Vaillant ecotec plus Installation And Maintenance Instructions Manual
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Summary of Contents for Vaillant ecotec plus
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Page 1: Ecotec Plus
Installation and maintenance instructions For the competent person Installation and maintenance instructions ecoTEC plus GB, IE... -
Page 2: Table Of Contents
8.3.1 Dismounting the compact thermal module ..39 Condensate drainage pipework ......18 8.3.2 Cleaning the heat exchanger ......... 40 8.3.3 Checking the burner ..........40 8.3.4 Installing the compact thermal module ....41 Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 3: Notes On The Documentation 1
The article number of the boiler can be found on the throughout the entire documentation. identification plate. Further documents apply in combination with this installation and maintenance manual. We accept no liability for any damage caused by non-observe these instructions. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 4: Description Of The Boiler
7 Pump 8 Connection for expansion vessel 9 Connection for expansion relief valve 10 Electronic box 11 Air separation system 12 Automatic air vent 13 Gas valve 14 Ignition electrode 15 Air intake pipe Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 5: Type Summary
- observance of accompanying operating, installation directives as stated on the identification plate. and servicing instructions for Vaillant products as well as for other parts and components of the system The declaration of conformity can be viewed at the man- - installing and fitting the product in accordance with ufacturer's site. -
Page 6: Changes To The Surroundings Of The Boiler
70 kW net (1st, 2 and 3 family gases). Part 2 Specification for installation of flues. Part 3 Specification for installation and maintenance of ventilation for gas appliances. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 7: Installation Site
Vaillant boilers are certified only with genuine the requirements of BS 7671 (IEE Regulations), the Vaillant air/flue pipes. The use of other accesso- electrical provisions of the Building Regulations ries may cause personal injury and material (Scotland) and in IE the current edition of IS 813 and the damage, as well as operating faults. -
Page 8: Standard 125 Mm Air/Flue Gas Duct
(contact Tower Flue Components, Tonbridge, TN9 1TB). Note! Vertical flues must not terminate within 600 mm of an openable window, air vent or any other ventilation terminal. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 9: Air Supply
BS 1363. Alternatively, a 3 Amp. fused doublepole switch with a 3 mm contact opening on both poles may be used. Danger! Risk of fatal electric shock! The boiler must be earthed. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 10: Assembly
Caution! Scope of delivery Do not install the boiler in rooms prone to frost. The Vaillant ecoTEC is delivered pre-mounted in a In rooms with aggressive steam or dust, the package unit. boiler must be operated room sealed! Check that all parts have been delivered and are intact (see Fig. -
Page 11: Dimension Drawing And Connection Dimensions
4 Connection for condensate drainage pipework 5 Connection for expansion vessel 6 Connection for heating return 7 Connection for heating flow 8 Connection for expansion relief valve 9 Filling device (combined filling and emptying valve) Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 12: Required Minimum Gaps/ Installation Clearances
• Drill 2 holes for the hanging bracket in the wall, each with a diameter of 8 mm. • If necessary cut the aperture in the wall for the air/ flue gas duct. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 13: Removing/Attaching The Front Casing
Danger! Danger of injury to persons and/or material damage due to improper installation! The Vaillant ecoTEC boiler may only be installed by a recognised skilled trade company. who also assumes the responsibility for proper installing and initial start-up of the boiler. -
Page 14: Heating Mode
(4 m or 6 m pump or electronically controlled pump). In case of systems with multiple circuits please pay additional attention to the control system accessories. Fig. 5.1 Low loss header Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 15: Cylinder Charging Mode
It is not necessary to do circuit can be connected directly without the need for settings at any diagnosis point. accessories. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 16: Heating Mode And Cylinder Charging Mode
(2) (additional relay) the value "2" must be 3 External heating pump specified at diagnosis point "d.26" in the 2 diagnosis 4 Consumer (e.g. heating circuit) level, see Chapter 9.1.2. 5 External cylinder charging pump 6 Cylinder Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 17: Gas Connection
Ensure strainless assembly of the supply lines damage due to improper installation! to avoid leakages in the heating installation! The Vaillant ecoTEC boiler may only be installed by a recognised skilled trade company who also The boiler is connected to the heating flow and return assumes the responsibility for proper via service valves. -
Page 18: Expansion Relief Valve (Safety Group), Heating Installation
A siphon giving a water seal of at least 75 mm (3) (built into the boiler) should be incorporated into the pipe run, and there must be an air break (4) in the condensate drainage pipework upstream of the siphon. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 19: Electrical Connection
The nominal voltage of the mains must be 230 V; at the siphon (see Chapter 6.2.3). mains voltages greater than 253 V and less than 190 V the functions may be impaired. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 20: Connecting Controllers
• Then feed the mains connection cable into the corresponding room/thermostat timer to terminals electronic box and cut the line to the correct length. 3 and 4. • If a weather-compensated or room temperature control system is connected (continuous control Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 21: Connecting A Low Loss Header Sensor
2 (see Chapter 9.1.2). VR40 - "2 in 7“ multifunctional module If you wish to connect additional components this can be done using the Vaillant VR40 - "2 in 7" multifunctional module. Note! Please observe the separate manual attached to the VR40 - "2 in 7"... -
Page 22: Wiring Diagrams
Gas valve Igniter Ignition electrode green/yellow Appliance earth Fig. 5.14 Connection diagram of ecoTEC (continued on next page) 1) You must not use both the C1/C2 and the cylinder sensor connections! Installation and maintenance instructions ecoTEC plus 0020214490_00... - Page 23 Safety circuit connection Earth Earth Connector for controller accessories DCF connection VRC 430 Low loss header sensor External sensor Remote control, circulation pump PWM signal, internal pump Fig. 5.15 Connection diagram of ecoTEC (continued) Installation and maintenance instructions ecoTEC plus 0020214490_00...
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Page 24: Start-Up
Vaillant accepts no liability for the compatibility of any can be drained. The drain connections should be at least additive or its effectiveness in the rest of the heating in- 1/2 "... -
Page 25: Filling And Bleeding From The Heating Side
If the pressure falls below 0.3 bar the boiler Fig. 6.1 Check the filling pressure of the heating installation switches off. Fault message F.22 ("water lack") Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 26: Filling The Condensate Siphon
If the boiler version corresponds to the local gas family: • Proceed as described below. If the boiler version does not correspond to the local gas family: • Perform the gas conversion in accordance with the gas conversion kit 0020010641. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 27: Checking For Tightness Of The Flue Gas Installation And Flue Gas Recirculation
• If the measured gas flow rate lies outside the recirculation as described below. tolerance limits specified in Table 6.2, do not operate the boiler and inform the Vaillant Service Solutions (0870 6060 777). If the measured gas flow rate is within the tolerance limits shown in Table 6.2, then proceed as follows:... -
Page 28: Checking The Gas Inlet Working Pressure
• Hand over the boiler to the operator. Table 6.3 Gas inlet working pressure at the reference test point The Vaillant ecoTEC displays status codes to indicate the • Should the pressure recorded at the reference test operating condition of the boiler. You can perform a point in the boiler be lower than indicated (Table 6.3) -
Page 29: Heating
If the cylinder is correctly charged the boiler runs how to refill and bleed the heating installation when through the status displays "S. 20" to "S. 23", until the the need arises. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 30: A Caution
Caution! The boiler may only be permanently operated with its casing properly closed! Otherwise, under unfavourable conditions, it can result in material damage or even injury or death. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 31: Adapting The Boiler To The Heating Installation 7
The diagnosis points d.14, d.17, d.18, d.20, d.26, d.27, d.28, d.50, d.51, d.70, d.71, d.72, d.75, d.77, d.78, d.84, d.93 and d.96 can be found at diag- nosis level 2, see Chapter 9.1.2. Fig. 7.1. Setting the parameters Installation and maintenance instructions ecoTEC plus 0020214490_00... - Page 32 46 = VU 466 d.96 Factory setting 1 = Resetting adjustable parameters to factory set- ting d.97 Activation of the 2 diagnosis level Code: 17 for level 2 Table 7.1 Adjustable parameters, levels 1 and 2 Installation and maintenance instructions ecoTEC plus 0020214490_00...
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Page 33: Setting The Heating Partial Load
(by briefly turning the nominal flow potentiometer to the left-hand stop then back to the starting position). The remaining burner anti-cycling time following a regular shutdown in heating mode can be called up under diagnosis point "d.67". Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 34: Determination Of Maintenance Interval/Maintenance Display
The operating hours can be set in steps of ten from 0 to 3000 h. If the symbol "–" is entered at diagnosis point "d.84" instead of a numerical value, the "maintenance display" function is deactivated. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 35: Inspection And Maintenance 8
- The flue gas analyser used must be one meeting the ity of the product. We therefore strongly recommend requirements of BS7927 or BS-EN50379-3 and be that you fit Vaillant genuine spare parts. You can find calibrated in accordance with the analyser information about the available Vaillant original spare manufacturers’... -
Page 36: Safety Instructions
• Fill the heating circuit of the boiler to a pressure of be- tween 1.0 and 2.0 bar if required. • Remove the front casing. • Start the testing program P.1. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 37: Adjusting The Co Ratio)
• If necessary, repeat the setting process. • Push the „i“ button to deactivate the full load mode. The full load mode is also deactivated if no button is pushed for 15 minutes. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 38: Inspection And Maintenance Work Steps
(see Table 8.1). If they are outside of the tolerances of Table 8.1 make an adjustment, see section 8.1.4. 24 Complete the gas commission checklist (benchmark book). Table 8.2 Inspection and maintenance steps Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 39: Filling/Draining The Boiler And Heating Installation
• Turn off the boiler by the main switch. • Isolate the boiler from the electrical mains. • Cut off the gas supply to the boiler. • Remove the front casing of the boiler. • Swing off the electronic box. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 40: Cleaning The Heat Exchanger
The burner (2) is maintenance-free and needs no cleaning. • Check the surface of the burner for damage, replace the burner if necessary. • After checking/repairing the burner install the com- pact thermal module as described in Chapter 8.3.4. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 41: Installing The Compact Thermal Module
• Make sure the blue sealing ring in the air intake pipe is positioned correctly in the seal face. • Insert the air intake pipe onto the intake stubs and fas- ten the pipe with the retaining screw (2, Fig. 8.2). Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 42: Cleaning The Condensate Ducts
Checking the charge pressure of the external Fig. 8.9 Cleaning the air separation system expansion vessel • Measure the charge pressure of the expansion vessel at the testing nozzle of the vessel when the boiler is depressurised. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 43: Checking Gas Connection Pressure (Gas Inlet Working Pressure)
• Do not push any buttons for about 4 minutes. out in the form provided in the inspection or Depending on the settings, the current flow maintenance contract. temperature or current water pressure of the heating installation reappears in the display. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 44: Diagnosis Codes
Water pressure sensor test running, heating demands are blocked S.98 Flow/return temperature sensor test is in progress, heating demands are blocked Carry out a service in the near future. Press the „i“-button for further information. Table 9.1 Status codes Installation and maintenance instructions ecoTEC plus 0020214490_00... - Page 45 1 (see Table 9.2) and the 2 (see Table 9.3) is displayed. Scroll and change values and exit diagnosis mode as described in the 1 diagnosis level. Installation and maintenance instructions ecoTEC plus 0020214490_00...
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Page 46: Diagnosis Codes For Diagnosis Level 2
Note: Chosen value must be at least 15 K or 15 °C above set cylinder target value. d.80 Operating hours heating in h Table 9.3 Diagnosis codes for diagnosis level 2 (continued on next page) Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 47: Fault Messages
• Push the "i" button • Do not push any buttons for about 4 minutes. Depending on the settings, the current flow temperature or current filling pressure of the heating installation reappears in the display. Installation and maintenance instructions ecoTEC plus 0020214490_00... - Page 48 -> flow and/or return sensor defective F.73 Failure Water pressure sensor Interruption/short-circuit of water pressure sensor, interruption/ short-circuit to GND in supply line to water pressure sensor Table 9.4 Fault messages (continued on next page) Installation and maintenance instructions ecoTEC plus 0020214490_00...
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Page 49: Check Programs
Check Program Diverter Valve Middle Position: (not active) Table 9.5 Check programs Bleeding the boiler circuit: Actuation of heating pump for 15 cycles: 15 s on, 10 s off. Display view: HP or SP. Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 50: Replacing Components
CE conform- Chapter 8.3.1. ity of the product. We therefore strongly recommend that you fit Vaillant genuine spare parts. You can find information about the available Vaillant original spare parts on the back page of these instructions, below the contact address. -
Page 51: Replacing The Heat Exchanger
• Fill and bleed the boiler, also, if necessary, the system after installing the new heat exchanger. • After completing the work, check for gas and water leaks and perform a function check (see Chapter 6.4). Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 52: Replacing Pcb And Display
You can now make the specific settings for the system. Boiler Number of boiler variant (DSN) VU GB 466/4-5 A Table 10.1 Boiler variant numbers Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 53: Technical Data 13
Mounting weight Height Width Depth Electrical connection 230 / 50 V/Hz Electrical power consumption minimum/maximum (with integrated pump) 82/131 Type of protection IP X 4 D Certification number CE-0085BR0308 Table 13.1 Technical data ecoTEC Installation and maintenance instructions ecoTEC plus 0020214490_00... -
Page 54: Benchmark Commissioning And Servicing Section
Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full. www.centralheating.co.uk © Heating and Hotwater Industry Council (HHIC) -
Page 55: Gas Boiler System Commissioning Checklist
GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. CONTROLS Optimum start control Fitted... - Page 56 SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 ² % ² % ² % ² % SERVICE 03 SERVICE 04 ² % ²...
- Page 57 PRIOR TO CO AND COMBUSTION RATIO CHECK NOTE The boiler manufacturer’s installation instructions should have been followed, gas type verified and gas THE AIR GAS RATIO VALVE IS FACTORY supply pressure/rate checked as required prior to commissioning. SET AND MUST NOT BE ADJUSTED As part of the installation process, especially where a flue has been fitted by persons other than the DURING COMMISSIONING UNLESS THIS boiler installer, visually check the integrity of the whole flue system to confirm that all components are...
- Page 60 Supplier Manufacturer...
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