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Summary of Contents for STIEBEL ELTRON LWZ 70
- Page 1 LWZ 70 Central ventilation unit Operating and installation instructions...
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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 dangers for users and contractors Note: Important information 1.1 Equipment description 1.2 User interface 1.3 Operation 1.4 Maintenance and cleaning 2.1 Specifi cation Installation instructions for contractors 2.2 Installation... -
Page 3: Operating Instructions
These have been adjusted during The LWZ 70 can recover up to 90% of separate channels to draw, respectively via commissioning. Never make any modifications the latent energy in extract air. -
Page 4: User Interface
The LWZ 70 unit is equipped with a user The remote control enables the operation interface with LED. of the LWZ 70 between stage 1 and 3. 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 5: Maintenance And Cleaning
1.4 Maintenance and the filter mat). Clean the filters with a Please note: All other work on the cleaning vacuum cleaner, if they are only lightly equipment must only be carried out soiled. These filters cannot be washed. by qualifi ed contractors. Never adjust the Maintenance by the user is limited to the Washing would mat the fabric, leaving too ventilation and extract air valves inside the... -
Page 6: Specifi Cation
Part no: Filter mat set; content: 10 pce. 22 24 46 Remote control unit FEZ II Remote control FEQ 18 98 00 Three-stage switch 16 25 51 All ventilation pipes, valves and similar equipment are also available from Stiebel Eltron. -
Page 7: 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 8: Installation On The Air Side
(dust, soot, odours, flue gas, expelled air) is as low as possible. When creating the external wall outlet ensure, Fan curve LWZ 70 that a “short circuit” between the fresh air inlet and air outlets is avoided. It would be practical to use our external wall inlet and outlet grille (part no: 07 18 32). - Page 9 Wiring diagram LWZ 70 Three-stage switch Remote control FEZ II Remote control FEQ Room temperature sensor Control PCB Ventilation air fan Extractor fan Outside temperature sensor User interface brown blue green/yellow white yellow...
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Page 10: 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 air 3 seconds enables all available data to be volume (operating mode). The fan stage (stage called up. - Page 11 2.6.3 Adjusting the air volume 5. The modified value can now: A be saved; The air volume of the LWZ 70 for the stages B not be saved; or 1 to 3 are factory-set to 50, 100 and C return to the factory default.
- Page 12 The I 3 / I 8 / I 9 / I 11 / I 12 and I 14 factory default is For the LWZ 70, these parameters are maintained, the without function. modified value is dismissed.
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Page 13: Commissioning Report
Commissioning report Parameter Description Setting range Factory default System value Volume stage 1 50.. (max. -10) Volume stage 2 50.. (max. -5) Volume stage 3 50 - 180 No function No function No function Fixed pressure imbalance – 100.. + 100 Remote control, open switching contact 0, 1, 2, 3 No function... -
Page 14: 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. Switch OFF the device. For this, simultaneously press “OK” and “–” for 3 seconds. -
Page 15: Environment And Recycling
Guarantee For guarantees please refer to the respecti- ve te rms and conditions of supply for your country. The installation, electrical connec- tion and first operation of this ap- pliance should be carried out by a qualified installer. The company does not accept liability for failure of any goods supplied which have not been installed and operated inaccordance with the... - Page 16 Internet www.stiebel-eltron.com Internet www.stiebel-eltron.com Internet www.applied-energy.com Sverige Belgique Magyarország Stiebel Eltron AB Stiebel Eltron S.p.r.l ./ b.v.b.a. Stiebel Eltron Kft. Friggagatan 5 SE-641 37 Katrineholm Rue Mitoyenne 897 B-4840 Welkenraedt Pacsirtamezo ´ ´ u. 41 H-1036 Budapest 0150-487900 Fax 0150-487901...
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