STIEBEL ELTRON LWZ 130 Operation And Installation Instructions Manual
Centralised ventilation unit with heat recovery
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- Operations & installation manual (96 pages) ,
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Troubleshooting
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Summary of Contents for STIEBEL ELTRON LWZ 130
- Page 1 BEDIENUNG UND INSTALLATION OPERATION AND INSTALLATION OBSLUHA A INSTALACE Zentrales Lüftungsgerät mit Wärmerückgewinnung | Centralised ventilation unit with heat recovery | Centrální větrací přístroj s rekuperací tepla » LWZ 130 » LWZ 130 Enthalpie...
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Page 2: Table Of Contents
Frost protection ������������������������������������������������� 33 „ P27 : Temperature differential for enabling passive Passive cooling �������������������������������������������������� 33 cooling ������������������������������������������������������������ 47 LWZ 130 Enthalpie : Enthalpy heat exchanger ������������� 33 „ P29 : Appliance type �������������������������������������������� 47 Settings ����������������������������������������������������� 33 „ P30 : Temperature for enabling frost protection ���������� 47 Switching the appliance on �����������������������������������... -
Page 3: Special Information
SPECIAL INFORMATION | OPERATION General information SPECIAL INFORMATION OPERATION - The appliance may be used by children over 8 General information years of age and persons with reduced physical, sensory or mental capabilities or a lack of ex- The chapters "Special information" and "Operation" are intended for both users and qualified contractors. -
Page 4: Information On The Appliance
OPERATION Safety Safety f This symbol indicates that you have to do something. The ac- tion you need to take is described step by step. Intended use Information on the appliance The appliance is designed as a mechanical ventilation unit with Symbol Meaning central supply and extract air routing. -
Page 5: Appliance Description
LWZ 130 Enthalpie : Enthalpy heat exchanger the residential unit. Reduced "Fan" sym- Reduced ventilation is the ventilation neces-... -
Page 6: Selecting The Fan Stage
OPERATION Settings Selecting the fan stage 4.2.1 Controls From the home screen, you can use the Touch-Wheel to select fan Control Description stages 0, 1 and 2. The set value is accepted without you having to "MENU" Press this button for approx. one second to call up the menu press a button to confirm it. -
Page 7: X84;P1 : Set Room Temperature
OPERATION Settings 4.5.1 Parameter P3 = 2 : Passive cooling with summer day detection In order for passive cooling to be enabled, the following condition Description Unit Min. Max. Options must apply for 60 minutes: Outdoor air temperature > Set room Set room temperature °C temperature + P27... -
Page 8: P83 : Mode Of Backlighting
OPERATION Settings „P83 : Mode of backlighting Time pro- gram x Day or group of Fan stage Start time Stop time Effect days Backlighting switched on … „ OFF Backlighting switched off … „ Auto If no user action occurs within the time selected in the illumination du- …... -
Page 9: Cod
OPERATION Maintenance, cleaning and care 4.5.4 Code When the total fan runtimes reach the “Filter change interval” value, which can be set by the qualified contractor, the program- ming unit displays the “Filter” symbol. „Cod The qualified contractor can lengthen or shorten the interval for You can use this menu item to enable actual values and parame- inspecting filters depending on the level of contamination. -
Page 10: Troubleshooting
OPERATION Troubleshooting Troubleshooting Coarse particle filter mat ( White , G4 ) : This filter does not have a preferred direction of flow. Faults detected by the appliance are stored in actual values I70 to f After inserting the filter, flip the grille shut again. I79. -
Page 11: Installation
INsTALLATIoN Safety INsTALLATIoN Simultaneous operation For simultaneous operation of combustion equipment and a me- chanical ventilation system, we recommend choosing approved room sealed combustion equipment (in Germany, with DIBt ap- proval). Safety If open flue combustion equipment is operated in the dwelling Only a qualified contractor should carry out installation, commis- at the same time as a ventilation unit, combustion exhaust gases sioning, maintenance and repair of the appliance. -
Page 12: Appliance Description
Material losses Ensure the appliance is level after installation. Standard delivery LWZ 130: The installation room must have an adequate condensate The following are delivered with the appliance: drain with siphon. - Hardwired programming unit for wall mounting on finished... -
Page 13: Transport
A condensate drain hose must not be connected in the Material losses case of appliances with an enthalpy heat exchanger. f LWZ 130: Always install the appliance horizontally so that any condensate arising can flow into the con- Material losses densate drain. -
Page 14: Air Ducts
INsTALLATIoN Installation f Push the other end of the hose bend onto the connection on Note the float module. Secure the hose bend with a cable tie. Prevent air from being drawn in through the condensate f Connect the supplied vent hose to the float module. The con- drain. - Page 15 INsTALLATIoN Installation 10.3.2 Connecting air ducts to the appliance 10.3.5 Overflow apertures You can connect air ducts with two different diameters to the Living rooms and bedrooms are only supplied with air. Air is only appliance. extracted from rooms where odours and moisture are generated. Ensure an unimpeded overflow and consequently air balancing.
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Page 16: Electrical Connection
INsTALLATIoN Installation 10.4 Electrical connection Power supply The appliance is delivered with a power cable without a plug. WARNING Electrocution Carry out all electrical connection and installation work Strain relief casing in accordance with national and regional regulations. Note WARNING Electrocution Never place the half shells of the strain relief casing to- The connection to the power supply must be in the form gether before you have prepared the cable and connected... -
Page 17: Overflow Apertures
INsTALLATIoN Commissioning 11. Commissioning Window contact You can connect a window contact to terminal X18. The window contact is required for passive cooling. The appliance checks WARNING Injury whether a window contact is connected and activated at X18. If the unit is switched on without the air ducts connected and someone reaches through the air connectors into the The window contact must be an N/O contact. -
Page 18: Settings
INsTALLATIoN Settings 12. Settings 12.1 Parameter LWZ 130 LWZ 130 Enthalpie Description Code Unit Min. Max. Options Stand- Min. Max. Options Stand- Set room temperature °C 5 Intensive ventilation runtime min 1 Passive cooling operating mode 0 | 1 | 2 | 3 0 | 1 | 2 | 3 Reset filter 0 | 1 0 | 1... -
Page 19: X84;P14 : Supply Air Flow Rate Offset
INsTALLATIoN Settings „P14 : Supply air flow rate offset „P26 : Passive cooling hysteresis Use this parameter to adjust the supply air flow rate during com- To make cooling possible, the outdoor air temperature must be missioning. The offset relates to standard ventilation. The offset lower than the extract air temperature by the value set in this is converted internally as a percentage for the other fan stages. -
Page 20: X84;P34: Window Contact Operating Mode
INsTALLATIoN Appliance shutdown „P34: Window contact operating mode 13. Appliance shutdown f Set whether the window contact should be taken into account We recommend running the appliance in fan stage 1, even during in the bypass function. prolonged absence. Effect Material losses The supply air fan is switched off independently of the window contact. - Page 21 INsTALLATIoN Maintenance Clean the float module of the condensate pump Refitting the components f Push the fan units back into the appliance. This section is not necessary if no condensate pump is connected. f Reconnect the fan cables. f Check the functionality of the float module every two years. If necessary, clean the float module.
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Page 22: Troubleshooting
INsTALLATIoN Troubleshooting 15. Troubleshooting Fault Effect Remedy E203 Sensor voltage The unit controls the fans Isolate the appliance from incorrect with the maximum value the power supply. Check the WARNING Electrocution of the currently set fan sensor voltage after discon- stage. -
Page 23: Specification
Condensate drain Diameter 16.5 Outdoor air Diameter g04 Exhaust air Diameter Extract air Diameter g06 Supply air Diameter LWZ 130 Enthalpie 1036 1113 LWZ 130 Enthalpie b07 Electrical connection Outdoor air Diameter g04 Exhaust air Diameter Extract air Diameter g06 Supply air Diameter www.stiebel-eltron.com ... -
Page 24: Fan Diagram
INsTALLATIoN Specification 17.2 Fan diagram The graph shows the pressure drop for examples of air distribution systems. Application range Maximum fan curve Air flow rate [m³/h] System curves Average value, static pressure [Pa] | LWZ 130 www.stiebel-eltron.com... -
Page 25: Wiring Diagram
INsTALLATIoN Specification 17.3 Wiring diagram (GN) (PK) (GY) ~ 230 V L (BN) N (BU) > 65°C > 20°C 1000 W L (BN) N (BU) L (BN) 1 2 3 4 N (BU) 1 2 3 4 1 2 3 4 1 2 3 4 Power supply Frost protection heating... -
Page 26: Data Table
INSTALLATION | GUARANTEE | ENVIRONMENT AND RECYCLING Specification 17.4 Data table LWZ 130 LWZ 130 Enthalpie 237805 237806 Sound emissions Sound power level with standard ventilation and 50 Pa, external dB(A) Sound power level (EN 12102) dB(A) Application limits Application range, outdoor air (temperature) °C -15-40 -15-40 Application range, extract air (temperature) °C 15-35 15-35... -
Page 27: Filter Inspection Log
FILTER INSPECTION LOG Filters in appliance Date Filter dirty Filter cleaned Filter changed Filters in extract air/supply air apertures (if present) Date Filter dirty Filter cleaned Filter changed www.stiebel-eltron.com LWZ 130 |... - Page 28 Deutschland Verkauf Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de STIEBEL ELTRON GmbH & Co. KG Kundendienst Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de Dr.-Stiebel-Straße 33 | 37603 Holzminden Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de Tel.