling F8 U 09 F9 v o cooling condensation external fan stop threshold F7 gt 0 external fan restart temp in cooling F9 F8 bes s 9 Md cooling condensation external fan start threshold F7 gt 0 duration of external pre ventilation F10 0 80 s 10 cooling condensation pre ventilation F7 gt 0 F11 F12 200 05 15 heating condensation external fan stop threshold 22 F 59 F12 U p F11 x 95 si heating condensation external fan start threshold F13 U 0 80 x 0 defrosts without support heaters delay in activation of supply fan after end defrost FI4 0 999 min 1 0 supply fan inactivity time beyond which the anti stratification procedure is activated anti stratification duration F15 0 99 min 0 duration of ventilation for anti stratification d DEFROST dl U 0 1 d2 U 0 2 30 0 C 0 5 d3 U 22 d4 oF 5 0 E 0 5 d4 U d3 41 oF start defrost delay d5 U 10 120 s V maximum defrost duration d6 U 1 900 s V delay between 2 defrost requests d7 U 10 180 min 10 calculated between the end of one cycle and the start of the next V dl support heaters in defrost d8 U 0 1 0 0 NO 1 YES V dl stop comp before and after defrost d9 U 0 180 s 10 d9 00rd10 0 function disabled V dl Comp start delay after valve switching d10 U 0 180 s 60 d9 00rd10 0 gt function disabled V dl forced defrost temperature dll U ed o 05 a if Toursipe lt d11 a defrost is
11. 4 2 5 Programming the parameters mede ei att o ten tuia deep 4 2 5 1 Setting the DIRECT parameters SET HOLD buttons i 4 2 5 2 Setting the USER parameters installer SET MODE buttons Gai 4 2 5 3 Setting the FACTORY parameters configuration SET MODE buttons for more than 3 secondS 15 4 2 5 4 Setting the default parameters SET RESUME buttons when powering the controller eene 15 4 2 6 Usin th Hardware key 5 Ie PU eo URDU lilla ari ii dii i a ii i lia 16 4 2 6 1 Copying parameters from the removable hardware key to the controller SET buttons when powering Aria or even only button when powering Aria aranan ona E ete e tutum tas e i etd tp a ai Leni 16 4 2 6 2 Copying parameters from the controller to the removable hardware key SET v buttons when powering Aria 16 4 2 7 Realtime clockand time b nds ii eei pem ee Reagan ele 16 4 2 7 1 Setting the time CLOCK button version with built in clock only A 4 2 7 2 Eme bands ne deerat ENER ORLO E Ni adi ERA ri 16 4 2 7 3 Setting the time bands CLOCK button more than 3 secondSs i 16 4 2 8 Alarm management and general functions eee sca 4 2 8 1 HOLD button 17 4 2 8 2 RESUME button eee uv 4 2 8 3 RESUME button for more than 3 seconds ee Hee er e eder a RU OI 17 4 2
12. CT Leelee Boba o OOS FLEOO SS 5 gt Figure 1 4 1 1 5 Codes Here follow the codes of the Aria components Terminal code Terminal basic model TATO00000WO Terminal with programmer clock TATOO00CWO Terminal with programmer clock back lit display buzzer TATOOORCWO Terminal with programmer clock back lit display buzzer and built in humidity probe TATOOOHCWO Terminal with pLAN output TATOOOOPWO Terminal with pLAN output back lit display and buzzer TATOOORPWO Terminal with pLAN output back lit display buzzer and built in humidity probe TATOOOHPWO Tab 1 5 1 Power boards Description code Power board with 5 relays TABASES000 Power board with 7 relays TABASE7000 Power board for zone control TAZONE0000 Tab 1 5 2 Programming hardware key Description code Programming hardware KEY TAKEY00000 Tab 1 5 3 Carel code 030220306 rel 2 0 dated 29 06 01 6 Aria 2 APPLICATIONS The Aria control can be used in a wide variety of applications which are selected using the parameter H1 The possible applications can be divided into two families e stand alone applications where Aria controls directly the air conditioning units via relay power board The power board is available in two different models with either 5 or 7 relays part no TABASE5000 and TABASE7000 e multi zone application control where a series of terminals are con
13. Remote alarm from pLAN This is used as a general alarm signal coming from the Carel pLAN local network via the address variable 160 the buzzer and the alarm message REM are activated If parameter P2 0 there are no other effects if P2 1 serious alarm all outputs are de energized and the alarm relay is activated The alarm is reset automatically when its cause is removed if parameter P2 0 If parameter P2 1 serious alarm after the cause that generated the alarm is removed the RESUME button must be pressed for more than 3 seconds Carel code 030220306 rel 2 0 dated 29 06 01 38 Aria EE EEPROM alarm Signals a read and or write error in the non volatile internal memory EEPROM thus highlighting a problem in the storage of the parameters If this occurs try switching the controller off and on again If the problem persists please contact the local service E SR Terminal communication error Signals an error in the serial communication between the terminal and the power board the terminal does not receive the data The alarm message E SR is displayed the buzzer is activated and all outputs are de energized The LED on the power board blinks 3 times normally once in 3 seconds The alarm is reset automatically that is when communication is established again If the alarm occurs check the two lead serial connection between the terminal and the power board E ST Power board communication error Signals an error in the serial
14. alarm with P AL signal 3 low pressure alarm with LO P signal 3l H5 function of digital input ID3 0 1 2 3 0 absent 1 general alarm 2 end defrost 3 remote ON OFF P2 S7 type of alarm from digital input ID3 0 1 0 signal only 1 serious alarm temperature unit of measure 0 C 1 F H17 H18 pump alarm delay 0 600 pump configuration 0 ON DEMAND 1 CONTINUOUS 2 CONTINUOUS IN COMFORT Carel code 030220306 cl minimum compressor on time 0 300 rel 2 0 dated 29 06 01 35 Aria 37 c2 minimum compressor off time 0 900 38 c3 minimum time between two starts of the same compressor 0 900 39 c4 minimum time between starts of two compressors 0 150 40 c8 interval between heaters on supply fan speed change 0 60 41 Fl supply fan start delay 0 180 42 F2 supply fan stop delay 0 180 43 F6 external fan stop delay 0 180 44 F10 external pre ventilation time for condensation control 0 180 45 F13 supply fan start delay after compressors ON at end defrost 0 180 46 F14 supply fan inactivity time to activate anti stratification 0 999 47 FIS duration of ventilation for anti stratification 0 99 48 R18 enable compressor rotation NO NORMAL 49 R10 enable support heaters 0 1 50 R11 enable compressors with support heaters 0 1 5 F7 enable condensation control in HEAT and C
15. dehumidification Ambient temp Night time or R3 Night time or Unoccupied Set Unoccupied Stop dehumidification Temp Comfort Set 5 2 6 Automatic set point compensation The temperature set point can be modified automatically based on the outside temperature value If the outside temperature reaches values that may affect the operation of the unit for example temperatures above 40 degrees in summer the set point is worsened that is increased in this way the level of comfort is decreased yet this has a positive effect on energy savings and the life of the machine Another use of compensation is to maintain a maximum difference between the ambient temperature and the outside temperature to prevent for example in shops large differences between the outside and the inside and consequent irritation to those who enter and exit The function is described in the following diagram Compensation COOLING COMPENSATION OUTSIDE TEMP R26 3 C HEATING COMPENSATION Setpoint 25 C Cooling compensation starts when the outside temperature is greater than Set point R3 4 C Following the example in the diagram with Set 25 0 C and R3 3 0 C the compensation starts when the outside temperature is greater than 31 0 C cooling compensation and less than 18 0 C heating compensation The intensity of the compensation can be set using parameters R23 and R24 these represent coefficients and the higher their value the lo
16. end of the defrost the parameter automatically returns to 0 It is also possible to stop the defrost in progress by manually setting d13 to 0 Carel code 030220306 rel 2 0 dated 29 06 01 47 Aria 7 2 6 Alarms P parameters P1 Enable buzzer Indicates the duration of the buzzer signal in the case of an alarm if P1 0 the buzzer is never started e with a value between 1 and 14 the buzzer is automatically muted after the related value in minutes e if P1 15 the buzzer remains active until the cause of the alarm has been removed or the RESUME button is pressed P2 Type of remote alarm ID3 Establishes the type of response to an alarm detected by ID3 At the contact opening there may be a simple display message without any intervention on the outputs P2 0 or may be considered as a serious alarm and thus activate the alarm relay and de energize all outputs P2 1 P3 High temperature threshold Represents the temperature threshold above which the high temperature alarm HI T is activated after P5 delay The minimum variation depending on the unit of measure chosen with S7 is 0 5 C if S7 0 and 1 F if S7 1 P4 Low temperature threshold Represents the temperature threshold below which the low temperature alarm LO T is activated after P5 delay Such limit is valid even when the machine is OFF allowing the heat actuators start up and avoiding damages in ambient in case the external temperature with disabled regulation s
17. excursion time If the damper is required to close to more than 90 of total closure the control in this case first closes the damper completely and then returns to the required value The same is true for opening These actions as per the total closing of the damper at instrument start up allow the control to precisely calculate the degree of opening of the damper at each moment even if there is no direct feedback from the damper to the control Finally when the control is OFF it completely closes the damper once again within the set excursion time 10 5 4 Pool environment management Aria is also ideal for the control of pool environments where it is important to control the pool water temperature and the humidity and temperature of the surrounding environment A special configuration has been designed for this purpose H1 17 where the relay manages the heaters and a pump for the water and compressors heaters and fans for the air The probes are used to measure the water temperature B3 and the ambient temperature B1 and humidity B2 Optional water heaters can be managed by the optional relay enabling them by setting parameter H2 3 The following diagram summarises the management of the devices based on the water temperature and the ambient humidity these are the two most important measurements WARNING the ambient temperature probe may at any moment activate the ambient heating and cooling devices so as to maintain the Comfort Ni
18. has no effect P11 Low pressure alarm delay in defrost This represents the delay in the acquisition of the low pressure alarm LO P on digital input no 2 if the unit is operating in defrost mode Setting P11 0 the alarm is disabled and the opening of the digital input has no effect P12 Type of low pressure alarm reset The low pressure alarm LO P can reset automatically manually or a combination of both When P12 0 the reset is automatic that is after the alarm goes off when the digital input closes again the alarm automatically disappears including the signal on the display When P12 1 the reset is manual that is after the digital input has closed again the Resume button needs to be pressed for 3 seconds for the display of the alarm signal to disappear When P12 2 5 a number of automatic resets are performed equal to the value of P12 from 2 to 5 within 1 hour from the first alarm if still within 1 hour another alarm occurs it will require manual reset This is a method used to prevent the machine from shutting down after just one alarm allowing the possibility to restart operation After 1 hour from the first alarm the count is set to zero and then starts again from the following LO P alarm signal 7 2 7 General machine configuration parameters H parameters H1 Machine model This parameter allows to select the type of machine to be controlled WARNING before modifying parameter H1 the machine should be switched OFF
19. override Alphanumeric field Set point mode for time and info unoccupied comfort night Seep put overde USER parameter remaining hours Fig 4 1 1 In particular e the symbol always on indicates actuators active in cooling mode e the 4 symbol always on indicates actuators active in heating mode If either symbol is flashing this indicates that the actuators should be activated yet external causes prevent them from doing so timers alarms etc For a detailed description of the other symbols please refer to the paragraphs on the Description of the button meaning and OPERATION 4 2 Description of the button meaning 4 2 1 Front and Side buttons The front buttons are the most important and thus are easier to reach being large and placed on the front panel of the instrument These allow the immediate setting of the desired temperature set point The side buttons allow access to all the other functions of the control Immediate programming Carel code 030220306 rel 2 0 dated 29 06 01 12 Aria 4 2 2 Programming 4 2 2 1 F Button and Button v The and v buttons allow the increase decrease of the current set point by 1 F or 0 5 C Specifically in time band operating mode indicated by the clock symbol pressing the and v buttons temporarily modifies overrides the current set point The duration in hours is shown at the bottom of the display and being decreased every hour until the pre
20. pool water control TRE ESTE j rRrR F P_ Rp OP Table 2 4 1 2 5 Heat pump Energy Saving H1 RL7 RL6 RL5 RIA RL3 RL2 RL1 dual compressor heat pump with energy saving 18 Cl C2 FI ES ES V OP Table 2 5 1 2 6 Split cooling only H1 RL7 RL6 RL5 RL4 RL3 RI2 RLI dual compressor heat pump with energy saving 19 Cl F1 F2 F3 OP Table 2 6 1 Carel code 030220306 rel 2 0 dated 29 06 01 8 di Aria INSTALLATION 3 1 Terminal installation For correct installation the following warnings must be heeded always disconnect the power supply before performing any operations on the board during assembly maintenance or replacement the terminal must be mounted vertically allowing for air to circulate through the instrument vent holes Avoid places where the measurement of the ambient temperature by the internal sensor may be altered such as outside walls near doors leading outside in direct sunlight etc the cables for connection to the power board must be kept separate from other cables using an individual raceway and possibly shielded cables In such a case connect the cable braid to terminal GO reference for the 24Vac power supply leave the other side of the braid free The maximum length allowed is 150m according to the section of the cable as per the table length of connection m minimum cross section mm 0 5 0 50 50 150 1 Tab 3 1 1 when m
21. pools the atmosphere is very aggressive due to the presence of chlorine Aria should be installed in a protected place or in a separate room leaving only the probes in the pool environment being controlled Use Aria terminals fitted for remote probes codes TATOOOR and temperature and humidity probes for industrial use or in any case with good atmospheric resistance Carel code 030220306 rel 2 0 dated 29 06 01 28 Aria 5 5 pLAN connection Even though connection to a pLAN network is designed mainly for the zone control version the stand alone version may also be connected to a Carel pCO local network Connection is made using the RS 485 standard with 2 leads and asynchronous half duplex serial transmission To overcome the fact that the code for the Aria control resides in ROM and thus can not be reconfigured according to the devices which make up the network as it is normally done for pCO devices some limits have had to be introduced in respect to normal pLAN network management e Aria can receive data from any pCO board yet can only send data to the pCO board whose network address is set by parameter L2 e incoming data is identified using the address described in the following tables RX INDEX ADD e outgoing data is written to the physical address RX INDEX ADD 2 L3 256 of the device with network address set by parameter L2 The data is only transmitted in the case of variations to the data themselves except for the p
22. power board is not enabled If H3 1 input ID3 is enabled For a description of the digital inputs please refer to section Digital inputs H6 Keypad lock If H6 1 the side buttons for programming the instrument are disabled Only the front buttons and the code protected combination of buttons remain enabled H7 LCD display selection Establishes what is displayed on the field in the top right of the display e H7 0 value read by probe B2 valid only if the probe is present thus with S121 or 81 2 e H7 1 value of the current set point e H7 2 value read by probe B3 on the power board for defrost control H8 Set point overriding time Establishes the duration of the temporary modification of the current set point which may be performed using the front buttons in time band operation This duration is shown in place of the clock indication and it is updated every hour If H8 0 the set point can not be overridden H9 Time format 12 24 hours Establishes the time display format If H9 0 the format is 24 hours If H9 1 the format is 12 hours with the AM or PM symbols H10 LCD contrast Allows the contrast of the display to be varied H11 Enable button click Allows the pressing of each button to be followed by the sounding of the buzzer H11 1 or not H11 0 H12 Front button backlit when not acting the buttons Allows the level of luminosity of the front buttons when the keyboard is not operated to be selected H12 0 butt
23. respecting the time delays protection Supply fan management The supply fan may feature from 1 to 3 speed operation In order to reduce current absorbed during start up the activation of the corresponding outputs is never simultaneous but rather delayed by parameter c8 The button Fan selects the fan operating mode energized whenever at least one actuator is operating or always ON To reduce the stream of cool air in the ambient the supply fan is stopped while defrosting except when the auxiliary heater are set to be energized in such situation this is performed in order to evacuate the energy provided Using the MODE button the only ventilation mode can be selected FAN script appears in the alphanumeric field disabling temperature and humidity regulation Particularly depending on the speeds of the fan available and the machine model selected the symbols 1 2 3 and auto next to the fan symbol which alternate on pressing the FAN button have the following meaning Only ventilation mode enabled by the MODE button models with fan at single speed OFF the supply fan is off Toara dei TS 1 supply fan always on 2 3 auto not available FLF2 F3 ON FAN OFF models with supply fan provided with three speed rates split unit OFF the supply fan is off 1 supply fan always on at speed 1 Setpoint 2 supply fan always on at speed 2 3 supply fan always on at speed 3 Fig 52 6 1 auto not avai
24. than 3 seconds if the alarm conditions have been removed the instrument returns to the normal operation and the alarm relay is de energized If on the other hand the alarm conditions persist the alarm situation in progress remains 6 2 Description of the alarms Detection is immediate for all alarms except the high and low temperature alarms which are activated after a period set by parameter P5 When the machine is turned OFF probe alarms are detected only The alarms which can be detected are described in the following table CODE TYPE OF ALARM EXPLANATION HRI Compressor 1 maintenance alarm Compressor 1 has exceeded the no of operating hours specified by parameter c7 HR2 Compressor 2 maintenance alarm Compressor 2 has exceeded the no of operating hours specified by parameter c7 l HRF Supply fan maintenance alarm filter clean The supply fan has exceeded the no of operating hours specified by parameter F4 EEPROM error Read write error in non volatile internal memory The terminal doesn t receive data from the power board Carel code 030220306 rel 2 0 dated 29 06 01 37 Aria E ST EI E2 E3 E DF Defrost time has exceeded the maximum specified by parameter d6 LOH The humidity measured by probe B2 is over the value of parameter P8 HIH The humidity measured by probe B2 is below the value of parameter P7 ThF Digital input ID1 has signalled a fault in the supply fan LO P Digital input ID2 has signalled l
25. 1 probe B2 bit 2 probe B3 bit 3 not used bit 4 digital input ID1 bit 5 digital input ID2 bit 6 digital input ID3 bit 7 set point category when in time band operating mode L6 Type of protocol and presence of power board Given that the 3 connectors on the rear of the Aria terminal Gnd Rx and Tx can be used both to connect the pLAN network to a pCO or pCO2 and to connect a RS485 serial line to a supervisor L6 is used to specify what has been connected L6 0 no connection L6 1 RS485 line L6 2 pLAN line L6 3 no connection L6 can also be used to inform the Aria terminal that the power board is not connected in this case Aria is supplied by an external source so as to prevent the E SR alarm from blocking the programming and being permanently visible on the display L6 4 no connection and no I O board L6 5 RS485 line and no I O board L6 6 pLAN line and no I O board L7 Supervisor communication speed Selects the communication speed for the data sent across the RS485 serial line L7 0 1200 baud L7 1 2400 baud L7 2 4800 baud L7 3 9600 baud Carel code 030220306 rel 2 0 dated 29 06 01 50 8 DIMENSIONS The Figures below provide the dimensions in mm of the terminal and the power board Fig 8 2 and 8 3 1 mede i dA SEE cleck L M bh Fr i G deu held 86 aria fan Y Carel code 030220306 rel
26. 2 0 dated 29 06 01 Aria Aria 9 TECHNICAL SPECIFICATIONS The control s electrical specifications are as follows 9 1 Terminal board power supply connection to power board maximum distance from power board m from power board using a bipolar cable with cross section from 0 5 to 1 5mm depending on the length of the connection from 0 to 50m min 0 5mm from 50 to 150m min Imm 150 connection to pLAN network via twisted and shielded cable AWG20 or AWG22 1 pair shield analogue inputs 1 B1 for NTC Carel regulation probe field of measurement 0 C 50 C resolution 0 5 C 1 F accuracy 1 5 C 3 F through entire field of measurement 1 B2 for voltage inputs 0 5 1 Vdc with 20mV accuracy Internal humidity sensor with field of measurement 1096 9096 R H accuracy 6 in temperature range 0 50 C 3 at 25 C Temporary variations of up to 10 R H are possible in the presence of 10V m electrical fields PTI of materials used for insulation V 600 operating temperature OT5S0 C 90 UR non condensing storage temperature 10T65 C 90 UR non condensing operating humidity R H 20 90 storage humidity R H 0 90 surface temperature limits as per operating temperature Max no of terminals in the pLAN network 30 mounting Wall index of protection IP30 Tab 9 1 1 Avoid installation near power cables usin
27. 4 relay 3 bit S relay 2 bit 6 relay 1 percentage of damper opening gear humidity set point no write if is in parameter 158 humidity set point modificationmode 159 local clock HOURS local clock HOURS YES 160 local clock MINUTES local clock MINUTES YES 161 local clock DAY local clock DAY YES 162 manual operating mode manual operating mode AUTO COOL HEAT FAN ONLY AUTO COOL HEAT FAN ONLY 163 fan operating mode fan operating mode OFF AUTO SPDI SPD2 SPD3 OFF AUTO SPDI SPD2 SPD3 Alarm signal 1 bit0 compressor maintenance alarm 1 HR 1 bitl compressor maintenance alarm 2 HR 2 bit2 supply fan maintenance alarm HR F bit3 high temperature alarm HI T bit4 low temperature alarm LO T bit5 alarm from digital input E ID bit6 alarm from pLAN REM 164 bit7 defrost over maximum time alarm E DF bit8 EEPROM error at boot EE bit9 run time EEPROM error EE bit10 not used bit11 terminal communication error E SR bit12 power board communication error E TR bit13 NTC control probe error E1 bit14 0 1Vdc probe error E2 bit15 power board probe error E3 Alarm signal 2 bit 0 pool pump alarm P AL bit 1 fan thermal cut off alarm Th F 165 bit 2 not used bit 3 not used bit 4 high humidity alarm HI H bit S low humidity alarm LO H bit 6 low pressure alarm LO P machine status flag bit 0 clock present internal or remote bit 1 clock operating correctly 166 RE bit 2 internal clock present bit 3
28. 60 H6 lock keypad 0 1 61 H7 select display on LCD B2 CURRENT SET POINT B3 62 H8 set point override time 0 24 63 H9 clock display 12 24 hours 0 1 0 24h 1 12h 64 H10 LCD contrast 25 25 65 H11 enable button click 0 1 Carel code 030220306 rel 2 0 dated 29 06 01 31 Aria 66 H12 back lit front panel buttons at rest 0 1 67 H13 enable clock 0 1 2 0 disabled 1 local 2 remote 68 LI serial device address 1 31 1 207 69 I2 pLAN destination address 0 31 70 L3 pLAN page 0 255 71 I4 damper stroke time 1 900 72 L5 select alarm source 0 255 73 SPS firmware version 0 255 74 dev9 machine operating status 0 255 75 R28 free cooling free heating differential 0 5 15 0 76 R23 K for temperature set point compensation 0 10 0 TI R24 K for temperature set point compensation 0 10 0 78 C9 compressor hour counter 3 0 19 9 79 C10 compressor hour counter 4 0 19 9 80 P6 delay in alarm from input ID3 0 600 81 H14 select active valve status 0 1 0 normal logic 1 opposite logic 82 H15 enable dehumidification in UNOCCUPIED and NIGHT TIME 0 1 83 R25 minimum limit for the entity of set point compensation 10 0 0 84 R26 maximum limit for the entity of set point compensation 0 10 0 R27 type of free cooling free heating 0 1 2 3 4 5 6 7 0 disabled 1 free cooling witho
29. 8 4 A Je v buttons simultaneously 56 IAA i ar eee amem ee eee rese tid dee tota 17 Se OPERATION a aoi sses esee EE SETE ENS Ee SEESE SEEST SINNI ARR IRR ESES 5 1 CROCI V vate DR TU Oe OU A A E ITS S 5 2 Stand alone version 5 2 1 Proportional regulation algorithm 5 2 2 Proportional Integral regulation algorithm da 5 273 Split operationx 4 ee Pu e item m 5 2 4 Detrost tana semen t s o nne DRIED nt eiim en ePi pP 5 2 4 1 Forced defrost due to low outside temperature m 5 2 4 2 Maritial defroste i eene RO Teo PE DII n o ne REPE D EHE 5 2 4 3 Compressor stops at start and end defrost i 5 2 4 4 Supply fan activation delay after defrost 5 2 4 5 Smart defrost cycles 5 2 5 Dehumidification management eee NS 5 2 5 1 Dehumidification in Night time or Unoccupied mode trennen eret enne trennen 22 35 2 5 2 Dehumudification stop temperature eee t ett E AENEASE ESEI Rte REED On PD e HEU ble ep MR LR 22 5 2 6 5 2 1 5 2 8 5 2 9 5 3 5 3 1 5 3 2 5 4 5 5 5 5 1 5 6 5 7 6 ALARMS AND TROUBLESHOOTING AXutomatic Set PoINtUcOmpen Sati Ons 2 eee ee A em e n Oen HERE MS 23 Free cooling amp Free heating essent 2522 Using probes B2 and B3 24 Outputmanagemnent 2 5 5 Saee ec d RI RR tit 25 Zone COMM version sint RE OR I An ie Te LEE an 27 Re gulation algoritlim
30. EFCASE set point BRIEFCASE set point 6 ARMCHAIR set point ARMCHAIR set point 7 MOON set point MOON set point 8 temperature differential temperature differential 9 remote set point remote set point 10 remote probe B1 11 remote probe B2 12 remote probe B3 13 effective temperature set point effective temperature set point PARAMETERS 21 RI pool set point 10 0 38 0 22 R5 humidity set point R16 R17 23 R8 relative set point for support heaters 0 50 0 24 devB remote temperature set point R12 R13 25 R12 minimum allowed limit for the temperature set point 0 R13 26 R13 maximum allowed limit for the temperature set point R12 50 0 27 R16 minimum allowed limit for the humidity set point 0 R17 28 R17 maximum allowed limit for the humidity set point R16 100 29 R6 humidity differential R16 R17 30 R9 differential for support heaters 1 0 22 0 31 R2 pool temperature differential 1 0 10 0 32 R4 temperature dead zone 0 10 0 33 C5 compressor hour counter 1 0 19 9 34 C6 compressor hour counter 2 0 19 9 35 C9 compressor hour counter 3 0 19 9 36 C10 compressor hour counter 4 0 19 9 37 F3 supply fan hour counter 0 19 9 38 C7 compressor hour counter maintenance threshold 0 10 0 39 F4 supply fan hour counter maintenance threshold 0 10 0 40 P3 high temperature alarm threshold P4 1 150 41 P4 low temperature alarm threshold 0 P3 1 42 P7 low humidit
31. OOL mode 0 1 2 3 0 disabled 1 enabled in Cooling 2 enabled in Heating 3 always enabled 52 PS delay in high low temperature humidity alarms 0 120 53 P9 delay in low pressure alarm on ID2 in normal operation 0 900 54 P10 delay in low pressure alarm on ID2 in heating with heat pump 0 900 55 PI1 delay in low pressure alarm on ID2 in defrost 0 900 56 P6 delay in alarm from input ID3 0 600 57 H7 select display on LCD 0 B2 1 CURRENT SET POINT 2 B3 58 H9 clock display 12 24 hours 0 1 0 24h 1 12h 59 H13 enable clock 0 1 2 0 disabled 1 local 2 remote from pLAN 60 H6 lock keypad 0 1 61 H10 LCD contrast 25 25 62 H11 enable button click 0 1 63 H12 back lit front panel buttons at rest 0 1 64 P1 enable buzzer 0 1 65 dev9 machine operating status 0 255 66 H8 set point override time 0 24 67 HI machine model 0 19 68 H2 function of the programmable output 0 1 2 3 4 5 0 humidifier I alarm 2 external fan 3 pool heater 4 operatine mode signal 5 Comfort mode signal 69 H14 select active valve status 0 1 70 FS supply fan always on 0 1 71 dl enable defrost 0 1 72 d2 type of end defrost 0 1 2 0 time 1 temperature 2 from ID3 73 dS minimum start defrost time 10 120 74 d6 maximum defrost duration 1 900 75 d7 delay between two defrost requests 10 180 76 d8 support heaters in defrost 0 1 77 d9 pause a
32. ail by means of suitable adapters available on the market Connect the actuators as in Fig 3 2 1 the relays no 1 and no 2 have dual contacts while the others have only one contact normally open For a description of the devices controlled by each relay please refer to the Applications pg 7 according to the specific configuration of the machine The digital inputs ID1 ID2 and ID3 are optically insulated and suitable for 24Vac dc signals with normally closed logic at the contact opening there is alarm condition To simplify the wiring it is possible to get the 24Vac dc power supply from the GND terminal see Fig 3 3 1 In fact J3 jumper can be placed as follows J3 in position 1 2 INT ID COM digital inputs powered internally Fig 3 3 1 in position 2 3 ID COM EXT 24Vac dc power supply to be provided by the user Fig 3 3 2 In order to get a real optical insulation digital inputs power supply must be different from the one on the board that is 24 Vac Vdc In case the digital inputs are supplied by direct current the IDCOM terminal must be connected to the positive pole ID1 ID2 and ID3 to the negative one 6 GND era ID COM oO oO 6 IDI oO O IDI oO O 6 ID2 oO ID2 oO ID3 oO ID3 Fig 3 3 1 Fig 3 3 2 For correct installation the following warnings must be heeded e always disconnect the power supply before performing any operations on the board during assembly main
33. aking the connection to the power board special attention must be paid to the polarity the T pin on the terminal side must be connected to the T pin on the power board similarly for the T pin however in case the cables are connected in the opposite order the instrument will not be damaged The installation procedure is the following 1 2 3 Nn To detach the front panel of the terminal from the rear shell place a flat heat screwdriver in the slot in the centre of the bottom side of the housing and release the locking flap Fig 3 1 1 Raise the front panel using a hinge movement using the upper edge of the instrument as the pivot and raising the lower edge Fig 3 1 1 To mount the rear shell to the wall place the hole in the centre of the shell over the control cables of the instrument which come out of the wall The placement of the mounting holes has been designed to allow the instrument to be fixed onto standard European flush mounting boxes conforming to standards CEI C 431 IEC 670 If this is not available use the mounting holes on the shell as a guide for drilling holes into the wall and then use the screw and plug kit supplied Connect the cables to the terminals on the rear shell of the terminal as indicated in Fig 3 2 1 or Fig 3 4 1 according to the application you are facing to stand alone or multi zone Check the correct installation of the two jumpers J1 and J2 located on the rear side of the
34. al zone Fig 5 2 1 3 m Fig 5 2 1 4 The Fig no 5 2 1 3 and 4 show respectively reverse without neutral zone and reverse with neutral zone For the models with 2 regulation outputs in direct operation without Neutral zone Fig 5 2 1 5 the device activates the first output OUT1 when the controlled measurement exceeds the value of set point 1 2 differential the second output is then activated OUT2 when the measurement exceeds the value of set point differential The outputs remain ON until the controlled measurement falls below the value of set point 1 2differential OUT2 goes off and set point OUTI also goes off In reverse operation without Neutral zone Fig 5 2 1 7 the device activates the output OUT when the controlled measurement falls below the value of set point 1 2 differential output OUT2 is also activated if the measurement falls below the value of set point differential The outputs remain ON until the controlled measurement reaches the value of set point 1 2 differential OUT2 goes off and set point OUTI goes off too Set point C1 C2 ON C1 C2 OFF C1 C2 ON temperature Differential Fig 5 2 1 5 point temperature Differential Neutral zone Fig 5 2 1 6 Set point HLH2 ON H1 H2 ON H2 HI H1 H2 OFF temperature gt temperature Differential Neutral zone Differential Fig 5 2 1 7 Fig 5 2 1 8 4 R92 Temperature C 12 R1 18 Fi
35. ange its products without prior notice Carel code 030220306 rel 2 0 dated 29 06 01 54 CAREL Technology amp Evolution CAREL srl Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com Agency cod 030220306 rel 2 0 dated 29 06 01
36. arameters with address from 1 to 111 which are only sent on explicit request var 156 In order not to overcharge the management of such variations the remaining variables have been divided into the following groups e analogue variables from 138 to 150 e integer variables from156 to 170 e binary variables from 171 to 186 The variation of one of the variables in the group means the whole group will be sent The range of values allowed is indicated in brackets when there are no numeric indications or references to other parameters the first identifier has a value of zero and the successive ones in the list have values in increasing order example OFF AUTO SPD1 SPD2 SPD3 means 0 1 2 3 4 Some data is visible both as variables and as parameters if accessing a set point as a parameter rather than as a variable the modification will NOT be accepted as delayed saving is required which is only possible when accessing as a variable Following is a description of the information which may be exchanged between the Aria controller and the pCO or pCO 5 5 1 List of variables If the variation field in the brackets contains some nouns they are the meaning of the values 0 1 2 of the parameter For ex R19 P P I means 0 P 1 P I In the parameters where there is only 0 1 0 means NO while 1 YES i e enabled or not enabled function DIGITAL RX READ WRITE AUX INDICES 171 ID1 if enabled
37. atic operating mode is the following Comfort set Comfort set point point Differential Differential Differential i Differential Differential Differential lt gt le gt lt gt HON C ON H ON CON H ON CON temperature T Comfort set p Night Night temperature Unoccupied Unoccupied L perature point Deviation Deviation Devation Deviation Comfort operations Night operations Unoccupied operations When the unit is turned off symbol O visualized in the display or on in MODE FAN Aria will still start the heating stages whenever ambient temperature drops below the low limit set with parameter P4 Carel default value is 10 C in order to avoid any damage in the room In any case this anti freeze function can be excluded using parameter R14 The right value of each category is related to the season and the personal idea of comfort of each user 4 2 4 2 Setting the humidity set point SET button for 3 seconds This can only be modified if the presence of the humidity probe has been enabled using S1 2 The set point is modified using the and v buttons modifications are acknowledged by the controller 5 seconds after releasing the buttons The humidity set point can also be set by parameter R5 4 2 5 Programming the parameters The user has numerous parameters available to customise the operation of the control making it adaptable to a wide range of needs and applic
38. ations The parameters have been divided into 3 levels 1 DIRECT D directly accessible without protection code 2 USER U accessible with protection code installer level 3 FACTORY F accessible with protection code at factory level manufacturer level Carel code 030220306 rel 2 0 dated 29 06 01 14 Aria 4 2 5 1 Setting the DIRECT parameters SET HOLD buttons 1 1 an 1H m a d Li pic LI I Fig 4 2 6 1 1 The display shows the first of the main machine operating parameters available The parameters are scrolled using the and v buttons Once having selected the parameter to be modified proceed as follows e press the SET button to enter modifying mode the selected parameter flashes e press the and v buttons to modify the value of the parameter e press the SET button to confirm the modification To exit programming mode and accept the modifications to the parameters press the HOLD button To exit programming mode and NOT accept the modifications to the parameters press the RESUME button or wait for 1 minute of inactivity the final 15 seconds are signalled by the flashing of the characters on the display 4 2 5 2 Setting the USER parameters installer SET MODE buttons These are the machine s working parameters and are password protected to avoid access by non authorized persons First of all the access code 22 must be entered using the and v buttons and conf
39. ature control Carel code 030220306 rel 2 0 dated 29 06 01 44 Aria R14 Anti freeze Enables the anti freeze function described in paragraph 4 2 4 1 R16 Min humidity set point Establishes the set point minimum limit for humidity regulation R17 Max humidity set point Establishes the set point maximum limit for humidity regulation R18 Compressor rotation If set at 1 it enables compressor rotation to equalize the operating hours see the paragraph on Output management R19 Type of regulation Establishes the type of regulation used to control temperature If R19 0 the control performs proportional regulation if R19 1 the regulation is proportional plus integral Humidity control is performed with proportional regulation only R20 Integral time constant Establishes in the case of integral regulation P I R19 1 the integral time constant R21 Regulation delay Establishes the delay to perform any regulation after powering the controller in order to avoid peaks in current absorption where a large number of Aria units is used R23 Positive compensation slope cooling This coefficient establishes the exact value by which the set point increases for each extra degree in the outside temperature The value is calculated as follows T outside Original Set R3 4 C R23 If T outside lt Original Set R3 4 C there is no compensation when R23 0 there is also no compensation R24 Negative compensation slo
40. ault value column def of the same table except for the following parameters S1 S2 S3 R R14 R18 R27 F7 F8 F9 F10 F11 F12 F13 HI H2 H15 H16 P12 d12 Carel code 030220306 rel 2 0 dated 29 06 01 15 Aria 4 2 6 Using the Hardware key 4 2 6 1 Copying parameters from the removable hardware key to the controller SET buttons when powering Aria or even only button when powering Aria At the start of the operation the script CE appears at the end OK or NO appears according to the result of the data transfer 4 2 6 Copying parameters from the controller to the removable hardware key SET v buttons when powering Aria At the start of the operation the script EC appear at the end OK or NO appear according to the result of the data transfer 4 2 7 Realtime clock and time bands 4 2 7 1 Setting the time CLOCK button version with built in clock only The value to be modified that is hours minutes and day of the week is selected by pressing CLOCK repeatedly modified using and v and confirmed by pressing CLOCK again Pressing RESUME or after 60 seconds of inactivity normal mode is resumed and the modifications entered are lost 4 2 7 2 Time bands The time bands are the intervals of time into which a 24 hour day is divided in each band the operating mode of the unit can be eo X selected between al J Mil o There are 6 possible time bands for each of
41. band identified by the differential the damper is open proportionally in the position shown below by the Set Point based on the excursion time of the dampers parameter L4 Damper opening Damper opening HEATING QU 100 COOLING temperature E temperature setpoint Setpoint pCO setpoint t gt differential i pCO setpoint Setpoint setpoint Fire symbol Fire symbol i pira lit i off ice symbol off i ice symbol lit Fig 5 3 1 Carel code 030220306 rel 2 0 dated 29 06 01 27 Aria In time band operation mode pCO must be provided with the real time clock option part no PCOCLKMEMO the current time is in fact then sent to the zones through the network The pCO on the other hand does not require an optional board OFF mode The damper is totally closed and no regulation is performed Humidity regulation The rate of opening of the damper is decided according to the temperature the pCO can however decide the percentage of humidity to introduce into the duct according to the values arriving from the individual zones related to the ambient humidity and the required humidity humidity set point 5 3 2 Damper management At start up the instrument forces the dampers to close completely in the excursion time equal to the one set by parameter L4 10 During normal operation when temperature regulation is requested the control opens and closes the damper with a minimum variation of 5 from the total
42. calculated at all points of regulation but rather only when the measurement is located in the zone identified by the differential plus 10 Outside of this zone proportional regulation only is performed Once PI regulation is activated the control increases the integral error which is added to the proportional error in every instant this means that the instrument is constantly acting to reduce the total error being accumulated with the result that the point of equilibrium is continuously being brought nearer to the required set point 5 2 3 Split operation The machine model H1 14 allows the management of split type units that is single compressor heat pump with the possibility to manage a three speed supply fan in the internal exchanger The ability to modify through ventilation the overall capacity 0 100 of a single compressor based unit has led to the development of temperature control which is different from the one available on the other selectable machine models parameter HO Given the set point and the differential the following control logic has been preferred considered as being more efficient Haux relative set point i Hqux diff Differential Diten Haux ON C1 ON 50 diff 50 diff temperature ci OFF Set point f FI F temperature gt 100 66 33 of 33 66 100 of differential differential Fig 5 2 3 1 The compressor is in fact switched on at 50 of the temperature differential both
43. coefficient Ko per calibrating 0 1 V probe B2 32768 32767 96 SP5 firmware version 0 255 97 SP6 programming key version 0 255 98 SP7 backup flags 0 255 99 TCFG test configuration 0 255 6 ALARMS AND TROUBLESHOOTING The detection of an alarm brings about e the activation of the buzzer if present and enabled parameter P1 not equal to 0 depending on the type of alarm the display of the alarm code and the letters AL alternating with the display of the temperature the de activation of some or all the outputs depending on the type of alarm the activation of the alarm relay if present parameter H2 1 depending on the type of alarm WARNING alarm relay refers only to Stand Alone models Lt CS o lt Fig 6 1 When more than one alarm is detected at the same time the display automatically scrolls through the occurred alarms 6 1 Resetting the alarms 6 1 1 Muting the buzzer pressing the RESUME button for less than 3 seconds whenever an alarm is detected mutes the buzzer while the outputs deactivated by the alarm in question remain de energized The alarm code continues to be displayed alternating with the measured temperature value 6 1 2 Automatic reset some alarms are automatically reset when the cause is no longer present that is they are deactivated relevant message on the display buzzer and alarm relay 6 1 3 Manual reset pressing the RESUME button for more
44. communication between the terminal and the power board the power board does not receive the data The alarm signal E ST is displayed the buzzer is activated and all outputs are de energized The LED on the power board blinks twice normally once in 3 seconds The alarm is reset automatically that is when communication is established again If the alarm occurs check the two lead serial connection between the terminal and the power board E1 B1 temperature regulation probe error Signals the malfunctioning of the temperature probe used for temperature regulation B1 Also check the position of jumper J1 see paragraph Terminal installation In the case of an alarm the controller provides the alarm message E1 the buzzer and the alarm relay are activated and all outputs are de energized except for the supply fan The fan stays on to allow air circulation in public areas The alarm is reset automatically that is when communication is established again E2 B2 auxiliary probe error Signals the malfunctioning of the B2 active probe Also check the position of jumper J2 see paragraph 3 1 In the case of an alarm the control provides the alarm message E2 the buzzer and the alarm relay are activated and the humidification and dehumidification functions are suspended The alarm is reset automatically that is when the sensor starts working correctly E3 B3 probe error on power board Signals the malfunctioning of the probe Blon the power boar
45. d This alarm is only detected if the defrost function is enabled parameter dl In the case of an alarm the control provides the alarm message E3 and the buzzer and the alarm relay are activated The alarm is reset automatically that is when the sensor starts working correctly E DF Defrost alarm If the defrost process ends at the maximum time specified by parameter d6 the alarm signal E DF is activated The alarm is reset automatically that is when the following defrost cycle has been performed correctly It can also be reset by pressing the RESUME button for more than 3 seconds HI H High humidity alarm When the humidity measured by probe B2 rises above the value specified by parameter P8 for a time greater than P5 the high humidity alarm signal HI H is activated The alarm relay and the buzzer are not activated LO H Low humidity alarm When the humidity measured by probe B2 falls below the value specified by parameter P7 for a time greater than P5 the low humidity alarm signal LO H is activated The alarm relay and the buzzer are not activated Th F Fan thermal cut off alarm When digital input ID1 with H3 3 is closed the code Th F appears the buzzer is activated and all the outputs are switched off The alarm is manual reset that is after the cause of the alarm has been removed See paragraph 5 6 LO P Low pressure alarm When digital input ID2 with H4 3 is closed based on the settings of parameters P9 P10 and P11 tha
46. defrosts Both at the start and the end of each defrost the compressors can be stopped for the time set by d9 so as to allow the fluids in the refrigerating circuit to stabilise before the valve reverses its status If one of the times d9 or d10 is set to 0 the compressors remain on for the entire defrost process and the valve is reversed with the compressors on d10 Compressor start delay after reversing valve switching in defrosts After the status of the valve has been reversed at the start and the end of the defrosts the compressors start when the time set by d10 has elapsed This is true only if a time has been set for d9 if one of the times d9 or d10 is set to 0 the compressors remain on for the entire defrost process and the valve is reversed with the compressors on d11 Forced defrost temperature This is the temperature value of the external condenser lower than the normal start defrost temperature d3 at which a defrost is performed without respecting the normal waiting time between two defrosts d7 The forced defrost can be performed just once after this the time d7 must elapse even if the outside temperature is still low d12 Intelligent defrost time delta This is the value in minutes that is subtracted from or added to the time between defrosts d7 whenever the necessary conditions are true see par 5 2 4 5 d13 Manual defrost By setting the value of this parameter to 1 the machine performs an immediate defrost at the
47. digital input takes the function of general alarm input In this case another parameter P2 determines the response of the control to this alarm only visualization without any effect on the outputs P2 0 or a serious alarm that activates the alarm relay and blocks all the outputs P2 1 The general alarm is delayed by the time set for P6 If H5 2 the opening of the contact ends the defrost cycle for this to occur parameter d2 end defrost mode must in any case be equal to 2 If H5 3 the input is used as a Remote On Off using the same logic described for input ID2 This function is repeated in two inputs to allow the possibility of using it together with the Low pressure alarm function 5 7 Supervisor ARIA can be connected to a supervisor installed on a PC via RS485 serial line The Carel communication protocol is used in this case however the Carel Gateway also allows connection to Modbus and other protocol systems The three lead RS485 line is physically connected using the same connector as the pLAN line therefore the Aria terminals used must feature the pLAN option codes TAT PWO Parameter L6 is used to select between pLAN or RS485 line The communication speed may be set between 1200 baud and 9600 baud using parameter L7 The following table shows the variables that can be sent and received How these are used depends on the type those marked R can be read those marked W can be written and those marked with both symbols can be bo
48. e 030220306 rel 2 0 dated 29 06 01 46 Aria F14 Forced fan activation delay To prevent the supply fan from remaining off for a long time in very stable environment the time set by F14 is considered the maximum acceptable inactivity time after which the fan is activated for the time set by F15 The inactivity time F14 is not counted when the machine is off F15 Forced fan activation time When the time F14 has elapsed with the machine on and the supply fan off the fan is activated for the time set by F15 even if not requested by the system If the unit is switched off during this function the action is cancelled 7 2 5 Defrost d parameters d1 Defrost execution Establishes if the defrost control of the external heat exchanger in the case of a heat pump unit must be performed If d1 0 the control is disabled If dl 1 control is enabled and is performed according to the measurement of probe B3 on the relay power board d2 Type of defrost termination Establishes if the defrost termination is based on time d2 0 or by temperature threshold d2 1 or when the defrost termination contact represented by the digital input ID3 is detected open d2 2 Thus if d2 0 the duration of the defrost is fixed and is set by parameter d6 If d2 1 the defrost ends when probe B3 on the external heat exchanger reaches the end defrost threshold d4 if such a value is not reached within parameter d6 defrost is however terminated and the messa
49. e requested some time after the time d7 has elapsed The parameter defining the value that the time between defrosts is increased or decreased by is d10 and is expressed in minutes The time between defrosts may be decreased by a maximum of 60 of the set value if for example d7 20 minutes it may be decreased by a maximum of 12 minutes and the minimum value it may assume is 8 minutes Carel code 030220306 rel 2 0 dated 29 06 01 21 Aria it cannot be decreased below this level If d10 0 the function is disabled When switching Aria off and on again or after a blackout the time d7 is reset to its original value Below is a time diagram relating to the intelligent defrost function and to the compressor stops as can be seen the temperature at the end of the defrost cycles is below the activation threshold two consecutive times which therefore causes the time d7 to be decreased Active defrost i i i Reverse cycle i L 1 _1_ _ e I l I l T I I I 74 Stop compressors I du coh eis M Jem Temperature 1 4 Jessie 44 JE I l I I l l l rp 4 I l l l 1 44 ttt L__ 4 __ Se Senos eee bao d9 d10 d9 d10 d7 d5 d7 d5 d9 d10 d9 d10 5 2 5 Dehumidification management The process of dehumidification is initiated by activating the cooling actuators when the ambient humidity exceeds the humidity set point the correspo
50. ed limit for the temperature set point R12 50 0 pool temperature differential 1 0 10 0 12 H17 pump alarm delay 0 600 13 compressor hour counter I 0 19 9 14 compressor hour counter 2 0 19 9 15 compressor hour counter maintenance threshold 0 10 0 16 supply fan hour counter 0 19 9 17 F4 supply fan hour counter maintenance threshold 0 10 0 18 d3 start defrost temperature 30 0 d4 19 d4 end defrost temperature d3 50 0 20 P3 high temperature alarm threshold P4 1 150 21 P4 low temperature alarm threshold 0 P3 1 SI type of probe B2 0 1 2 0 Absent 1 0 1V temperature 2 0 1V humidit digital filter for input BI 1 15 temperature unit of measure 0 C 1 F select source for probe BI 0 1 0 internal 1 external humidity set point R16 R17 humidity differential R16 R17 enable dehumidification 0 1 enable support heaters 0 1 B enable compressors with support heaters 0 1 R16 minimum allowed limit for the humidity set point 0 R17 R17 maximum allowed limit for the humidity set point R16 100 enable compressor rotation NO NORMAL 34 R19 type of control P P I 0 P 1 P I integration constant for PI algorithm 20 999 e control delay 0 600 minimum compressor on time 0 300 minimum compressor off time 0 900 minimum time between two starts of the sa
51. emperature S1 1 or for controlling humidity S2 2 Depending on the type selected the corresponding value of the measurement will be shown in the top right of the display if enabled by parameter H7 S2 Minimum value B2 probe Sets the temperature or humidity value corresponding to a voltage of OVdc of B2 probe S3 Maximum value B2 probe Sets the temperature or humidity value corresponding to a voltage of 1Vdc of B2 probe S4 Calibration B1 regulation probe Allows the correction of the value measured by B1 probe for measuring the ambient temperature S5 Calibration B2 probe Allows the correction of the value measured by B2 probe Carel code 030220306 rel 2 0 dated 29 06 01 43 Aria S6 Digital input filter probe B1 Allows the setting of the coefficient used in the digital filtering of the value measured and the maximum variation which can be measured by the probes on the terminal in a regulation program cycle High values for this parameter allow the elimination of any noise in the analogue inputs yet diminish the reaction time of measurement S7 Unit of measure for the temperature Allows the unit of measure for the temperature to be selected either in degrees Centigrade S7 0 or degrees Fahrenheit S7 1 Once selected all data is displayed in the chosen unit of measure and the already set values will be converted S8 Remoting B1 probe Informs the control of the presence of the outside temperature probe con
52. emperature for condensation control in heating 0 0 F 11 103 d12 entity of intelligent increase decrease in interval between defrosts 0 36 104 F13 supply fan start delay after compressors ON at end defrost 0 180 105 dil forced defrost temperature 50 0 50 0 106 F14 supply fan inactivity time to activate anti stratification 0 999 107 F15 duration of ventilation for anti stratification 0 99 108 d13 manual defrost 0 1 109 H18 pump configuration ON DEMAND CONTINUOUS CONTINUOUS IN COMFORT 110 R29 compressor disable differential Taup Tour 0 50 0 111 R14 enable anti freeze 0 1 Notes on switching the machine off and on The unit can be switched OFF and ON from the keypad using the Mode button by opening digital input 2 or 3 or simulating the opening of the same by pLAN through variable 172 only if LS 32 and H4 1 or controlling digital input 3 via pLAN with the variable 173 only if L5 64 and H5 3 in any case who turns the unit OFF always has priority over who wants it ON again However on setting variable 185 by pLAN forces the unit ON no matter if it was previously turned off by keypad or ID2 AUX variables The variables declared to be AUX are stored in RAM and must be initialised by pCO when powering Aria Carel code 030220306 rel 2 0 dated 29 06 01 32 Aria 5 6 Digital inputs These are physically located on the power board and need to enabled via the terminal by setting the correspo
53. espective guide pLAN technical guide the connection to the pCO pCO is as follows ARIA ARIA e g e g L1 3 L2 1 L3 182 L1 2 L2 1 L3 181 Rx Tx Rx Tx GND Rx Tx Rx Tx GND OOO Ololo T a X X N N N Jo N NON LISI NN y d N NN pCO X XX JF N N f f a CUN SHIELDED CABLE SHIELDED CABLE x Je dl X O GND O rxrx ce 1 O Rxx AWG22 1 twisted AWG22 1 twisted pair with shield pair with shield Jil Figure 3 4 2 Carel code 030220306 rel 2 0 dated 29 06 01 11 Aria 4 USER INTERFACE In Fig 4 1 are shown the buttons and the indications managed by the terminal Immediate change CLOCK A of the current set H ZIE GRBE ma Side buttons for Li NN Id IT s fi Vv programming M MODE FAN Me ik We Th Fr Sa Su a EM ND sg AM RESUME Fig 4 1 4 1 Meaning of the symbols on the display Modify the value i Sensor B2 reading or ambient Thermometer associated to temperature set point temperature measurement Cooling ON Ambient Ambient temperature set point temperature displayed Exit 18M Indicates B2 probe display i l ii Fan operating mode Conti z 1 ontinue Am Time band indication TO Tu We Th Fr Sa A hA d Heating ON Cep BM Hi me O N OFF Set point
54. etermined by the return of the temperature parameter d2 1 of the evaporator above a certain threshold parameter d4 or by the opening of digital input ID3 parameter d2 2 in any case it must end within a maximum time period parameter d6 The minimum interval between two defrost cycles is set by parameter d7 5 2 4 1 Forced defrost due to low outside temperature If the temperature of the condenser probe B3 falls below a certain temperature value d11 even if the minimum time between two defrosts has not elapsed d7 a defrost is performed in any case At the end of the defrost the time d7 restarts The program may not perform more than one forced defrost at a time and in fact after having ended the first it waits for the end of the time between two defrosts even if the outside temperature B3 is lower than d11 Note that the forced defrost is valid if the start temperature d11 is lower than the normal setting d3 5 2 4 2 Manual defrost Parameter d13 can be used to activate a manual defrost if the unit is operating in PdC mode The defrost can be ended by using parameter d13 again setting it to 0 or alternatively when a temperature is reached d4 or a maximum time elapses d6 or by pressure switch on a digital input in the latter three cases parameter d13 changes from 1 to 0 automatically 5 2 4 5 Compressor stops at start and end defrost The compressor can be stopped at the start and the end of the defrost cycles The defrost
55. figured using a Class II safety transformer as the power supply to guarantee the required protection against electrical shock Disconnect the power supply before performing operations on the board during assembly maintenance and replacement Protection against short circuits due to defective wiring must be guaranteed by the manufacturer of the machinery into which the device is integrated The control is made up of both plastic and metal parts All these parts must be disposed of according to the local standards in force on the matter of material disposal Carel code 030220306 rel 2 0 dated 29 06 01 53 Aria 10 SOFTWARE UPDATING 10 1 Notes for the release 3 4 and the following ones The software release 3 4 in comparison with the previous 2 0 rel includes the following changes in the following paragraphs of the manual 2 1 2 4 2 5 2 6 applications 4 2 6 4 2 7 4 2 8 4 user interface 5 2 4 5 2 5 5 2 6 5 2 7 5 2 8 5 2 9 5 3 2 5 4 operation 5 5 1 pLAN 5 6 digital inputs 5 7 supervisor 6 2 alarms 7 1 1 parameters 7 2 description of the parameters Programming with hardware key e With a release 2 0 programmed key when programming 3 4 version the parameters which did not exist before are not modified but they keep their current value e With a release 3 4 programmed key it is not possible to copy the program in the previous Aria version 2 0 Carel reserves the right to modify or ch
56. fitted with an internal probe for measuring the ambient temperature this may be remotely located in the duct and can be supplied with an extra active type probe 0 1 Vdc output for measuring the ambient humidity The instrument s user interface has been designed for ease of use featuring e the use of a complete and large sized liquid crystal display e the ergonomic separation of the buttons for programming on the side from those used for the immediate modification of the desired temperature set point placed on the front e the back lighting of the buttons and the display useful when there is not enough light a built in buzzer can be bypassed using a specific parameter which signals any operating anomalies of the unit and also follow the pressing of each button e The presence of an optional real time clock allows the instrument to be independently time band programmed each of the seven days of the week Being fitted with an independent power supply it constantly maintains the correct time even in the case of interruption to the main power supply The terminal is very easy to install as e just 2 leads connect the terminal to the power board e the quick insertion terminals used allow the connection of the cables to the terminal using the rear shell of the box the electronic parts are connected at the end as the front panel is closed e the instrument may be programmed by simply copying the settings from another master machi
57. fter stop compressors in defrost 0 180 78 d10 pause after reversing cycle in defrost 0 180 79 dl2 entity of intelligent increase decrease in interval between defrosts 0 36 80 d13 manual defrost 0 1 81 R7 enable dehumidification 0 1 82 H15 enable dehumidification in UNOCCUPIED and NIGHT TIME 0 1 R27 type of free cooling free heating 0 1 2 3 4 5 6 7 0 disabled 1 free cooling without 83 compressors 2 free heating without compressors 3 free cooling free heating without compressors 4 disabled 5 free cooling with compressors 6 free heating with compressors 7 free cooling free heating with compressors 84 L4 damper stroke time used by stand alone and free cooling free heating 1 900 85 H16 enable set point compensation 0 I 86 P12 type of low pressure alarm reset on ID2 0 1 2 3 4 5 0 automatic 1 manual 2 5 number of automatic resets within 1 hour from the first alarm then manual reset 87 LI serial device address 1 31 1 207 88 L2 pLAN destination address 0 31 89 L3 pLAN page 0 255 90 Carel code 4030220306 L5 select alarm source 0 255 rel 2 0 dated 29 06 01 36 Aria 91 R14 enable anti freeze 0 1 92 SP1 coefficient Kg for calibrating NTC probe BI 32768 32767 93 SP2 coefficient Ko for calibrating NTC probe B1 32768 32767 94 SP3 coefficient Kg for calibrating 0 1 V probe B2 32768 32767 95 SP4
58. g 5 2 1 9 The Fig no 5 2 1 7 and 8 show respectively reverse without neutral zone and reverse with neutral zone In Fig 5 2 1 9 provides a description of a heat pump unit with 2 compressors and 1 auxiliary heater in AUTO operation with the following parameter settings R1 18 R3 6 R4 2 R8 6 R9 2 Humidity regulation Fig 5 2 1 10 is very similar to the temperature one humidification reverse is driven by a single stage relay OP programmed accordingly H2 0 while dehumidification is performed by the available cooling stages which according to the model may be 2 Graphically a 2 compressor unit with relay OP programmed to drive an humidifier is hereafter indicated Differential Differential Dehum C2 100 humidity Hum set point Fig 5 2 1 10 Neutral zone is not available on humidity control Carel code 030220306 rel 2 0 dated 29 06 01 19 Aria 5 2 2 Proportional Integral regulation algorithm If system s point of equilibrium is required to correspond to the value of set point more sophisticated regulation must be imposed Integral type regulation must be added to proportional regulation available as standard Integral type regulation acts on the variation of the point of equilibrium from the set point aiming to reduce this to zero The integral time must be set a typical value for this parameter recommended as an initial setting is 600 seconds 10 minutes The integral error is not
59. g shielded cables if possible In such a case connect the shield to terminal GO reference for the power supply leaving the other end free 9 Relay power board for stand alone units power supply 24Vac 10 15 at 50 60Hz protected by external 1 AT fuse minimum electrical power required VA 12 connection to terminal using a bipolar cable with cross section from 0 5 to 1 5mm depending on the length of the connection from 0 to 50m min 0 5mm from 50 to 150m min Imm maximum distance from terminal m 150 analogue inputs 1 B3 for NTC Carel probe field of measurement 40 C 80 C resolution 0 5 C 1 F accuracy 1 C 2 F between 0 C and 50 C 1 5 C 3 F between 40 C and 0 C and between 50 C and 80 C digital outputs e Sor 7 depending on the relay model 2 of which with switching contacts and the others with contacts normally open e all contacts are protected by a 250Vac varistor relay output power 2500VA 10A resistive at 250Vac digital inputs 3 optically isolated 24Vac Vdc inputs the 24Vac Vdc power supply of the inputs must be different from that of the board to allow true optical isolation lead cross section mm min 0 5 max 2 5 no of automatic cycles A for each automatic action 100 000 ageing characteristic h 60 000 action disconnection type for each individual circuit 1B operating temperature OT50 C 90 RH
60. g to S7 parameter R4 Neutral zone Allows the temperature neutral zone to be set to control temperature see chapter no 5 The minimum variation is of 0 5 C or 1 F according to S7 parameter RS Humidity set point Allows the current humidity set point to be set to control humidity R6 Humidity differential Allows the humidity differential to be set for humidity regulation see chapter no 5 R7 Enable dehumidification If set at 1 it enables the process of dehumidification R8 Auxiliary heater relative set point Allows the set point for the auxiliary heaters as an offset to be subtracted from the main set point parameter R1 less the possible neutral zone parameter R4 to be set The minimum variation is of 0 5 C or 1 F according to S7 parameter R9 Auxiliary heater differential Allows the differential for the control of the auxiliary heaters to be set Identifies a lateral band to the auxiliary heater relative set point The minimum variation is of 0 5 C or 1 F according to S7 parameter R10 Enable auxiliary heaters If set at 1 it enables the auxiliary heaters management R11 Compressors with auxiliary heaters Establishes that when the auxiliary heaters are started the compressors must switch off R11 0 or stay on R11z 1 R12 Min temperature set point Establishes the set point minimum limit for temperature control R13 Max temperature set point Establishes the set point maximum limit for temper
61. ge E DF is displayed If d2 2 the defrost ends when the ID3 digital input opens if this does not occur within parameter d6 defrost is however terminated and the message E DF is displayed d3 Start defrost temperature Establishes the temperature below which the defrost cycle begins d4 Temperature to terminate defrost Establishes the temperature above which the defrost cycle ends d5 Minimum time to start defrost Establishes the time which the temperature on the external heat exchanger must remain below the start defrost threshold d3 with the compressor remaining on to allow the defrost cycle activation Such interval is re calculated every time the temperature rises again above the start threshold d3 d6 Maximum defrost duration When timed defrost termination is enabled d2 0 this establishes the duration of the defrost cycle if on the other hand defrost ends according to temperature or digital contact it represents the maximum duration in this case acting as a safety feature the alarm message E DF will be displayed d7 Delay between two defrost requests Represents the minimum delay between the end of a defrost cycle and the start of the next one d8 Auxiliary heaters during defrost If set to 1 of the auxiliary heaters will be starting while defrosting to limit the fall in temperature of the supply air At the same time the supply fan is activated to remove the heat produced d9 Compressor stop time before and after
62. ger than parameter P5 the buzzer and the high temperature alarm message HI T are activated The alarm relay is not energized LO T Low temperature alarm When the temperature measured by probe B1 falls below the value specified by parameter P4 for a period longer than parameter PS the buzzer and the low temperature alarm signal LO T are activated The alarm relay is not energized E ID Alarm from digital input The unit is able to detect external alarms through digital input ID3 When this is detected as being open the system waits for the delay time P6 then the buzzer and the alarm message E ID are activated If parameter P2 0 non serious alarm there are no other effects if P2 1 serious alarm the alarm relay is energized and there are two types of reaction if digital input ID1 is connected to the fan thermal cut off E ID switches off the outputs but not the fan otherwise it switches off the outputs and the fan When considered to be a non serious alarm P2 0 Aria resets automatically when the cause is no longer valid If P2 1 serious alarm and again the cause that generated the alarm is removed the RESUME button must be pressed for more than 3 seconds manual reset E FL Filter alarm The unit is able to detect a possible filter alarm through digital input ID1 if H3 2 When this is detected as being open the alarm message E FL filter alarm is activated The alarm is reset automatically when its cause is removed REM
63. ght time or Unoccupied temperature set point DEH EMI ECON DEHUMIDIFICATION IF REQUESTED BY THE HUMIDITY PROBE WATER HEATER NO 2 OPT WATER HEATER NO 1 Water Temp R2 1 If Pool Set Pool Diff lt T pool lt Pool Set activation of ambient air dehumidification fan compressors and possibly post heating and pool heating the hot gas is sent to the pool s heater The humidity probe is not considered 2 If T pool lt Pool Set Pool Diff activation of ambient air dehumidification and pool heating with two heaters The humidity probe is not considered 3 If T pool gt Pool Set gt the humidity probe is considered if dehumidification is not requested all the devices are deactivated with high humidity activation of dehumidification fan compressors and possibly post heating The priorities are 1 Ambient air dehumidification 2 Heating water 3 Ambient air conditioning The parameters used to manage the water set point and differential are R2 and R14 PUMP MANAGEMENT The pump usually operates in accordance with the devices that is with the water heaters if no heater is active the pump remains off The pump can also operate in continuous mode and in this case the choices are only in Unoccupied mode or in all operating categories Comfort Night time Unoccupied Parameter H18 For the management of the water flow switch see paragraph 5 6 IMPORTANT given that in environments such as
64. h a set of terminals for connection to the controlled devices such as valves compressors fans Its main features are e an analogue input for measuring the temperature of the external heat exchanger of a heat pump unit in order to control the defrost cycles and condenser fan for units without heat pump or alternatively by excluding the defrosts it may be used as the outside temperature measurement to control free cooling free heating and temperature set point compensation see paragraph X XX 5 or 7 digital outputs relays according to the models which allow the instrument to be used in a wide range of applications see H1 parameter e 3multifunctional digital inputs see 5 6 3 8 s 5 33 g g 828 a B D D o low o DODO ofo D o a D o o D RL7 RL6 RL5 RL4 RL3 RL2 RLI Dq a DOD k DOO k Da 2 n B 8 g 9 8 8 2 Figure 1 3 1 The following areas of connection can be identified on the board e terminals G and GO for power supply 24Vac e terminals T and T for connection to the terminal e terminals ID COM IDI ID2 and ID3 for connection of the digital inputs e terminals B3 and GND for connection of the NTC temperature probe on the external heat exchanger or in the outside air see paragraph 5 2 8 Using probes B2 and B3 e terminals Cn NOn for connection of controlled devices Jumper J3 located in the centre of the card is available for the selection of the digital inp
65. he OP relay is programmed to drive a humidifier parameter H2 0 this is commanded as described for reverse operation 5 2 1 10 Remote operating mode signal Setting parameter H2 4 the OP relay is driven by Aria to signal the current operating mode to an external device In such a case the output will be energized while cooling and de energized while heating in any case the OP relay is fitted with double terminals This indication is more reliable than the status of the reverse cycle valve as the latter changes during defrosts 5 3 Zone control version Zone control is performed using a Carel pCO or pCO programmable controller placed in the centralized AC unit connected to an Aria terminal for each zone through Carel pLAN network All the following references to the pCO are also valid for the pCO unless otherwise specified These exchange with each other the parameters the information required for regulation and other information on the status of the system The user interface differs from that on the stand alone model in some aspects 1 The CLOCK button no longer has the function of setting of the time as this is provided by the pCO via pLAN It still however maintains the function of setting the time bands 2 The MODE button alternates between the only two operating modes allowed AUTO and OFF 3 The FAN button has no function 5 3 1 Regulation algorithm Temperature regulation
66. he device lies exclusively with the user Please note that the machine contains powered electrical devices and all service and maintenance operations must be performed by specialist and qualified personnel who are aware of the necessary precautions Disconnect the machine from the mains power supply before accessing any internal parts The local safety standards in force must be applied in all cases Disposal of the instrument The controller is made up of metal and plastic components To dispose all of these components refer to the environment protection laws valid in your own country Carel code 030220306 rel 2 0 dated 29 06 01 3 Aria INTRODUCTION Aria is an electronic controller for the management of direct expansion air conditioning developed by Carel for the home and commercial markets It features a room terminal which communicates with a power board installed on the air conditioning unit itself With its accurately designed appearance it is ideal for the sector it is used in Another important feature of the product is its ease of use with a large LCD display and a highly intuitive user interface Furthermore unlike other existing products on the market the connection of the actuators is handled by an electronic board located directly on the machine electrical panel thus avoiding the need to lay large quantities of cables to the control itself The serial communication allows cabling reduction between the terminal and the po
67. idification during the night or in periods when the environment being climate controlled is unoccupied To do this use parameter H15 If H15 0 with the Night time or Unoccupied set point active dehumidification is not performed If H15 1 dehumidification is performed 5 2 5 2 Dehumidification stop temperature Dehumidification is in essence a cooling function that may lower the ambient temperature To prevent the temperature from decreasing too much a minimum temperature value is used to disable dehumidification This limit is Comfort Set Differential 0 5 C below this temperature value dehumidification is deactivated until the temperature reaches the Comfort set point The support heaters can be activated during dehumidification to increase the temperature for all types of active set point Comfort Night time or Unoccupied with dehumidification enabled the heaters are activated immediately below the Comfort set point in order to keep the temperature high The diagram below refers to the situation with the Night time or Unoccupied set point active and dehumidification active The white steps refer to the normal activation thresholds of the heaters based on temperature away from the set point due to the dead band while the grey steps indicate the activation of the heaters in the special case of dehumidification Carel code 030220306 rel 2 0 dated 29 06 01 22 Aria RR E OO Dehumidification in progress OR Heating after stop
68. if P2 1 serious alarm automatic autom when powering EE EEPROM alarm OFF OFF manual man when operating E SR Communication error automatic ON OFF E ST lar Ss oe tls we da e El probe B1 faulty or automatic ON ON disconnected error E2 probe B2 faulty or automatic ON ON disconnected error B3 probe faulty or automatic ON ON E3 disconnected error E DF Defrost cycle over automatic correct OFF OFF maximum time defrost performed or by pressing RESUME button Th F supply fan thermal cut off manual ON OFF alarm LOP low pressure alarm automatic or manual EE ON OFF action delayed by P9 P10 P11 PAL pool water flow switch manual pump TT ON OFF action delayed by H17 alarm water heat Tab 6 2 2 Key symbol C H R V meaning compressors humidifier heaters reverse cycle valve No action Carel code 030220306 rel 2 0 dated 29 06 01 40 Aria 7 PROGRAMMING See Programming the parameters for how to access the parameters 7 1 The table below gives the following information for each parameter e the code which appears on the display COD the type D U or F see Programming the parameters the operating range MIN MAX the unit of measurement used UNIT C degrees Centigrade F degrees Fahrenheit s seconds min minutes h hours Khrs thousands of hours rH relative humidity the minimum variation allowed VAR the default value DEF a brief description MEANING the visibility of the parame
69. in heating and cooling with the supply fan already on at minimum speed if the temperature continues to rise the fact of switching the supply fan to speed two at 66 and speed three at 100 of differential allows the temperature to be smoothly brought back within the set point This system has the following advantages e on minimum temperature variations the supply fan is started if it has not be set for continuous operation at minimum speed circulating the air in the environment overcoming any stratification of the air and providing a certain level of comfort e The compressor starts up at 50 of the differential and no longer at 100 thus accelerating the overall response of the machine to changes in ambient temperature e When the compressor is running there are two further supply fan steps which allow modulation of the refrigeration power both on increase and decrease of the temperature In practice the efficiency of the machine is optimised accordingly the variation of thermal load This logic is of course valid in heating cooling and automatic operating modes In addition the neutral zone function is still available if necessary when enabled the start up point of the compressor is moved away from the set point of the value of the neutral zone as for other operating modes The supply fan is driven using 3 contacts RL3 RL4 and RLS activating the different speeds in mutual exclusion Haux relative set point eee Dig eren
70. ired message is displayed Reversing cycle valve management This is controlled by the HEAT COOL AUTO setting on the terminal or by digital input ID1 in the heat pump units Heat heating mode valve de energized Cool cooling mode valve energized Auto the state of the valve depends on the value of the ambient temperature in respect to the set point The state of the valve is changed if required at the moment the actuators are activated Parameter H14 can be used to choose the logic of the relay dedicated to the reverse cycle valve When the unit is switched off or when the set point has been reached stopping the devices the valve remains in its existing position until the next request Heater management When the instrument is configured for 2 or 3 heaters SEQUENTIAL heater management is used The heaters are switched on off in sequence with a time interval parameter c8 between the activation of heater 1 always activated first heater 2 always activated second and heater 3 always activated third During shut down heater 3 if activated is switched off first then heater 2 and finally heater 1 Auxiliary heater management The auxiliary heater is activated if enabled by parameter R10 when the heat pump system is not able to maintain the desired temperature such as when the outside temperature is too low If this is an occasional occurrence the compressors may be left on otherwise they are shut down selected by parameter R11 still
71. irmed using the SET button when setting the code the right display shows the text Usr telling the user what branch they are in Fri ic Lude Fig 4 2 6 2 1 Proceed then as per the setting of the DIRECT parameters The USER parameters also comprise the DIRECT parameters The USER only parameters are signalled by the key symbol O LT LIL Fig 4 2 6 2 2 Pressing the MODE button during the modification of a parameter enables a DIRECT parameter to become a USER parameter and vice versa On displaying the parameter in question the key symbol will appear or disappear 4 2 5 3 Setting the FACTORY parameters configuration SET MODE buttons for more than 3 seconds These are the machine s configuration parameters They are protected by a separate code from the USER code to allow only specific persons to access the data First of all set the access code 177 using the and v buttons and confirm it using the SET button when setting the code the right display shows the text Fac telling the user what branch they are in Proceed as per the other parameters 4 2 5 4 Setting the default parameters SET RESUME buttons when powering the controller These are pressed before switching on the machine and held until the settings have been entered as signalled by the script dEF displayed for 5 seconds This operation allows the automatic setting of all the parameters contained in the Table 7 1 1 at their def
72. isabled disable compressor differential R29 U 32 122 op A 5 0 anti liquid hammer re enabled when the difference is less than or equal to R29 2 C 0 function disabled c COMPRESSORS HEATERS minimum on time cl U 0 300 60 C minimum off time c2 U 900 s 180 C minimum delay between 2 starts of same 0 900 360 compressor minimum delay between starts of the two 0 150 s 60 compressors hour counter compressor 1 c5 D 0 19 9 kh resolution 0 5 hours C gt 0 hour counter compressor 2 c6 D 0 19 9 kh 0 resolution 0 5 hours Col compressor operating hours maintenance E U 0 10 0 kh 01 0 no operating hours beyond which maintenance is requested C threshold O function disabled delay between heaters on speed of supply f interval between switching on heater 1 heater 2 and heater 3 fan c8 i 0 20 ii 1 10 and between speed 1 speed 2 speed 3 of the supply fan split R2on Fe U 0 80 1 3 delay between activation of actuators and supply fan HI 15 16 supply fan stop delay F2 U 0 80 15 delay between deactivation of actuators and supply fan H1 15 16 hour counter supply fan F3 D 0 9 9 kh 0 resolution 0 5 hours HI 15 16 F4 U 0 0 0 kh 04 0 no operating hours beyond which maintenance is requested O function disabled O function disabled 1 supply fan active even when the actuators are off F5 U 0 2 0 2 comfort management F6 0 80 s 10 delay between deactivation of actuators and external fan enable condensation function F7 0 3 0 0 disabled
73. ivation of the compressors It is deactivated when defrosting The external fan may be managed as desired simultaneously with the compressors or alternatively based on the outside temperature values The choice depends on parameter F7 If F7 1 2 or 3 the external fan is managed on the bases of temperature values on the external heat exchanger that determine its behaviour In cooling mode the fan is started together with the compressors for a time equal to F10 after this it starts and stops based on the outside temperature thresholds F8 and F9 when the outside temp gt F9 the fan starts when the outside temp lt F8 the fan stops In heating mode the external fan stops when the outside temp gt F11 and starts when the outside temp lt F12 the time F10 is not used in heating mode The parameter F7 allows selection between O fan starts with the compressors in both cooling and heating 1 fan starts based on the outside temperature in cooling starts with the compressors in heating 2 fan starts based on the outside temperature in heating starts with the compressors in cooling 3 fan starts based on the outside temperature in both cooling and heating Carel code 030220306 rel 2 0 dated 29 06 01 26 Aria COOL o F12 F11 T on the external heat exchanger ON F8 F9 HEAT OFF ee T on the external heat exchanger Humidifier management When the humidity probe is available on the terminal parameter S1 2 and t
74. lable 1 3 2 3 diff 2 Tamb Carel code 030220306 rel 2 0 dated 29 06 01 25 Aria HEAT COOL AUTO mode temperature and humidity control activated models with supply fan at single speed OFF not available 1 supply fan always on 2 3 not available auto the supply fan follows the operation of the actuators switching on and off together with these if set by parameter F5 In this mode you can also select a delay to start the supply fan after the actuators parameter F1 to allow the exchanger to reach the proper temperature before being ventilated and one to stop it parameter F2 still after the actuators to remove the energy from the exchangers and optimise the system models with supply fan provided with three speed rates split unit OFF not available 1 supply fan always on at speed 1 2 supply fan always on at speed 2 3 supply fan always on at speed 3 auto the supply fan follows the operation of the actuators and modulates its speed according to the variation of the ambient temperature from the current set point below the set point the supply fan either switches off or remains on at the minimum speed according to parameter F5 In this mode you can also select a delay to start the supply fan after the actuators parameter F1 to allow the exchanger to reach the proper temperature before being ventilated and one to stop it parameter F2 still after the actuators to remove the energy from the exchangers and optimise the sy
75. lue measured by probe B2 12 0 12 0 digital filter for input B1 S6 U 1 15 filter for analogue input stabilisation of the measurement temperature unit of measure S7 U 0 1 0 C 1 F U 0 1 O internal 1 external digital filter for input B2 S9 U 1 15 filter for analogue input stabilisation of the measurement digital filter for input B3 S10 U 1 15 filter for analogue input stabilisation of the measurement R CONTROL 10 0 38 0 pool temperature Set Point RI D 50 100 the value that the control of the water temperature is based on 1 0 10 0 pool temperature differential R2 D 34 50 5 i 1 0 10 0 temperature differential R3 D 34 50 0 0 10 0 temperature dead zone R4 D 32 50 Humidity set point RS D R16 R17 the current value that humidity control is based on humidity differential R6 D 2 20 enable dehumidification R7 U 0 1 2 0 0 50 0 relative Set Point for support heaters D 32 90 relates to the current Set Point i 1 0 22 0 support heater differential 34 39 support heaters present R10 U 0 compressors with support heaters RII U 0 0 0 50 0 R R12 122 enable anti freeze R14 U 0 start devices if Tamp lt P4 not used RIS H1 17 minimum limit for Humidity set point R16 U 0 R17 S122 Carel code 030220306 rel 2 0 dated 29 06 01 41 Aria
76. maintenance HR 1 alarm The unit of measure used for the display is in thousands of hours while the counter resolution is 0 5 hours c6 Hour counter compressor 2 Indicates the number of operating hours of compressor 2 During the display of the operating hours the simultaneous pressing of the front buttons soon after having pressed the SET button resets the counter and thus cancels the request for maintenance HR 2 alarm The unit of measure used for the display is in thousands of hours while the counter resolution is 0 5 hours 7 Compressor operating hours threshold Establishes the number of compressor operating hours beyond which the maintenance intervention messages HR 1 and HR 2 are activated The value c7 0 disables this function The unit of measure is thousands of hours c8 Delay between heaters activation and between supply fan speed variation Establishes the delay between the activation of the heaters in case there is a full load start up to reduce starting currents Such period represents also the delay of activation of the three speeds of the supply fan 7 2 4 Fans F parameters F1 Supply fan start up delay Establishes the delay between the activation of the actuators and that of the supply fan to allow the coils to reach the proper temperature before letting the air circulate across F2 Supply fan shut down delay Establishes the delay between the deactivation of the actuators and that of the supply fan in order t
77. me compressor 0 900 minimum time between starts of two compressors 0 150 i Cs interval between heaters on supply fan speed change 0 60 42 FI supply fan start delay 0 10 43 F2 supply fan stop delay 0 180 44 F5 supply fan always on 0 1 45 F6 external fan stop delay 0 180 46 di enable defrost 0 1 4T d2 type of end defrost 0 1 2 0 time 1 temperature 2 from ID3 48 d5 minimum start defrost time 10 120 49 d maximum defrost duration 1 900 50 d7 delay between two defrost requests 10 180 SI d8 support heaters in defrost 0 1 52 P1 enable buzzer 0 1 53 P2 type of alarm from digital input ID3 0 1 0 signal only 1 serious alarm 54 P5 delay for high low temperature humidity alarms 0 120 55 HI machine model 0 19 iiem ERR ERR 56 H2 function of the programmable output 0 1 2 3 4 5 0 humidifier 1 alarm 2 external fan 3 pool heater 4 operatine mode signal 5 7 Comfort mode signal 57 H3 function of digital input IDI 0 1 2 3 0 absent 1 remote cooling heating selection 2 alarm filter 3 fan thermal cut off alarm with th F signal 58 H4 function of digital input ID2 0 1 2 3 0 absent 1 remote ON OFF 2 water pump alarm with P AL signal 3 low pressare alarm with LO P signal 59 H5 function of digital input ID3 0 1 2 3 0 absent 1 general alarm 2 end defrost 3 remote ON OFF
78. n a certain time H17 after starting the pump the flow switch is not yet closed an alarm is generated with P AL blinking and the pool pump and heating functions are deactivated until the alarm is reset automatically For further information see the paragraph on Pool environment management If H4 3 digital input ID2 is used to manage the low pressure alarm this is an alarm with different delay times according to the operating mode P9 delay in cooling P10 delay in PdC P11 delay in defrost The effect is to shut down the compressors and the external fan if present and the text LO P blinks on the display The parameters P10 and P11 if set to 0 disable the alarm in the PdC and or defrost modes The alarm may not on the other hand be disabled in Cooling mode so that if P9 0 the alarm is immediate The reset may automatic manual or mixed as desired The selection is made using parameter P12 which has the following values 0 always automatic reset 1 always manual reset 2 5 number of automatic resets the following alarm is manual reset The count of the number of alarms generated refers to a period hour from the first alarm after this period the count is reset and starts from 0 again Mixed management allows the possibility to restart the unit in the event of an alarm avoiding service intervention unless strictly necessary ID3 General alarm end defrost Remote On Off digital input If H5 0 the input is disabled H5 1 The
79. nding differential as described for direct operation In case two stages for cooling are available the first one is engaged at 50 differential the second one at 100 The process can only occur if e the machine selected is a conventional one with cooling compressors and heating actuators heaters that is when parameter H1 has a value between 5 and 10 the process has been enabled parameter R7 1 the humidity probe is present parameter S1 2 e the temperature does not fall below the set point differential possible neutral zone 0 5 C priority is given to temperature regulation In such event the process of dehumidification is interrupted to allow the ambient temperature to return to the set point value following this the process of dehumidification may recommence If more two compressors are available and compressors rotation has been enabled the actuator to be activated by the dehumidification process is determined as described in the section about paragraph Output management and under the heading Compressor rotation In the event of cooling calls along with dehumidification requests the number of cooling stages energized will vary according the higher of the two requests Whenever in dehumidification process the symbol of ice will lit only if any of the heating actuators are not energized yet 5 2 5 1 Dehumidification in Night time or Unoccupied mode In order to save energy it may be useful to exclude dehum
80. nding parameters H3 H4 and H5 they may derive from pLAN network if enabled by parameter L5 ID1 Heating Cooling selection Filter Alarm fan thermal cut off alarm digital input If H3 0 the input is disabled If H3 1 the unit operating mode is forced to be heating or cooling this has priority over the commands sent by keypad open contact Cooling Summer operations closed contact Heating Winter operations If H3 2 it has the function of non serious alarm input signalling the need to change the fan filter open contact clogged filter alarm closed contact no alarm If H3 3 digital input ID1 may be used to control the supply fan thermal cut off alarm this is an immediate alarm showing Th F blinking and shuts down all the devices Manual reset Selecting the fan thermal cut off switch with H3 3 modifies the effect of the general alarm on ID3 if this is used as a serious alarm H5 1 and P2 1 With H3 3 H5 1 P2 1 if the alarm on ID3 goes off all devices are stopped except the supply fan li With H3 3 H5 1 P2 1 if the alarm on ID3 goes off all devices are stopped ID2 ON OFF water pump alarm low pressure alarm digital input If H4 0 the input is disabled If H4 1 and the contact is detected open Aria is switched off independently from the keypad commands If the contact is closed Aria is enabled and operates depending on the keypad commands If H4 2 digital input ID2 is used to connect a water flow switch if withi
81. ne using a hardware key CN TERMINAL REAR SHELL TO BE N LA i WALL MOUNTED O 0 i pn 0 o mm J o rN TB O O YY pio Oy Exe Figure 1 2 1 Figure 1 2 2 Figs 1 2 1 and 1 2 2 represent respectively the rear view of the terminal and the view of the rear shell Carel code 030220306 rel 2 0 dated 29 06 01 4 Aria The following areas of connection can be identified on the rear shell e T T for the connection of the power board e 24 V AVss B2 for the connection of a remoted Carel external active humidity probe 0 1Vdc output e AVss BI to remote the NTC temperature probe e Rx Tx GND Rx Tx for connecting the terminal to the Carel pLAN local network On the rear side of the terminal there are two further jumpers J1 and J2 which are used as follows e Jl positioned between 1 2 Carel NTC temperature probe B1 remoted externally positioned between 2 3 built in Carel NTC temperature probe B1 Note For correct operation do not connect the external temperature probe if the internal probe is used e J2 positioned between 1 2 probe 0 1 Vdc output B2 remoted externally positioned between 2 3 built in humidity probe B2 1 3 Power board for the control of stand alone air conditioning units code TABASES000 This board is installed inside the air conditioning unit electrical panel it is fitted wit
82. nected to a Carel pCO programmable control using the Carel pLAN local network pCO Local Area Network In this situation the terminal ARIA measures the temperature and the humidity of the zone sends the data via pLAN to the centralized machine s controller pCO or pCO2 which depending on the information received from the other zone terminals up to a maximum of 30 decides the operating logic and thus the temperature and humidity of the air to be introduced into the duct Each terminal is connected to triac power board code TAZONE0000 which manages the local zone damper with floating control in order to maintain the required ambient conditions WARNING before modifying parameter H1 and thus changing the type of application the machine should be switched OFF by keypad as the outputs will change their function immediately after each change of H1 2 1 Stand alone applications The list below describes the value of parameter H1 and the function of each relay for each application using the following abbreviations C1 C2 relay for the control of cooling stages no 1 and n0 2 V relay for the control of the reverse cycle valve RI R2 R3 relay for the control of heating stages no 1 2 and 3 RI R2 R3 relay for the control of heating stages no 1 2 and 3 Rlaux R2aux relay for the control of auxiliary heater 1 auxiliary heater 2 F1 F2 F3 relay for the control of the supply fan at speed 1 speed 2 speed 3 OP programmable
83. nected to terminals B1 AVss WARNING to use the external probe for regulation set jumper J1 on the terminal to position 1 2 S9 Digital input filter probe B2 Sets the coefficient used in the digital filtering of the value measured and the maximum variation which can be measured by the probes on the terminal in a regulation program cycle High values for this parameter allow the elimination of any noise at the analogue inputs yet diminish the reaction time of the measurement S10 Digital input filter probe B3 Sets the coefficient used in the digital filtering of the value measured and the maximum variation which can be measured by the probes on the terminal in a regulation program cycle High values for this parameter allow the elimination of any noise at the analogue inputs yet diminish the reaction time of the measurement 7 2 2 Regulation set up R parameters R1 Pool water temperature set point Allows the current temperature set point to be set to control the temperature of the pool water with H1 17 The minimum variation is of 0 5 C or 1 F according to S7 parameter R2 Pool water temperature differential Allows the differential to be set to control the temperature of the pool water with H1 17 The minimum variation is 0 5 C or 1 F depending on parameter S7 R3 Differential Allows the temperature differential to be set to control temperature see chapter no 5 The minimum variation is of 0 5 C or 1 F accordin
84. non condensing storage temperature 10T65 C 90 RH non condensing operating humidity R H 20 90 storage humidity R H 0 90 surface temperature limits as per operating temperature mounting in the electrical panel index of protection open board taken care of by the installer Tab 9 2 1 Avoid installation near power cables using shielded cables if possible In such a case connect the shield to terminal GO reference for the power supply leaving the other end free Carel code 030220306 rel 2 0 dated 29 06 01 52 Aria 9 3 Triac power board for multi zone applications power supply 24Vac 10 15 at 50 60Hz protected by external 1 AT fuse minimum electrical power required VA 12 connection to terminal using a bipolar cable with section from 0 5 to 1 5mm depending on the length of the connection from 0 to 50m sec min 0 5mm from 50 to 150m sec min Imm maximum distance from terminal m 150 analogue inputs 1 for NTC Carel probe field of measurement 40 C 80 C resolution 0 5 C 1 F accuracy 1 C 2 F between 0 C and 50 C 1 5 C 3 F between 40 C and 0 C and between 50 C and 80 C digital outputs 2 x 24 Vac triac outputs 8VA max action disconnection type for each individual 1C circuit Tab 9 3 1 Avoid installation near power cables using shielded cables if possible In such a case connect the shield to terminal GO reference for
85. nsation Free cooling and Free heating can be enabled Probe B2 can be used to measure the humidity Carel code 030220306 rel 2 0 dated 29 06 01 24 Aria 5 2 9 Output management Compressor management When powering the controller the compressor s are activated after an initial delay set by parameter R21 During the normal operation the optimisation of the starting is managed using an intelligent activation program as follows e when a compressor is activated it is not shut down within a minimum running period parameter c1 e once the compressor has been shut down it is not re activated within a minimum stop period parameter c2 e a set time interval must elapse between two successive start ups of the same compressor parameter c3 the second compressor if present may only be started after a set interval parameter c4 from the starting of the first compressor e when there are 2 compressors compressor rotation is enabled if parameter R18 is set to 1 Compressor rotation Compressor rotation is a system which controls compressor activation in such a way as to equalise their operating times The operating logic when 2 compressors are activated is that the first to be started stopped is the first to be stopped started When just one compressor is activated in a system with 2 compressors this is done by alternating the compressors used After a certain operating period set by parameter c7 the compressor maintenance requ
86. o remove the remaining heat in the coils F3 Hour counter supply fan Indicates the number of fan operating hours During the display of the operating hours the simultaneous pressing of the front buttons soon after having pressed the SET button resets the counter and thus cancels the request for maintenance alarm HR F The unit of measure used for the display is in thousands of hours while the counter resolution is 0 5 hours F4 Supply fan operating hours threshold Establishes the number of fan operating hours beyond which the maintenance intervention message HR F is activated The value F4 0 disables this function F5 Supply fan operating with actuators deactivated With F5 0 the supply fan follows the functioning of the actuators apart from the delays set using parameters F1 and F2 With F5 1 the fan remains on also when the actuators are deactivated With F5 2 the supply fan follows the behaviour of the actuators xo 2 with night time setpoint d or unoccupied setpoint BM whereas it is always ON with Comfrot setpoint fa F6 External fan shut down delay Establishes the delay between the deactivation of the compressors and the fan on the condensing coil F7 Operation of the external fan Depending on the setting of F7 the external fan may operate in the following modes F7 0 together with the compressors F7 1 together with the compressors in heating based on the external heater temp in cooling F7 2 together with the compre
87. onds to the effective start up temperature of the devices in the current situation For example in cooling operation with Comfort Set 21 0 C Night time Set 4 0 C active and a compensation of 2 0 C the effective start up point of the compressors is 27 0 C that is the value displayed by R SP This may be useful in the test phase The firmware version is displayed by holding the arrow buttons for more than 3 seconds Carel code 030220306 rel 2 0 dated 29 06 01 17 Aria 5 OPERATION 5 1 General The term SET POINT refers to the point which sets the position of the control s working range within the interval of measurement of the value being regulated The set point thus identifies the regulation value temperature or humidity that the control aims to maintain The term DIFFERENTIAL on the other hand refers to the value assigned to the control s working range Thus choosing a narrow differential means that the control will operate very close to the set point with minimum variance from the set value yet this also means an increase in the number of interventions of the control thus reducing the life span of the system s components Vice versa choosing a differential which is too wide while providing system stability means that the values reached during regulation may vary greatly from the set point The terms DIRECT and REVERSE indicate the two types of regulation logic for the device The control uses direct logic when
88. only both enabled and in addition with or without compressors The with or without compressors option indicates that the compressors can or cannot start during free Carel code 030220306 rel 2 0 dated 29 06 01 23 Aria cooling free heating In any case if the outside temperature conditions are not favourable the free cooling and free heating functions are not activated and the compressors start normally The outside temperature is favourable for the activation of Free cooling if Outside air temp lt Ambient temp R28 The outside temperature is favourable for the activation of Free heating if Outside air temp gt Ambient temp R28 R28 defines the minimum differential between the outside and inside temperature The following diagrams explain this type of operation Diagram of free cooling and free heating operation without compressors R27 1 2 3 it is assumed that the outside conditions are favourable As can be seen the damper modulates across the entire amplitude of the temperature differential R3 completely replacing the compressors 100 Free heating Free cooling 100 Ambient temp Setpoint Diagram of free cooling and free heating operation with compressors R27 5 6 7 it is assumed that the outside conditions are favourable As can be seen the damper modulates across the entire amplitude of the temperature differential but if the ambient temperature increases or decreases to a value of 2 R3 above o
89. ons not illuminated H12 1 buttons 50 illuminated H13 Enable clock Enables the presence of the and if this is built in to the instrument H13 1 or if it comes from the Carel pLAN local network H13 2 In fact in case there is a multi zone application the clock management must be centralized on the pCO the connected Aria will not have the clock option WARNING turn the machine off and on again after changing this parameter H14 Valve logic This sets the logic of the cycle reversing relay H14 0 means that the relay is open in heating and closed in cooling H14 1 means that the relay is closed in heating and open in cooling H15 Dehumidification in Unoccupied and Night time mode This parameter can be used to exclude the dehumidification function in the Unoccupied and Night time modes H15 is valid if the dehumidification function has been enabled by parameter r7 H16 Enable set point compensation When H16 1 the compensation of the temperature set point is enabled and the system respects the parameters R23 R24 R25 and R26 Carel code 030220306 rel 2 0 dated 29 06 01 49 Aria H17 Pump flow switch alarm delay This is the delay referred to the acquisition of the pool water flow switch alarm on digital input no 2 Note that this alarm can only be used when H1 17 H18 Pump operation Three different operating modes are available for the pool water pump H18 0 the pump is on when the water heaters are on H18 1 the pump i
90. output via parameter H2 NU Not Used ALL relay for alarm signalling ES Free cooling or Free heating damper opening relay ES Free cooling or Free heating damper closing relay P water pool pump Rp pool water heating element The OP programmable output has the following functions depending on the value of parameter H2 H2 OP Humidifier control L Alarm signal 2 Control of Fan on external heat exchanger 3 optional heaters for heating the pool water 4 _ Functioning mode remote signal heating or cooling 5 Comfort set point active signal Tab 2 1 1 The relays can be identified by referring to the numbering in Fig 1 3 1 Relays and 2 have normally open NO and normally closed NC contacts while relays from 3 to 7 only have normally open contacts In the 5 relay model relays 6 and 7 are not present 2 1 1 Heating only H1 RL7 RL6 RLS RL4 RL3 RL2 RLI 1 stage heating 0 Es ES RI NU F1 OP ALL 2 stage heating 1 ES Es RI R2 F1 OP ALL 3 stage heating 2 Es Es R1 R Fi R OP Tab 2 1 1 1 2 1 2 Cooling only RL RLS efits ra RL5 ee npe RU R2 RLI 1 stage cooling FI ne 2 stage cooling 2s rari gt Fl a OP ALL Tab 2 1 2 1 Carel code 030220306 rel 2 0 dated 29 06 01 7 Aria 2 1 3 Conventional H1 RL7 RL6 RL5 RIA RL3
91. ow pressure in the refrigerant fluid PAL pool water flow switch alarm Digital input ID2 has signalled the absence of water flow in the pool Table 6 2 1 HR 1 HR2 Compressor 1 and 2 maintenance alarm When the number of operating hours of a compressor exceeds the maintenance threshold set by parameter c7 default c7 0 and thus this signal is disabled the maintenance required message HR 1 or HR 2 is visualised The buzzer and the alarm relay are not energized To reset this alarm the operating hour counter must be set to zero enter parameter programming mode DIRECT by pressing the SET and HOLD buttons display the hour counter in question parameter c5 or c6 press once SET button to enter the field and then the front buttons at the same time HR F Supply fan maintenance alarm When the number of operating hours of the supply fan exceeds the maintenance threshold set by parameter F4 default F4 0 and thus this signal is disabled the maintenance required message HR F is visualised The buzzer and the alarm relay are not energized To reset this alarm the operating hour counter must be set to zero enter parameter programming mode by pressing the SET and HOLD buttons display the hour counter in question parameter F3 press one SET button to enter the field and then the front buttons at the same time HIT High temperature alarm When the temperature measured by probe B1 rises above the value specified by the parameter P3 for a period lon
92. pe heating This coefficient establishes the exact value by which the set point decreases for each degree less in the outside temperature The value is calculated as follows Original Set R3 4 C T outside R24 If T outside gt Original Set R3 4 C there is no compensation When R24 0 there is also no compensation R25 Maximum value to decrease set point by for compensation Maximum value that the set point can be decreased by due to the compensation When reaching this maximum decrease value the compensation function no longer has effect R26 Maximum value to increase set point by for compensation Maximum value that the set point can be increased by due to the compensation When reaching this maximum increase value the compensation function no longer has effect R27 Enable Free cooling and Free heating This parameter is used to enable the Free cooling and Free heating functions individually or together R28 Differential for Free cooling Free heating activation This is the minimum allowed difference between the inside and outside temperature for the Free cooling or Free heating functions to be activated Free cooling can be enabled when the following is true Outside Temp lt Inside Temp R28 Free heating on the other hand can be enabled when Outside Temp gt Inside Temp R28 R29 Differential for Free cooling Free heating deactivation This is the maximum allowed difference between the inside and outside
93. performed even if d7 has not elapsed V variation of d7 for intelligent defrost d12 U 0 36 min 2 intelligent defrost variation of the interval between defrosts 0 disabled V dl manual defrost d13 F 0 1 1 0 1 force defrost after the which the parameter is set to zero V dl P ALARMS enable buzzer Pl U 0 15 min 1 O disabled 1 14 active for 1 14 min 15 always active OPT type of alarm from digital input ID3 P2 0 1 0 O signal only 1 serious alarm P441 150 C 0 5 40 0 nsn temperature alarm threshold P3 P442 302 oF 104 0 P3 1 C 0 5 10 0 low temperature alarm threshold P4 U 32 P3 2 oF 50 delay in high and low temp humid alarm PS U 0 120 min 10 delay in alarm from input ID3 P6 U 0 600 s 5 delay in the activation of the alarm after the opening of ID3 max Carel code 030220306 rel 2 0 dated 29 06 01 42 parameter code type min unit var def meaning visibility Aria low humidity alarm threshold P7 U 0 P8 rH 1 30 LO H signal S1 2 high humidity alarm threshold P8 U P7 100 rH 1 80 HI H signal S1 2 delay low P alarm on ID2 in Cooling P9 U 0 900 s 1 360 delay low P alarm on ID2 in PdC P10 U 0 900 s 360 delay low P alarm on ID2 in defrost Pll U 0 900 s 360 type of reset low P alarm on ID2 P12 U 0 5 I 1 O automatic 1 manual 2 5 numbe
94. r below the set point the compressors will start External Temperature 100 Free heating Free cooling 100 R3 R3 R3 R3 Ambient temp Setpoint To prevent the introduction of outside air when the temperature differs too much from the ambient temperature there is a maximum value for the difference between the two that if exceeded disables the free cooling and free heating functions parameter R29 the functions are reset when the outside temperature is at least 2 C within the limit R29 N B For the correct use of the external probe see the ph 5 2 8 Using probes B2 and B3 5 2 8 Using probes B2 and B3 Three probes can be connected to ARIA two NTC temperature probes B1 and B3 and one active humidity or temperature probe B2 The first NTC probe B1 is designed to measure the ambient air temperature The use of probes B2 and B3 changes automatically according to the functions chosen ACTIVE DEFROSTS d1 1 ON UNIT PDC AND OR ACTIVE CONDENSATION F7 different from 0 Probe B3 is used for the defrost function and or to manage the condensation Probe B2 is used to measure the humidity if S1 2 Compensation Free cooling and Free heating can not be enabled Probe B2 can be used as the outside temperature measurement if S1 1 in this case the Compensation Free cooling and Free heating functions can be enabled NEITHER ACTIVE DEFROSTS OR CONDENSATION Probe B3 may be used as the outside temperature measurement Compe
95. r of automatic resets within 1 hour from the first alarm then manual reset H OTHERS machine model H1 F 0 19 9 O humidifier control 1 Alarm 2 external fan control 3 pool heater programmable output u E 0 3 2 4 operating mode signal heating cooling 5ZCOMFORT mode signal function of digital input ID1 H3 U 0 3 0 O absent 1 remote cooling heating selection 2 alarm filter 3 fan thermal cut off alarm with th F signal function of digital input ID2 H4 U 0 3 0 O absent 1 Remote ONDE 2 Water pump alarm with P AL signal 3 low pressure alarm with LO P signal function of digital input ID3 H5 U 0 1 O absent 1 general alarm 2 end defrost 3 Remote ON OFF lock keypad H6 U 0 O disabled 1 enabled select display on LCD H7 U 0 1 0 probe B2 1 current Set point 2 probe B3 on power board CLK Set Point override time H8 U 0 24 h 3 Set Point override time 0 disabled H1 15 time format 12 24 hours H9 D 0 0 0 24 hours 1 12 hours H1 15 H1 16 LCD contrast H10 U 25 25 0 enable button click H11 D 0 1 0 disabled 1 enabled OPT back lit front panel buttons at rest HI2 D 0 1 0 OFF 1 lit at 50 OPT enable clock H13 U 0 2 1 O disabled 1 local 2 remote from pLAN reverse cycle valve logic H14 U 0 1 0 O valve active with relay energised 1 opposite logic V enable dehumidify function in unoccupied or U 0 1 O dehumidification disabled for unoccupied or night time modes 1 normal night time mode operation enable se
96. remote control 2 percentage of damper opening 3 udis sek point humidity set ns sa wand in parameter 4 local clock HOURS local clock HOURS 5 local clock MINUTES local clock MINUTES 6 local clock DAY local clock DAY 7 manual operating mode manual operating mode AUTO COOL HEAT FAN ONLY AUTO COOL HEAT FAN ONLY 8 fan operating mode fan operating mode OFF AUTO SPD1 SPD2 SPD3 OFF AUTO SPD1 SPD2 SPD3 9 alarms 0 10 alarms 2 11 machine status flag 12 status outputs for remote control 13 remote probe alarm set point category set point category in manual operation 14 UNOCCUPIED COMFORT NIGHT TIME UNOCCUPIED COMFORT NIGHT TIME STAND BY STAND BY 15 automatic operating modes AUTO COOL HEAT FAN ONLY PARAMETERS 21 SI type of probe B2 0 1 2 0 absent 1 0 1 Vdc temperature 2 0 1 Vdc humidity 22 S8 select source for probe B1 0 1 0 internal 1 external 23 S6 digital filter for input B1 1 15 24 S9 digital filter for input B2 1 15 25 S10 digital filter for input B3 1 15 26 R19 type of control P PI 0 P 1 P I 27 R20 integration constant for PI algorithm 20 999 28 R21 control delay 0 600 29 H3 function of digital input IDI 0 1 2 3 0 absent 1 remote cooling heating selection 2 filter alarm 3 fan thermal cut off alarm with th F signal 30 H4 function of digital input ID2 0 1 2 3 0 absent 1 remote ON OFF 2 water pump
97. s always on H18 2 the pump is always on in Comfort mode while in Unoccupied and Night time mode it is on when the heaters are on 7 2 8 pLAN communication L parameters L1 pLAN serial address Establishes the Aria address or for serial connection to a Carel pCO or pCO controller or for connection to a supervisor via RS485 line WARNING turn the machine off and on again after changing this parameter L2 pLAN destination address Establishes the address of the Carel pCO control to which the variables are sent via pLAN network If L2 0 the sending of the variables is disabled L3 pLAN page Represents the page of memory of the Carel pCO to which the variables are written The pages contain 256 bytes each For example L3 181 0xB5 indicates the pages from 0xB500 to 0xBSFF L4 Damper running time Represents the time taken by the damper to move from being completely closed to completely open For correct regulation this parameter must be set with care as the control calculates the position of the damper based on the activation time of the closing and opening commands The time L4 is valid both for the damper in Stand Alone mode that is using power board TAZONE0000 and for the damper in Free cooling and Free heating L5 Source selection Each of the 8 bits of this parameter has a precise meaning It allows the origin local bit 0 or from pLAN bit 1 of a number of variables to be selected bit 0 probe B1 bit
98. set value elapses parameter H8 the controller will then return to the previous operating mode time bands During the modification phase the display shows the temperature set point on the large display in the top left in the place of the measured temperature if this is not already displayed on the small display in the top right this function can be selected using parameter H7 Modifications are acknowledged by the controller 5 seconds after releasing the buttons when the related symbol stops blinking 4 2 3 Selecting the machine s operating mode MODE button Aria allows different operating modes of the air handling unit described below e OFF the thermostat does not perform any control however it prevents the temperature from dropping below the safety low limit see paragraph 4 2 4 1 e COOL the thermostat controls cooling only HEAT the thermostat controls heating only AUTO heating and cooling control automatic The system switches from one function to the other depending on the value of the ambient temperature in respect to the set point e FAN ventilation only you select the operating mode of the supply fan among 1 2 3 AUTO and OFF by means of the FAN button If you press the MODE button in the time band operating mode it displays the current operating mode for 5 seconds indicated by the corresponding blinking writing in the place of the clock In the manual operating mode instead the operating mode is al
99. ssors in cooling based on the outside temp in heating F7 3 always based on the external heater temperature F8 External fan stop temperature in Cooling Valid when F7 1 or 3 This is the temperature value on the external heater below which the external fan is stopped F9 External fan start temperature in Cooling Valid when F7 1 or 3 This is the temperature value on the external heater above which the external fan is started F10 Minimum external fan On time in Cooling Valid when F7 1 or 3 In cooling when the compressors start the external fan remains on for the time set by F10 even if the external heater temperature is less than F9 once the time F10 has elapsed the fan must respect parameters F and F9 F11 External fan stop temperature in Heating Valid when F7 2 or 3 This is the temperature value on the external heater above which the external fan is stopped F12 External fan start temperature in Heating Valid when F7 2 or 3 This is the temperature value on the external heater below which the external fan is started F13 Fan delay after defrosts If the defrosts do not feature the use of support heaters d8 0 or alternatively the unit is not fitted with support heaters the supply fan remains off during defrosts At the end of the defrosts when the compressors are started again to satisfy the ambient heating request the starting of the fan should be delayed by the time F13 to avoid sending cold air into the room Carel cod
100. start sequence is the following defrost request stop compressors wait time d9 reversing valve wait time d10 compressor starts and defrost is performed DAP poor The end defrost sequence is the following 1 end defrost reached 2 stop compressors 3 wait time d9 4 reversing valve 5 wait time d10 6 compressor starts if required by the system If one of the two times d9 or d10 is equal to 0 the compressor is not stopped at the start or at the end 5 2 4 4 Supply fan activation delay after defrost If a defrost is performed without the support heaters d8 0 the supply fan remains off To prevent the fan from starting immediately at the end of the defrost sending cold air into the room this can be delayed from the start of the compressors by a time set using parameter F13 5 2 4 5 Smart defrost cycles The minimum time that must elapse between two defrosts d7 can be automatically decreased if the defrost requests are so frequent that the time d7 is considered too high The time d7 is decreased if two successive defrosts are started when the time d7 has already elapsed that is were already requested by the system before the time elapsed but were waiting for the start signal From this moment on the time d7 is further decreased for each defrost that starts when the time has already elapsed Vice versa d7 after having been decreased is increased a little at a time if the defrosts do not start so frequently that is ar
101. stem After a certain operating period of the supply fan set by parameter F4 the replace supply fan filter message is displayed Fan Comfort management With the parameter F5 2 the fan remains always ON with comfort setpoint and works automatically that is to say in accordance with the devices with the night time setpoint and unoccupied setpoint when Aria is OFF it is OFF This is a normal management in some worldwide countries Anti stratification To avoid the stratification of the air and the consequent risk of having different temperature zones in the same environment it may be useful to activate the supply fan after a maximum inactivity time In fact if the fan is operating in Auto mode it must start together with the devices yet in particularly stable environments where the temperature varies slowly the devices may also remain off for an extended period and as a consequence the fan is not started The anti stratification function works based on two parameters a maximum fan inactivity time F7 calculated only when the unit is on and the forced start up time F8 Setting one of the two parameters to zero automatically disables anti stratification Management of the Fan on the external heat exchanger By selecting parameter H2 2 it is possible to use the OP output to control one external fan in heat pump units The external fan is activated together with the compressors and deactivated after a set time parameter F6 from the deact
102. t is based on the unit s operating mode the system waits a delay time and then the code LO P appears the buzzer is activated and the compressors and the external fan are stopped The alarm is manual or automatic reset depending on parameter P12 See paragraph 5 6 P AL Alarm pool water flow switch When the input ID2 with H4 2 does not close within the maximum time H17 after starting the pump the code P AL appears the buzzer is activated and the pump and the water heaters are switched off The alarm is manual reset See paragraph on Pool environment management Carel code 030220306 rel 2 0 dated 29 06 01 39 The following table summarizes the effect of the alarms and how to reset them Aria Displayed message Meaning Reset Supply Condens Buzzer Alarm NOTES fan er fan relay HR 1 HR2 Hour counters C1 C2 when resetting the OFF OFF HR F supply fan hour counter HIH high low humidity manual OFF OFF action delayed by P5 LOH HIT High low ambient manual ON OFF delayed by PS LOT temperature Generic alarm detected by automatic OFF if P2 0 delay P6 E ID digital input ID3 ON manual OFF OFF in OFF ON absence if P2 1 serious of fan alarm delay P6 thermal cut off EFL Filter alarm detected by automatic OFF OFF digital input IDI automatic OFF if P2 0 REM Alarm from pLAN ON manual OFF OFF OFF ON _
103. t point compensation H16 U 0 1 0 1 set point compensation enabled delay in pump alarm from input ID2 H17 U 0 600 s 10 delay in accepting the opening of ID2 F 0 On Demand 1 Continuous in all modes 2 Continuous in Comfort amp On pump operation configuration H18 U 0 2 0 B Demand in the other modes L pLAN pLaN serial address LI U 1 an 2 address of pLAN Aria controller supervisor pLAN destination address 1 2 U 0 31 1 1 address of the device the variables are sent to 0 send disabled pLAN page 5 U 0 255 181 page of 256 bytes for writing variables to the pCO or pCO damper stroke time LA U 1 900 damper opening or closing time used both for stand alone and per free cooling free heating select source LS U 0 255 0 bit 0 1 2 3 4 5 6 7 B1 B2 B3 NU ID1 ID2 ID3 Set Point category val 0 local 1 from pLAN 0 no protocol 1 supervisor protocol 2 pLAN protocol 3 no protocol type of protocol U 0 6 0 4 no protocol no I O board 5 supervisor protocol no I O board 6 pLAN protocol no I O board U 0 3 0 1200 baud 1 2400 baud 2 4800 baud 3 9600 baud key symbol gt lt f meaning greater than less than not equal to oppure 7 2 Description of the parameters 7 2 1 Probe set up S parameters S1 B2 probe type Indicates the type of probe connected to terminals B2 AVss of the terminal There may be no probe S1 0 an active probe with 0 1Vdc output for measuring the t
104. temperature for the Free cooling or Free heating functions to be activated Free cooling can be enabled when the following is true Outside Temp gt Inside Temp R29 Free heating on the other hand can be enabled when Outside Temp lt Inside Temp R29 7 2 3 Compressor and heater activity c parameters cl Minimum running time Sets the time which the compressor must remain ON after start up even if it is not effectively requested c2 Minimum off time Sets the time which the compressor must remain OFF after being switched off even if its start up is effectively requested During this phase the ice or flame symbols on the heat pump model flash c3 Minimum time between two start ups of the same compressor Sets the minimum time which must elapse between two successive start ups of the same compressor If this time interval occurs during this phase the ice or flame symbols on the heat pump model flash c4 Minimum time between the start up of the two compressors Establishes the start up delay between the two compressors in order to reduce current absorption in case there is a simultaneous request Carel code 030220306 rel 2 0 dated 29 06 01 45 Aria c5 Hour counter compressor 1 Indicates the number of operating hours of compressor During the display of the operating hours the simultaneous pressing of the front buttons soon after having pressed the SET button resets the counter and thus cancels the request for
105. tenance or replacement e the cables for connection to the power board must be kept separate from other cables using an individual raceway and possibly shielded cables In such a case connect the cable braid to terminal GO reference for the 24Vac power supply leave the other side of the braid free The maximum length allowed is 150m according to the section of the cable as per table 3 1 1 e when making the connection to the power board special attention must be paid to the polarity the T pin on the terminal side must be connected to the T pin on the power board similarly for the T pin however in case the cables are connected in the opposite order the instrument will not be damaged For the multi zone power board TAZONE0000 follow the same correct installation procedure for the relay power board Carel code 030220306 rel 2 0 dated 29 06 01 10 Aria 3 4 Connection diagrams for zone control applications The triac power card is to be installed on a omega DIN rail Connect the cards as follows M 24 Vac dc ID COM 4 ID3 ID2 IDI O DO DO O o e Of wan Sonda NTC di regolazione remota NTC probe for remote regulation out c olo o G 220 22 Sonda 0 1 Vdc PADE 0 1Vac probe 24 Vac Line a we 7 T T Figure 3 4 1 For a detailed description of the pLAN local network usage refer to the r
106. ter VISIBILITY List of parameters The visibility of the parameter determines if a parameter is visible during the programming mode this may depend on the values of other parameters or on the configuration of the machine specifically C indicates machines with at least 1 compressor C2 indicates machines with 2 compressors F2 indicates machines with at least two speed supply fans V indicates machines with reversing cycle valve heat pump CLK indicates machines with real time clock OPT indicates machines fitted with back lit LCD buzzer and B2 probe 7 1 1 Table of parameters For a more detailed description of the meanings see Description of the parameters parameter code type min max unit var def meaning visibility S PROBES type of second probe B2 SI F 0 2 0 O absent 1 0 1Vdc temperature 2 0 1 Vdc humidity 150 C min value of second probe B2 S2 F 238 S3 F 32 temperature humidity value corresponding to 0Vdc 150 150 max value of second probe B2 S3 F S2 302 F 212 temperature humidity value corresponding to 1 Vdc 150 rH calibration control probe B1 s4 U 12 0 12 0 constant value to add subtract to from the value measured by the 10 54 _temperature control probe 12 0 12 0 calibration probe B2 S5 U 10 54 constant value to add subtract to from the va
107. terminal see Fig 1 2 1 Finally close the instrument moving the front panel onto the rear shell with a hinge movement in the opposite way as us ed for opening First the long side of the front panel near the display is snapped onto the rear shell then the opposite side being careful that the terminal pins slide into their corresponding female terminals Vista inferiore Lower view Figure 3 1 1 Carel code 030220306 rel 2 0 dated 29 06 01 9 3 2 Connection diagrams for stand alone applications In Fig 3 2 1 is shown the connection diagram for stand alone type applications Sonda NTC di regolazione remota NTC probe for remote regulation Line i nr san 1D cou Ld O __ E S de IS IVO NO AVO S De S N Aria O SSS SSS SSS ISSSISS SSSSS Sonda su scambiatore out esterno G Probe on Sonda 0 1 Vdc external 24 VacNde exchanger O 0 1Vdc probe stand alone Figure 3 4 1 3 3 Installation of the relay power board STAND ALONE system and multi zone power board The power board may be installed on the electric panel of the air conditioning unit to be controlled Its dimensions DIN standard compatible allow installation on omega r
108. th modified and read with the same variable The range of values allowed is indicated in brackets when there are no numeric indications or references to other parameters the first identifier has a value of zero and the successive ones in the list have values in increasing order example OFF AUTO SPD1 SPD2 SPD3 means 0 1 2 3 4 Some data is visible both as variables and as parameters if accessing a set point as a parameter rather than as a variable the modification will NOT be accepted therefore for display only use the parameter to modify it use the variable Carel code 030220306 rel 2 0 dated 29 06 01 33 VARIABLES 1 Aria DIGITAL f R W ID1 if enabled ID2 if enabled ID3 if enabled 4 reset alarms 5 reset hardware 6 S send forced parameters 7 output status set by remote 8 buzzer status 0 mute 1 active force buzzer 9 control status 0 stand by 1 active 10 remote alarm remote alarm not activated in OFF 11 ID1 from remote 12 ID2 from remote 13 ID3 from remote 14 manual defrost 15 force ON simulates the MODE button 16 alarm status 0 no alarm 1 alarms present ANALOGUE VARIABLES R W 1 probe B1 2 probe B2 3 probe B3 4 current temperature set point current temperature set point 5 BRI
109. the 7 days of the week When programming the time bands these are indicated respectively by the letters t1 t2 t3 t4 t5 t6 on the small display in the top right When selecting one of the symbols that is comfort night time or unoccupied for a time band the unit will maintain the set temperature value throughout the interval of time in question If selecting the Standby symbol for a time band the unit will switch off throughout the interval of time in question If a set point category symbol comfort night time unoccupied has then been selected for the following time band the unit will automatically switch back on When a Standby time band is active if the unit has not already been switched off using the Mode button the Standby symbol will blink Digital input ID3 if used as a serious alarm does not have any effect if Aria is OFF either due to the time bands or using the Mode button The unit can be temporarily activated during a Standby time band by pressing the Hold button see par 4 2 8 1 Pressing Resume returns to the Standby time band see par 4 2 8 2 4 2 7 3 Setting the time bands CLOCK button more than 3 seconds The time bands refer only to temperature and not humidity regulation which is always based on the same set point The choice among the symbols is always highlighted by having the currently selected symbol flash and leaving the other symbols constantly on and v are used to change the selection making
110. the controlled measurement e g temperature or humidity tends to increase aiming to reach the desired value set point e g cooling dehumidification it uses reverse logic when the controlled measurement tends to decrease aiming again to reach the desired value set point e g heating humidification Automatic AUTO operation refers to when the device works in both direct or reverse logic according to the value of the controlled measurement in respect to the set point The regulation set point for the Aria control is a lateral band type that is the band identified by the differential is aside the set point graphically on the right or on the left of the set point if we are respectively cooling or heating Normally the actuators are deactivated when the value of the controlled measurement is equal to the set point For temperature regulation it is however possible to define a zone centred around the set point called the Neutral zone see Fig 5 1 1 inside of which the actuators are already deactivated This type of regulation is proportional The stand alone version can also perform Proportional Integral regulation selected by parameter R19 Haux relative set point Hapx Diff Differential Differential Haux ON CI ON C1 ON temperature Haux OFF Set point Neutral zone N eta zone Figure 5 1 1 5 20 Stand alone version 5 2 1 Proportional regulation algorithm For the models
111. the next symbol in the sequence flash To confirm the selection and pass to the following field use the CLOCK button To set a program after having pressed the CLOCK button for more than 3 seconds the following steps must be performed e set the program start day set the start hour and minutes for the first band set the temperature set point category for the band after programming the band the symbols to continue lt l and end gt appear accompanied by the words cont and end cont scrolls cyclically to the other bands setting the start hours and minutes for the second band and so on the current band ends when the successive one starts end stops the programming for that day thus cancelling any unprogrammed bands e after end or after having programmed the final band for the current day the day of the week programmed flashes followed by the word copy Use and v to scroll to the other days which flash in turn confirming the day using the CLOCK button thus extending same program to the selected days The symbols cont flashing and end and the script cont and memo appear on the alphanumeric field e use memo to exit from programming mode and enable time band operation If there are days which have not been set these continue to use the previous program On pressing the RESUME button on the other hand or after 1 minute of inactivity the modifications entered are lost
112. the power supply leaving the other end free digital inputs 3 optically isolated 24Vac Vdc inputs The 24Vac Vdc power supply of the inputs must be different from that of the board to allow true optical isolation lead cross section mm min 0 5 max 2 5 operating temperature OT60 C 90 UR non condensing storage temperature 20T70 C 90 UR non condensing surface temperature limits as per operating temperature mounting DIN rail index of protection IP40 Tab 10 3 2 9 4 Common characteristics for components indicated above classification regarding protection against electrical shock to be integrated into class I and or II devices period of electrical stress across the insulating parts degree of environmental pollution maintenance operators protection against voltage surges software class and structure control device with class A software Tab 10 4 2 9 5 Protection against electric shock The system made up of power board plus terminal constitutes a control device to be integrated as part of a machine The class of protection against electrical shock thus depends on how the control device is integrated into the machine by its manufacturer The power board features extra insulation between the low voltage parts and the area of connection of the digital outputs as well as primary insulation between the various digital output connections A Class II machine can thus be con
113. tial Differen j al i o 50 Haux diff lt 3 lt 2 Han ON CI ON CI ON temperature v a ad Set point PEEL FFF uu 100 66 33 of 33 66 100 of differentia differential O Neutral Neutral zone zone Fig 5 2 3 2 Carel code 030220306 rel 2 0 dated 29 06 01 20 Aria e at minimum speed only relay RLS is energised e at medium speed relay RLS is de energised and relay RL4 is energised e at maximum speed relays RL4 and RLS are off and relay RL3 is energised The reverse sequence is adopted for switching off The configuration H1 19 is a variation of H1 14 where the reverse cycle valve and the heating element are absent that is a cooling only unit 5 2 4 Defrost management The defrost process enabled if parameter d1 1 is activated in the heat pump units during heating when the outside temperature is very low and the coil of the external heat exchanger is getting frozen The start of the defrost is determined by the drop in the temperature of the external coil measured by probe B3 below a certain threshold parameter d3 for a minimum time parameter d5 and brings about the immediate shut down of the external and supply fan and the inversion of the reverse cycle valve the compressors remain on If enabled by parameter d8 the auxiliary heaters are also activated in this case the internal fan remains on The end of the defrost may be based on time parameter d2 0 or d
114. tive symbols as well as the machine OFF limit category e comfort set point indicated by the symbol e the room is occupied therefore a certain level of comfort is required Ni e night time set point indicated by the symbol the room is occupied yet a lower level of comfort is required obtained moving the cooling and the heating stages a few degrees away from the comfort set point like having a neutral zone in between This also results in reduced operating noise and energy consumption ia e unoccupied set point indicated by the symbol MM typically used when the room is not occupied The temperature deviation with respect to the comfort set point accepted is wider than the night time set point as cooling and heating stages are engaged at temperature values much higher and lower than the set point Energy consumption results minimized Pressing the SET button in manual operating mode without clock changes the category currently used by the control In time band operating mode on the other hand the category is automatically set by the current program as previously saved If 4 and v are pressed within 5 seconds of pressing SET when category symbols are flashing the set points of the selected category can be modified The default values for the various categories are e 21 70 D 2 4 uM 4 7 Tab 4 2 5 1 1 Graphically the regulation obtained in the three different situations and in AUTOm
115. uddenly falls too low this function depends on parameter R14 The minimum variation depending on the unit of measure chosen with S7 is 0 5 C if S7 0 and 1 F if S7 1 PS High and low temperature alarm delay Represents the delay in activation of the high and low temperature alarms The delay is zeroed every time temperature rises drops again above below the low and high limits i e between P3 and P4 P6 Delay in general alarm on ID3 This represents the delay in the intervention of the general alarm on digital input no 3 This delay is recounted whenever the digital input opens and the alarm signal is activated when the time P6 has elapsed if the input is open again P7 Low humidity alarm threshold This represents the humidity threshold below which the low humidity alarm LO H is activated after the delay P5 P8 High humidity alarm threshold This represents the humidity threshold over which the high humidity alarm HI H is activated after the delay P5 P9 Low pressure alarm delay in cooling This represents the delay in the acquisition of the low pressure alarm LO P on digital input no 2 if the unit is operating in cooling mode Alarm always enabled when P9 0 the alarm is immediate P10 Low pressure alarm delay in heating This represents the delay in the acquisition of the low pressure alarm LO P on digital input no 2 if the unit is operating in heating mode Setting P10 0 the alarm is disabled and the opening of the digital input
116. ulti zone contol 5 oda HER Ri ea dd eed Sl i ee C s 8 2 3 Display terminal 24 Bool nvironments s RR ID Msi solchi dale ie diceria e LIS Eu een rete ed ri al ii li 8 2 5 Heat pump Enerey Savino umor B EE E ERR Re RP ku pa E A E 8 2 6 Splitcooling only 5 ie ERIS RERBA RARE au Een ge RENS 8 di INSTALLATION NR na ae UM ERE E 3 1 Terminalinstallationi 3 2 Connection diagrams for stand alone applications eerte nenne nennen ennt tne treten te enne nenne nne 3 3 Installation of the relay power board STAND ALONE system and multi zone power board 3 4 Connection diagrams for zone control applications i 4 USERINTERFACE sballata rari 4 1 Meaning of the symbols on the display 4 2 Description of the button meaning sa 4 2 1 Front and Side buttons once n ro RU ERR Ue e n CIRIE 4 2 2 Programming idee SA mee erem SOCIO edere rite nee CO POS RIONI 4 2 2 1 F Button and Button v sa 4 2 3 Selecting the machine operating mode MODE button nene nnetn etse nne tnter nns tne nns enne nnn nn 13 4 2 3 1 Selects the supply fan operating mode FAN button stand alone version only eene 13 4 2 4 Setting the temperature and humidity set points esee 4 2 4 1 Setting the temperature set point category SET button 4 2 4 2 Setting the humidity set point SET button for 3 seconds sa
117. unication CL parameters iio Duet ie rete re Pee Rie Yt ES TR ER Rae e eee bt EEEE e ai 50 8 LLL E DICE ener 51 9 TECHNICAL SPECIFICALIONS sescsssoscsssaxecsscsiscaetivecssscentebsosacsescescgussancbsudelscuatenesoassecssssceserustebaccases accesses stsbeasoasselscastasessoesecesteccsnveses 52 9 1 Terminal board sss 52 9 2 Relay power board for stand alone units 4 52 9 3 Triac power board for multi zone applications DEUS 9 4 Common characteristics for components indicated above essere nennen eterne etnies 53 9 5 Protection agaist electric Shock uL Re t Ie ERRE ESSERE EE EO RAE onde 53 10 SOFTWARE 01 4 0 7 M o Cz poU 54 10 1 Notes for the release 3 4 and the following ones i 54 Aria IMPORTANT WARNINGS BEFORE INSTALLING OR HANDLING THE APPLIANCE PLEASE CAREFULLY READ AND FOLLOW THE INSTRUCTIONS AND SAFETY STANDARDS DESCRIBED IN THIS MANUAL This appliance has been developed to operate risk free and for a specific purpose as long as e itis installed operated and maintained according to the instructions contained in this manual e the environmental conditions and the voltage of the power supply correspond to those specified All other uses and modifications made to the device which are not authorised by the manufacturer are considered incorrect Liability for injury or damage caused by the incorrect use of t
118. ut compressors 2 free 85 heating without compressors 3 free cooling free heating without compressors 4 disabled 5 free cooling with compressors 6 free heating with compressors 7 free cooling free heating with compressors 86 P7 low humidity alarm threshold 0 P8 87 P8 high humidity alarm threshold P7 100 88 H16 enable set point compensation 0 1 89 P9 delay in low pressure alarm on ID2 in normal operation 0 900 90 P10 delay in low pressure alarm on ID2 in heating with heat pump 0 900 91 P11 delay in low pressure alarm on ID2 in defrost 0 900 92 P12 type of reset for low pressure alarm on ID2 0 1 2 3 4 5 0 automatic 1 manual 2 5 number of automatic resets within 1 hour from the first alarm then manual reset 93 S9 digital filter for input B2 1 15 94 S10 digital filter for input B3 1 15 95 d9 pause after compressors stop in defrost 0 180 96 d10 pause after reversing of the cycle in defrost 0 180 97 F10 external pre ventilation time for condensation control 0 180 F7 enable condensation control in HEAT and COOL mode 0 1 2 3 0 disabled 1 enabled in Cooling 2 enabled in Heating 3 always enabled 99 F8 external fan stop temperature for condensation control in cooling 0 0 F9 100 F9 external fan start temperature for condensation control in cooling F8 60 0 101 Fil external fan stop temperature for condensation control in heating F12 50 0 102 F12 external fan start t
119. ut power supply For more details see Installation of the relay power board stand alone system see ph 3 3 The board also features a green LED which provides a variety of information coded according to the number of flashes emitted in a 3 second period e 1 flash every 3 seconds normal operation e 2 flashes every 3 seconds serial communication error the power board is not receiving the data sent by the terminal e 3 flashes every 3 seconds serial communication error the terminal is not receiving the data sent by the power board Carel code 030220306 rel 2 0 dated 29 06 01 5 Aria 1 4 Power board for the control of a motorized damper multi zone system codeTAZONE0000 This board manages the motorized inlet air damper with a 3 point control typically in multi zone applications Its main features are e two 24Vac triac outputs to control damper opening closing e three multifunctional digital inputs see 5 6 e one analogue input for automatic cooling heating selection using the probe located in the air duct see 5 2 8 The following areas of connection can be identified on the board e Gand GO for power supply 24Vac e terminals T and T for connection to the terminal e terminals ID COM IDI ID2 and ID3 for connection of the digital inputs e terminals B3 and GND for connection of a NTC temperature probe e terminals OUTI OUT2 and C to open and close the zone damper zone controller
120. ways shown By pressing the button repeatedly the possible operating modes for the machine selected alternates CI IE dg aute Fig 4 2 4 1 The operating mode selected is acknowledged 5 seconds after setting when the related symbol stops blinking 4 2 3 1 Selects the supply fan operating mode FAN button stand alone version only Depending on the number of the supply fan speeds available and the machine operating mode the FAN button scrolls through the following modes o OFF supply fan off available only when in simple ventilation o 1 supply fan constantly at speed 1 o 2 supply fan constantly at speed 2 o 3 supply fan constantly at speed 3 o AUTO supply fan switched on and off along with the actuators When selected speed 1 2 and 3 the symbol corresponding to the selected speed lights up for 5 seconds Afterwards the number corresponding to the actual operating speed lights up it may temporary differs from the one selected due to parameter c8 delay when varying the speed rates of the supply fan Having set AUTO operation when the fan starts the text AUTO also appears next to the fan symbol For details see Output management Carel code 030220306 rel 2 0 dated 29 06 01 13 Aria 4 2 4 Setting the temperature and humidity set points 4 2 4 1 Setting the temperature set point category SET button There are 3 possible situation available unoccupied comfort night time indicated by the rela
121. wer board to just 2 wires The instrument can manage both conventional units and heat pumps with up to a 3 heating and 2 cooling stages in a single refrigeration circuit its operational flexibility is guaranteed by a parameter used to quickly configure the type of air conditioning unit being controlled A special version is also available for multi zone applications in which up to 30 terminals are located in different rooms measuring the local temperature and optionally humidity then communicating with the control of the centralised air conditioning unit pCO or pCO 1 GENERAL CHARACTERISTICS 1 1 Functions Aria is a Carel electronic microprocessor based control designed by Carel to manage single or multi zone Air Conditioning units in residential commercial applications Aria is organized into two integrated systems a terminal installed in the room and a power board for managing the actuators to be placed in the electrical panel of the Air Conditioning unit itself The terminal is connected to the power board using a two lead cable thus greatly simplifying installation The power board is available in two different models depending on the specific application e one model for the control of stand alone air conditioning units relay power board e one model for the control of a motorized damper where Aria is used for zone control triac power board 1 2 Terminal The terminal is the heart of the system it is
122. wer the compensation for the same outside temperature variation For example setting R23 1 leads to a 1 0 C increase in the set point for each 1 0 C increase in the outside temperature setting R24 2 leads to a 0 5 C decrease in the set point for each 1 0 C decrease in the outside temperature Setting R23 or R24 to zero disables the corresponding compensation The maximum set point increase and decrease values are set using parameters R25 and R26 The function is enabled using parameter H16 N B For the correct use of the external probe see the paragraph Using probes B2 and B3 5 2 7 Free cooling amp Free heating The terms Free cooling and Free heating refer to the introduction of outside air into the climate controlled environment in favourable temperature conditions to either heat or cool the environment and save energy The outside air is introduced into the room by modulating the degree of opening of a damper controlled by two relays one for opening and one for closing The relay activation time is the total damper stroke time parameter L4 Whenever the control requests the total closing or opening of the damper the system increases the energising time of the corresponding relay by 25 to ensure complete closing or opening At each start up e g switching from Off mode to Auto mode and whenever Aria is powered the damper is immediately fully closed Different options can be chosen parameter R27 free cooling only free heating
123. with 1 regulation output in direct operation without neutral zone5 2 1 1 Aria activates the output when the controlled measurement exceeds the value of set point differential and the output remains ON until the controlled measurement decreases to the value of the set point In reverse operation still without neutral zone Fig 5 2 1 3 the device activates the output when the controlled measurement falls below the value of set point differential and the output remains ON until the controlled measurement rises to the value of the set point Differential M I Differential C1 OFF CI C1 ON temperature Cl OFF C1 CION x gt temperature Set point Set point Set point Neutral zone Set point Differential Differential Neutral zone Fig 5 2 1 1 Fig 5 2 1 2 The Fig no 5 2 1 1 and 2 show respectively direct without neutral zone and direct with neutral zone In AUTO operation Fig 5 1 1 the device can operate in both direct and reverse modes If the system has one or two auxiliary heaters these if enabled are activated according to the value of Haux set point relative to the current temperature set point less the eventual neutral zone Carel code 030220306 rel 2 0 dated 29 06 01 18 Aria Differential Differential HI ON HI H1 OFF HI ON HI H1 OFF i temperature temperature i lt SEE porte E S Su pomt 7 Neutral zone Set point Differential t point diego 7 eutr
124. y alarm threshold 0 P8 43 P8 high humidity alarm threshold P7 100 44 Carel code 4030220306 start defrost temperature 30 0 d4 rel 2 0 dated 29 06 01 34 Aria end defrost temperature d3 50 0 46 dll forced defrost temperature 50 0 50 0 47 F8 external fan stop temperature for condensation control in cooling 0 0 F9 48 F9 external fan stop temperature for condensation control in cooling F8 60 0 49 F11 external fan stop temperature for condensation control in heating F12 50 0 50 F12 external fan stop temperature for condensation control in heating 0 0 F11 51 R28 free cooling free heating differential 0 5 15 0 52 R29 compressor disable differential T4ug Tour 0 50 0 53 R23 K for temperature set point compensation 0 10 0 54 R24 K for temperature set point compensation 0 10 0 55 R25 minimum limit for the entity of set point compensation 10 0 0 56 R26 maximum limit for the entity of set point compensation 0 10 0 57 S2 lower extreme of the range of temperature humidity measurements probe B2 150 83 58 S3 upper extreme of the range of temperature humidity measurements probe B2 S2 150 59 S4 offset to apply to the temperature measurement by probe BI 12 0 12 0 60 SS offset to apply to the temperature measurement by probe B2 12 0 12 0 VARIABLES R W 1 output status in local or

Installation and user manual - sklep

Contents

Download Pdf Manuals

Related Search

Related Contents