Vaillant ecoMAX 665 Installation And Maintenance Manual
Wall hung room sealed fan assisted condensing boiler
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Also See for ecoMAX 665:
- Instructions for use manual (12 pages) ,
- Installation and maintenance manual (40 pages)
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Summary of Contents for Vaillant ecoMAX 665
- Page 1 For the installer Installation and maintenance manual ecoMAX Wall hung room sealed fan assisted condensing boiler ecoMAX 665...
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Page 2: Table Of Contents
5.1.2 Heating side filling and bleeding ......20 5.1.3 Final system flush (”Hot”) ........20 5.1.4 Filling the siphon ............21 Checking the gas setting ......... 21 5.2.1 Factory gas setting ........... 21 Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 3: Information On The Documentation
Danger! Immediate risk of serious injury or death. Caution! Potentially dangerous situations for the product and environment. Note! Useful information and instructions. • Symbol for a necessary task Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 4: Description Of The Appliance
4 Compact thermal module with burner, flange, 10 Discharge for supply mixing tube, fan and electronic gas valve 11 Electronic gas valve 5 Ignition electrode 12 Air separator with strainer 6 Pump 13 Water flow switch Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 5: Data Badge
20 - 20 mbar 13.7 - 63.7 (80/60 °C) Data badge The data badge of the Valliant ecoMAX 665 is attached Intended use at the factory to the bottom of the appliance. The Vaillant ecoMAX 665 is a state-of-the-art appliance which has been constructed in accordance with recog- nised technical safety regulations. -
Page 6: Declaration Of Conformity
1 Description of the appliance Declaration of conformity Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 7: Safety Instructions And Regulations 2
This appliance should only be installed in conjunction tenance of ventilation for gas appliances. with either a Vaillant flue system or an alternative ap- proved system (details of flue approval categories can be found in the technical section of the installation manual). -
Page 8: Mounting
The location chosen for the boiler must permit the pro- vision of a satisfactory flue termination. The location The Vaillant ecoMAX 665 is delivered in a package unit. must also provide adequate space for servicing and air circulation around the boiler. The boiler may be installed... -
Page 9: Select Position Of Boiler
To unpack the boiler, cut both plastic carton straps, open box and lift out the polystyrene top packing. Lift the cardbox upwards. Note! Care should be taken not to scratch the white surface of the boiler casing. Installations- und Wartungsanleitung ecoMAX 665... - Page 10 6 DHW primary flow (only in conjunction with cylinder) 2 Mounting bracket 7 Heating flow 3 Heating return 8 Siphon connection 4 DHW primary return (only in conjunction with cylinder) 9 Connection safety valve 3/4” Installation and maintenance manual ecoMAX 665 / 0020020159_03...
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Page 11: Required Minimum Gaps/Assembly Clearances
• Hang the appliance up onto the bracket (1) from above with the bracket (3). • Mount the cable connections to the appliance, making sure they are disconnected from the power supply. Fig. 3.4 Mounting the appliance on the bracket Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 12: Installation
VRC 630 Caution! 13a mixer valve The ecoMAX 665 may only be put into opera- 17a supply temperature sensor tion when a sufficiently dimensioned low loss 45 low loss header header has been installed between appliance OS outside sensor circuit and heating circuit. -
Page 13: Technical Instructions For Recharging
• Screw in flow (3) and return (4) with the maintenance cocks. Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 14: Flue Termination
Danger! c. If the terminal is fitted less than 2 m above a balcony, Only Vaillant original 80/125 mm flue pipes may be above ground or above a flat roof to which people have used when installed in a room sealed application access then a suitable terminal guard must be provided and (type C). -
Page 15: Condensate Discharge
L and N even when the cross flow into any other branch pipe, or from that appliance on/off switch is switched off. branch pipe into the condensate drainpipe. This can Attention - this appliance must be earthed! Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 16: Mains Connection
(see fig. 4.10). • Connect the connecting cables as shown by fig. 4.10/4.11 to the corresponding ProE plugs or slots of the electronics. Vaillant controllers are intended to be plugged into the 230V front of the appliance without the need for additional wiring. - Page 17 • Lift the electronics box up and press it by the two clips on its left and right against the lateral appliance casings until you hear the clips click into place. • Attach the front casing. Installation and maintenance manual ecoMAX 665 / 0020020159_03...
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Page 18: Connection Diagram
(DCF) loss header Safety circuit 20V connection Vaillant controllers 24 V: connections 7, 8 and 9 Caution: Do not connect supply voltage! Risk of electronics being destroyed! Mains supply: 230 V/50 Hz Room thermostat 230 V/50 Hz (remove bridge on connection) -
Page 19: Wiring Diagram
2 3 0V X 10 Contact- T herm R T 2 4V 2 3 0V R T 2 3 0V Pump 2. Pump Coding resistance Electronics box Fig. 4.14 Wiring diagram ecoMAX 665 Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 20: Putting The Boiler Into Service
Cheshire, WA8 8UD. Tel: 0151 495 1861 — or Fernox, Cookson Electronics, Forsyth Road, Sheerwater, Do not allow the water pressure to drop below the above Woking , Surrey GU21 5RZ,01483 793200 minimum during venting. Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 21: Filling The Siphon
• Put the boiler into service (refer to the Instructions for Use supplied with the boiler). • Check the U gauge reading and ensure the inlet gas pressure is between the pressures detailed below. Fig. 5.2 Filling the siphon Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 22: Checking The Co Content And Adjusting It If Needed (Air Ratio Setting)
Adjust only in increments of 1/8 turn and wait needed (air ratio setting) approx. 1 minute after each adjustment until • Take off the appliance casing. the value stabilises. • Activate test program P.1: Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 23: Functional Test
• Inform the user that the instruction manuals should • Pass the appliance on to the user. be kept near the appliance. The Vaillant ecoMAX 665 possesses status codes that Note! display the operating status of the appliance in the DIA When you have finished the installation, attach system display. -
Page 24: Instructing The User About The Heating System
5.4.2 Vaillant warranty Vaillant provide a full parts and labour warranty for this appliance. The appliance must be installed by a suitably competent person in accordance with the Gas Safety (Installation and Use) Regulations 1998, and the manu- facturer’s instructions. -
Page 25: Adapting The Appliance To The Heating System 6
Table 6.1 Setting range for partial-load heating or decrease the value in 1 kW increments. The displayed value flashes during the setting proce- dure. The possible setting ranges are to be found in table 6.1. Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 26: Setting The Pump Over-Run Time
• Switch the appliance main switch to the “l” position. • Press the “i” and “+” keys simultaneously and hold down the “+” key until the diagnosis code “d.2” appears in the display. Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 27: Inspection And Maintenance 7
1.0 and 2.0 bar and With regard to the Vaillant ecoMAX 665, this means it is bleed the heating system (see chapter 5.1). usually sufficient to conduct an inspection once a year. - Page 28 Check the flue system for leaks and that it is fixed properly, and make adjustments if necessary Check appliance gas setting, reset and record if necessary. Complete the gas commissioning checklist (Benchmark) Table 7.1: Maintenance steps Installation and maintenance manual ecoMAX 665 / 0020020159_03...
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Page 29: Servicing The Compact Thermal Module
PWM signal cable beneath the fan (9) and the cable Danger! for the gas fitting (11). Check the gas connection (10) for leaks with • Undo the six nuts (4). leak spray. Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 30: Clean The Heat Exchanger
The surface should be checked for damage, and the burner replaced if necessary. • After checking/replacing the burner, install the com- pact thermo module as described in 7.2.1. Fig. 7.4 Cleaning the condensate paths (1) Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 31: Draining The Appliance And The System
• Dismount the air separator as shown in fig. 7.6 and rinse it with hot water. • Remount the air separator and make sure to use new seals (SP no. 981272). Fig. 7.6 Cleaning the air separator Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 32: Troubleshooting
Waiting time lack of water (burner on T Fl.-Ret. was S.53 > 30 K; burner off T Fl.-Ret. was > 35 K S.54 No water pressure in boiler Table 8.1: Status codes Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 33: Diagnosis Codes
Flow temperature actual value actual value in °C d.41 Return temperature actual value actual value in °C d.44 Ionisation current actual value actual value/100 in A d.46 External temperature correction value correction value in K Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 34: Error Codes
2 • Press the “i” key beneath the display seconds each. • do not press any key for about 4 minutes. The current heating supply temperature appears in the display again. Installation and maintenance manual ecoMAX 665 / 0020020159_03... - Page 35 Electronics error flame electronics defective (implausible flame signal) Emergency Special message: fan (hall sensor) defective, error in the cable harness, electronics defective no speed signal from the fan “speed” Table 8.3: Error codes Installation and maintenance manual ecoMAX 665 / 0020020159_03...
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Page 36: Test Programs
10.1 Appliance The Vaillant ecoMAX 665 consists 92 % of metallic ma- terials which can be melted down again at iron and steel works and therefore can be recycled practically any number of times. The plastic materials used are labelled and, in this way, are already prepared for sorting and fractionation for subsequent recycling. -
Page 37: Technical Data 11
80/125 lift weight height width depth electrical connection 230 / 50 V / Hz electrical power consumption min./max. (with integrated pump) 170 / 260 type of protection IP X 4 D Installation and maintenance manual ecoMAX 665 / 0020020159_03... -
Page 38: Benchmark Gas Boiler Commissioning Checklist
Benchmark gas boiler commissioning checklist...
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