Vaillant ecoMAX 646 Installation And Maintenance Manual
Wall hung room sealed fan assisted condensing boiler
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- Installation and maintenance manual (40 pages) ,
- Instructions for use manual (12 pages)
Related Manuals for Vaillant ecoMAX 646
Summary of Contents for Vaillant ecoMAX 646
- Page 1 For the installer Installation and maintenance manual ecoMAX Wall hung room sealed fan assisted condensing boiler ecoMAX 646...
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Page 2: Table Of Contents
Treating the heating water........18 5.1.2 Heating side filling and bleeding ......18 5.1.3 Hot water side filling and bleeding ....... 19 5.1.4 Filling the siphon ............19 Checking the gas setting ......... 19 Installation and maintenance manual ecoMAX 646... -
Page 3: Notes On The Documentation
Please observe the safety instructions in this installation manual when installing the appliance! Danger! Immediate risk of serious injury or death! Caution! Potentially dangerous situations for product and environment! Note! Useful information and instructions. • Symbol for a necessary task Installation and maintenance manual ecoMAX 646... -
Page 4: Description Of The Appliance
Connection for the flue pipe 7 Air separator 2 Heat exchanger 8 Gas fitting 3 Pressure switch 9 Ignition electrode 4 Pump 10 Compact thermal module 5 Electronics box 11 Air intake pipe 6 KFE cock Installation and maintenance manual ecoMAX 646... -
Page 5: Type Summary
Table 1.1 Type summary Data badge Intended use The data badge of the Valliant ecoMAX 646 is attached The Vaillant ecoMAX 646 is a state-of-the-art appliance at the factory to the bottom of the appliance. which has been constructed in accordance with recog- nised technical safety regulations. -
Page 6: Safety Instructions And Regulations
This appliance should only be installed in conjunction • don‘t smoke in the danger area, with either a Vaillant flue system or an alternative ap- • don‘t use a telephone in the danger area, proved system (details of flue approval categories can be •... - Page 7 (e.g. gas or water leak- age)! Preliminary remarks: This appliance should only be installed in conjunction with a Vaillant flue system. Install the flue system as detailed in the separate flue installation in- structions supplied with this boiler.
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Page 8: Mounting
3 Mounting Mounting Installation site Please note the following safety instructions below be- The Vaillant ecoMAX 646 is delivered pre-mounted in a fore choosing where to install the appliance: package unit. Caution! Scope of delivery and accessories Do not install the appliance in rooms prone to frost. -
Page 9: Dimensional Drawing And Connections
Dimension A with 87° T-piece: 270 mm 2 Appliance holder 3 Heating return 4 Charging circuit return (only in conjunction with cylinder) 5 Gas connection 6 Charging circuit supply (only in conjunction with cylinder) 7 Heating supply Installation and maintenance manual ecoMAX 646... -
Page 10: Required Minimum Gaps/Assembly Clearances
• Mount the cable connections to the appliance, making • Fix the casing by screwing in the screw (1) on the bot- sure they are disconnected from the power supply. tom of the appliance. Fig. 3.4 Mounting the appliance Installation and maintenance manual ecoMAX 646... -
Page 11: Installation 4
Fig. 4.1 Example 1: radiator heating, direct feeding, appliance- ble maximum thermostat must be mounted on the internal pump heating supply (e.g. Vaillant feed thermostat 009 642). This is necessary in order to protect the heating sys- ecoMAX 646 2 heating pump... -
Page 12: Hydraulic Decoupling With Heating Pump Located On The Appliance Side
WH 280 WH 160 WH 160 and cylinder (the appliance‘s pressure loss characteris- quadruple cascade WH 280 WH 160 WH 160 tic curve) Table 4.2: Selection of the hydraulic switch, WH model Installation and maintenance manual ecoMAX 646... -
Page 13: Gas Connection
The appliance is connected to the heating supply and re- turn via maintenance cocks. An installation set for the ecoMAX 646 is available (item no. 306 715). Caution! It is imperative that the filling device be mount- ed in the return;... -
Page 14: Condensate Discharge
There is continuous operating voltage at the power supply terminals L and N even when the main switch is switched off. Fig. 4.10 Opening the rear of the switch box Installation and maintenance manual ecoMAX 646... -
Page 15: Connecting Accessories And External System Components
Installation 4 4.8.3 Connecting accessories and external system components The Vaillant ProE system facilitates a quick and trouble- free connection of accessories and external system com- ponents to the appliance electronics. Proceed with the wiring up as follows: • Take off the front casing of the appliance and lift the electronics box forward. -
Page 16: Connection Diagram
Connection heating pump Connection storage charging pump Use of other functions via module 1 of 5 (306 253) or module 2 of 6 (306 247) (diagnosis point d.16 except function) Fig. 4.12 Connection diagram ecoMAX 646 Installation and maintenance manual ecoMAX 646... -
Page 17: Wiring Diagram
X 2/2 orange (signal) or upper solar storage tank sensor (plug colour: white) 24V I 230V X 10 Contact- Therm RT 24V 230V RT 230V Pump Coding resistance Electronics box Fig. 4.13 Wiring diagram ecoMAX 646 Installation and maintenance manual ecoMAX 646... -
Page 18: Start-Up
If there is still too much air in the system after protection fluid, changes can be caused in the seals and the bleeding program has finished, the program noises may arise during the heating operation. Vaillant must be started anew. assumes no liability for this (or for any subsequent re- sulting damage). -
Page 19: Hot Water Side Filling And Bleeding
To fill the storage charging circuit, proceed as described • Carry out a gas conversion. in point 5.1.2. • Restart the bleeding program (P.0). Note! Please ask Vaillant customer service about the 5.1.4 Filling the siphon gas conversion of the appliance. • Check the CO percentage as described in chapter 5.2.3. -
Page 20: Checking The Connection Pressure (Gas Flow Pressure)
• Put the front casing back on and start the appliance up again. If the connection pressure does not lie within the per- missible range and you can‘t correct the error, notify the gas supplier. Proceed as follows: Installation and maintenance manual ecoMAX 646... -
Page 21: Functional Test
Fig. 5.5 Functional test - Turn to the left (anti-clockwise): higher CO content The Vaillant ecoMAX 646 possesses status codes that - Turn to the right (clockwise): display the operating status of the appliance in the DIA lower CO content system display. -
Page 22: Instructing The User
Heating 5.4.2 Vaillant warranty • Switch on the appliance. Vaillant provide a full parts and labour warranty for this • Make sure that heat is being requested. appliance. The appliance must be installed by a suitably • Press the “i” key. -
Page 23: Adapting The Appliance To The Heating System 6
• By pressing the “+” or “-” keys you can now increase 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 646... -
Page 24: Setting The Pump Run-Out Time
The timer can be reset or deleted by pressing the appli- ance main switch. The burner lockout time remaining in Installation and maintenance manual ecoMAX 646... -
Page 25: Inspection And Maintenance 7
Check the primary pressure at the ex- dividual components subject to wear. With regard to the pansion tank, and adjust it if necessary Vaillant ecoMAX 646, this means it is usually sufficient Clean the air barrel to conduct an inspection once a year. Inspections can be... -
Page 26: Servicing The Compact Thermal Module
(8) to the gas fitting. • Pull the cables (9) off the fan motor and the cable (8) • Open the gas supply to the appliance. off the gas fitting. • Undo the five nuts (2). Installation and maintenance manual ecoMAX 646... -
Page 27: Cleaning The Integral Condensation Heat Exchanger
Dirt accretions in the front condensate discharge area can be removed via the lower cleaning hole (2). Installation and maintenance manual ecoMAX 646... -
Page 28: Checking The Gas Setting
• Open the air-release valves on the radiators. Start with the radiator that is highest up and then continue downward. • When the water has run out, close the radiators‘ ex- hausts and the draining cock again. Installation and maintenance manual ecoMAX 646... -
Page 29: Troubleshooting 8
Waiting time lack of water (burner on T VL-RL was > 40 K; S. 53 burner off T VL-RL was > 45 K S. 54 Waiting time lack of water Table 8.1 Status codes Installation and maintenance manual ecoMAX 646... -
Page 30: Diagnosis Codes
Burner starts - heating number of hystereses in the heating mode x 100 d. 83 Burner starts - hot water mode number of hystereses in the hot water mode x 100 Table 8.2 Diagnosis codes Installation and maintenance manual ecoMAX 646... -
Page 31: Error Codes
Electronics error flame (implausible flame signal) electronics defective Emergency Special message: fan (hall sensor) defective, error in the cable harness, electronics defective run “speed” no speed signal from the fan Table 8.3 Error codes Installation and maintenance manual ecoMAX 646... -
Page 32: Test Programs
1x "i" key: start bleeding the heating pump 10.1 Appliance (display: HP) Your Vaillant ecoMAX 646 consists 92 % of metallic ma- 2x "i" key: start bleeding the charging pump terials which can be melted down again at iron and steel (display: LP) works and therefore can be recycled practically any 3x "i"... -
Page 33: Technical Data 11
(pH value: 3.0-4.0) mounting weight height width depth electrical connection 230/50 V/Hz electrical power consumption min./max. (with integrated pump) 138/180 type of protection IP X4 D — Installation and maintenance manual ecoMAX 646...
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