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1. 70 70 8 8 8 8 8 8 Fig 4 Minimum distance of the heater from walls and ceiling scheme Rev4 del 17 09 2013 Pagina 16 INSTALLATION The warm air heater must be installed by skilled personnel qualified pursuant to law The warm air heater must be installed according to national and local regulations TEMPERATURES The operating temperatures of burner and electric components are minimum 0 C maximum 60 C In the case of EX versions installed outdoor at operating temperatures below 09C CMT recommends an anti frost kit mounted in the burner booth on demand This kit maintains the temperature inside the burner booth at 0 C when the outdoor temperature drops below this limit BURNER The warm air heater is supplied together with a modulating pre mixed gas burner series RX complete with gas ramp modulating kit and modulating air sensor all these elements can form a complete heating unit The burner is assembled wired to the warm air heater and the tri thermostat adjusted and tested Anyway during the first start up and periodical inspections check that combustion parameters are the ones shown in the technical data table on Chapter DATA SHEET If the appliance has to be re adjusted for example if the burner is replaced this operation must be performed by a qualified engineer according to the instructions provided in the RX burner manual delivered together with t
2. tal 1 ON y ZHOS 36 ATddNS YAMADA 1V33N39 Pagina 28 Rev4 del 17 09 2013 GENERAL POWER SUPPLY 400V N 50Hz TR RSTN HH BEENDEN E HEF T2 RTI 4 9272 NEN UE A L I l l ee ee 1 SSA 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 21 i 3 1 2 8 7 5 1 0 10 V Negri PIS pl x E Ne N lt I amp x 8 Y yg 5 sz x 2h 35 Be jg Le x gt x lt J O O za e IG Moster switch CE Switchin VENTILATIDN position CI Switchin HEATING position FAN Automatic control thermostat of the fan LIMIT Burner safety thermostat with manual reset LIMIT Max thermostat of the burner with automatic reset MV1 Fan motor 1 FAN MV2 Fan motor 2 FAN S1 Voltage signal lamp Se Signal lamp operation of remote control swiches thermal relays 3 Signal lamp operation of SAFETY LIMIT2 V1 Line fuse 3 15 A F2 Fuse du transformateur In case of short circuit or overload the Fusible of 24V line master swich CIG disconnected automatically To reset it turn the swich anticlockwise TF Fire stop damper and then clockwise TA Timer line or TA Before thise operation try to ldentify TR Transformer 230 24 V the reason for the problem SB Burner locking signal output The operation of safety LIMIT yhat turns hi burner operation counter out
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4. A CUT VI 2222222 Y 23 hnnnunnnri EUM 2 FFF Rev4 del 17 09 2013 Pagina 19 TABLE OF PRESSURE DROPS IN CMT PIPES AND ELEMENTS FOR FLUE AND COMBUSTION AIR INTAKE MODEL Available pressure Pa for flue and combustion air intake CO TN gt A UI Flue PIPE DESCRIPTION Combustion air intake Combustion air intake r Flue 4 9 Rigid pipe 150 mm Length 1 m Combustion air intake 3 3 ELEMENT DESCRIPTION Flue 90 moulded bend R D 1 5 100 mm Combustion air intake Flue 10 8 12 4 18 2 90 moulded bend R D 1 5 130 mm Combustion air intake 15 0 13 4 Flue 9 8 90 moulded bend R D 1 5 150 mm Combustion air intake 6 6 gt mper 45 moulded bend R D 1 5 100 mm Combustion air intake EE TN Flue 45 moulded bend R D 1 5 130 mm Combustion air intake o Flue 4 9 45 moulded bend R D 1 5 150 mm Combustion air intake 3 3 Chinese hat terminal 100 13 7 Chinese hat terminal 130 3 8 00 N 12 7 Chinese hat terminal 150 TR terminal 100 mm 6 9 10 9 15 9 8 6 27 3 14 7 Flue Combustion air intake Combustion air intake T LI TR terminal 130 mm o D TR terminal 150 mm Combustion air intake w UY Rev4 del 17 09 2013 Pagina 20 L
5. 16 Frame made of aluminium sections 17 External insulated panels Models from 80 to 200 three phase with fan s drive motor 1 Air outlet 2 Fume box door AN 3 Burner MS 1 lt 4 Burner anchor plate 5 Centrifugal fan y NI GB 6 Air inlet UA 7 xn C ja zi 8 Stack connection M E PAS 9 Rear fume box Lo 4 9 1 Front fume box 10 Heat exchanger 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles 16 Frame made of aluminium sections 17 External insulated panels 18 Motor s belt tightening slide 19 Pulleys and drive belts Note for 80 100 the burner has a protection see item 15 mod 50 65 Rev4 del 17 09 2013 Pagina 7 Models from 250 to 300 three phase with fan s drive motor 1 Air outlet 2 Fume box door 3 Burner 4 Burner anchor plate 5 Centrifugal fan 6 Air inlet grille 7 Condensate drain 8 Stack connection 9 Rear fume box 9 1 Front fume box 10 Heat exchanger 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles 16 Frame made of aluminium sections 17 External insulated panels 18 Motor s belt tightening slide 19 Pulleys and drive belts Fig 1 Warm air heater 1Ph with air recovery duct and head heater and
6. must be cleaned at appropriate intervals Remove it from its housing and blow compressed air or wash it see the Maintenance paragraph The air inlet grille 6 when dirty must be cleaned by a brush or an air exhauster without removing it Should the appliance be moved to another place be sure this manual follows it so that the new user and or installer can consult it MEANING OF THE SYMBOLS USED ON THE ELECTRICAL BOARD CONTROLS Ventilation Operation of the remote Operation of the manual Burner aff only switch 5 thermal relays safety Limit Ace CE Voltage Heating x Je Me Rev4 del 17 09 2013 Pagina 2 GENERAL INFORMATION The warm air heater is fit for the following applications a Direct heating of the air conveyed by a ventilating unit The heat exchange occurs by contact between the external walls of the combustion chamber and the air b Ventilation only To use it as according to a the heater shall be connected to the power line the gas piping and a suitable combustion product condensate drainage system To use it according to b simply connect it to the power line This warm air heater is to be used to heat the ambient air This appliance must not be used for other purposes and in particular at an average outlet air temperature over 80 C during normal operation CAUTION The manufacturer is liable for the operating characteristics of the heater providing that it is used according to the instructions
7. to issue the certificate of the gas supply system as well as the final test certificate 2 The burner is supplied with the type of gas for which it has been designed 3 The calibration of the FAN LIMIT and LIMIT2 thermostats is correct see Chapter TRE THERMOSTAT 4 The flue system is compliant see the provisions regulations applicable to flues as well as the combustion air piping if any 5 The environment ensures enough ventilation and combustion air according to the standards in force 6 The condensate disposal piping it has been installed according to the norms see Chapter CONNECTING THE CONDENSATE DRAIN Note Carefully read the manual of the burner supplied by the manufacturer OPERATION DESCRIPTION Heating phase The master switch on the electrical board must be in the 1 position and the change over switch in the HEATING position Whenever the room thermostat requires heating the burner begins its self test and pre wash cycle which is followed by combustion Within approximately 5 minutes from the beginning of the combustion the FAN thermostat starts the ventilating unit automatically When the burner is turned off by the room thermostat the ventilating unit remains on in order to cool the heat exchanger and is turned off automatically by the FAN to prevent cold air supply The burner can be stopped also by the LIMIT the burner s max temp thermostat calibrated at 80 if the temperature of the air leaving the he
8. HEATERS OF THE AS COND EX SERIES 14 DATASHEET series AS COND AS COND EX lios 15 INSTALLING THE WARM AIR HEATER ITS ACCESSORIES nennen enne nnne 16 HEATER LOCATION AND GEEARAN CE usara uta DEO d um tia 16 HEATER LOCATION 16 HEATER DISTANCE FROM WALLS un Sana ukasa ran il 16 IEEE Mr Mem 17 TEMPERATUR it a ceda 17 BURNER 17 BAS PIRE s za LU aaa nawan 17 GAS WHORE AND ALARM DEVICE aria 17 ELECTRICALCONNECTHONS uuu 17 CONNECTION OFTHE FLUE FO THE STACK uuu u un a un 18 uu Qum 18 TABLE OF PRESSURE DROPS IN CMT PIPES AND ELEMENTS eene enne nnne 20 FLUE AND COMBUSTION AIR INTAKE ELEMENTS eii ena ca bea Ub 22 CONNECTING THE CONDENSATE DRAIN soll u u P de Pi fep Er iol Gu dut 23 ASSEMBLY DIRECT AIR DEBIVERY PLENUM unu A 24 INSPECHONS ON FIRST START UP uuu teatro eth abbastanza 24 B nis iSo TAS to 25 zh e MPO Cm 27 WP NH ei 30 CEEBNING THE HEAT EXCHANGER T 30 IROUDEESHO TING uuu uuu y __ _6__6_
9. LARGE field Displays ambient temperature checked by the CLIMA Select Sleep operating mode Lockmode The parameter has already been set Time bands active or display Clock Selecttemperature inside outside aximurn minimum Fig 3 11 SMALL field Displavs temperature of SetPoint Rev4 del 17 09 2013 Pagina 37 A Version with direct connection forthe digital input Ambient Temperature R2 Output 2 ANDA Power oi BEER Fig 4 supply 22 35 Code With roof top do not connect ADCA000110 terminals 1 2 Analog output Connessione chiave programmazione paramet IROPZKEYOO Connessione per sonda dise di uriia esterna Fig 5 Fig 6 MOST IMPORTANT PARAMETERS TO BE SET BY THE INSTALLER We remember that parameters dFA e dSA are factory set and must not be changed by the installer customer iif not agree with the manufacturer of the warm air heater parameter rtC real time must be set by the installer parameters SLP dAy nlt and relevant ambient temperature Set Point T winter summer day night can be modified b the installer from the default value factory set see table of parameters In order to set verifie the parameters procede as follows SETPOINT for ambient temperature T depending on different function modes dAy nlt several temperature Set Point T are factory set you can see on display SMALL 11 fig 3 To reset change press SET for more than 5
10. Limit signal lamp a tri thermostat consisting of 3 thermostats which perform the following control and safety functions located on the top above the heat exchanger FAN TR thermostat normally opened to automatically start and stop the ventilating unit during the HEATING phase LIMIT TW normally closed automatic reset max temp thermostat for the burner which stops the burner automatically to make sure that the temperature of the air leaving the heater does not exceed the safety limit LIMIT2 STB normally closed automatic reset safety thermostat for the burner which stops the burner automatically to make sure that the temperature of the air leaving the heater does not exceed the safety limit set by the reference standard It is calibrated at 100 C by the manufacturer these limit must never be modified to prevent dangerous overheating to reset the burner see the instructions on Chapter TRE THERMOSTAT Rev4 del 17 09 2013 Pagina 3 OTHER ESSENTIAL SAFETY REQUIREMENTS Electrical equipment All warm air heaters are checked for conformity as follows Visual inspection on the electric circuit and connection tightening Check the grounding continuity Insulation resistance test Voltage test v v v v Temperatures The temperatures of accessible zones for the manual use of the warm air heater are in compliance with the reference European standard Noise Appropriate measures have been adopted to minimize nois
11. be ordered separately CAUTION When the filter has been washed for the third time replace it with a new filter with the same code v v v v VENTILATING UNIT Check at least once at the beginning of each season gt The proper alignment of pulleys and drive belts if any and check them for wear if necessary replace them with belts of the same size gt The direction of rotation of the ventilating unit indicated by the arrow on the fan see fig 7 gt The belt tensioning Grasp them they must not be become loose by more than 2 3 cm see fig 8 To adjust tensioning screw or unscrew the belt tightening bolt on the motor slide 18 gt The motor absorption in Ampere must not exceed the value specified on Chapter DATA SHEET gt Check the tri thermostat performance see Chapter TRI THERMOSTAT BURNER For burner maintenance comply with the instructions provided in the RX burner manual delivered together with the heater Check 1 The gas pipe tightness 2 The tightness and condition of the stack and connecting ducts or of the flue system combustion air intake COMBUSTION ANALYSIS At least once at the beginning of each heating season unless the current standards require shorter intervals have a combustion analysis carried out and recorded in the POWER PLANT or PLANT HANDBOOK NOTE Take note of all replaced components TABLE OF MINIMUM MAINTENANCE INTERVALS MINIMUM INTERVAL TYPE OF PERIODICAL MAINTENANCE Every day C
12. instrument Basic insulation between the relays UL 873 NO 1A resistive 24Vac 30Vdc 100 000 cycles PILOT DUTY 24Vac make 15 break 1A 30 000 cycles Precision of humidity measurement in the models where featured 3 rh at 25C 5 rH from 0 to 60 C range 10 90 Rh CONNECTIONS The installer must connect the CLIMA regulator see fig 4 to the electric control board of roof top with n 6 cables and keeping separate the tension cables from the analogue output 0 10V ones for the RX burner proportional regulation The CLIMA regulator must be installed not more than 30 m from the warm air heater X or roof top as cable length e digital input non insulated version direct connection of the voltage free contact contact closing current 3 5 mA insulated version with external power supply and 24 Vac contact class II safety external power supply separated from the 24 Vac of the instrument Fig 4b Outside probe connection with standard Carel probes 10K 25 3435 maximum length 30 m with min cable cross section 0 5 mm Digital input connection maximum length 10 m min cable cross section 0 5 e Analogue output connection maximum length 10 m min cable cross section 0 5 mm e Relay output connections cable length max 30 m And cross section from 1 5 to 2 5 mm Reinforced insultion class II Relay output to use the instrument in compliance with UL 873 a load with a maxi
13. outputs by supervisor has been set but there is no connection parameter Lin on TECHNICAL SPECIFICATIONS Power supply 24 Vac 10 15 50 60Hz 1 VA 22 35 0 5W e Operating conditions 0T60 C 10 90 RH non condensing e Storage conditions 20T70 C 10 90 RH non condensing e Dimensions mm 135x86x36mm e Environmental pollution normal Degree of pollution degree II e Software class and structure A e Actions type 1C Index of protection IP20 Ball pressure test temperature on the plastic of the frontal case 100 Ball pressure test temperature on the plastic of the back case 125 C e Classification according to protection against electric shock IT to be integrated into class I or II appliances e Period of electrical stress across the insulating parts long e Control device designed to be supplied to manufacturers installers and maintenance personnel e Immunity against voltage surges category 1 e Cross section of the wires mm from 0 5 to 1 5 mm e Precision of the inside temperature measurement 19C e Precision of the outside temperature measurement NTC standard 10k range 40 60 C precision 0 5 C sensor precision 1 C from 0 to 40 C 1 5 C above e 0 10V analogue output non insulated for proportional control precision 5 max load 2 KOhm max current 5 mA Approval of the relay outputs EN60730 1 NO 1 1 A 250Vac class II reinforced insulation from the
14. selection using the button ff changing the temperature display mode using parameter Unt this becomes the default display made when switching the Instrument an Parameter for control with average value sensor values Defines the average control temperature based on the weighted average of the Inside temperature m and outside temperature TEL the measurements rust be valid and Tm is achieved with the following formula z ned TE 100 1510 15 OFF Select serial communication 0 protocol 96 kbys 1 CAREL protocol 192 kb s 2 Modbus 9 6 kb s even parity 8 bits 1 sion 3 Modbus 15 2 khys even parity 8 bits 1 stop amp ri qien Sits 2 stop Password for ci the parameters Set to tino password s required Set other than zero the ame value must be entered to access the par __ bei Note the symbol means that the parameter 5 shown an 2 fields Rev4 del 17 09 2013 Pagina 41 ACCORRONI A2B Accorroni E G s r l Via d Ancona 37 60027 Osimo An Tel 071 723991 r a Fax 071 7133153 Climate Technology web site www accorroni it e mail a2b accorroni it
15. soe aso ime ow me e ze xe 65 es ime no 70 aro wo ze x e 95 1 complete with burner and gas ramp O 1 complete with burner and gas ramp Rev4 del 17 09 2013 Pagina 12 PLENUM STANDARD HEAD FOR DIRECT AIR DELIVER WARM AIR HEATERS OF THE AS COND SERIES Air blown by the nozzles on three sides and dimensions in mm 7 1 Short side Q long side P short side Q 2 The final speed of the blown air is 0 15 m sec and the nozzle fins deflection is 09 If deflection 30 multiply the blown air value by 0 65 Note T x S R x S DIMENSIONS OF A SINGLE NOZZLE Rev4 del 17 09 2013 Pagina 13 FILTER BOXES ON AIR INLET DELIVERY WARM AIR HEATERS OF THE AS COND and AS COND EX SERIES Filters pressure drops and dimensions in mm V Y Pressure drop s0 870 620 530 560 7 Sor 2006004 Xe 6 670 620 560 needs 9 _ E Lii me I so 580 680 _60 630 101006058 _ 1x625x500x48 ow B 1x625x400x48 350 1460 840 200 1400 800 625400098 19 2x625x500x98 w 1440 200 1400 800 4x625x40098 2x625x500x98 1440 1400 4x625x400x98 aa 2 625 500 98 1x625x400x98 2x625x400x98 2x625x400x98 Efficiency ASHRAE52 76 DUST WEIGHT 87 2 Pressure drop of a new filter CAUTIO
16. the main menu Accesses the menu for displaying the current outside temperature and the maximum and minimum since the instrument was last switched on To display the various temperatures press Av For the meanings see the box with the house symbol Press the PRG button to return to the main menu A From the main menu increases the value of set point displayed in the large field From the other menus displays the variables or the parameters or alternatively changes the value if first pressing SET Rev4 del 17 09 2013 Pagina 35 v From the main menu decreases the value of set point displayed in the large field From the other menus displays the variables or the parameters or alternatively changes the value if first pressing SET Important the operating mode can be changed with the instrument on or off When the mode is changed the user is asked whether to use the default parameters for that mode If yes press SET tasto UP and SET again Otherwise press PRG to exit TABLE OF ERRORS Code displayed Description ALE External alarm generated by the digital input If set from parameter EE Parameter memory alarm Stops control of the instrument until the default parameters are loaded E1 Inside temperature probe alarm E2 Outside temperature probe alarm Eth Digital temperature or humidity sensor alarm only in the models where featured Ert Real time clock alarm only in the models where featured ELN No link control of the
17. the condensate produce during methane combustion is approx 3 5 This pH can be neutralised by a condensate neutralisation kit TO THE HEATER _ 2 TOTHEHEATER A 4 F F elbow Mi FF elbow 1 M 3 8 F reduced nipple 1 M 3 8 F reduced nipple cry fy A EEN Trap B01 003 000024 La Trap B01 003 000024 EE As y o MATERIAL CONDENSATE POLYPROPYLENE DRAIN PIPE MATERIAL _ _ CONDENSATE POLYPROPYLENE DRAIN PIPE Fig 5 Trap with closed piping and trap with open piping Rev4 del 17 09 2013 Pagina 23 ASSEMBLY OF DIRECT AIR DELIVERY PLENUM The plenum if any must be assembled as described on chapter PLENUM of this manual it is recommended to apply silicone sealant on contact surfaces In the standard version the plenum is provided with grilles on three sides and adjustable horizontal vertical fins CAUTION Make sure the air delivery fins are not too inclined for their capacity and delivery would be reduced INSPECTIONS ON FIRST START UP Check the performance of burner RX and make sure that the emissions of CO2 CO and Nox do not exceed the pre determined tolerances as shown in the table on Chapter DATA SHEET Consul the manual of the RX burner delivered together with this warm air heater Visually check that the burner flame is regular and does not hit the bottom of the combustion chamber Check that the directio
18. warm air heater 3Ph with heatd heater Rev4 del 17 09 2013 Pagina 8 WEIGHTS and DIMENSIONS ASCOND SERIES Weight in kg and dimensions in mm Head Heater connection Connection of the delivery Connection of the delivery duct The air inlet grille is on the left till Mod 200 On the right till Mod 250 onward The grille position can be reversed HEATER Weight 1 Net Head Flue Air Outlet Inlet Air Inlet Frame Flue n E F G H I L Kg Kg Kg 50 870 636 1750 65 870 636 1750 B0 1020 750 1950 405 935 670 940 600 940 40 190 270 282 27 100 1020 750 1950 405 935 670 940 690 940 40 130 275 287 27 150 1440 1020 2340 405 1070 940 1360 760 1360 40 150 435 450 42 175 1440 1020 2340 405 1070 940 1360 760 1360 40 150 440 455 42 200 1440 1020 2340 405 1070 940 1360 760 1360 40 150 445 460 42 250 1790 1020 2340 405 1130 940 1710 760 1710 40 200 570 590 50 300 1790 1020 2340 405 1130 940 1710 760 1710 40 200 580 600 50 1 complete with burner and gas ramp Rev4 del 17 09 2013 Pagina 9 COMPOSITION OF THE AS COND EX SERIES HEATER Models from 50 to 65 three phase with fan s d
19. 3 phase voltage heaters bearings unit 8 During operation the burner stops before the 1 LIMIT Operation iu pere on 2 Safety LIMIT2 operation 2 2 Reset the burner See Chapter TRI THERMOSTAT A A A NR CNN iii NOTE IN CASE OF BURNER FAILURE CONSULT THE MANUAL OF THE RX BURNER DELIVERED TOGETHER WITH THE WARM AIR HEATER 4 Contact the authorised after sales service of the burner 1 Reset the thermal relays according to 8 2 ANNEXES MANUAL Clima CAREL for the modulation of burner Clock digital proportional temperature regulator Timer and real time clock for day and night operation Delivered with the warm air heater series AS COND AS COND EX with modulating burner RX General features CLIMA Carel mod ADCA000110 is an electronic instrument installed in the heated room as the remote user terminal with following operating functions 1 Regulates the modulation of the RX burner The modulation starts when CLIMA detects a room temperature of Set Point T minus 29C configured by the manufacturer with parameter dFA CLIMA operates a proportional regulation modulation of the RX burner with 0 10V analogue output Example CLIMA room temperature Set Point 20 CLIMA starts modulate the burner when detect 18 and modulates between 18 20 The modulation can be operated even NTC sensor on air outlet temperature example SET POINT 44 of air outlet temp
20. 6_6___ _ _ _ 33 ANNEXES ts 34 MANUAL Clima CAREL for the modulation of burner nn 34 MOST IMPORTANT PARAMETERS TO BE SET BY THE INSTALLER 38 Rev4 del 17 09 2013 Pagina 1 VERY IMPORTANT NOTICE This manual is an essential and integral part of the warm air heater and must always follow it The user or the installer must read it carefully before operating or handling the appliance The manufacturer may not be held liable for any damage to people animals and property caused by improper use of the appliance unintended use of the appliance any use of the appliance non compliant with the instructions of this manual any use non compliant with European national and regional laws regulations and standards The manufacturer will accept no liability in the event that the heater is not installed periodically checked or serviced by authorised service centres or qualified staff i e engineers with a specific technical knowledge about heating installations in inhabited buildings This appliance may not be used by people including children with reduced physical sensing and mental capabilities or with insufficient experience and knowledge unless they are monitored or instructed by a person responsible for their safety This manual is an integral part of the warm air heater and there
21. AX GAS CONSUMPTION 15 1013 mba 620 at 20 mbar 6 47 28 57 GAS G25 at 25 mbar 752 94 121 150 220 250 293 3324 3853 PROPANE G31 at 37 mbar 4 75 20 98 2432 CAT 67 09 a ss ss amp p e NOx x50 Mg kWh Classe 5 ELECTRICAL DATA O Fan motor supply voltage V Ph Hz 230 V 1 50 400 V 3 N 50 50Hz Sound pressure at 5 m CS sasa ELECTRICAL DATA WITH USEFUL PRESSURE 300 Pa ELECTRICAL DATA WITH USEFUL PRESSURE 2300 _ IVETE Fan motor supply voltage V Ph Hz 400 V 3 N 50 Flue connection combustion air intake 100 100 130 130 150 150 200 200 GAS CATEGORY II 2H3B P Type of appliance based on exhaust tipo B23 C13 C33 C53 devices combustion air intake Warm air heaters can be used together RIELLO RX80 RX80 RX100S RX120 RX250 RX250 RX250 RX350 RX350 with RIELLO burner S PV S PV PV S PV S PV S PV S PV S P S P Air flow rate at 18 9C 4700 Useful static pressure 24000 200 3 5 s aw sso 56 9 9 3 0 1 162 3 5 5 88 1 2 4 D2 1 0 0 00 0 3 1 5 3 2 19 0 95 12 Rev4 del 17 09 2013 Pagina 15 INSTALLING THE WARM AIR HEATER AND ITS ACCESSORIES IMPORTANT This part of the manual is intended for the installer or qualified personnel HEATER LOCATION AND CLEARANCE The warm air heater must be installed according to the provisions of the Ministeri
22. DI PROTEZIONE CONFIG TIPO PROTECTION LEVEL IP X5D CONFIG TYPE B23 C13 C53 PROTECTION DEGREE CONFIG TYPE Rev4 del 17 09 2013 Pagina 4 PACKAGING The warm air heater is delivered on a pallet and is protected by a pluribol film The air inlet plenum if installed is packaged together with heater or separately according to the models TRANSPORT LOADING AND UNLOADING Transport loading and unloading must be carried out carefully to prevent damage to the appliance as well as to people animals and property To load and unload the appliance use a lift truck of suitable capacity according to the safety factor see the gross weight of the appliance in the table on Chapter WEIGHT AND DIMENSIONS During these operations the centre of gravity of the appliance must remain in the middle without dangerous inclinations After removing the packaging check the condition of the appliance If in doubt contact the manufacturer or its agent The heater is a compact appliance with its electrical board and the burner PACKAGING MATERIALS Packaging materials wood cardboard polystyrene nails etc shall be collected and disposed of according to the laws in force CAUTION Dont leave these materials within the reach of children because they may be a source of danger Generator series AS COND EX packaged POSITIONING After removing its packaging the heater must be positioned as described on page 17 CAUTION Don t tur
23. During installation make sure the heater is isolated from the mains supply by means of a dedicated omnipolar switch min space for contact opening 3 mm installed upstream of the heater of suitable size based on the heater s total electric load and in compliance with current standards The main power cables must be of suitable size and T marked The ground cable must be longer than the others by approx 2 cm The heater s supply voltage must be 1F 230Vac 50 and 65 and 3F 400V N 50Hz 80 to 200 The heater must be grounded according to the standards in force Connect the fire damper if installed to the heater s electrical board When installing the room thermostat nstall it in a room heated by the warm air heater Do not leave it under direct sunlight Do not install it on a cold wall but rather on an internal wall Do not install it in a place directly blown by the air jet Rev4 del 17 09 2013 Pagina 17 CAUTION Do not connect the timer if installed in series with the mains supply connect it to the room thermostat s line Otherwise the timer would turn off the heater and all the unused heat would remain in the appliance which could be damaged CONNECTION OF THE FLUE TO THE STACK If requested by local regulations or when other options are selected the warm air heater must be connected to a stack of proper sized made of suitable materials and installed according to national and local environmental regulations and standar
24. EGEN Available pressure Pa for flue and combustion air intake EXE PIPE DESCRIPTION Pressure drop in CMT pipe for length unit Pa m O Rigid pipe 200 mm Length 1 m Rigid pipe 250 mm Length 1 m pe Papa Rigid pipe 300 mm Length 1 m ELEMENT DESCRIPTION Pressure drop Pa element me afe 90 moulded bend R D 1 5 200 mm 90 moulded bend R D 1 5 250 mm ____ 90 moulded bend R D 1 5 300 mm fe Rsa 45 moulded bend R D 1 5 200 mm 45 moulded bend R D 1 5 250 mm 45 moulded bend R D 1 5 300 mm Chinese hat terminal 200 Chinese hat terminal 250 ameer TT _ I pasene O Few w TR terminal 200 mm TR terminal 250 mm TR terminal 300 mm Rev4 del 17 09 2013 Pagina 21 FLUE AND COMBUSTION AIR INTAKE ELEMENTS T6 CHINESE T20 WEATHERPROOF TERMINAL 90 MOULDED BEND 90 T UNION 45 MOULDED BEND 5 30 ADJUSTABLE FLASHING T7 WINDPROOF WALL TERMINAL ELEMENT ELEMENT DIMENSIONS A a dus gt 185 210 205 225 le 92 90 213 235 DE 120 160 150 150 A B A B A B 200 150 2 240 185 240 135 5 0 9 245 140 310 i 170 220 150 150 Rev4 del 17 09 2013 Pagina 22 CONNECTING THE CONDENSATE DRAIN The warm air heater is provided with a condens
25. IEeT shows alarm EHI and DET D ect Oto 50 Humidification set point 1010 70 W rH E Dehumidification set point 100 70 Humidity differential for the activation of analogue output and the rely Dehumidification differential for the activation of the relay Parameter to define the humidiication dehumidtication status In day and night mode Activates deactwates humidification or dehumidification control based on DIP 4 with the time bands The parameter can have the following three values 0 Time bands disabled The hurnidificationzdehurnkdhcatlon contro ls always active IF featured and E configured In relation to 1 Time bands enabled When switching to the daytime band hurnidiicatiengdehumidficatlan cantral depends on dip E When switching to the night band humidificationdehumidiicatian control depends an Is deactivated 2 Time bands enabled When switching to the daytime band humidificationidehumidification contro depends on dip E deactivated When switching to the night band humidificatiendehurnidification control depends on ls activated Humidity set point automatically compensated by the outside temperature humidity control ls featured the ambient humidity Is controlled with an automatic set point defined from 1H to 7H using the buttons as specified In the corresponding table see page 15 If set to OFF the mode disabled Setting one of the levels In the table the control
26. N For plant calculations this pressure drop for rather dirty but not clogged filters must be increased by at least 50 and must be subtracted from the useful head of the heater Rev4 del 17 09 2013 Pagina 14 DATA SHEET series AS COND AS COND EX THERMAL PERFORMANCE 50 80 250 300 Rated heat input Qn E m 2 gw 313 Rated heat rating Pn 73 0 1166 1786 2018 2342 269 310 Pn 7 7 1 f Heat input at 50 of the rated heat input 30 55 49 25 10 5 119 162 187 8 191 3 I Thermal efficiency at 50 of the rated heat input Hue 101 8 102 6 104 9 101 8 104 8 104 5 103 9 103 3 7 3 9 2 7 7 9 2 02 109 Minimum heat input Qmin NEN D me wo Dm Des MN ma a sa s s 6 6 1 8 0 2 06 4 15 50 4 Heat rating at 23 3 7 9 31 8 2 Thermal efficiency at minimum heat input 106 Qmin 3 5 0 Backpressure in the combustion chamber pus 4 with G20 at Qn 4 the combustion chamber 4 with at Condensate produced when the room temperature is 20 2 AERAULIC PERFORMANCE 15 106 9 Heat rating at 50 of the rated heat input 107 8 107 8 106 9 106 9 106 9 107 4 8 9 3 6 2 5 9 5 0 SD N SD A IM pat el pw wee de 3 dove ns 6100 15800 20800 C am no am ue ue 2 DELTA T AIR at PN C 37 4 37 1 M
27. T TW Arancio Orange Ricarica 100 C LIMIT2 STB TRITERMOSTATO TRITHERMOSTAT JUMO 3Ph Serie GP XP Presso FAN TR Bianco White UR Rosso Red Rosso Red Grigio Grey LIMIT TW Arancio Orange LIMIT2 STB Rev4 del 17 09 2013 Pagina 26 ELECTRICAL DIAGRAMS 40197109354 713499 UHM Sa3lv3H 69 06 40 WVeDVIG E ECC fi Vertes weeded oM ge804s 4nd4no aa4uno uono48d gu 4nd4no Jajuno gt TY andano youbis usuung gs G9 puo 0G puoGg vg esng aUll Ij v eun VI jpubd jou3uoo jeuung 4O430u AN 23534 DIZOWOAND YIM USsUUNG ay 4O 303so0uJ4a8u3 xoyw 323524 onuou ua3iM 4043SOuua8ua 93340S 21191 SYR JO 3934SOuJ4a8Uu JOUZUOD 2I40uO4hnuy NY 4 UO IZISOd SNILV3H UlYIFIMS I2 UO IZISOd U IU 23l S 39 U241IMS 5 DI 19110454 ayy suoli gt auuo 34019710933 132395 OL ZH 05 A dl AlddNS 1989N39 s S 2 8 s r EE z N 2 D LLL T J9 D U eu jo 105132213 Pagina 27 Rev4 del 17 09 2013 T0e 20 v0 10119 9 LL 34 04n2 u23J4S 1043402 IM HERE A null JOJ UDzIKS 10 502 230028 Tl es ES duo pajouBis S
28. WARM AIR HEATERS fitted with low NOx modulating pre mixed gas burners AS COND AS COND EX USE INSTALLATION AND MAINTENANCE MANUAL gt lt TT Q O Y lt Q O Y lt ACCORRONI A INDEX WND E eT amam 1 COMPOSETIONAOE THE AS COND SERIES HEATER all ecc 7 Models from 50 to 65 with single phase motor directly coupled to the fan y Models from 80 to 200 three phase with fan s drive Motor i 7 Models from 250 to 300 three phase with fan s drive motor nnn 8 WEIGHTS and DIMENSIONS AS COND SERIES irri tii deret Pelo Gro Gavan opo Reg 9 COMPOSITION THE AS COND EX SER ESFIEATER neri E Z aypa sd so oltre 10 Models from 50 to 65 three phase with fan s drive motor nne 10 Models from 80 to 200 three phase with fan s drive motor enne 10 Models from 250 to 300 three phase with fan s drive motor eene 11 WEIG TS and DIMENSIONSTAS COND EX SERIES inicia estetico p L b pat ba EE ERES paa tS b Si 12 PLENUM STANDARD HEAD FOR DIRECT AIR DELIVER i 13 FILTER BOXES ON AIR INLET DELIVERY WARM AIR
29. after sales service to check the burner 3 With the master switch on I the voltage 1 Poor connection of the room thermostat timer lamp on the change over switch in the HEATING position and the room thermostat on the burner does not start 2 Defective burner 3 The max LIMIT thermostat is on 3 Wait until the air temperature drops below 65 4 Like 8 3 with the SAFETY LIMIT OPERATION 1 The max LIMIT2 thermostat is on because the air leaving 1 Reset the burner as described on Chapter TRI switch on the appliance is overheated THERMOSTAT 5 Come al punto 3 ma il bruciatore dopo la fase di ii pela va birnir orto motetid prelavaggio va in blocco e non si forma la fiamma Se 1 Excess FAN calibration 1 Calibrate it see Chapter TRE THERMOSTAT 6 The burner is on but the ventilating unit is not 2 Defective FAN 2 Contact the after sales service to have it replaced yet running and then starts stops continuously 3 The temperature of the incoming air is below 0 C 3 Try to increase this temperature 4 Insufficient gas flow rate 4 Contact the authorised after sales service of the burner 7 The burner is on but the fan does not start 1 The remote control switch s thermal relays are on due to and the the motor REMOTE CONTROL SWITCH THERM lamp is 2 Faulty electric motor s defective contact or seized 2 Contact the after sales service to check the ventilating only for
30. al Decree dated 12 April 1996 and of other regulations and standards as applicable of which the installer must be aware Ventilate the room where the warm air heater is installed according to the provisions of the laws regulations and standards referenced above Try to cover all the heated area with the blown air In the presence of considerable air infiltration e g from doors adjust the air flow Do not direct the air flows against obstacles such as pillars and stored material If the room is provided with air extractors install the warn air heater on the opposite wall as well as an outside air intake in order to supply new air v v v v HEATER LOCATION Leave an appropriate clearance around the heater free of combustible material and calculate the distance in compliance with the M D dated 12 April 1996 HEATER DISTANCE FROM WALLS To calculate the minimum distance of the heater from walls and ceiling refer to the M D dated 12 April 1996 and other regulations in force The minimum distances recommended by the manufacturer for maintenance of heater burner and accessories if any are indicated below B 1 mm 1000_ 6s 100 so 100 1000 aso 130 1300 200 1300 25e 1300 1300 _ 1300 80 1300 820 60 Check this height based on the possibility of disassembling and servicing the flue system 0 0 20 20 20 20 20 20 20 89
31. and subject to the limits described throughout this manual Warranty If the heater is not installed according to this manual the warranty will become null and void STRUCTURAL INSPECTION AND SAFETY REQUIREMENTS The warm air heater is made of an aluminium frame and an external panelling in pre painted sheet the panels interior is insulated by a glass wool mattress The heating section includes a combustion chamber and a heat exchanger In this area the insulating mattress is protected from overheating by galvanized steel sheet The ventilating section with a centrifugal fan driven by a single phase or three phase belt drive electric motor is coupled with the heating section The ventilating unit is provided with a finger protection grille that can be removed only by means of a tool The combustion chamber made of stainless steel for high temperatures is bolted to the frame so that its thermal expansion does not affect its life over the time The heat exchanger made of stainless steel pipes is welded to the combustion chamber Inspection and maintenance operations may be carried out through large openings on both sides On the front of the heater you can find a pre mixed gas burner with gas ramp the modulation kit connected to an air temperature sensor and an electrical control board with Master switch HEATING BURNER STOP VENTILATION switch Voltage signal lamp Signal lamp for remote switch s thermal relays Safety
32. ar panel flue connection 8 and the 2 covers of rear fume box 9 Clean the pipe interior after removing the vortex tubes Collect the soot at the back Before reinstalling the 2 covers of the fume box check that its seals are intact otherwise replace them with similar seals with the same code Remove the pipe on flue connection 8 and clean rear fume box 9 COMBUSTION CHAMBER 11 Remove the burner from its plate 4 Clean external walls for soot and deposits Check that the combustion chamber is not damaged Check that the seal of the burner supporting plate and the relevant seal on the nozle are in good condition if not replace them with seals having the same code Note All seals are asbestos free and compliant with EC standards CLEANING THE FILTER ON AIR INLET the filter is an accessory dirty filter reduces the air flow increases discharge temperature reduces heat exchange and heater efficiency It is very important to clean the filter at regular intervals so that it remains always clean The cleaning interval depends on the amount of dust in filtered air To clean it proceed as follows Rev4 del 17 09 2013 Pagina 30 Remove the filter from its seat Shake it and leave the dust fall Blow the filter with counter current compressed air From time to time for a more thorough cleaning wash the filter in warm water with some detergent dry and place it in its seat again CAUTION The filter is an accessory to
33. ate drain pipe flue side which drains the condensate produced in the heat exchanger The sloping tubes of the heat exchanger let the condensate flow towards the rear fume box and the condensate drain A trap is also supplied and the installer shall connect it to the heater s condensate drain pipe and to the condensate disposal system see the drawing below Unions must be watertight The disposal system piping must be calculated based on the condensate litres hour see the table on Chapter DATA SHEET and its internal diameter must not be less than 20 mm The condensate disposal pipes must be made of synthetic material such as PVC or corrosion proof stainless steel Do not use galvanized steel pipes The trap provided is complete with a float valve to prevent fume leaks and must be filled with water before the first start up The condensate disposal piping can be provided with trap and closed disposal pipe Use this system for warm air heaters installed in the heated ambient or inside a room Due to frost hazard install an open piping see the drawing below for outdoor disposal systems Caution the condensate disposal piping must be installed at a level lower than the trap free this system is recommended for outdoor warm air heaters if permitted by local regulations The condensate is drained directly outside Caution To let the condensate out make sure the warm air heater has been installed on a flat surface Caution The pH of
34. ater exceeds this temperature limit The LIMIT resets the burner automatically once the air has cooled The burner can be stopped also by the LIMIT2 the burner s safety thermostat calibrated at 100 C if the temperature of the air leaving the heater exceeds the safety limit set by the applicable standard To reset the burner let the air cool down and then proceed as specified on chapter TRI THERMOSTAT of this manual CAUTION The LIMIT2 activation detects an operational fault please contact an authorised after sale service or qualified technical personnel STOP If the switch is moved to the BURNER STOP position the burner stops while the ventilating units continues to turn up until it is turned off by the FAN thermostat on completion of the cooling phase to de energize the heater move the master switch IG to position O CAUTION Before disconnecting power supply with the master switch make sure that the heater has cooled down otherwise the appliance life could be shorter Ventilation phase Turn the switch to the VENTILATION position the heater will work as fan only and the burner will be cut off CAUTION Never turn off the heater using the master switch use its own switch the room thermostat or the clock if installed otherwise the heat exchanger is likely to be still heated and could be strained MODULATION REGULATOR CAREL TYPE CLIMA read his instructions supplied with the heater The burner of modulatin
35. changer 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles 16 Frame made of aluminium sections 17 External insulated panels 18 Motor s belt tightening slide 19 Pulleys and drive belts 20 Booth protecting burner and electric components Rev4 del 17 09 2013 Pagina 11 WEIGHTS and DIMENSIONS AS COND EX SERIES Weight on kg and dimensions on Head Heater connection O Zo CY SA Connection of the air EE recovery 2 duct Z Se i EL 4 e SRR G SHAN y Pe EIZO 005 SA RAR CAAA 4 RE lt NL H OO A S Y M The air inlet grille is on the left till Mod 200 On the right till Mod 250 onward The grille position can be reversed n Air delivery AVES Bumercabn Heater weight PEERS AE ane connection connection exhaust met packed nce Marina rai HE wo s us sso 596 sso eo e30 4o wo 22 so 200 750 1950 670 sso 650 sso 1220 no 307 aoo xm 750 isso ss o ss0 n me mo xe je 2340 im sw 162 roo 1360 sso isso iso vs e ame 1020 2340 1070 ow 182 200 eso isso iso seo
36. ctrical connections of the thermostat are performed in order to keep the fan always on see scheme below gt LIMIT2 STB Security limit thermostat for the burner normally closed with manual reset to automatic stop the burner in case the average air outlet temperature overheat above the pre set value The set point at 100 C is fixed by the manufacturer This set point must not be changed The LIMIT2 when intervening stops the burner while the fan keeps turning to cool the heat exchanger To reset the burner first wait the air outlet temperature drops down than push the reset green button Resetting the STB D verrouillage de STB 1 Hutmutter 1 2 Wiedereinschaltknopf 2 9 Hutmutter 1 E abschrauben En dr cken bis der Mikro um aufschrauban PRA F S WTHc 2240 1 Unscrew L Press reset knob 2 1 Screw cap nut cap nut 1 until the microswitch is i 1 back on 2 resat Pp i Devisser Appuyer sur le bouton de r ar e Visser l crou l crou borgne i 1 mement 2 jusqu ce que la borgne 1 1 micronupteur soit d verrouill gt LIMIT TW Temperature limit thermostat for the burner normally closed to automatic stop the burner when the average air outlet temperature exceeds the pre set value The set point fixed by the manufacturer inside the casing is at 70 C and can be increased maximum at 80 C The LIMIT reset is automatic when air outlet temperature
37. drops of about 14 C below his set point 1 Setpoint spindle Bl Remove housing cover 1 Potentiom tre Retirer le couvercle du 2 Setpoint marker and adjust setpoint spin 2 Rep re de boitier et r gler le poten 3 Internal scale dle using a screwdriver consigne tiom tre l aide du tour Put housing cover back iE his ini evis on and tighten up the 3 Echelle interne Replacer et visser le cou screws vercle du boitier CAUTION Make sure that the manual reset LIMIT2 is not activated due to Low air flow rate caused by obstructions and obstacles in the air exhaust distribution system e Clogged air filters if installed e Heater stopped using the master switch or owing to a power failure during operation Rev4 del 17 09 2013 Pagina 25 e Operation of the fire damper e Tri thermostat bulbs too inclined downwards or too close to the heat exchanger that speed up its operation Once all these problems have been solved if the fault persists contact the after sales service or qualified personnel CAUTION Check before the first start up that the tri thermostat bulbs are inclined upwards and do not touch the heat exchanger TRITERMOSTATO TRITHERMOSTAT JUMO 1 Serie C Bianco White FAN TR Marrone Brown Rosso Red LIMIT TW Arancio Orange LIMIT2 STB TRITERMOSTATO TRITHERMOSTAT JUMO 3Ph Serie G GP XP Tenso Grigio Grey FAN TR Bianco White Rosso Red Rosso Red LIMI
38. ds The diameter of the pipe connecting the heater to the stack must be equal to or larger than the flue all joints must be sealed When dimensioning the ducts stack system please remember that the maximum pressure drop must not exceed 50 Pa FLUE COMBUSTION AIR INTAKE The warm air heaters of the X series are fit for the following flue combustion air intake systems B23 and of tight type C13 C33 C53 C63 Please consult national and local regulations and standards to make sure that the desired system can be installed Comply with the installation diagrams provided throughout this manual The sum of maximum pressure drops between the flue and the combustion air intake if installed including terminals must not exceed 50 Pa For more information about duct joints please contact A2B Accorroni directly or your supplier The table on the next page shows the pressure drops in the pipes flue combustion air intake for a variety of models and diameters supplied by A2B Accorroni These pipes and elements are made of smooth stainless steel A2B Accorroni warrants the heater performance if its own pipes and elements are mounted as specified in the table FLUE AND COMBUSTION AIR INTAKE ELEMENTS The installer can use pipes and elements manufactured by other companies providing that pressure drops do not exceed the ones shown in the table PRESSURE DROPS IN PIPES AND ELEMENTS Rev4 del 17 09 2013 Pagina 18 4 Ns IN A 4 1007040000
39. e emissions The relevant values in db A are listed in the table on table DATA SHEET Signals The signals on controls and alarm devices consist of symbols based on ISO7000 These symbols are explained on Chapter MEANING OF THE SYMBOLS WARM AIR HEATER DATA PLATE A data plate made with an ultra destructible film which once removed cannot be used again is affixed on the front of each warm air heater and shows its technical characteristics A facsimile of this plate is shown here below GENERATORE D ARIA CALDA A CONVEZIONE FORZATA CON BRUCIATORE A GAS PREMISCELATO BASSO NOX CL 5 FORCED CONVECTION WARM AIR HEATER WITH GAS PREMIX BURNER LOW NOX CL 5 GENERATEUR D AIR CHAUD A CONVECTION FORCEE AVEC BRULEUR GAZ PREMIX LOW NOX CL 5 MOD N 101001 MESE ANNO TYP 9121235 2 MONTH YEAR E AS COND 65 MOIS ANNEE 02 2010 PORTATA TERMICA NOMINALE NOMINAL HEAT INPUT DEBIT CALORIFIQUE NOMINAL 76 kW POTENZA TERMICA NOMINALE PUISSANCE CALORIFIQUE UTILE THERMAL RATED POWER 73 kW RESA TERMICA ALLA Pn 96 1 AIR DELIVERY DEBIT AIR 6 100 mc h PRESSIONE STATICA UTILE AVAILABLE AIR PRESSURE p PRESSION AIR DISPONIBLE a POTENZA ELETTRICA ASSORBITA RATED POWER INPUT n 1 0 736 kW PUISSANCE ELECTRIQUE ABSOR TENSIONE TENSION 230 1F 50HZ PAESE DESTINAZIONE IT CATEGORIA TI COUNTRY OF DESTINATION CATEGORY 2H3B P PAYS DE DESTINATION CATEGORIE MADEINITALY 0694BU1913 C 0694 GRADO
40. erature The modulation starts at 42 C of air outlet temperature or by NTC sensor on air recirculation temperature example SET POINT 20 C of air recirculation temperature modulation starts at 18 In this case there is a need of a room thermostat to switch ON OFF the burner This solution is applied also with roof top operated by PCB controller 2 Operates as room thermostate switch off the burner when detects room temperature of Set Point T 11 set on the CLIMA The burner start on again when room temperature is 0 5 C configured by the manufacturer with parameter dlF of Set Point T 11 The burner start on at a modulate thermal power set by the manufacturer with parameter dSA Example CLIMA room temperature Set Point 20 CLIMA switch off the burner when detects 20 when detects 19 5 in the room CLIMA starts on again the burner This function is not operating with roof top because operated by PCB controller 3 Setting the clock the time bands and the default value of the timer for the burner RX and so for the warm air heater in heating For this setting press PRG and by pressing in sequence SET SET set the following parameters rtC real time dAy starting time of day mode nlt starting time of night mode SLP eventually time interval between dAy day running mode and nlt night running mode With the clock incorporate is possible set the time bands modes 2 bands per day the same for all the 7 day
41. ess the PRG button After time bands are set simbol CLOCK will appear on display The CLIMA regulator is ready To start operate press ON For more information on the regulator CLIMA consult the general Clima CAREL manual on web site www carel com and go on the type ADCA000110 Rev4 del 17 09 2013 Pagina 38 6 1 Description of the parameters for the standard version The parameters avallable depend on the clima model used and the level set 1 or 2 code BI 6 Parameter range default mote day temperature set point In cooling night temperature set point in cooling day temperature set point in heating night temperature set point in heating single day temperature set point for automatik modes single night temperature set point for automatic modes Temperature differential for relay 1 This Is an in or subtracted from the set point depending on the contral or heatin Tempera UE difesential relay 2 This Is an absolute value and ts added in or subtracted from the set paint depending on the control differential This value ls added to or subtracted from the set point according to the control mode selected cooling or heating Analogue output offset Forn to the set point This value 15 added to or subtracted from to the set point according to the operating mode cooling heating Maximum water temperature ONAOEF radiant floor ap imode 8 all dipswitches off The SC
42. fore shall be maintained carefully and must always follow the appliance in the event of a change in ownership CAUTION This warm air heater must not be used in explosive atmosphere The plant project installation start up periodical inspections and repairs of this warm air heater must be carried out only by skilled personnel In particular all obligations provided for by European national regional and local laws regulations standards and recommendations applicable to design and installation authorisations periodical inspections maintenance combustion controls and emissions into the atmosphere shall be understood and complied with by the user and the said skilled personnel In case of troubles and faulty operation of the appliance the user must disconnect power supply and avoid any attempt of repair so as not to damage the appliance and or third parties See the description in the Troubleshooting paragraph of this manual CAUTION Before maintenance or servicing cut off power supply to the appliance by selecting turning the master switch to O At the end of the heating season the user must contact skilled personnel to have the combustion chamber and the heat exchanger cleaned and based on the intervals provided for by law to check the performance of the other components and safety devices by conducting a combustion test The results of these operations shall be registered on the heating plant handbook The air inlet filter if any
43. g type is controlled during flame modulation phases by the ambient terminal device type Clima supplied with the heater with an air sensor NTC in it The Clima is to be installed in the room to be heated To set the ambient temperature for the modulation read here down OUTSIDE TEMPERATURE S PROBE Press to increaseW Option on request Rev4 del 17 09 2013 Pagina 6 The Clima device operates on the burner as modulation control room thermostat clock thermostat For example when we set 20 the modulating starts on at 18 and the burner will be turned off just when it will reach 20 The burner will start anew at 19 5 C The regulator CLIMA is powered with 24V so the electric board contains the transformer of 230V 24V The regulator send a signal of 0 10V for flame modulation The communication cable 0 10V between Clima and burner could have the max distance of 10 m with section 0 5 mm or just max 30 mt with concealed cable with section 1 5 mm COMPOSITION OF THE AS COND SERIES HEATER Models from 50 to 65 with single phase motor directly coupled to the fan 1 Air outlet 2 Fume box door 3 Burner 4 Burner anchor plate 5 Centrifugal fan 6 Air inlet grille 7 Condensate drain 8 Stack connection 9 Rear fume box 9 1 Front fume box 10 Heat exchanger 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles
44. he heater NOTE the CO value should range between 0 and 20 ppm GAS PIPE The gas pipe must be manufactured to reference UNI CIG or Country standards Pipe diameters must be calculated according to the heater capacity and distance from the meter and sized so that the total pressure drop between the meter and any heater does not exceed 1 mbar methane and 2 mbar LPG The reference UNI CIG standards illustrate the diameter tables based on capacity and length Install a valve and a gas filter near the heater For methane make sure that the meter can deliver the gas volume required For propane install a two stage pressure reducing system install a first stage reducer close to the tank calibrated at 1 5 bar and a second stage reducer before the internal piping GAS SHUT OFF AND ALARM DEVICE The warm air heater must be provided with a gas shut off and alarm device to detect any gas leak in compliance with national local laws and regulations in force ELECTRICAL CONNECTIONS see wiring diagrams on chapter ELECTRIC DIAGRAM Electrical connections must comply with national and local regulations and standards IEE standards included This heater is delivered complete with all electrical connections except for connection to power supply and remote control or room thermostat to be carried out by the installer based on the wiring diagram on Chapter ELECTRIC DIAGRAM of this manual Do not de energize the heater using the master switch
45. ion sheet GENERAL WARNINGS Avoid installing the boards in environments with the following characteristics e Strong vibrations or knocks e Exposure to jets of water Strong magnetic and or radio frequency interference for example near transmitting antennae Exposure to direct sunlight and to the elements in general e To clean the display use a soft cloth Do not use water or solvents e Operation at particularly low temperatures may cause an evident decrease in the response speed of the display This should be considered normal and does not indicate a malfunction e A power supply voltage other than that specified may seriously damage the instrument e Separate as much as possible the control cables from the cables to the inductive loads and power cables to avoid possible electromagnetic disturbance Never insert power cables including the electrical cables and probe and serial communication cables 0 10V in the same conduits Do not install the communication cables in the immediate vicinity of power devices contactors circuit breakers or similar The cables that come out of the controller must not be in view but rather run inside the conduit e If the appliance is used in a manner not specified by the manufacturer the rated protection of the appliance may be compromised FUNDAMENTAL OPERATIONS OF THE INSTRUMENT Below is the meaning of the buttons in normal operating conditions BUTTON MEANING Power Switch the CLIMA instru
46. l cables from the relay cables Place a clamp around the two groups of cables signal and power supply relay outputs near the terminals e Check inside the CLIMA the dipswitches must be in the following position see the table below Name Switch Switch Switch Switch Model Product code Basic temperature control with one ADCA000110 relay only Analogue output associated with temperature e Reconnect if previously disconnected the flat connection cable between the rear and the front panel ensuring the polarity is correct Rev4 del 17 09 2013 Pagina 34 e Close the instrument with the opposite movement making sure the flat connection cable does not hinder the operation e To ensure electrical safety EN60730 1 insert the plastic tab and tighten the screw to stop the instrument from opening see Fig 2 SERIAL CONNECTION OPTION To connect the instrument to the supervisor serial line the accessory code IROPZ48500 is required For correct operation turn the instrument off and connect the option to J1 as shown in Fig 6 For details on the RS485 serial line see the instruction sheet enclosed with the accessory PARAMETER PROGRAMMING OPTION The optional programming key code PSOPZKEYOO or PSOPZKEYAO can be used to program the parameters on the instrument connect the key turn the instrument off and connect the key to J1 as shown in Fig 6 For further information on the operation of the key see the corresponding instruct
47. lean air filters if installed if they are clogged Once every 80 hours At least once at the beginning of each Clean and inspect the heat exchanger heating season Clean and inspect the combustion chamber Clean and inspect the ventilating unit Check the performance of electrical and safety components Combustion analysis At least once at the beginning of each heating season Rev4 del 17 09 2013 Pagina 31 Rev4 del 17 09 2013 Pagina 32 TROUBLESHOTING Use the table below to identify any possible problems If a problem cannot be solved as suggested in the table contact the authorised after sales service or qualified personnel FAILURE CAUSE REMEDY 1 The master switch is on and the change 1 The electrical board is not energised 1 Check that the master switch upstream of the electrical over switch in the VENTILATION position the board is on signal lamp is off and the ventilating unit 2 Replace the fuse with another piece with the same stopped characteristics 2 Like n 1 but the REMOTE CONTROL 1 E intervenuta la termica del teleruttore e ha tolto tensione al deck turn off the master d ree open ae SWITCH THERM lamp is on motore electrical board cover and press the push button of the only for 3 phase voltage heaters remote control switch s thermal relays 1 Contact the after sales service to have the component repaired or replaced 2 Contact the
48. ler Independently sets a humidity set point In relation to the outside temperature Rev4 del 17 09 2013 Pagina 39 ele Parameter for set point compensation Parameter CSt enables and sets the gain for set point compensation according to the outside temperature IFCst disabled Also see parameters Cit and Cis Max differential for the compensated set point The maximum value for the compensated set point ls limited by this parameter In heating mode If the difference calculated for set point compensation Is higher than CdF the instrument uses as the maximum difference from the set point Similarly in cooling mode If the difference calculated for set point compensation 5 less than CdF the Instrument uses Cde as the maximum difference fom the set point Threshold for set point compensation in heating mode Temperature set point compensation In heating based on the autsde temperature measurement Ep Tent Cit Cst r1 a Thresh old for set point compen zem n xum mode Temperature set point compensation In cooling based on the outside temperature measurement compensated set polnt setpoint Text set point CtS CSt Compensation E activated only If Text gt set p Configuration TZA e TZA H Additional modes for the automatic operation For temperature control only TZALE Configuration 1 temperature contro with set point and dead ba
49. ment On Off The button may be disabled if the On Off function is associated with the digital input When the instrument is switched off all controls are disabled except for the antifreeze function C F Selects the temperature display mode between degrees Celsius and Fahrenheit When pressed switches between the two temperature units SET Used to display and when necessary set using the buttons cv the set point displayed in the SMALL field If pressed for more than 5 seconds accesses the parameters menu To scroll the various parameters use4 v When on a parameter to modifie press SET than modifie with 4 v and confirm by pressing the SET button again and to exit the parameters menu press the PRG button J Activates the opposite operating mode to the current mode sleep when in day mode or day when in sleep mode for the time displayed To change or reset the timer use to increase or decrease the time Press again to exit and return to the main menu If the mode is already active pressing the button will show the time remaining until the timer expires prg Accesses the menu for setting the clock the time bands and the default value of the timer When first pressing the button the current time is displayed rtc to display the other parameters use the 4 v To set a new parameter s value press SET when the required parameter is displayed and change the value using with 4 v Press again PRG to exit and return to
50. mum voltage of 24 Vac class II can be connected e UL instructions for the connections Use 75 copper CU conductor and wire size No 22 14 AWG stranded or solid Rev4 del 17 09 2013 Pagina 36 Use Terminal tightening torque of 4 Lb In when green PTR terminal block is used or 7 Lb In when black SAURO terminal series is used WARNING All connections except for the relays must be connected to low voltage circuits with reinforced insulation IMPORTANT WARNINGS The CAREL product is a state of the art product whose operation is specified in the technical documentation supplied with the product or can be downloaded even prior to purchase from the website www carel com The client builder developer or installer of the final equipment assumes every responsibility and risk relating to the phase of configuration the product in order to reach the expected results in relation to the specific final installation and or equipment The lack of such phase of study which is requested indicated in the user manual can cause the final product to malfunction of which CAREL can not be held responsible The final client must use the product only in the manner described in the documentation related to the product itself The liability of CAREL in relation to its own product is regulated by CAREL s general contract conditions edited on the website www carel com and or by specific agreements with clients READ AND SAVE THESE INSTRUCTIONS Fig 1
51. n of rotation of the fan s is the one indicated by the arrow on the impeller see fig 7 Check motor absorption by means of ammeter and make sure it does not exceed the values specified on Chapter DATA SHEET Check the performance of heater thermostats FAN LIMIT and LIMIT2 see Chapter TRI THERMOSTAT Perform a combustion analysis Prepare a power station or plant handbook and record the information required to be disclosed pursuant to the laws rules regulations and standards in force Fig 6 Electrical board for 1Ph and 3Ph Fig 7 Direction of rotation of the fan s Rev4 del 17 09 2013 Pagina 24 TRI THERMOSTAT Three thermostats composed of a FAN LIMIT2 and LIMIT FAN TR fan thermostat normally open to automatic start and stop the fan when the average air outlet temperature reaches a pre set value The set point is fixed by moving the setpoint marker 2 in an internal scale 3 placed inside the TR casing This adjustment must be set to 30 C Setting this value over a delay on fan starting may be caused so increasing fuel consumption and impairing the long life of the heater On the cooling phase the thermostat stops the fan at about 14 C lower his starting point o For all installations EXCEPT for installations such as PRESSOSTATIC structure the fan is operated as described in paragraph FAN TR o For application in PRESSOSTATIC STRUCTURE the FAN must operate continuously The ele
52. n the heater upside down INSPECTIONS BEFORE START UP The heater is equipped with an electrical board which comprises A master switch A HEATING BURNER STOP VENTILATION switch A terminal board Thee signal lamps on the board s door indicate 1 VOLTAGE the board is powered 2 THERMAL RELAYS ON the remote switch s thermal relays have de energized the fan From mod X80 to mod X300 only 3 LIMIT2 ENABLED the safety Limit has de energized the burner Check that the electrical board is properly connected to the single phase power line for models 50 and 65 three phase from mod 80 to mod 300 and that the main power cable has a suitable section for Ampere absorption gt the rotation direction of the fan s is the one shown on the impeller figure 13 the calibration of the remote switch s thermal relays is correct from mod 80 to mod 300 the relevant values In Amperes are shown on Chapter DATA SHEET there are no obstacles on the delivery and on the recovery nozzle which could obstruct air circulation gt the fins of the air delivery nozzles if any not too inclined so as not to reduce their capacity gt the air inlet filters are clean not to reduce the air capacity v v v v Rev4 del 17 09 2013 Pagina 5 OTHER INSPECTIONS IN THE HEATING PHASE Check that 1 The fuel supply pipe to the burner is compliant with the Standards in force Ask the piping installer
53. nd oniy 22051 Configuration temperature control only with automatic changeover of the set point Configuration 3 temperature contro only with cooling and heating set point automatic changeover and manual ON OFF control for outlet fan rn an humidity control T2A Hk f 1 temperature control with set point and dead band oniy 2511 Two set points for hurmidity m z temperature and humidity contral with cooling and heating set point and automatic Active display configuration Used to set the values shown In the lange and small fields on the depla The large held displays the hours and the small held the minutes 15 minute steps Digital Input configuration OFF disabled 1 select remote cooling heating i remote 3 select cay night set alternativo 4 remote alarm Digital contact polarity Used to choose whether to consider the digital Input active when closed or open or alternatively whether or nat there In the opticalhytsolated version vo active du the Input ls closed PO active when the Input Is open sol ated active when ls pee al Control a operating Enables the possibility to define the operating mode coding heating by parameter rather than by DIP 2 dis Parameter El 5 disabled Eu p mode E selected 4 the rear Select cooling heating wiran mode enabled by the previous parameter Selects the mode coding or heating E The Instrument wo
54. put off the burner is signalled by lamp S3 burner peration counter output stage To reset it push the resetting button of the limite RB Control burner relay 1 Remote control switch for fan motor MV1 Remote control switch thermal cutout 1 INSTALLER CONNECTION Te Remote control switch for fan motor MV2 RT Remote control switch thermal cutout Te R1 Timer Fan start Timer Fon Off KIND DF MODIFICATION Rev4 del 17 09 2013 Pagina 29 MAINTENANCE The warm air heater and the burner must be serviced by an authorised service centre or by qualified personnel in compliance with the requirements set forth by law For proper and safe warm air heater operation and for its long life the operations listed below should be carried out at regular intervals Before doing maintenance servicing the appliance disconnect it from mains supply and close fuel supply CLEANING THE HEAT EXCHANGER the heat exchanger must be cleaned from soot and deposits to preserve heat exchange capacity Clean it at the end of each heating season or more often Start up defects could be due to the presence of soot inside the heat exchanger obstructing the exhaust gas line The accumulation of excess soot could depend on a variety of reasons such as faulty draught poor quality fuel lack of air in the burner To clean the heat exchanger proceed as follows FLUES 10 Remove the re
55. rive motor 1 Air outlet 2 Fume box door 3 Burner 4 Burner anchor plate 5 Centrifugal fan 6 Air inlet grille 7 Condensate drain 8 Stack connection 9 Rear fume box 9 1 Front fume box 10 Heat exchanger 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles 16 Frame made of aluminium sections 17 External insulated panels 20 Booth protecting burner and electric components Models from 80 to 200 three phase with fan s drive motor 1 Air outlet 2 Fume box door 3 Burner 4 Burner anchor plate 5 Centrifugal fan 6 Air inlet grille 7 Condensate drain 8 Stack connection 9 Rear fume box 9 1 Front fume box 10 Heat exchanger 11 Combustion chamber 12 Fan motor 13 Fan Limit Limit2 14 Electrical board 15 Air baffles 16 Frame made of aluminium sections 17 External insulated panels 18 Motor s belt tightening slide 19 Pulleys and drive belts 20 Booth protecting burner and electric components Rev4 del 17 09 2013 Pagina 10 Models from 250 to 300 three phase with fan s drive motor 1 Air outlet 2 Fume box door 3 Burner 4 Burner anchor plate 5 Centrifugal fan 6 Air inlet grille 7 Condensate drain 8 Stack connection 9 Rear fume box 9 1 Front fume box 10 Heat ex
56. rks In cooling mode I The Instrument works In heating mode Rev4 del 17 09 2013 Pagina 40 Enabling this parameter allows the outputs to be controlled directly via the serial connection Warning if enabled contral amp performed independently by the Instrument If active and the supervisor does not query the Instrument for more than two minutes the outputs are automatically disabled and the no link error Is signalled on the display no the function Is disabled yES the function ls enabled inside temperature callbration digital sensor NTC Within medmum of 10T 10to 10 Cutside temperature calibration NTC sensor Within a medmum of 10 10 10 Digital humidity sensor calibration Within a maximum of 4 15 rH Parameter access level Level of access the control parameters for the active mode Level 1 basic access only the essential parameters for correct operation Level 2 advanced access used to set all the parameters for the selected control mode Lock The lock parameter used to disable some functions af the Instrument as per the following settings OFF LOC 1 The UP DOCWNM and time bands buttons are disabled LOC 2 Only the time bands button Is disabled In these cases the LOOK symbol shown on the display whenever attempting to perform an unauthorised operation Temperature display mode Sets the temperature display mode in degrees Fahrenheit ar Centigrade Unlike direct
57. s of the week In case of electric feeding s lack rtC real time remains in memory for 2 days maximum The supervisor remote control option purchasing the accessory code IROPZ48500 allows the data from the instrument to be monitored and saved The function of Set Point compensation based on the outdoor temperature probe reading NTC is available For this CLIMA must be connect to the NTC outdoor temperature probe reading option on demand Installation CLIMA regulator is delivered together with the warm air heater and burner with parameters dFA dSA dlF already configured by the manufacturer see par 1 and 2 The installer must set the rtC real time parameter and dAy starting time of day mode nlt starting time of night mode SLP eventually time interval between dAy day running mode and nlt night running mode Disconnect the power supply to the controller and the loads before working on the instrument For correct installation proceed as follows e separate the front panel from the rear part by levering the tab as shown in Figure 2 e Fasten the instrument to the wall horizontally so as to allow the circulation of air For accurate measurements position the instrument away from sources of heat or humidity away from windows or outside walls e Pass the connection cables though the centre hole in the bottom shell and connect them to the terminal block provided observing the markings shown on the label Separate the connection and contro
58. seconds for enter the parameter s menu To scroll the various parameters use v When on a parameter to modifie press SET than modifie with 4 v and confirm by pressing the SET button again For the current parameter on display is possibile change it directly with 4 v To exit the parameters menu press the PRG button Ambient temperature factory Set Point are Set winter day default 20 0 C and night default 18 minimum setting temperature 10 prg CLOCK TIME BANDS Press button PRG parameter rtC is show to scroll the various parameters use v When on a parameter to modifie press SET than modifie with 4 v and confirm by pressing the SET button again To exit the parameters menu press the PRG button Parameters to verifie reset are tC dochh min __ To disable the time bands function set parameter rtC OFF as follows press the PRG button select parameter rtC and change his value into 00 00 than press once more with v to select OFF and press SET to confirm By parameter rtC OFF the function mode is allways day and only day Set Points are operating the night Set Points will be operating af only by pressing button 2 Change of status manual SLP manual changeover duration between dAy day band and nlt night band To change this duration press PRG and scroll v to display SLP Press SET and with y modifie SLP value or eliminate it down to OFF Press SET to confirm To exit the parameters menu pr

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