STIEBEL ELTRON LWZ 180 Operation And Installation
Central ventilation appliance with heat recovery
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Also See for LWZ 180:
- Operation and installation (80 pages) ,
- Administrator's manual for operation and installation (32 pages) ,
- Quick start manual (2 pages)
Related Manuals for STIEBEL ELTRON LWZ 180
Summary of Contents for STIEBEL ELTRON LWZ 180
- Page 1 OPERATION AND INSTALLATION Central ventilation appliance with heat recovery » LWZ 180 » LWZ 280 » LWZ 180 Enthalpie » LWZ 280 Enthalpie...
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Page 2: Table Of Contents
CoNTeNTs | sPeCIAL INForMATIoN SPECIAL INFORMATION 12.3 Code ��������������������������������������������������������������� 44 Appliance shutdown ��������������������������������������� 44 OPERATION Maintenance ������������������������������������������������ 44 General information ��������������������������������������� 29 Safety instructions ���������������������������������������������� 29 Troubleshooting �������������������������������������������� 46 Other symbols in this documentation ���������������������� 29 Disposal ����������������������������������������������������� 47 Information on the appliance �������������������������������� 29 Specification ������������������������������������������������... -
Page 3: General Information
oPerATIoN general information oPerATIoN f This symbol indicates that you have to do something. The ac- tion you need to take is described step by step. Information on the appliance General information Connections The chapters "Special information" and "Operation" are intended symbol Meaning for both users and qualified contractors. -
Page 4: General Safety Instructions
oPerATIoN Appliance description The appliance can also be used in non-domestic environments, stage display e.g. in small businesses, as long as it is used in the same way. Any Ventilation "Power" Necessary ventilation for ensuring that for humidity symbol and the building structure is protected under other use beyond that described shall be deemed inappropriate. -
Page 5: Settings
oPerATIoN settings Settings Press the "HOME" and "OK" buttons simultaneously to activate the function block. The "padlock" symbol appears. Then you can wipe the programming unit clean without inadvertently changing any Switching the appliance on settings. Press the "HOME" and "OK" buttons simultaneously for two seconds to deactivate the function block. -
Page 6: Menu
oPerATIoN settings At times where there is no time program defined, the appliance „P3: Bypass mode „ runs in set fan stage 2. effect Menu The bypass is permanently disabled. Air flows through the heat exchang- The bypass is active. The air flow bypasses the heat exchanger. display description The bypass operates with summer day detection. - Page 7 oPerATIoN settings „P28 : Enable fan „ 4.5.3 Programs You can switch off the fans at any time via the programming unit „Pro „ menu, e.g. to deactivate ventilation if there is a fire. The appliance offers the option to set 21 time programs. Switch effect between the time programs using the Touch-Wheel.
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Page 8: Switching Off The Appliance
oPerATIoN Maintenance, cleaning and care Maintenance, cleaning and care Note At times where there is no time program defined, the Maintenance by the user is limited to filter inspection and replace- appliance runs in set fan stage 2. ment required at certain intervals. Replacement filters Example Product... -
Page 9: Troubleshooting
oPerATIoN Troubleshooting Troubleshooting f If necessary, place one or more new filters in the filter drawer. Ensure that the filters are installed in the intended Faults detected by the appliance are stored in actual values I70 position. Air flows through the filters from top to bottom. The to I79. -
Page 10: Installation
INsTALLATIoN safety INsTALLATIoN 7.3.1 Planning safety measures Together with the relevant authorities, engineers plan the safety measures that are required for simultaneous operation of a ven- tilation unit and combustion equipment. Safety Alternate operation Only a qualified contractor should carry out installation, commis- Alternate operation means that, when the combustion equipment sioning, maintenance and repair of the appliance. -
Page 11: Operating The Appliance In Passive Houses
You can obtain ventilation pipes, extract air and supply air vents Transport and similar accessories from us. Material losses LWZ 180, LWZ 280 If possible, transport the appliance to the installation lo- - Enthalpy heat exchanger cation in its original packaging. -
Page 12: Installation
INsTALLATIoN Installation 10. Installation f Carefully raise the front panel by a small amount on the right-hand side. f On the appliance, pull out the plug connecting the program- 10.1 Removing the front panel ming unit with the appliance. Remove the front panel before removing the appliance from the pallet, to avoid damaging the appliance. -
Page 13: Air Ducts
INsTALLATIoN Installation 10.4.1 Insulation against condensation Material losses When warm air meets cold surfaces, condensation can result. f For outdoor air and exhaust air ducts, use vapour proof thermally insulated pipes. f If the supply and extract air ducts are routed through unheated rooms, insulate these ducts as well. -
Page 14: Fitting The Front Panel
INsTALLATIoN Installation f Push the air duct over the air connector. 10.4.7 Supply and extract air vents Supply and extract air vents for the living space are available for wall or ceiling mounting. When venting the kitchen, ensure that the extract air vent is fitted as far as possible from the cooker. -
Page 15: Commissioning
INsTALLATIoN Commissioning 11. Commissioning WARNING Injury If the unit is switched on without the air ducts connected and someone reaches through the air connectors into the unit, there is a risk of injury. Do not commission the unit until the air ducts are firmly connected to it. -
Page 16: Settings
INsTALLATIoN settings 12. Settings When you enter a four-digit code, additional actual values become visible, which were hidden beforehand. 12.1 Parameter Note P6 , P7 , P8 , P9 : This parameter is displayed only if P5 = 0. P10 , P11 , P12 , P13 : This parameter is displayed only if P5 = 1. - Page 17 INsTALLATIoN settings „P5: Fan operating mode „P23 : Frost protection mode „ „ Use this parameter to switch between flow rate control and con- effect stant pressure control. At this setting, the appliance operates solely in frost protection mode. The preheating coil control only measures the outside temperature.
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Page 18: Actual Values
INsTALLATIoN Appliance shutdown 12.2 Actual values 13. Appliance shutdown We recommend running the appliance in fan stage 1, even during display description unit prolonged absence. Bypass damper status Extract air temperature °C Relative humidity of extract air Material losses Filter service life If you interrupt the power supply to the appliance, check Appliance software version that humidity protection is ensured for the building. - Page 19 INsTALLATIoN Maintenance 300° 1 Wing screw f To remove the heat exchanger from the appliance, undo the wing screw, which pushes the support bar against the heat exchanger from below. 1 Eccentric bolt tightened (slot horizontal) 2 Eccentric bolt released f Use a medium sized screwdriver to turn the eccentric bolt anti-clockwise by 300°.
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Page 20: Troubleshooting
INsTALLATIoN Troubleshooting Checking the condensate drain Note The appliance will only function correctly if the conden- sate drain is working and is filled. f Check the condensate drain at regular intervals – at least once every six months. Cleaning the air ducts Air ducts must be checked at regular intervals and cleaned if nec- essary. -
Page 21: Disposal
INsTALLATIoN disposal Sensor resistance values xxx Fault effect remedy No differen- Constant pressure control Isolate the appliance from the tial pressure is not possible. The appli- power supply. Check the sensor Note sensor Ex- ance switches to flow rate cable. Check the pressure hoses When measuring with a multimeter, the resistance values tract air control. -
Page 22: Specification
INsTALLATIoN Specification 17. Specification 17.1 Dimensions and connections LWZ 180 LWZ 280 LWZ 180 Enthalpie LWZ 280 Enthalpie Entry electrical cables Condensate drain Diameter Outdoor air Diameter 160 / 180 160 / 180 160 / 180 160 / 180 g04 Exhaust air Diameter 160 / 180 160 / 180 160 / 180 160 / 180... - Page 23 INsTALLATIoN Specification Heizregister L N PE Schwimmer int. Bedienteil Bypass www.stiebel-eltron.com LWZ 180 / L WZ 280 | ...
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Page 24: Fan Diagram
INsTALLATIoN Specification 17.3 Fan diagram The graph shows the pressure drop for examples of air distribu- tion systems. LWZ 180 / LWZ 180 Enthalpie 0,57 0,45 0,40 0,34 0,36 0,29 0,25 0,23 0,17 0,18 0,13 0,11 0,09 0,20 0,16 0,06...