Neutralisation device without feed pump (12 pages)
Summary of Contents for Vaillant recoVAIR/3 SERIES
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For the owner and expert technician Operating and Installation Manual recoVAIR/3 Domestic ventilation unit with heat recovery and remote control recoVAIR VAR 275/3 recoVAIR VAR 350/3...
Cleaning or Replacing the Filters in the Servicing ..............6 Bypass Casing ............13 Recycling and Disposal ..........6 Filter ................13 3.4.1 Device .................6 3.4.2 Packing ..............6 Warranty and Customer Service ....13 Energy Saving Tips ..........7 Manufacturer’s Warranty and Liability.....13 Vaillant Service ............13...
General Information 1 Notes on the documentation General Information Notes on the documentation The domestic ventilation unit consists of a central venti- The following notes serve as a guide for the entire doc- lation appliance for air exchange with heat recovery and umentation.
He/she is also responsible for the inspection and the corrective maintenance of the device as well as for the Vaillant GmbH Remscheid / Germany changes in the air flow adjustment. Serial-no. 1234567890xxxxxx If the system is used for ventilation in locations with...
Instructions easily accessible. Intended Use Servicing The Vaillant domestic ventilation units are built and de- • Clean the cladding of your unit with a damp cloth and signed according to accepted safety rules and regula- a little soap. tions. Nevertheless, improper use can cause serious or...
The remote control has three buttons as well as a dial Bypass connection Door in cladding (Vaillant operating concept "turn and click") to set vari- ous operating programs. In addition, you can set special Discharge air duct connec- Exhaust air duct connec-...
4 Handling 4.5.1 Meaning of Symbols The following symbols may appear in the display: Symbol Meaning Special function Energy-saving Special function Advance Special function Holidays Static: 2nd fan stage (day mode) Flashing: 3rd fan stage (HIGH) Off: 1. fan stage (night mode) Static: Cooling required Fig.
Handling 4 Action Setting of Action Setting of Operating mode Check and setting of the year clock Selected symbol is flashing Press the dial several times in order to se- lect the day, the month and the year. If the clock is not activated, this point will Click Click be left out!
4 Handling • Terminate programming of the operating time with Special functions the P button. With the F button (special functions) you can start the individual special functions. Note You select the function by pressing the F button several Within the programming level you can navigate times.
Handling 4 Troubleshooting 5 Information Level Automatic mode Press the information button to reach the info level. In addition to identifying the controller, the information level is used to quickly and easily check the set operat- ing times. Each time window may be individually opened. time 6:00 10:00...
6 Maintenance Maintenance Cleaning or Replacing the Filter in the Domestic Ventilation Unit Continued efficient operation, reliability and a long serv- To check and clean the filters, please proceed as fol- ice life as well as safety, require inspections and mainte- lows: nance work to be regularly carried out by an expert technician on an annual basis.
Pull the mains plug before starting Manufacturer’s Warranty and Liability to work on the device. Vaillant GmbH warrants that this product is free from defects of manufacture. • Pull the filter out of the unit. It is covered by a manufacturer’s warranty of •...
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350/3 ..............21 Warranty and Customer Service ....37 Assembly and Installation of the Domestic Manufacturer’s Warranty and Liability....37 Ventilation Unit............22 Vaillant Service ............37 4.5.1 Mounting of the Fixing Bracket ......22 4.5.2 Mounting of the Domestic Ventilation Technical Data ..........38 Unit ................22 Domestic Ventilation Unit ........
Table 2.1 Identification plate For further information please read section 9 "Technical data". Intended Use The Vaillant domestic ventilation units are built and de- signed according to accepted safety rules and regula- tions. Nevertheless, there is still a risk of injury or death...
Device description 2 Safety instructions and regulations 3 The recoVAIR domestic ventilation unit must be in- 2.3.3 Condensate Drain Trap stalled by a qualified expert technician, who is responsi- The attached condensate drain trap must be connected ble for the observance of the existing regulations, rules to the threaded tube under the device.
3 Safety instructions and regulations 4 Assembly and installation 3.2.2 Related documents Installation Site Requirements The installation of the heat recovery ventilation unit and The installation site of the domestic ventilation unit any associated ductwork and outlets must be in accord- must be constantly frost-free and dry.
Assembly and installation 4 – When installing the fresh air input and discharge air ducts you will have to ensure sufficient separation to avoid that the discharged air being re-circulated into the fresh air input. According to VDI 6022 the minimum separation is 10 m.
(STOV, see section 5.1.1), the frost protection sensor switches both ventilators off. The outside air flow may be much cooler than the tem- Vaillant GmbH Remscheid / Germany perature of the discharge air measured by the frost pro- Serial-no. 1234567890xxxxxx...
4 Assembly and installation Assembly and Installation of the Domestic 4.5.2 Mounting of the Domestic Ventilation Unit Ventilation Unit • First mount the domestic ventilation unit and the re- Danger! mote control, and then proceed to the electrical con- If not mounted correctly, the unit may fall off. nections.
Use of the cus- to work on the device. tomer service and possible subsequent damag- es are not covered by the Vaillant warranty. Note Remove filters from the device first because they are fixed in the front cladding.
4 Assembly and installation Mounting and Electrical Connection of the Bypass (optional) The bypass must be mounted in accordance with the in- stallation scheme (see section 2.4 "Functioning") within the outside air flow in order to bypass the domestic ven- tilation unit.
Assembly and installation 4 To install the temperature sensor, proceed as follows Assembly and Installation of the Remote (see fig. 4.10): Control • Remove the plug from the sensor hole in the outside Normally the best siting of the remote control is in the air duct.
4 Assembly and installation • Press the casing to the wall base till it locates, taking care not to bend the controller connection pins. Make sure that you do not bend the contacts. 4.8.1 Establishment of Electrical Connection of the Remote Control Danger! Risk of fatal electric shock from touching live...
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Assembly and installation 4 Mains connection Freh air fan Exhaust air fan Control signal 0 - 10 V X 10 BUS connection Control signal 0 - 10 V X 11 Switch 2 X 12 Switch 1 Temperature sensor EAO ϑ (Frost protection sensor) 0 - 10 V Control X 13...
4 Assembly and installation Establishment of Electrical Connection of the 4.10 Alarm Input (optional) 3-stage Switch (optional) The alarm input (connection "X 14" on the board) is In addition to the standard control unit, you can also use bridged when the unit is delivered. If the connection is a universal 3-stage switch to control the domestic venti- undone with an external potential-free switching contact lation unit.
Assembly and installation 4 Start-up 5 An alarm will be triggered As part of the start-up it is necessary to adjust the do- – If the time set for the filter replacement has expired. mestic ventilation unit. The duration is set under the installer level option on The domestic ventilation units are delivered ex factory the remote control.
5 Start-up Action Display Meaning Action Display Meaning HIGH Set volume flow, 3rd stage C-AIR Set volume flow correction recoVAIR VAR 275/3 350/3 recoVAIR VAR 275/3 350/3 Default setting m Default setting in % Click Click Min m AIR2 AIR2 Min in % Max m Max in %...
Start-up 5 Action Display Meaning * These values can only be called with a bypass unit in- Bypass switches to summer stalled. mode 3 Sec. 5.1.3 Testing of the bypass and other functions Go to the service/diagnostics level as described in ALAR Alarm output is activated Turn...
5 Start-up 6 Inspection and maintenance 4. Measure the partial air flow at the strings with control Removing and Cleaning the Filter of the dampers if there are some available. Correct these Domestic Ventilation Unit settings if required by adjusting the control dampers. If the filters are not strongly soiled, you may clean them 5.
Inspection and maintenance 6 • Clean the heat exchanger with a washing liquid with Cleaning the Condensed Water Drain neutral pH and lukewarm water. Then rinse it again To clean the condensation water drain, firstly remove with clear lukewarm water. the heat exchanger (see section 6.2) •...
• Check the correct function of the remote control. Spare Parts and Accessories In order to continuously ensure the correct function of the Vaillant unit and not to change series-production status it is absolutely mandatory only to use genuine Vaillant spare parts for the maintenance and mainte- nance work.
Troubleshooting 7 Troubleshooting The faults listed below may only be rectified by an ex- • Troubleshooting is successful if the unit operates cor- pert technician. rectly. • Make sure the parts are correctly fitted and that their • Only use genuine spare parts for repairs. original position and alignment are retained.
Pull the mains plug and insert it again. unit and the remote control. If this does not help to eliminate the error, 230 V eBUS line laid parallel in pipe or cable contact Vaillant Customer Service. channel. LOCK Both fans inoperative Alarm input "X 14"...
Warranty and Customer Service 8 Warranty and Customer Service Manufacturer’s Warranty and Liability Vaillant GmbH warrants that this product is free from defects of manufacture. It is covered by a manufacturer’s warranty of 24 months. The aforesaid manufacturer’s warranty shall be applied...
9 Technical data Technical Data Domestic Ventilation Unit Description Units recoVAIR VAR 275/3 recoVAIR VAR 350/3 Air specifications Maximum air volume flow Feed pressure at max. volume flow Filter class EU/G Filter surface area 0,25 0,25 Thermal specifications Thermal efficiency as per SAP* 90,5 <...
Technical data 9 Performance Diagrams [Pa] Exhaust air Fresh air System characteristic Recommended design range Air 2 200 225 250 275 300 325 Air 1 Air 2 High Fig. 9.1 Performance diagram recoVAIR VAR 275/3 [Pa] Exhaust air Fresh air System characteristic Recommended...
10 Templates 10.3 Template: Hygiene check report Visual check of the unit Date Operating hours opt. Impression filter Name (swept clean) Installation Manual recoVAIR/3 0020062918_03...