Safety regulations General regulations ........Intended use ..........Standards and regulations ......Construction Product description / Functional description - R40 ECO ......Technical data Technical data / ERP data ......Dimensions ..........Delivery scope Standard version / Accessories ....Cascade / Cascade accessories ....
EN 15420 (Requirements for gas- are excluded. fired systems – type C boiler 70 kW – 1000 kW) Intended use EN 15417 (Special requirements for The R40 ECO is a condensing and condensing gas-fired boilers 70 kW modulating gas boiler, which is – 1000 kW) The facility may only be operated by suspended from walls and is delivered...
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Legend: Product description Delivery scope heat exchanger 1 (All types OSS4) The R40 ECO is a condensing and The boiler, which has been assembled heat exchanger 2 (R40 ECO100: modulating gas boiler with one or two at the factory and is ready to use,...
Product description Dimensions of R40 ECO Ceiling Individual flue: min. 400mm Collective flue: dependant on the selected flue system. Please contact the supplier Type R40 ECO Boiler connections Boiler height 1066 1066 1066 Type R40 ECO Boiler height with flue connection 1151 1151 1151 Flue gas nozzle concentric...
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R40 ECO boilers, specially constructed or selected for you should always use a low loss the R40 ECO boiler, which means they header adjusted to the set demand. are very easy to install (plug and play). Rendamax supplies 3 low loss...
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Product description R40 ECO Cascade Legend: Cascade possibilities 1 Air supply (for parallel flue The Rendamax R40 ECO cascade can connection) be mounted in 3 ways: 2 Flue/Air supply (concentric) 1430 3 Cascade manager Wall-mounted in line Accessories: All boilers alongside one another on...
Boiler transport Boiler transport its packaging to a pallet. Loading belts should be attached to the pallet. The R40 ECO is a fully equipped compact heating system, which has Unpacking instructions are printed on been pre-set and tested at the factory.
The floor has to be flat and level and have sufficient deadweight capacity for the complete (filled) installation. The Rendamax R40 ECO cascade can be mounted in 3 ways: Wall-mounted in line All boilers alongside one another on the wall. Refer to page 15.
Installation Cascade wall mounted in line A . Position the pipe work header D. Place the gas line in its intended against the wall. When using recess. When using several pipe several pipe work headers: couple work headers: couple the gas lines the pipe work headers and supplied using the supplied DN50/DN65 gaskets, M12 (DN65) or M16...
Installation Cascade free-standing in line A Position the pipe work header in D. Fit a mounting frame on the the required location. When using I-column using 3-x bolt M8x50mm. several pipe work headers: couple the pipe work headers using the Attention: mounting rail at the supplied gaskets, M12 (DN65) or top.
Installation Cascade free-standing back-to-back A. Position the pipe work header in D. Fit a mounting frame on the the required location. When using L-column using 3x bolt M8x50mm. several pipe work headers: couple Attention: mounting rail at the the pipe work headers with the supplied gaskets, M12 (DN65) or top.
The boiler is supplied with a 3 and 4 tightness. bar safety valve. Rendamax recommend fitting the 4 E. Fill the siphon with tap water and bar safety valve due to the control fit the siphon cup underneath the settings shutting the boiler off at 3.8 boiler.
There are 3 low loss headers available: have to be fitted with blanking flanges. The blanking flanges come standard 3905048 with a fully configured delivery, Low loss header for 1 or 2 R40 ECO including bolts, spring washers and boilers to max. 200kW supplied gaskets. with automatic air vent, drain valve and pocket for temperature sensor 3905026 T10 Boiler connections are 4x 1 ½”,...
Installation Cascade accessories Dimensions headers, low loss headers and bends Dimensions low loss header DN65 until 452kW Dimensions main header G1/2” DN65 / DN100 G3/8” DN65 G1” DN65 DN65 L 2/4 places = 1398mm (DN65/DN100) L 3/6 places = 2098mm (DN65/DN100) DN65 Dimensions low loss header DN100 until 960kW Dimensions bend DN65 and DN100...
If the regulations with regard to does not conform to the Rendamax The central heating installation must plastic piping are not observed, then requirements (see Table 1). be de-aerated properly, before it is warranty claims become null and taken into operation.
When applying a DHW cylinder an expansion vessel. The expansion connected directly to the boiler vessel used has to comply with the (Rendamax cylinder connection water contents of the installation. with use of 3-way valve) the circuit between the three-way valve and the...
When the boiler has to be converted from natural gas to LPG, Rendamax provides special kits for this purpose. Special instructions are supplied with the kit. Following maintenance tasks always...
A fixed connection to the public sewer also check for leakproofness and the system is not permitted. equipment siphon is filled with water. All Rendamax wall hung gas fired condensing boilers contain a siphonic condensate trap to collect and release condensate. The amount of condensate formed is determined by the type of boilers and the water temperature produced by the boiler.
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Installation Hot water supply The hot water supply control can be Cylinder flow connection 1 1/2" internal thread connected to the Rendamax R40 ECO. Cylinder return connection 1" external thread For connection and settings refer to the Boiler Control chapter.
In all cases, the concentric flue/air Flue gas connection national regulations. connection on the top of the boiler We recommend the use of Rendamax - The length of the flue gas system case is 80/125. When using 110/150 comprehensive range of flue gas must be kept as short as possible flue components, an allowance for components.
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Installation Connections Air- / flue gas ducts for individual boilers Parallel boiler connection The R40 ECO-boilers can be used both The boiler comes as standard with a in an “open” and in “closed” system. parallel connection for the flue gas outlet and air supply system.
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Installation Connections Air- / flue gas ducts - installation variants for individual boilers Ambient combustion air, ø80 PP Flue gas duct into the chimney, aspiration of air from the surroundings. End section of the waste gas duct above the roof. Flue gas duct into the chimney, aspiration of air from the surroundings.
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(outlet area 1). - Sufficient space above the boilers Large number of boilers Rendamax can supply a collective flue gas outlet system for the Rendamax You may opt for: R40 ECO. Refer to the following - Collective flue gas outlet under- chapters with regard to the various pressure possibilities and maximum pipe lengths - Collective flue gas outlet over- that can be used.
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Installation Connections Collective flue gas outlet under-pressure Diameter and venting lengths of the Dimensions cascade flue R40 ECO flue gas outlet/air supply: Open system, underpressure Open system, with under-pressure Output (P) kW at 80/60°C Type R40 ECO d = minimum diameter Ø in mm...
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Installation Connections Collective flue gas outlet over-pressure An installation with a collective Dimensions cascade flue R40 ECO flue gas outlet over-pressure in Open system, overpressure, parallel combination with individually Output (P) kW at 80/60°C Type R40 ECO d = minimum diameter Ø in mm controlled boilers (e.g.
Installation Electrical connection Electrical connection The electric diagram must be observed during all electrical connection works Electrical connections must be (see the following pages). carried out by an authorized electrical technician, and in conformity with valid national and local standards and A 230V -50Hz mains electrical supply regulations.
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The boiler has 4 socket blocks for all electrical connections. 1. High voltage supply (230V) 2. Voltage free switches (230V relays) 3. Low voltage sensors 4. Communication bus for cascaded R40 ECO boilers Front view Side view On/Off Error General...
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Installation Electrical connection 1. High voltage supply: 16 Connections Position Connection Application Max. On/Off Error General 230V~ 230V Open- signal purpose Therm On/Off 1, 2, 3 Live Neutral Earth Power for boiler. Power cable not 230V~ 230V Heat 13,5 230V 0-10Volt LWCO demand...
When this is achieved the adviced to be connected. boiler modulates back to maintain the desired temperature and prevents over The Rendamax R40 ECO provides shoot. many possibilities to operate the boilers from external controls. If an OpenTherm controller of...
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Behaviour of connected external controls When using an OpenTherm or 0-10Volt control and a clock program is selected, the clock program of the R40 ECO will be ignored. - When an on/off control is connected and the thermostat is switched on manually before the pre-set switch-...
Installation Electrical connection Wiring diagram T1a (OSS4) 6,3A T 6,3A T 20 10 20 10 6,3A T 6,3A T 10 1 10 1 10 1 18 9 18 9 18 9...
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Installation Electrical connection Wiring diagram Connections Item Art.nr. Description Main components Control unit with screen Burner A Control unit Circulation pump Ignition unit on gas block Ignition electrode Ignition cables Flow sensor T1 Water pressure sensor P1 Return sensor T2 Flow sensor T1a Burner B Control unit...
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Operation Description of display Open the flap by pushing right next of The boiler has a pilot-control. This the flap on the round button to reach control takes care of most of the the display and keybord. manual settings but also provides numerous settings to adjust the control exactly to the installation and user requirements.
Operation Description of display and keyboard Operational status - Standby Standby. Boiler is ready for operation. Standby - Vent.Phase Ventilation stage - Ignition phase Ignition stage - Burner lit CH Burner active for heating - Burner lit DHW Burner active for hot water - CH T >...
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Commissioning Start-up Turn the electrical supply on (heating After confirmation by OK and after the system does not have to be filled); automatic de-aeration programm has -- NC -- ended, you will see the standard read- During start-up, a blue screen is out “Good” showing the date and the displayed: time after the de-aerating program. Power Up Power Up Standard read-out:...
20.0 °C in °C) and water pressure (P in bar). 1.65 bar For R40 ECO boilers in cascade For R40 ECO boilers in cascade, the bus communication cables between the boilers must be connected (see section electrical connections). The master-boiler (address 01) should be set to how many boilers are actually connected.
Commissioning Basic operations Selecting programs Switching on the Heating, DHW and Pump program By switching on the functions ( and/or ) the boiler is turned on. Proceed as follows: From the standard display with illuminated display: 1. Press the right arrow button: Basic The display shows: Basic settings;...
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Commissioning Basic operations Setting the maximum flow temperature with On/Off-control P101 = 0 Basic Setting the maximum flow water temperature with connected outdoor sensor T4. Settings (starting with illuminated display): 1. Press the right arrow button: The display shows: Basic Settings; CH temp 2.
Commissioning Filling the heating system When all boilers have been electrically Fill the heating system only commissioned as described above, with drinking water. Refer to the Water Quality chapter for quality then the heating system can be filled. Each boiler is fitted with a filling and requirements of the filling water. drain valve. The filling hose from the water tap is then connected to it. Water pressure Screen display Good...
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Commissioning Menu structure at Basic level Menu structure There are 2 setting levels 1. Basic level (manager/user): Blue screen 2. Setting level (Installer): Green screen With the illumination switched off, first press on one of the buttons to switch the illumination on and then continue with the setting.
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Commissioning Menu structure at Setting level Menu structure at Setting level With the illumination switched off, first press on one of the buttons to switch the illumination on and then continue with the setting. Having pressed the last button, the green illumination will switch off after 2 min.
0-10Volt control and a clock hot water is set on continuous program is selected, the clock demand to prevent there being no program of the R40 ECO will be hot water available at starting up. ignored. The program can be adjusted to - When an on/off control is connected each individual situation.
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Parameters end users (blue screen) Basic display “dark” Overview of commissioning Press on one of the buttons to switch the illumination on (blue screen). parameters - Press the + or - button to go to the “Operational status” read-out The parameter lines with a grey Press arrow button to the right to go to the required menu (arrow to the low background only become visible at the goes back) technician level.
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Parameters technician (green screen) Basic display “dark” Overview of commissioning Press on one of the buttons to switch the illumination on (blue screen). parameters Press both arrow buttons for 2 seconds (green screen) The parameter lines with a grey - Press the + or - button to go to the “Operational status” read-out background only become visible at the Press arrow button to the right to go to the required menu (arrow to the low technician level.
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Parameters technician (green screen) Param Mode Parameter chapter PARA factory setting Description Range Cascade param. Cascade parameters P100 Domestic hot water facility 0: no DHW 1: Solo boiler with 3-way valve NOTE: 2: n.a. Option 6 and 8 not for Low 3: Solo boiler with cylinder loading pump P4 and 3-way valve Temerature systems, unless separately controlled...
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Parameters technician (green screen) Param Mode Parameter chapter PARA factory setting Description Range P252 Slope heating line (K-factor) 0,1 - 9,9 P256 Hysteresis Summer/Winter in °C (if T4 was detected) 0-10 P266 Switch on delay at heat demand in minutes 0-10 P267 Boiler sequence for boilers in cascade in hours...
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Number of running hours to go for maintenance interval Ignition Number of times ignition Faults Number of times in error Safety 02017005 Regul. 01018003 03018003 OEM par. 00018xxx xxx: 020 = R40 ECO 70, 080 = R40 ECO 100, 140 = R40 ECO 120...
Parameters Activate factory settings Do the following to reactivate factory settings (any changed settings, except from P108 and P121, will be lost): Activating the factory settings from user level only: Restore From the standard blue screen display: 1. Select using the right arrow button: Basic settings;...
Only in the case When replacing spare parts only of failures or replacement of the gas original Rendamax Service parts are unit, venturi and/or ventilator, does one to be used. For this purpose, please have to check and adjust the O...
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Gas pressure Press the right arrow button until This ends the procedure for burner A. Airflush is displayed; Press OK; Only for R40 ECO 100 and R40 ECO The screen displays Airflush off; 120: Press the return button 1x Only for R40 ECO 100 and R40 ECO...
The O / CO check consists of 2 Step 1: O / CO check on full load Only for R40 ECO 100 and R40 ECO steps or, if necessary, 3 steps: The O or CO setting is preset at the 120:...
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L Display Step 2: O / CO check on low load Only for R40 ECO 100 and R40 ECO 120: Setting the low load Press the return button 1x The low load of the boiler can be set by...
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Commissioning Combustion analysis Settings on the gas valve (Step 3/3) Legend: A On/Off switch B Back button (ESC) C Plus button (value increase/change) D Confirmation button (OK) E Arrow button right (forward) F Chimney sweep function button G Arrow button left (backward) ...
Rendamax recommends leaving the maintenance or repair works have been carried out on the boiler. power switch switched on to ensure been carried out on the boiler.
In doing so, pay attention to the turning direction When carrying out maintenance works, (red check cams); only original Rendamax replacement parts may be used. CAUTION: Always interrupt the power supply, before carrying out maintenance or repair works on the boiler.
Maintenance Maintenance details Pull the complete ventilator unit If the cover/air box is heavily polluted and heat exchanger’s gas valve with dust, it is likely that the fan impeller forward; is also polluted. To clean the fan, it has Remove the burner cassette (18) to be removed from the upper tray and from the ventilator unit;...
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Maintenance Maintenance details Ignition electrode 6. Press the OK button; Replace the ignition electrode when 7. Press the right arrow button until: Flame necessary, but certainly every 4 years. Flame. This can be checked by reading out The ionization current is shown the ionization current.
Maintenance Maintenance details Counter running hours Siphon Take the device back into operation and conduct a flue gas analysis (refer Place a collector (i.e. a bucket) to chapter Check O under the siphon to collect the dirty and aggressive condensate water. Wear protective clothing like latex gloves and safety glasses.
Maintenance Inspection overview Pos. Nr.: Inspection check list - R40 ECO Remarks Switch off power supply to the boiler and close the gas valve! √ √ Air box/Boiler cover √ 1.0.1 Remove boiler cover √ 1.0.2 Check boiler cover/air box sealing on wear √...
Maintenance Maintenance overview Pos. Nr.: Maintenance check list - R40 ECO Remarks Switch off power supply to the boiler and close the gas valve! √ √ Air box/Boiler cover 1.0.1 √ Check cover on impurence and damage 1.0.2 Necessary cleaning √...
Errors (red screen) On the display, errors found are shown in the form of a message or blocking on a blue screen or an error on a red screen. Bx01sc01 Fan does not run on correct speed (Reset necessary). Blocking Fan defective.
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Maintenance Sensor resistance Sensor resistance Heating flow sensor Outdoor temperature sensor In the adjacent table contains a list of Heating return sensor values for all boiler sensors, and for the DHW sensor optional sensors that are contained in Flue gas sensor the accessory kits. NTC10k (25°C) NTC1k (25°C) These tables show average values,...
System water additives The system water additives, which are In case of a wrong use, and if the listed in the table, have been released maximum concentration quantities are by the manufacturer and take into exceeded, then the guarantee for all consideration the indicated dosage components that come in contact with quantities.
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Declaration of Conformity Declaration of Conformity We, ELCO GmbH, Hohenzollernstrasse 31, D-72379 Hechingen declare under our responsibility that the product R40 ECO 70-100-120 is in conformity with the following standards: Gas Appliance Directive 2009/142/EC EN483: 2005 EN15420;2010 EN15417; 2007 EN 60335-2-102 :2006...
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