Installation manual
Contents
1. Pressure bar a 0 3 N 0 1 0 0 2 04 06 08 10 12 14 16 18 20 22 24 26 28 30 Fow n h Characteristic and the resistance graph of boiler pump Installation manual E40C 1 11 2 Secondary system pump If the capacity of the unit pumps is insufficient an extra external system pump can be installed with the appliance Earth N L You must connect the secondary system pump to ports 1 2 and 3 of the connector block mounted on the electronics casing The absorbed current consumption of the secondary system pump may be maximum 275 W 1 2 Amp SECONDARY PUMP OPEN COLLECTOR On command of the printed circuit board an external second system pump will switch with the internal boiler pump simultaneously Note the internal pump will switch high low off 2 stage while the external pump will switch on off 1 stage Coopra Advanced Heating Technologies CHAPTER 2 INSTALLATION 2 1 Mounting the assembly bracket a TT To mount the assembly bracket on a brick wall of sufficient thickness use the screw plugs that are supplied When you have determined the place of assembly proceed as follows Draw the position of the hole 1 in the strap of the assembly bracket Use a masonry drill of 8 mm diameter to drill a hole with a sufficient depth in the wall Keep the hole 1 in the assembly brac2. During de aeration time the burner is off To read the water pressure press the button for at least 10 seconds 4 3 Burner situation 4 3 1 Burner is on When the thermostat is closed heat demand and when the actual flow temperature is 5 C below the setpoint and with no maximum temperature blocking and after 3 minutes anti reciprocal time if applicable 4 3 2 Burner is off When the thermostat is open end of heat demand or when the actual flow temperature is 3 C above the setpoint C on status display or with maximum temperature blocking The actual temperature is 3 C above the maximum permissible flow or return temperature 20 Installation manual E40C 4 4 Water pressure Check the water pressure top up and de aerate as necessary If the water pressure in the installation falls below 0 5 bar the Status display shows a continuous P and the right hand display shows the actual water pressure in bar Solution Fill the system with domestic water The working range of the boiler is between 0 5 and 3 5 bar With lower and higher water pressures the burner is off The boiler is blocked and gives no heat Reading water pressure To read the actual water pressure press the button for at least 10 seconds Press the button briefly to return to normal mode Time out Automatic return to normal operation after 3 minutes Filling Fill the system with domestic drinking wat
3. View mode Single boiler Status Description Coopra Advanced Heating Technologies Installation manual E40C 1 5 Dimensional sketch Dimensions in mm 360 360 D of oo T ol 300 300 135 bi 98 O e be 600 600 49 ee Free Space There must be sufficient space at the top and bottom to be able to suspend the unit and to be able to connect all feed and drain pipes Normally roughly 300 mm is required It is recommended to leave a free space of 150 mm on the left for servicing reasons and 50 mm on the right of the unit The front of the unit must be easily accessible for servicing at all times Coopra Advanced Heating Technologies Installation
4. 2 Installation manual E40C 7 6 7 Gas air mixture is not correctly adjusted See the chapter concerning the adjustment full load and low load 7 6 8 Inspection ionisation probe cleaning Unplug the plug of the ionisation probe low voltage Remove the two screws from the ionisation clamp Remove the ionisation probe from the lid of the heating unit Check the ionisation probe The ionisation probe must be straight and clean a slight deposit is normal Clean or replace the ionisation probe 7 6 9 Temperature sensors The temperature sensors are NTC thermistors of 12kOhm ambient of 25 C NTC thermistor type 2322 640 90206 single 2 wire 12KOhm by 25 C range 20 105 C tolerance 3 by 60 C Electrical circuit T ea Te inn Ceo ee id ue Oona eae ae Su EEDEN an rg Nam oe ee eo it CONS TN d UE Ar Te nk M RE Sodi 14000 12000 10000 8000 de 6000 ISE 4000 a Awa am R IT aie Da HA AA ns ET CH FAT pate 0 Re 2000 TA CE o 10 2025300 4 Resistance diagram Resistance table Coopra Advanced Heating Technologies Installation manual E40C Kiwa Nederland B V Wilmersdorf 50 P O Box 137 7300 AC APELDOORN The Netherlands www 1kiwa com GASTEC CN N PRODUCTS RvA C 002 ad kiwa a Partner for progress Number 62292 Replaces ep Issued 24 05 201 1 Scope 2009 f 142 EG 92 42 EEC Report number 1 71 070 PIN 0063AT3
5. A lockout state is indicated by a blinking letter or number on the left display character position Depending on the lockout state the right characters of the display are empty or have extra information regarding the lockout state The Alarm output is active and the running LED on the display left hand side blinks To reset the system after a lock out press and hold the Set Reset button for more than 1 second some lock out situations can only be removed by power restoration Note With repeating failures in short period of time always let your installer or maintenance man check and repair unconditionally Coopra Advanced Heating Technologies Installation manual E40C Status Reading 1 3 1 Normal state continuous code With initialisation and after restoration of supply power de aeration programme runs for 2 minutes The boiler pump and 3 way valve if applicable switch several times with the purpose to move eventual air out of the boiler burner off flashing Chimney sweeper function ionisation current on the right hand segments 1 3 2 Blocking state continuous code Status Reading Return sensor temperature 5 C above flow sensor temperature pump on burner off Combi boiler internal tank sensor not connected or open parameter H 01 Combi boiler internal tank sensor shortcut fault parameter H 01 Flow or return sensor temperature gt 95 C Flue gas sensor temperature gt 100 C oO Ss Ho
6. C Basic temperature 10 00 nn n OC Slope lo 99 OE 1 Day ri reference temperature it 0 90 C lr HWU U UOODI GG E7 LI Outdoor summer switch temperature 1 50 C Return to Factory setting Type of application Press button for at least 5 seconds Note some settings do not return z z customised setting 0 Regulation on temperature 1 Regulation on boiler output _ soon ARR O power mode input 14 6 kW 74 0 kW Le 00 comfort mode input 7 3 kW 74 0 KW Storage cylinder max flow temperature 65 90 C o automatic Configuration 0 10V input Configuration of TWIN Configuration pump 2 stage pump regulation Notes 1 Active when H 1 2 Active when H 2 or H 3 or H 4 3 Active with outdoor sensor 4 TWIN only Coopra Advanced Heating Technologies Installation manual E40C 1 4 1 View mode At the end of the menu structure the view mode is shown The view mode is a reading only entry no parameters can be changed in here The view mode is to enter directly Press the button for at least 10 seconds First upcoming is the water pressure P u in the Reading display on the right hand segments is the actual water pressure in bar Press the Set Reset button to next parameter To switch out of the view mode press the button shortly or after timeout When the keys are untouched for 3 minutes the system will switch out of the view mode automatically
7. 0 5 bar low level the regulation blocks with a P and actual water pressure on the display The status shows alternately the P and the normal status on the display 24 Installation manual E40C This block is automatically removed when the water pressure goes above 0 6 bar If the water pressure is greater than 3 5 bar the regulation blocks with a P and actual water pressure on the display The status shows alternately the P and the normal status on the display This block is automatically removed when the water pressure goes below 3 4 bar 5 10 Flue temperature sensor If the flue gas temperature sensor becomes above 100 C the burner is blocked off The display status is continuous A When the flue gas temperature goes below 80 C the blocking action will be removed automatically If the flue gas temperature goes above 105 C the regulation runs into lock out flashing indication A If the flue temperature sensor measures a temperature below 25 C the regulation runs into lock out flashing indication 4 5 11 Limiter If the flow temperature goes above 105 C when the burner is off the regulation will lock with a continuous H Burner action is restored automatically when the actual flow temperature is 5 C below the setpoint default 82 C If the flow temperature goes above 105 C when the burner is on the regulation will lock out with a flashing H
8. 25 C 3000 bu 0 i FE v bce E Lit A opeutluri Conho gt 9 OpenTherm contro with outdoor sensor The value of the outdoor sensor connected to the green connector block ports 3 4 is sent to the PCB The PCB passes on the outdoor sensor value to the OpenTherm control which calculates the setpoint with the value of the outdoor sensor and sends the setpoint to the boiler 3 2 3 0 10V control i by Ports 1 2 of the green connector D _ block must be open a 0 10V control You must connect the 0 10V control to of the connector block mounted on the electronics casing ports 6 and 7 In the menu structure you can set the configuration either on temperature or on heating power parameter u The 0 10V control sends the setpoint value to the boiler x 3 Coufsurahor ob eaha powa ris MA Ml S D Seb p oink In P_ _ i LL ieee bg x Core Er 3 a lo wht couhwl 25 pC 90 ME Sal LL CE Ph p Cl 3 hs lar amuler Uz yaa Bes sae vm M ET AE LL LI Installation manual E40C 3 2 4 Outdoor sensor When using the outdoor sensor the option of OpenTherm control expires When using the outdoor sensor the option of 0 10V control expires Connect the outdoor sensor NTC of 12kOhm 25 C to the green connector block ports 3 4 a Take in account by placing the sensor that sunshine c
9. O CN11 10 CN5 9 Os PE CN4 4 O Safety limit ds O CN10 1 O CN10 10 CN1 7 Om PC connection O CN15 Pump 2 CN1 6 O CN4 5 O EE CN2 5 O gt V CN2 3 O OpenTh ss CN11 6 penTherm GND Cents CN2 1 Om e Fan CN2 2 O A CN2 4 O RS 485 GO CN11 7 CN4 2 O pE Twin Zone _ B O CN11 14 GND O CN11 12 CN8 L O CN5 2 CN5 5 O D N O CN5 1 CN5 6 O HSI O PE C CN4 1 BURNER simultaneous activation of both relays must be avoided DATE 07 0510 DRAWN EV 100507 Optional sensor S7 added SCALE 1 1 UNIT na 100115 E Water pressure switch replaced by sensor FILE 0585303 ASE mkd PAGE 091110 New Revision board 303 COPYRIGHT ACCORDING TO LAW m 11 Installation manual E40C Coopra Advanced Heating Technologies 1 7 Operation 1 8 2 Technical characteristic burner sm 7 Ke ey Ak CHERE OIL TT id CET D venturi A fan sucks the air required for the combustion through the air feed canal A Because the combustion air in the venturi sucks an under pressure the correct amount of gas G is automatically added to the combustion air The flammable gas air mixture thus obtained is fed to the burner via a mixing chamber to be ignited at the surface of the burner by a ceramic glow plug The hot combustion gases are efficiently fed through the heat exchanger where they give their heat to the water The flue
10. air adapter 60 100 mm 2 9 Suspension 2 10 Green connector block CHAPTER 3 REGULATIONS 18 3 1 Central heating regulations 3 1 1 Modulation on flow sensor 3 1 2 Modulation on return sensor 3 1 3 Modulation on system sensor 3 2 Thermotats 3 2 1 On off room thermostat 3 2 2 OpenTherm control 3 2 3 0 10V control 3 2 4 Outdoor sensor Installation manual E40C CHAPTER 4 COMMISSIONING 20 4 1 Supply connection 4 2 Mains switch 4 3 Burner situation 4 3 1 Burner is on 4 3 2 Burner is off 4 4 Water pressure 4 5 Gas Air Ratio 4 6 1 Full load 4 6 2 Low load 4 7 Changing over to LPG G30 G31 4 7 1 Full load on LPG G30 4 7 2 Low load on LPG G30 4 7 3 Labelling CHAPTER 5 BURNER DEMAND and MONITORING Delia ade 23 5 1 Standby 5 2 Pre purge 5 3 Ignition 5 4 In operation 5 5 Post purge 5 6 Pump after run 5 7 Lock out 5 8 Frost protection 5 9 System pressure monitoring 5 10 Flue temperature sensor 5 11 Limiter 5 12 Glow plug protection CHAPTER 6 PERIODICAL MAINTENANCE 25 6 1 Check the CO2 percentage on full load 6 2 Check the heat input 6 3 Clean the condensation water drain 6 4 Check the ionisation current 6 5 Water pressure 6 6 Service mode CHAPTER 7 MALFUNCTIONS 26 7 1 Serial connection 7 2 No signal on the display 7 3 Boiler does not respond to heat
11. boiler After you have placed the boiler fit the concentric pipes onto the 60 100 mm adapter Installation manual E40C 2 9 Suspension Place an O ring in the middle of each of the connections present Remove the sealing caps from the pipes of the boiler Keep the boiler straight against the wall at about 5 cm above the site of the mounted assembly bracket or the assembly cabinet Press the boiler into the guide and let it drop carefully so that the hook on the suspension bracket falls into the opening at the rear of the boiler and the pins at the bottom of the boiler fall in the corresponding openings in the suspension bracket Here the connection pipes of the boiler fall over the connection points of the suspension bracket Firmly tighten the union nuts of each of the connections present with the aid of a spanner SLW 30 starting from the right hand side 2 10 Green connector block The connections of the green connection block right hand side down under the boiler are all volt free contacts Therefore do not connect voltage onto them Connection for On off room thermostat or OpenTherm control automatic recognition Br Ports Connection for y 3 4 outdoor sensor of 12 kOhm Connection for storage cylinder Ports with sensor of 10 kOhm or een 5 6 sensor 12kOhm or on off cylinder thermostat Coopra Advanced Heating Technologies CHAPTER 3 REGULATIONS 3 1 Central heating regulati
12. demand 7 4 Fitting instructions for the pressure sensor 7 5 Fitting instructions for the safety valve 7 6 Malfunction code F flashing 7 6 1 Gas control will not open no voltage 7 6 2 Gas control will not open gas inlet pressure high 7 6 3 Gas control will not open coils defective 7 6 4 Check function of gas control 7 6 5 Check glow plug no ignition 7 6 6 Check the fan impedance 7 6 7 Gas air mixture is not correctly adjusted 7 6 8 Inspection ionisation probe 7 6 9 Temperature sensors GCE GCertificate a RM LR E 28 Coopra Advanced Heating Technologies Installation manual E40C CHAPTER 1 GENERAL Use of application The appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance General safety regulations The installation may only be performed by a recognised installer Take note that internal parts of the boiler can carry a dangerous electrical voltage 230 Volt Take note that the boiler the various pipes and the flue gas exhausted by the boiler can reach high temperatures up to 90 C Before carrying out maintenance activities in or on the boiler you must close the gas tap switch off the ele
13. installation of the boiler all local regulations must be followed where applicable including the provisions of the following standards and guidelines e Building Regulations Regulations for natural gas installations Regulations for LPG if applicable Guidelines for existing gas installations Safety requirements for heating installations Safety provisions for low voltage installations General regulations for drinking water installations Water authority regulations Ventilation in dwellings Supply of combustion air and exhaust House sewerage in homes and dwellings Fire Brigade regulations Factory Act regulations Conditions of delivery Coopra Advanced Heating Technologies b v supplies its products according to the general conditions of delivery for the metal and electro technical industry Registered with the Clerk of the District Court at Den Haag on 19 October 1998 under no 119 1998 Coopra Advanced Heating Technologies 1 1 Display Open the door of the casing for display operation On the Status display is the status indication shown On the 3 right segments the Reading display values of the temperature pressure etc are shown Status Readina Status Set Reset button button Set Reset Push buttons from left to right MIN PLUS and Set Reset Left of the Status display is a LED informing the situation of the boiler LED is ON burner is ON LED is OFF burner is OFF LED is FLASHING boiler
14. start because the gas supply is blocked by the venture screw turned fully clockwise on its seat When the venturi adjusting screw 1 blocks on its seat gas flow is blocked ATTENTION A VENTURI ADJUSTMENT SCREW e Turning the venturi screw clockwise to decrease the CO value less gas e Turning the venturi screw anti clockwise to increase the CO value more gas Unscrew the venturi adjusting screw half a turn anti clockwise Try to start the appliance using chimney sweeper function Unscrew the venturi adjusting screw another half a full turn anti clockwise Try to start the appliance Repeat till the boiler starts IMPORTANT v A guide for the dimension from the top of the screw to the top of the support is 16 5 mm for LPG G30 G31 Read the CO value on the flue gas analyser If the value does not correspond with the value for Butane G30 9 8 CO carefully adjust the venturi screw until the correct value is obtained 22 Installation manual E40C 4 7 2 Low load on LPG G30 Activate the chimney sweeper function on low load Check the CO2 value at low load on Butane G30 9 2 CO If the gas control is already properly adjusted for natural gas then the low load will not need to be adjusted When needed Re adjust the gas control screw until the correct value is reached Please note the adjustment with the gas control adjusting screw is very sensitive Hardly any turn makes a l
15. top of the vapour tray First remove the rubber sealing plug rinse the vapour tray and drain with clean tap water When no more impurities are removed the vapour tray is clean 25 Installation manual E40C 6 4 Check the ionisation current The ionisation current in HA DC can be read on the display directly with the chimney sweeper function Full load Correct ionisation current 3 uA DC to 8 uA DC Low load Correct ionisation current 1 5 uA DC to 8 uA DC With insufficient ionisation current check the ionisation probe When the ionisation rod is filthy or has an insulating layer simply clean the probe with fine sandpaper 6 5 Water pressure Check the water pressure by pressing the plus button more than 10 seconds On the display comes up the actual water pressure in bar The working range is between 0 5 and 3 5 bar If needed top up with domestic water fill and vent Advised fill pressure is between 1 5 2 0 bar 6 6 Service mode This function for service purposes only has priority over both the central heating and hot water regulations Maximum flow temperature with this mode is 85 C Maximum service time is 10 minutes The chimney sweeper function is activated by simultaneously pressing the plus and the min buttons of the display for more than 10 seconds The actual ionisation current can be seen on the right hand Segments of the display mimi Press the button briefly to go to
16. type 30 40 Vapour tray Coopra Advanced Heating Technologies Installation manual E40C 1 6 Connection diagram general SITGroup S S LT Controls B V Type BIC 0 585 303 a LILI T si II Outside temp ss CN11 2 CN7 O S4 O CN11 9 S4 n O CN12 4 nero C O CN12 10 MMI 0 585 503 T L Outlet temp Fi Nes ci SE S1 O CN12 9 r CN3 6 Om O CN11 5 _ CNB 5 O fish Ki a P H L SA O CN11 12 _ _N3 3 O ahi aaa CN3 4 Om E low CN1 4 Tank temp GO CN11 1 O a i S6 ane CN4 6 O PWM oN RO ads Pump PWM Flue Dub T CN10 18 Om S5 C O CN12 6 O CN12 12 CN14 3 O SP 2 T OQO O CN12 5 CI DHW temp gt LO Indication S3 C O CN12 11 re LO CN14 1 O Alam O CN14 2 O Running aa 24V O CN12 2 Water pressure sensor in O CN12 1 CN1 2 Om GND O CN12 7 CN1 1 0 Three way valve CN1 3 O 5 CN4 3 O CN5 10 Om 0 10 V input ms o s A Gas valve G
17. 070 Contract number E DLE 70 EC TYPE EXAMINATION CERTIFICATE Kiwa hereby declares that the Central Heating Boilers types x 15B x 15C x 35C x 37B x 37C x 37K x 40C x 80C manufactured by Coopra AHT B V Dordrecht The Netherlands meet the essential requirements as described in the Directive 2009 142 EC relating to appliances burning gaseous fuels and the Directive 92 42 EEC on efficiency requirements Appliance types B23 C13 x C33 x C43 x C53 C63 x C83 x Appliance categories 2H DPE DE DE S PELLE CE BBIE DB Countries Austria Finland Lithuania Slovakia Belgium France Luxembourg Slovenia Bulgaria Germany Malta Spain Croatia Greece Netherlands the Sweden Cyprus Hungary Norway Switzerland Czech Republic Ireland Poland Turkey Denmark Italy Portugal United Kingdom Estonia Latvia Romania Kiwa Nederland B V kiwa Approved h EC Directive Bouke Meekma Director 2009 142 EC 92 42 EEC G A S T E lt 28 Coopra Advanced Heating Technologies Installation manual E40C 29 Coopra Advanced Heating Technologies Installation manual E40C 30 Coopra Advanced Heating Technologies Installation manual E40C 31 Coopra Advanced Heating Technologies Installation manual E40C 2011 Coopra Advanced Heating Technologies b v All rights reserved Nothing from this document may be duplicated and or made public by means of printing photocopy microfilm or in any other way without prior wr
18. 5 12 Glow plug protection The glow plug protection counter is incremented at each ignition This counter is decremented per minute If this counter is too high burner start is delayed to protect the glow plug for overheating by to many start attempts repeatedly Coopra Advanced Heating Technologies CHAPTER 6 PERIODICAL MAINTENANCE A High voltage The wiring of the pump the three way valve fan and wiring of the gas control can be under high voltage of 230 Volt After the first year have a recognised installer or maintenance man to inspect the boiler He should be ascertaining the maintenance deadline on the basis of the inspection and circumstances The condensation water drain must be cleaned each second year 6 1 Check me ASE percentage on full load WIR The nominal value for natural gas at full load is 8 8 CO2 chimney sweeper function The boiler does not need to be cleaned if the measured CO percentage at full load is within 8 8 CO and 9 4 COs A load drop can be the consequence of a clogged boiler flue gas channel heat exchanger or air intake channel Check whether this is the case by measuring the heat input on high load chimney sweeper function If the gas consumption equals 10 the nominal heat input then the boiler works normally There is no clogging 6 3 Clean the condensation water drain Always clean the trap siphon year There is an opening for this purpose on the
19. COOPra ADVANCED HEATING TECHNOLOGIES N Installation manual Boilers with printed circuit board type 585 40C Gas boiler for Heating E40C 2011 585 E Coopra Advanced Heating Technologies CONTENTS CHAPTER IL OENERAL ssh 3 Use of application General safety regulations Environmental conditions Water quality Standards Guidelines Conditions of delivery li DIS DIAY ses IN 4 1 2 PCB configuration 1 3 Operation indications 1 3 1 Normal state 1 3 2 Blocking state 1 3 3 Lock out state 1 4 Menu Structure 1 4 1 View mode 1 5 Dimensional sketch 1 5 1 Technical data 1 5 2 Boiler components 1 6 Connection diagram 1 7 Operation 1 8 Boiler types 1 8 1 Coopra 40C 1 8 2 Technical characteristic 1 9 Electricity connection 1 10 Configuration of flue tube and air supply 1 10 1 Permitted flue resistance Type 40 1 11 Circulation pumps 1 11 1 Boiler pump 1 11 2 Secondary system pump CHAPTER 2 INSTALLATION 15 2 1 Mounting the assembly bracket 2 2 Water and gas connections 2 2 1 Gas connection 2 2 2 Water connections 2 2 3 Safety valve and Draconin connection 2 3 Expansion vessel 2 4 Filling and draining device 2 5 Dirt filter 2 6 Differential bypass valve 2 7 Unpacking the boiler 2 8 Fitting the flue tube and air supply 2 8 1 Connecting flue and air 2 pipe system 2 8 2 Connecting flue air adapter 80 125 mm 2 8 3 Connecting flue
20. an influence the reading temperature of the outdoor sensor significantly The setpoint is calculated by the actual outdoor temperature and in the menu structure adjustable parameters The outdoor sensor sends the setpoint value to the boiler E A ILL N isan fate ATTIN T SIIN a O d 40 C default Flow temperature C O b 40 C default 20 30 40 Outside temperature C Coopra Advanced Heating Technologies CHAPTER 4 COMMISSIONING 4 1 supply connection If the boiler is provided with a supply cord and a plug the appliance must be positioned so that the plug is accessible If the boiler is not provided with a supply cord without a plug the supply must have a contact separation of at least 3 mm in all poles If the supply cord is damaged it must be replaced by the service agent or similarly person in order to avoid a hazard De electrical connection 230 VAC must have a good Phase Zero and Earth The Earth is absolutely necessary for the function of the appliance If you do not have the required supply connection in that case it must be made 4 2 Mains switch To power up the appliance the mains switch positioned down under the boiler must be switched on and light up De aeration program After restoration of supply power both the boiler pump and 3 way valve are switched several times with the purpose to move eventual air out of the boiler The de aeration program lasts for 2 minutes
21. arge change in the CO2 value A GAS CONTROL ADJUSTING SCREW e Turning the venturi screw clockwise to increase the CQ value more gas e Turning the venturi screw anti clockwise to decrease the CO value less gas ATTENTION 4 7 3 Labelling After changing over to LPG gas label the boiler corresponding the new setting Umgestellt auf Fl ssiggas G31 50 mbar Unterschrift Datum Coopra Advanced Heating Technologies CHAPTER 5 BURNER DEMAND and MONITORING 5 1 2 2 59 Standby Pre purge Ignition O n one gas valve J ES ES ES PS PS PS PE A ee glow plug a tt t Osecit S3sec t sec 5 1 Standby Fan off Gas valve on Glow plug off lonisation off During the standby a check is made to see if there is burner demand If so the boiler will go over to pre rise If the glow plug counter is too high the boiler made too many starts repeatedly the regulation blocks the burner demand Once per hour if there is no heat demand the difference between flow and return temperatures must be less than 5 C If this is not the case the pump will be switched on and a check will be made for a maximum of 10 minutes to see whether the temperature difference goes to within 5 C If a false flame signal is detected during standby for more than 5 seconds the regulation runs into lock out flashing indication 8 5 2 Pre purge Fan on Gas valve on Glow plug on lonisation off T
22. between Venturi screw and the Top ofthe venturi stud is an indication v 12 5 mm for natural gas G25 v 14 0 mm for natural gas G20 v 16 5 mm for LPG gas G30 G31 4 6 2 Low load Activate the chimney sweeper function on low load Read the CO value on the analyser If the value does not correspond with the value in the CO setting table carefully adjust the gas control adjusting screw 2 To do this temporarily remove the cap 3 with the aid of a Torx screwdriver ATTENTION GAS CONTROL ADJUSTING SCREW e Turning the venturi screw clockwise to increase the CO value more gas e Turning the venturi screw anti clockwise to decrease the CO value less gas The adjustment with the gas control adjusting screw is very sensitive Hardly any turn makes a large change in the CO2 value Coopra Advanced Heating Technologies 4 7 Changing over to LPG G30 G31 A Turn the venturi adjusting screw fully clockwise until it blocks On LPG the adjustment must start from the situation No Gas FIRST Be aware that a boiler set on natural gas will give with LPG an explosion in the burner damaging the mixing plates Proceed as follows Fit a flue gas analyser CO analyser in the measurement opening of the flue tube CO setting At full load At low load Butane G30 9 8 COs 9 2 CO 4 7 1 Full load on LPG G30 Activate the chimney sweeper function on full load In first instance the burner does not
23. ctricity supply and pull the mains plug out of the socket Environmental conditions The area in which the boiler is installed must satisfy the applicable regulations The wall must be able to bear the weight of the boiler loaded weight approx 40 kg If you use a different assembly surface than a bricky wall of sufficient thickness you must select suitable fixtures yourself and properly install the boiler The boiler may not be fitted in a chemically aggressive environment The boiler with air feed and flue gas exhaust satisfies the requirements of protection class IP44 and may therefore be installed in a wet area Although the boiler is fitted with an internal frost protection it may not be exposed to extremely low ambient temperatures lower than 10 C Water quality Fill the system with tap water The composition and quality of the system water has a direct effect on the performance of the total system and the life of the boiler At own risk is the addition and use of chemicals water softeners oxygen binders de aerators aerators and water filters as they increase the chance of malfunctions Generally the build up of undesired deposits can lead to leakages with fatal damage No warranty when corrosive elements of certain additives have attacked the boiler Regulations applicable to hot water Ask for the locally applicable regulations at the local water company as they are different in some areas Standards Guidelines With the
24. em sensor is between 24 C and the value of parameter C In the menu structure you can set the maximum permitted system temperature with parameter C default 82 C The burner blocks when the maximum permitted system temperature parameter C parameter C r is reached The burner blocks also when the boiler flow sensor or boiler return sensor reaches a temperature of 90 whatever parameter C has been set to 3 2 Thermostats 3 2 1 On off room thermostat d You must connect the on off thermostat to the green connector block ports 1 a AH The setpoint is made by the on time and the off time of the room thermostat Increasing setpoint With heat demand the thermostat is closed and the setpoint desired boiler temperature rises at a rate of 6 C per minute from 25 C until the maximum permitted temperature is reached parameter C Falling setpoint With end of heat demand is the thermostat open and the setpoint falls at a rate of 3 C per minute to the minimum heating temperature of 25 C Coopra Advanced Heating Technologies 3 2 2 OpenTherm control You must connect the OpenTherm control to the green connector block hf ports 1 2 The setpoint is calculated by the actual ambient temperature and the temperature set The OpenTherm control sends the setpoint value to the boiler Jor LA 290 05 gec Czpo us qu e Le 90 25 50 C x 230
25. er Fully open all radiator taps Connect the water supply tube to the filling and draining device in the central heating system Fill the water supply tube with water Let the air in the water supply tube escape because you want to fill the system with water instead air Connect the fully filled water supply tube to the water tap Open both water taps with caution and fill the system Advised is a fill pressure between 1 5 2 0 bar Close after filling the filling tap and remove the water supply tube After filling the installation must be vented Venting Follow instructions of your installer of how to vent the system elements of the installation Take care all pumps are off Running water can move the air through the system constantly During the venting process you also may put the appliance mains switch in the supply cable off Open the air bleed cocks of the radiators one at a time Use an air bleed key for this As soon as water comes out of the air bleed cock shut the cock off again Air in the boiler can cause a malfunction of the boiler Vent the boiler the HWS hot water cylinder or internal tank of Combi boiler After venting of the system the appliance and pumps must be connected to the mains and be switched on Coopra Advanced Heating Technologies 4 5 Gas Air Ratio 1 Venturi screw Full load adjustment Turn the venturi screw anti clockwise to increase the CO val
26. et Reset button for longer than 10 seconds The menu mode opens with the password mode h 10 To unlock menu structure make h 18 use the and buttons To go to the first parameter press the Set Reset button To change the parameter value use the and buttons To go to the next parameter press the Set Reset button To save altered parameter settings walk through the complete menu with the Set Reset button until normal status indication appears Timeout When inside the menu structure the keys are untouched for 3 minutes the system will switch back to the normal status indication Settings are not saved Status Description Range Factory parameter setting ac Heating max flow temperature 25 90 C 0 Regulation on flow sensor default C r Modulation option 1 Regulation on return sensor or regulation on system sensor Oo Heating pump after run 1 25 min CO 24uur 2 Standalone for single boiler Boiler application 1 Slave for TWIN right hand PCB 2 0 Master for TWIN left hand PCB 00 Adjustment for heating only 01 Combi boiler with internal DHW tank 02 HWS storage cylinder 12kOhm use for large volume cylinders 03 HWS storage cylinder 10kOhm use for large volume cylinders 04 HWS storage cylinder 12kOhm use for small volume cylinders Setpoint temperature Combi boiler _ 40 C 69E a Un _ Hold temperature internal tank _ 40 C 65 poe ae Setpoint temperature storage cylinder 25 70
27. etting is 2 5 3 0 Lock the screw on the groove knob Coopra Advanced Heating Technologies 2 7 Unpacking the boiler Before unpacking the boiler check whether the type of gas to be used corresponds with the specification on the packing If you have any questions contact your supplier To prevent back injury take account of the fact that the weight of the boiler is roughly 35 kg 2 8 Fitting the flue tube and air supply LI Ah LA 2 8 1 Connecting flue and air 2 pipe system When the flue tube and air supply are connected eccentrically proceed as follows Fit the flue adapter in the boiler flue gas pipe and check weather the flue adapter seals in the sealing ring of the boiler flue gas outlet Connect the flue channel to the flue adapter Fit the air supply pipe in the rubber bellows and seal with the hose clip 2 8 2 Connecting flue and air Concentric adapter 80 125 mm When the flue tube and air supply are connected concentrically proceed as follows Fit the 80 125 mm adapter onto the boiler before you place the boiler After you have placed the boiler fit the concentric flue air pipes onto the 80 125 mm adapter 2 8 3 Connecting flue and air Concentric adapter 60 100 mm When the flue tube and air supply are connected concentrically proceed as follows Fit the 60 100 mm adapter onto the boiler before you place the
28. f Glow plug off lonisation off Pump The pump remains running mixing the system water for a certain period of time 5 7 Lock out Fan on off Gas valve off Glow plug off lonisation off Alarm contact on A lock out situation can be reset by pressing the Set Reset button on the display for more then 1 second Fan At the beginning of being in this state the fan is running 2700 rpm only if the reason was a temperature problem After a fixed time of 1 minute the fan switches off Pump The pump is running over the central heating circuit at high speed The 3 way valve if applicable was directed in position of central heating circuit Alarm The alarm on the display is on flashing LED 5 8 Frost protection If the flow sensor temperature becomes below 8 C and if there is no heat demand the pump is on and runs over the heating circuit The display shows continuous o If the flow temperature goes below 3 C the burner is on in low load When the return sensor temperature is above 10 C the frost protection is finished When an outdoor temperature sensor is connected to the boiler and the outside temperature becomes below 4 C the pump is on and runs over the heating circuit This situation is removed at an outside temperature of 2 C 5 9 System pressure monitoring The boiler is in working mode when the system water pressure is between 0 5 and 3 5 bar If the water pressure is less than
29. gases are fed outside through the flue tube F into a flue tube exhaust canal The condensation water H2O thus obtained is discharged into the sewer 1 8 Boiler types The Coopra boiler is a heating unit with compact dimensions and a very high efficiency with versions for domestic use for heating or in combination with domestic hot water The type plate which specifies the type of gas etc to be used for which the boiler is set is on the left side of the boiler The boiler is fixed to the wall with the aid of a separately delivered assembly bracket or rear cabinet 1 8 1 Coopra 40C High efficiency boiler for heating only L m m ase I I Boiler type 40 Burner ports 130 mm Sset02 Burner type30 40 gt ibe ee Diameter inlet 25 mm Sset51 Venturi type 40 Coopra Advanced Heating Technologies 1 9 Electricity connection There must be an electrical outlet with Earth connection available at a maximum distance of 1 m from the boiler The electricity connection 230 VAC must consist of Line Neutral and Earth A good Earth connection is a requirement for good operation of the boiler 1 10 Configuration of flue tube and air supply The boilers are approved for appliance types B23 C13 x C33 x C43 x C53 C63 x C83 x Preferably use flue tube materials roof ducts and exterior wall ducts with a quality mark The material of the flue gas exhaust
30. he pre purge time is defined as the time that it takes for the fan to be in the range of the setpoint value for a fixed amount of time The ramp up of the fan speed is not part of the pre purge time The difference between flow and return temperatures must be less than 20 C before each burner start Fan The fan is switched on at purging speed 1800 rpm After a few seconds the fan goes from purging speed to the faster ignition speed 2900 rpm When the measured fan speed deviates from the desired speed the regulation blocks When this situation lasts for more than 60 seconds the regulation runs into lock out flashing indication 5 23 Installation manual E40C 5 5 Post purge 5 1 Standby 5 4 In operation 5 6 Pump x run Gas valve The gas valve is still closed during pre purge time Glow plug The glow plug is switched on for the last part of the pre purge time Pump The pump is running controlled by the heat demand of the firmware 5 3 Ignition Fan on Gas valve on Glow plug on off lonisation off on Fan The fan is running at the ignition speed 2900 rpm Gas valve The gas valve is on and allows gas to flow Glow plug The glow plug is on till an ionisation signal is measured If there is no ionisation at the end of the safety time a new attempt at ignition will be made if this was not the last permitted third attempt at starting The safety time is defined as the time that the gas
31. ightened slightly more than hand tight 7 5 Fitting instructions for the safety valve The safety valve must be tightened with a torque of 10 Nm 7 6 Malfunction code F flashing After three failed attempts in a row the boiler will lock flashing F This can have very different causes e nogas e no ignition e bad flame formation e bad ionisation current 7 6 1 Gas control will not open no voltage A BE CAREFUL 210 VDC If the gas control is not connected the Manager will see this at the beginning of the heat demand as a malfunction and therefore lock To measure the voltage on the gas control the gas control must remain connected During the starting period the gas control is connected to a voltage of 210 VDC 7 6 2 Gas control will not open gas inlet pressure too high The gas pressure in the gas pipe before the gas control is too high The safety valves of the gas control cannot open with gas pressures of gt 60 mbar e open the inlet pressure nipple of the gas control e connect the pressure meter e measure the gas pressure 10 50 mbar 7 6 3 Gas control will not open coils defective The electrical coils of the gas control are burnt out and the safety valves of the gas control will therefore not open The two outermost contacts on the gas valve should be e I measured for resistance The value N the musici should be at ambient temperature of 20 C about 4 1 kOhm C
32. is in LOCK OUT Right of the Reading display is a LED active for TWIN boilers only 1 2 PCB configuration Parameter A 2 is for single boilers 15B 15C 37K 37B 37C and also 40C Parameter A 1 is for TWIN boiler 80C set as SLAVE Parameter A 0 is for TWIN boiler 80C set as MASTER Parameter H is to set for correct type of application Installation manual E40C 1 3 Operation indications To protect the system from the result of failures and or excessive conditions several protection functions are implemented 1 3 1 Normal state The boiler is stand by or heating During heating the burner may be switched off temporarily when the regulated water temperature is above setpoint 1 3 2 Blocking state Blocking protection is used when a certain condition must block the system during this condition but when this condition is not valid anymore the system automatically may run normal again A blocking state is indicated by a fixed letter or number on the Status display Depending on the blocking state the Reading display is used normal or can have extra information regarding the blocking state The blocking state cannot be reset by the user The control automatically goes to normal state when the conditions are normal again 1 3 3 Lock out state Lock out protection is used when a certain condition must lock the system until the user resets the system These conditions are often more safety related then blocking conditions
33. itten permission from the manufacturer This also applies to the appropriate drawings and or diagrams The information supplied in this document is based on general data with regard to constructions material characteristics and working methods known at the time of going to print Therefore we reserve the right to make changes without notification For this reason the instructions given serve only as a guideline for the installation use and maintenance of the boiler shown on the cover of this document This document is valid for the boiler in its standard version Therefore the manufacturer cannot be held liable for any damage arising from specifications that deviate from the standard version of the boiler delivered to you This document has been compiled with all possible care However the manufacturer cannot be held liable for any mistakes in this document or for any consequences Take the time to read this document carefully before installing or using the boiler Always keep this document near the boiler COOPRA Advanced Heating Technologies b v Vierlinghstraat 14 3316 EL Dordrecht Tel 31 78 6530835 Fax 31 78 6530833 Email info coopra aht nl Internet www coopra aht nl 32
34. ket in front of the hole in the wall and fit one of the screws supplied through the assembly bracket in the hole Align the assembly bracket with the aid of a spirit level Use amasonry drill of 8 mm diameter to drill holes with a sufficient depth in the wall through the two bottom holes 2 in the assembly bracket Fit two of the screws supplied in the bottom holes Fix the assembly bracket firmly by tightening all screws Installation manual E40C 2 2 Water and gas connections 1 Heating return 2 Heating flow 3 Gas connection 4 Draconin connection 2 2 1 Gas connection Connect the gas pipe to connection 7 Install the gas pipe stress free Include an approved stopcock in the pipe Carefully blow the gas pipe clean 2 2 2 Heating water connections Connect the heating return pipe to connection 1 Connect the heating flow pipe to connection 2 Install a filling and draining device in the heating system Stopcocks must be fitted in the heating return pipe 1 and the heating flow pipe 2 The heating return pipe 1 must be fitted with a suitable expansion vessel If it may be expected that the heating water will be severely contaminated by under floor heating fitting is a 2 kg dirt filter in the return pipe is recommended Coopra cannot give a guarantee for damage to the unit that is caused by dirt in the system A differential bypass valve must be instal
35. led on plants where it may happen that various radiators are simultaneously excluded from the circuit because of closure of control or zone valves Before connecting the unit rinse the system completely to remove all contamination Coopra Advanced Heating Technologies 2 2 3 Safety valve and Draconian connection The boiler has been provided with electronics that block the burner at a water pressure of 3 5 bar When the water pressure rises further the safety valve will open at a water pressure of 3 7 bar The discharge 4 under the boiler should determinate facing downwards exterior to the building in a position where discharging water will not create danger or nuisance but remains in a visible position There must be a connection for the removal of the condensation water to the drain This connection must be fitted with a trap to prevent smell problems A tundish connection must be made because of possible overpressure or under pressure in the drain Fit the condensation drain pipe 8 inner diameter 40 mm minimum several centimeters left of the gas pipe 2 3 Expansion vessel In the heating return pipe as near as to the boiler an expansion vessel must be fitted The size of the expansion vessel must be determined on the basis of the heating water temperature and the total water content the installation contains Example of Emmeti Expansion vessel The pre pressure depends on the installation height ab
36. low load Press the button briefly to go to high load Coopra Advanced Heating Technologies CHAPTER 7 MALFUNCTIONS High voltage 230 Volt The wiring of the pump the three way valve fan and wiring of the gas block can be under high voltage 7 1 Serial connection A PC or Laptop can be connected for an extensive diagnosis and display of the functionality The necessary cable with an opto isolator opt coupler and the software kit can be ordered at Coopra separately 7 2 No signal on the display When there is no signal on the display power fails Check the mains voltage of 230 VAC and check whether the on off switch on the bottom of the boiler is switched on Check the glass fuse s of the printed circuit board 7 3 Boiler does not respond to central heating heat demand Is the parameter for the type of boiler correctly set in the menu structure Application not for hot water not ir TWIN standalone only i 15 37B for external HWS cylinder sensor 12kOhm large volume cylinders Boiler 15 37B for external HWS cylinder sensor 10kOhm large volume cylinders sensor 12kOhm small volume cylinders not for TWIN stand alone only Not active not for central heating and not hot water Boiler 15 37B for external HWS cylinder Installation manual E40C 7 4 Fitting instructions for the pressure sensor The seal is made with a 0 ring The pressure sensor must only be t
37. manual E40C 1 5 1 Technical data Gas type natural gas G20 natural gas G25 LPG G30 G31 Mains voltage Frequency 230 V 50 Hz Power consumption max 144 W Electrical data automatic recognition of thermostat connection potential free contact on off thermostat or OpenTherm control Dimensions and weight Heat input CH gross 8 1 41 1 kW data Nominal output CH at 50 30 C 7 9 37 9 KW Low load 98 7 High load 97 2 Low load 108 4 High load 104 2 CO2 on low high fire 8 2 8 8 8 2 8 8 9 2 9 8 Flue gas at 80 60 C lt 70 C temperature at 50 30 C Maximum chimney resistance Air feed and flue tube together Overflow Air feed and 2 pipe system 60 60 mm or 80 80 mm flue tube l Boiler primary Pump high 40 dB A Sound level 30 dB A CE Identification number CE0063 AT3070 35C power reduced boiler to meet Italian market Gasype tal gas G20 natural gas G25 LPG G30 G31_ Low load 98 7 High load 97 2 Low load 108 3 High load 104 1 Boiler type Coopra Advanced Heating Technologies 1 5 2 Boiler components Installation manual E40C EST H y a NE 6 iM We W US OK Set d ss O TO Zi ere N Ni pma e y my NA HE Bil n alll Hi LIL L Primary heat exchanger Pump S Pump Glow plug Burner type 30 40 Burner
38. ons 3 1 1 Modulation on flow sensor STANDARD FLOW SENSOR 1 SECONDARY PUMP FOR PLANT OPEN COLLECTOR Parameter C r 0 default The regulation on flow sensor is between 25 C and the value of parameter C In the menu structure you can set the maximum permitted boiler flow temperature with parameter C default 82 C The burner blocks when the maximum permitted boiler flow temperature parameter C is reached 3 1 2 Modulation on return sensor STANDARD FLOW SENSOR Li SECONDARY PUMP STANDARD FOR PLANT RETURN SENSOR EE ie OPEN COLLECTOR Set in the menu structure parameter C r 1 The regulation on return sensor is between 24 C and the value of parameter C In the menu structure you can set the maximum permitted boiler return temperature with parameter C default 82 C The burner blocks when the maximum permitted boiler return temperature parameter C parameter C r is reached The burner blocks also when the boiler flow sensor reaches a temperature of 90 whatever parameter C has been Set to Installation manual E40C 3 1 3 Modulation on system sensor STANDARD FLOW SENSOR 14 OPTIONAL FLOW SECONDARY PUMP SENSOR 2 FOR PLANT OPEN COLLECTOR System sensor You must connect the system sensor NTC of 12kOhm 25 C to ports 4 and 5 of the connector block mounted on the electronics casing Set in the menu structure parameter C r 1 The regulation on syst
39. oopra Advanced Heating Technologies 7 6 4 Check function of gas control open the outlet pressure nipple of the gas valve connect the pressure gauge to the outlet pressure nipple measure the outlet pressure zero Start heat demand chimney sweeper function first the fan will pre purge at 1800 rpm next the fan runs at the ignition speed of 2900 rpm now the pressure gauge will indicate an under pressure of approximately 3 mbar the same moment the gas valve opens the zero governor makes zero gas pressure if not then the gas control is not functioning 7 6 5 Check glow plug no ignition The 230 volt glow plug is in order if the measured resistance at room temperature is about 1 0 1 4 KOhm BE CAREFUL 230 VAC dl Replacing the glow plug The glow plug is a resistance through which current is fed As a result of the high temperature of the glow plug the burner can be ignited This makes the glow plug a part that wears The average life of the glow plug is estimated at 8 years depending on the number of starts and on the variation of the mains voltage e remove plug from glow plug 230 V high voltage e remove glow plug from cover of heating unit e replace glow plug 7 6 6 Check the fan impedance Pero fe Check the resistance of the coil the two outermost contacts on the fan motor The value that the multimeter shows must be between 115 and 120 Ohms at room temperature
40. ove the mounted expansion vessel 5 meters 0 5 bar 10 meters 1 0 bar 15 meters 1 5 bar Installation manual E40C 2 4 Filling and draining device Install a filling and draining device in the heating system If it may be expected that the heating water will be severely contaminated by under floor heating fitting a 2 kg dirt fine filter in the return pipe is recommended With this possible contamination of the heating water is prevented from ending up in one of the units Coopra cannot give any guarantee for damage to the unit that is caused by dirt in the system Example of PermaTrade dirt filter tyoe PT FM 25W 2 6 Differential bypass valve A differential bypass valve must be installed on plants where it may happen that various heating units radiators are simultaneously excluded from the circuit because of the closure of control or zone valves It ensures a recirculation proportional to the number of shut off valves thus avoiding noise and keeping the pump pressure steady Example of Caleffi Bypass valve type 519500 34 Mounting The differential by pass valve must be mounted in the installation between the flow and the return piping It may be mounted both horizontally and vertically provided that flow direction indicated by arrow is respected Adjustment Rotate knob on the desired value of the graduated scale The values correspond to the meters of pump head m H20 The advised knob s
41. pipe must be of stainless steel or plastic suited for exhaust gases with a maximum temperature of 120 C 1 10 1 Permitted flue resistance Type 40 The total resistance of the flue tube and air supply together may not be greater than 85 Pa Indication for the resistance values given in table below apply to Flue exhaust flow rate of 61 m hour at 70 C Supply air flow rate of 48 m hour at 20 C orco mm oom twee B23 L 33 33x il 53 DI 83 83x Installation manual E40C C13 LIS UL C43 Enr C63 TE Coopra Advanced Heating Technologies 1 11 Circulation pumps 1 11 1 Boiler pump If set in the menu on automatic function parametermenu setting the electronics switches the speed of the pump to high or low depending on the temperature demand e Dt gt 30 C the pump runs high speed e Dt lt 10 C the pump runs low speed Dt Setpoint temperature deducted with the actual Flow temperature
42. t water on right unit of TWIN boiler No SLAVE connected PCB is set as MASTER parameter A 0 No MASTER connected PCB is set as SLAVE parameter A 1 Water pressure low or high display shows P pressure SLA 01 Outdoor sensor summer switch on burner off parameter O t Status Reading 1 3 3 Lock out state flashing code Max delta temperature differential temperature between flow and return sensor limits 50 C Boiler does not pass temperature test After burner start the flow sensor must rise 3 C more in temperature than return sensor within 20 seconds after 3 start attempts follows lock out Flame signal lost 3 times during operation Fan speed error fan speed deviates gt 30 from the speed setpoint Flame signal detected with closed gas valve Eeprom programmed to reset press the Set Reset button Flue gas temperature gt 100 C for more then 3 times within 30 minutes Internal regulation fault A D conversion fault depending type of error display shows E or EEE t1 t2 Return sensor open or shortcut fault Flow sensor open or shortcut fault m M t3 Flue gas sensor open or shortcut fault Too many 4 times consecutive start attempts Flow or return sensor temperature gt 105 C Safety limiter contact is open no limiter on this boiler contacts bridged Coopra Advanced Heating Technologies Installation manual E40C 1 4 Menu structure To enter the menu structure press and hold the S
43. ue clockwise to decrease it 2 Gas control screw Low load adjustment Turn the screw anti clockwise to decrease the CO value on low load clockwise to increase it 3 Cover screw A below IMPORTANT The exact adjustment has always to be made using the CO analysing method as described 4 6 Flue gas analysis CO adjustment The gas control is set in the factory to the type of gas to be used This type of gas is stated on the packing and on the identification plate To check the setting you have to make a flue gas analysis Proceed as follows Remove the measuring cap from the flue tube Fit the measurement probe of a flue gas analyser CO analyser in the measurement opening of the flue tube canal Make sure there is sufficient heat dissipation through the heating CO setting At full load At low load Natural gas between between 8 8 9 4 COs 8 2 8 6 CO G20 G25 Butane G30 9 8 CO 9 2 CO 21 Installation manual E40C 4 6 1 Full load Activate the chimney sweeper function on full load Read the CO value on the analyser If the value does not correspond with the value in the CO setting table carefully adjust the venturi screw 1 ATTENTION A VENTURI ADJUSTMENT SCREW e Turning the venturi screw clockwise to decrease the CO value less gas e Turning the venturi screw anti clockwise to increase the CO value more gas CHECK THE ADJUSTMENT Distance
44. valve is allowed to be opened without the flame necessarily being present 5 4 In operation Fan on Gas valve on Glow plug off lonisation on To ensure the water flow through the heat exchanger a 20 second temperature test is activated After each burner start the flow temperature must rise 3 C more than the return temperature within the first 20 seconds If the temperature rise is less than 3 C the burner is started again after 10 seconds If this occurs more than three times within a heat demand the regulation runs into lock out flashing indication 1 If the return temperature becomes 5 C above the flow temperature the regulation blocks The burner remains blocked until the temperature difference becomes correct Coopra Advanced Heating Technologies Fan For the first 10 seconds of this state the fan is running at the ignition speed 2900 rpm After that time the heat demand program defines the fan speed lonisation If the ionisation fails a restart is made providing this is not the third time within the burner demand If this is the third time the regulation runs into lock out flashing indication 2 5 5 Post purge Fan on Gas valve off Glow plug off lonisation off Fan At end of heat demand burner stop the regulation runs into post purge The fan runs at the last demanded speed Pump The pump is controlled by the heat demand of the firmware 5 6 Pump after run Fan off Gas valve of
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