STIEBEL ELTRON LWZ 504 Operation
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STIEBEL ELTRON LWZ 504 Operation

Central ventilation appliance with heat recovery
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OPERATION
Central ventilation appliance with heat recovery
» LWZ 504

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Summary of Contents for STIEBEL ELTRON LWZ 504

  • Page 1 OPERATION Central ventilation appliance with heat recovery » LWZ 504...

  • Page 2: Table Of Contents

    CONTENTS | SPECIAL INFORMATION SPECIAL INFORMATION 6.11 The accommodation is too cold in winter������������������ 18 6.12 The accommodation is too hot in winter ������������������� 18 OPERATION 6.13 The accommodation is too cold in spring and autumn � 18 General information �����������������������������������������3 6.14 The accommodation is too hot in spring and autumn ��...

  • Page 3: Operation

    OPERATION General information OPERATION Symbol Meaning Material losses (appliance damage, consequential losses and environmen- tal pollution) Appliance disposal General information This manual is intended for the appliance user and qualified con- f This symbol indicates that you have to do something. The ac- tractors.

  • Page 4: Ce Designation

    OPERATION Appliance description Appliance description WARNING Injury The appliance may be used by children aged 8 and older Heat is recovered from the extract air by means of a highly efficient and persons with reduced physical, sensory or mental cross-countercurrent heat exchanger and an air/water heat pump. capabilities or a lack of experience and know-how, pro- In addition, heat is extracted from the outdoor air.

  • Page 5: Operation

    OPERATION Operation Operation Filter change, top: The extract air filter is contaminated. Please change the extract air filter. Controls Filter change, bottom: The supply air filter is contaminated. Please change the supply air filter. WEDNESDAY 10 SEPT 14 10:23 H OUTSIDE TEMPERATURE 27.0 °C DHW TEMPERATURE...
  • Page 6 OPERATION Operation 4.1.3 Scroll wheel Selection indicator As you move through the menu and parameter levels, the selection indicator shows your current position. Either a dark background appears or the current list entry is highlighted by two lines, one above and one below. Circular movement If you brush a finger clockwise along the recessed scroll wheel, the highlighting field moves through the list of parameters either...

  • Page 7: Operating Modes

    OPERATION Operation Example 2 4.2.3 DAY MODE The OK key is used to confirm parameter entries. The newly set In day mode (generally while occupants are present in the house, value is not saved until you press "OK". during the day), the heating system operates with the selected set day values.

  • Page 8: Entering Parameters

    OPERATION Operation 4.3.2 Ventilation stages 4.3.4 DIRECT LINE If you know the number of the required parameter (for example WARNING – INJURY P37), you can move straight there with the direct line. If there is a radio or police announcement ordering win- f On the default screen, turn the scroll wheel until keyword dows and doors to be kept closed, simply select fan stage "DIRECT LINE"...

  • Page 9: Main Menu

    OPERATION Operation ACTUAL VALUES Example 2 „ „ To set holiday dates, a calendar page for the selected month ap- MAIN MENU pears. ACTUAL VALUES Settings HOLIDAY PROGRAM-PARTY HOLS BEGINNING HOLIDAY PROGRAM MON TUE WED THU FRI SAT SUN DIAGNOSIS PROGRAMS 02 03 04 05 06 07 08 SETTINGS...

  • Page 10: Programs

    OPERATION Operation „ „ PROGRAMS MAIN MENU SETTINGS PROGRAMS HEATING PROGRAM HC If automatic mode is set, this is where you define the time pro- grams that control the appliance. - -:- - - -:- - HEATING PROGRAM … „ TIME TIME …...

  • Page 11: X85; „

    OPERATION Operation … …„ HOLS BEGINNING … ……„ MAX. SET VALUE HC1 … ……„ … ……„ MIN. SET VALUE HC1 … ……„ … ……„ MONTH HEATING CURVE HC1 … ……„ YEAR … ……„ HOUR The room temperature will only remain constant irrespective of …...
  • Page 12 OPERATION Operation … ……„ LOW END … ……„ HEATING CURVE By changing the "LOW END" parameter, you cause a parallel offset Under this parameter, you can display the heating curves for both of the heating curve. Typical applications are explained in the heating circuits.

  • Page 13: Dhw

    OPERATION Operation If you have set the heating curve successfully, set the thermostatic … …„ VENTILATION STAGES valves to the required temperature. The fans can run in three different stages. Note Stage Never reduce the temperature in the entire building by Ventilation for Necessary ventilation for ensuring that the building humidity pro-...

  • Page 14: Cooling

    OPERATION Operation Fan output correction (stage 1/2/3) subject to humidity by 3 K for 2 hours. If the room temperature is then higher than the set room temperature for cooling by the amount set in the "HYST. For output stages 1, 2 and 3, the qualified contractor can activate a ROOM TEMP."...

  • Page 15: Dry Heating Program

    OPERATION Operation perature differential. The greater the value of the solar differential … ……„ ROOM TEMP CORRECTION temperature, the later the solar circuit pump starts when the sun If the room temperature captured by the programming unit does comes out. At the same time, the risk of heat loss from the cyl- not correspond with the actual room temperature, for example if inder is reduced.

  • Page 16: Contractor

    OPERATION Cleaning, care and maintenance … …„ SUMMERTIME MANUAL … ……„ FAULT LIST Under the "SUMMERTIME MANUAL" menu item, you can set the The fault list is also accessible to you as a customer. There, you period for summertime. receive an overview of the faults most recently registered by the appliance.

  • Page 17: Troubleshooting

    OPERATION Troubleshooting Note Have the cross-countercurrent heat exchanger, outdoor air filter, evaporator and fans checked and (if required) cleaned once a year by a qualified contractor. Cleaning the extract and supply air valve filters f If installed, clean the extract air valve filters through which air is extracted from the rooms.

  • Page 18: The Fault Symbol Appears

    OPERATION Troubleshooting The fault symbol appears The accommodation is always too cold Increase the low end temperature of the heating curve. Raise the   Note temperature by the number of degrees you require to obtain a If this symbol appears, it means a fault has occurred. comfortable temperature.
  • Page 19 OPERATION Troubleshooting If you cannot remedy the fault, notify your qualified contractor. To facilitate and speed up your request, provide the number from the type plate (000000-0000-000000). 1 Type plate www.stiebel-eltron.com LWZ 504  |...

  • Page 20: Menu Structure

    OPERATION Menu structure Menu structure Note Some menu items are protected by a code and can only be accessed and adjusted by a qualified contractor. Menu item/parameter Options Direct Unit Description „ „ ACTUAL VALUES … „ ROOM TEMPERATURE … …„...
  • Page 21 OPERATION Menu structure Menu item/parameter Options Direct Unit Description … …„ CONDENSER TEMP. °C In the condenser, the refrigerant is liquefied at high pressure. This releases heat which is transferred to the heating medium. In the condenser, the refrigerant is liquefied at high pressure. This releases heat which is trans- ferred to the heating medium.
  • Page 22 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation „ „ PROGRAMS … „ HEATING PROGRAM „ „ „ „ „ „ „ „ „ … …„ HEATING CIRCUIT 1 …...
  • Page 23 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation … ……„ MAX. SET VALUE HC1 °C … ……„ MIN. SET VALUE HC1 °C … ……„ HEATING CURVE HC1 …...
  • Page 24 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation … ……„ PARTY STAGE 3 (factory set- ting: 0) … ……„ MANUAL STAGE 2 (factory set- ting: 0) … …„...
  • Page 25 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation … ……„ HYST. ROOM TEMP. HC2 … …„ STANDARD SETTING … ……„ COOLING CAPACITY … ……„ PROP. BAND COOLING …...
  • Page 26 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation … ……„ DAY ENDING … ………„ … ………„ MONTH … …„ SUMMERTIME AUTOMATIC OFF | ON „ „ CONTRACTOR … „...
  • Page 27 OPERATION Menu structure Menu item/parameter Options Direct Unit Dis- min. Max. Standard Energy sav- System play ing recom- value only mendation … …„ LP FILTERED … …„ POSITION VALVE … …„ PWM SOLAR PUMP … …„ PWM HTG CIRCUIT PUMP …...
  • Page 28 GUARANTEE | ENVIRONMENT AND RECYCLING Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only grant- ed if the subsidiary has issued its own terms of guarantee.
  • Page 29 NOTES www.stiebel-eltron.com LWZ 504  |...
  • Page 30 NOTES |  LWZ 504 www.stiebel-eltron.com...
  • Page 31 NOTES www.stiebel-eltron.com LWZ 504  |...
  • Page 32   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.

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