Related Manuals for STIEBEL ELTRON LWZ 170
Summary of Contents for STIEBEL ELTRON LWZ 170
- Page 1 Operating and installatiOn instructiOns central ventilatiOn unit » lWZ 170 » lWZ 170 plus » lWZ 270 » lWZ 270 plus...
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Page 2: Table Of Contents
Content Symbols used in these instructions Observe the following safety instructions: Please note: Warning about possible Operating instructions for dangers users and contractors Note: Important information 1.1 Equipment description 1.2 Particular features of the LWZ...plus 4 1.3 User interface 1.4 Operation 1.5 Maintenance and cleaning Installation instructions for contractors 2.1 Specification... -
Page 3: Operating Instructions For Users And Contractors
Prior to this disconnection, switch OFF VDI 087 - Air ducts [or local regulations] saving DC fans. This makes the LWZ 170/70.. the device via the user interface. plus a particularly powerful and highly efficient Relevant Building Regulations central unit for ventilating several rooms. -
Page 4: Particular Features Of The Lwz
Closing facility directly channelled into the living space. General function (schematic diagram) Extract air / expelled air Outside air / ventilation air Bypass damper closed Bypass damper open Heat exchanger Bypass damper Bypass module LWZ 170/70... -
Page 5: User Interface
1.3 User interface 1.4 Operation The LWZ 170/70..plus units are equipped The remote control enables the operation with a user interface with LED. of the LWZ between stage 1 and . For Settings in the program of the central this, observe the operating and installation controller can be called up and modified at instructions of the respective remote control. -
Page 6: Maintenance And Cleaning
1.5 Maintenance and Replace the filters if they are heavily Please note: All other work on the cleaning soiled (solid layer of dust on the top of equipment must only be carried out the filter mat). Clean the filters with a by qualified contractors. -
Page 7: Installation Instructions For Contractors
Filter mat set; content: 10 pce. 16 09 50 Remote control unit FEZ 18 5 58 Remote control FEQ 18 98 00 Three-stage switch 16 5 51 All ventilation pipes, valves and similar equipment are also available from Stiebel Eltron. -
Page 8: Installation
2.2 Installation Detail X Transport To protect the equipment against damage, it must be transported to the installation room inside its original packaging. Positioning the equipment Install the equipment in a suitable location which is free from frost (as centrally as possible to achieve the shortest possible air ducts). -
Page 9: Installation On The Air Side
This installation material may be obtained air separate from the ventilation system from Stiebel Eltron. Overflow apertures (check with your local flue gas inspector, During the installation, ensure that no metal as requirements vary across regions and swarf enters the pipe system. -
Page 10: Electrical Connection
2.4 Electrical connection 2.5 Frost protection The device is supplied fully wired, and should On account of the high heat availability factor, be plugged into an easily accessible mains low outside temperatures result in the outside socket. air being cooled down so severely that any A 1 m long LV cable for the connection of a condensate that is created in the process may remote control is supplied with the device. - Page 11 Wiring diagram LWZ 170, LWZ 270 Three-stage switch Remote control FEZ Remote control FEQ Room temperature sensor Control PCB Ventilation air fan Extractor fan Outside temperature sensor User interface brown blue green/yellow black white No. 1 No. yellow...
- Page 12 Wiring diagram LWZ 170 plus, LWZ 270 plus Three-stage switch Remote control FEZ Remote control FEQ Room temperature sensor Control PCB Ventilation air fan Extractor fan Outside temperature sensor User interface Damper control, slide grille Damper control Bypass damper Bypass PCB...
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Page 13: Settings
2.6 Settings 2.6.1 Displaying selected values 2.6.2 Calling-up selected values This display shows as standard the current fan Pressing “F” and “OK” simultaneously for stage and the respectively selected extract seconds enables all available data to be air volume (operating mode). The fan stage called up. However, values cannot be adjusted (stage 1, or ) is shown on the l.h. - Page 14 5. The modified value can now: 2.6.4 Changing parameter settings A be saved; The air volume of the LWZ 170/70..plus for These parameters must only be changed by B not be saved; the stages 1 to are factory-set to 50, 100 and a contractor, as changing these parameter C return to the factory default.
- Page 15 (first “F”, then “+”), to save the modified I 3 / I 11 / I 12 and I 14 value; the modified value flashes 3 x For the LWZ 170/70..plus, these on the display to parameters are without function. confirm it has been saved; the displayed Changing the selected values from the modified value is operating mode “Operation”...
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Page 16: Commissioning Report
Commissioning report Parameter Description Setting range Factory default System value Volume stage 1 50 - 300 LWZ 170 100 LWZ 170 50 - 400 LWZ 270 100 LWZ 270 Volume stage 2 50 - 300 LWZ 170 150 LWZ 170 50 - 400 LWZ 270... -
Page 17: Maintenance And Cleaning
2.8 Maintenance and cleaning Maintenance by contractors includes the cleaning of the heat exchanger and the fans. Subject to operating mode, these maintenance steps are required every three years. 1 Switch OFF the device. For this, simultaneously press “OK” and “–” for seconds. Pull the mains plug and remove the filter doors. - Page 18 2.8.1 Removing the bypass module Pull the servomotor cables from the bypass damper and the heat exchanger. Undo Allen screws respectively from the top and bottom of the bypass module using the key supplied, but do not remove the screws. The bypass module can now be removed.
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Page 19: Environment And Recycling
3. Environment and Recycling Recycling of obselete appliances Appliances with this label must not be disposed off with the general waste. They must be collected separately and dis- posed off according to local regulations. 4. Guarantee For guarantees please refer to the re- spective terms and conditions of supply for your country. - Page 20 Verkauf Tel. 0180 3 700705 | Fax 0180 3 702015 | info-center@stiebel-eltron.com Kundendienst STIEBEL ELTRON GmbH & Co. KG Tel. 0180 3 702020 | Fax 0180 3 702025 | kundendienst@stiebel-eltron.com Dr.-Stiebel-Straße | D-37603 Holzminden Ersatzteilverkauf Tel. 0180 3 702030 | Fax 0180 3 702035 | ersatzteile@stiebel-eltron.com Tel.