Contents Contents 4.16 Setting a room thermostat or weather compensator ....14 Safety ..........3 4.17 Checks and maintenance carried out by the operator... 14 Action-related warnings ....3 4.18 Temporarily decommissioning Intended use ........3 the product........15 General safety information..... 4 Care and maintenance ....
Safety 1 1 Safety central heating installations. Operation of the pump outside 1.1 Action-related warnings the application limits results in Classification of action-re- the heat pump being switched lated warnings off by the internal control and The action-related warnings safety devices. are classified in accordance Intended use includes the fol- with the severity of the pos-...
1 Safety ▶ Prevent steam/air mixtures mercial or industrial use is also deemed to be improper. from forming. Keep brine fluid vessels closed. Caution. ▶ Observe the safety data sheet Improper use of any kind is that accompanies the brine prohibited.
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Safety 1 – to constructional condi- if the hot water temperatures tions that may affect the are greater than 50 °C. Young operational reliability of the children and elderly persons are product particularly at risk, even at lower temperatures. 1.3.5 Risk of chemical burns ▶...
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1 Safety ▶ Faults and damage should ▶ If you are going to be away be immediately rectified by a during a cold period, ensure competent person. that the heating installation ▶ Adhere to the maintenance remains in operation and that the rooms are sufficiently intervals specified.
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Safety 1 prevent resulting damage, note Before the product is disposed the following: of, the refrigerant that is con- tained in it must be completely ▶ Check the system pressure drained into a suitable vessel so of the heating installation at that it can then be recycled or regular intervals.
2 Notes on the documentation 2 Notes on the documentation 2.1 Observing other applicable documents ▶ You must observe all operating instruc- tions enclosed with the system compon- ents. 2.2 Storing documents ▶ Keep this manual and all other applic- able documents safe for future use.
Product description 3 3 Product description 3.1 Design of the heat pump system The heat pump system consists of the following components: – Heat pump – VWZ AI heat pump control interface module – Additional hydraulic components, if required – System control The heat pump can be operated by the VWZ AI heat pump control interface module.
3 Product description 3.2 Type designation and serial 3.4 Digital Information and number Analysis System (DIA) The product is equipped with a Digital In- formation and Analysis System (DIA sys- tem). This system provides you with in- formation about the product's operating mode and helps you to eliminate faults.
Operation 4 4 Operation Access to the Display of the menu for addi- symbols for the tional information active operat- 4.1 Operating concept Display of the ing status of the You can operate the product using the se- current configur- pumps lection buttons and the plus/minus buttons.
4 Operation 4.2 Basic display 4.4 Menu display Xxxx Xxxxxxxxxxx Xxxx Xxxxxxx kWh/d Xxxxxxxxxx xxxxxx Xxxxxxx The displays shows the basic display with the current status of the product. If you Scroll bar Selection level press a selection button, the activated Current assign- list entries function is displayed in the display.
Operation 4 4.8 Displaying contact data Setting level Unit Menu → Information → Contact details Cooling op. hours If your competent person has entered their Menu → Basic settings → telephone number during the installation, Language you can read this data under Contact Display contrast data.
4 Operation 4.13 Operating noises 4.14 Activating frost protection ▶ To prevent the product from freezing, ensure that the product is switched on. "Hhmmm..." (*) 4.15 Setting the target feed temperature in heating mode The actual target flow temperature is auto- matically determined by the system con- "Ttsheeh...!"...
Care and maintenance 5 ▶ 4.18 Temporarily decommissioning Do not clean the product with a high- pressure cleaner. the product ▶ At regular intervals, ensure that no ▶ If, during long periods of absence, the branches or leaves have gathered power supply to the flat and to the around the product.
6 Troubleshooting 6.2 Detecting and rectifying faults This section shows all of the fault messages that can be rectified without seeking help from the competent person in order to start up the product again. Fault Cause Remedy The product no longer The power supply has been disconnec- Ensure that there has works.
9.1 Guarantee ▶ Have a competent person permanently Vaillant provides a full parts and labour decommission the product. guarantee for this appliance for the dura- tion as shown on the enclosed registration card which must be fully completed and 8 Recycling and disposal returned within 30 days of installation.
9 Guarantee and customer service all costs associated with this service are excluded from this guarantee. Failure to install and commission this ap- pliance in compliance with the manufac- turer’s instructions will invalidate the guar- antee (this does not affect the customer’s statutory rights).
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