Instructions for use For the operator Instructions for use aroTHERM VWL 85/2; VWL 115/2 UK Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Telefon 021 91 18‑0 Telefax 021 91 18‑28 10 info@vaillant.de www.vaillant.
Contents Contents 4.8 Displaying contact data........................................ 19 4.9 Displaying the serial number and article number................................................................. 19 1 Safety .................................................................... 4 1.1 Action-related warnings ......................................... 4 4.10 Setting the display contrast ................................. 19 1.2 General safety information ....................................
Contents 9 Guarantee and customer service..................... 24 9.1 Guarantee............................................................ 24 9.2 Customer service................................................. 25 Index ....................................................................................
1 Safety 1 1.1 Safety Action-related warnings 1.2 General safety information 1.2.1 Danger due to incorrect handling Classification of action-related warnings The action-related warnings are classified in accordance with the severity of the possible danger using the following warning signs and signal words: ▶ Read through these instructions carefully. ▶ When using the product, observe the general safety information and warnings. ▶ When using the product, observe all applicable national regulations .
Safety 1 1.2.3 Danger due to improper use There is a risk of injury or death to the user or others, or of damage to the product and other property in the event of improper use or use for which it is not intended. Only use the product in accordance with the provisions. 1.2.4 Preventing the risk of injury from corrosive brine fluid 1.2.
1 Safety 1.2.7 Risk of death due to lack of safety devices A lack of safety devices (e.g. expansion relief valve, expansion vessel) can lead to potentially fatal scalding and other injuries, e.g. due to explosions. ▶ Have your competent person check that all required isolator devices are present in your heating installation. 1.2.8 Preventing the risk of injury from freezing as a result of touching coolant The heat pump is delivered with an operational filling of R410A coolant.
Safety 1 – The structural conditions that may affect the operational safety of the product. 1.2.11 Frost damage due to an unsuitable installation site 1.2.10 Risk of injury and material damage due to incorrect maintenance or repairs Frost poses a risk of damage to the product and the whole heating installation.
1 Safety ▶ If you are going to be away during a cold period, ensure that the heating installation remains in operation and that the rooms are sufficiently heated. ▶ You must observe the frost protection instructions. 1.2.13 Frost damage caused by a power cut During installation, your competent person connected your product to the power mains. If the power supply is cut, it is possible that parts of the heating installation may become damaged by frost.
Safety 1 then be recycled or disposed of in accordance 1.3.2 User qualification with the regulations. This product can be used by children over ▶ Ensure that only officially certified comeight years old and also by persons with limpetent persons with appropriate protective ited physical, sensory or mental capabilities equipment perform maintenance work or or insufficient experience and/or knowledge if access the coolant circuit.
1 Safety 1.3.4 Improper use Any use which is not explicitly mentioned in the section "Intended use" is deemed improper. Any other or additional use does not comply with the intended use. Any direct commercial or industrial use is also deemed to be improper. 1.4 CE label CE labelling shows that, based on the type overview, the products comply with the basic requirements of the following directives. 1.3.
Notes on the documentation 2 2 2.1 ▶ 2.2 ▶ 2.3 Notes on the documentation Observing other applicable documents You must observe all operating instructions enclosed with the system components. Storing documents Keep this manual and all other applicable documents safe for future use. Applicability of the instructions These instructions apply only for the following heat pumps, hereinafter referred to as the "product": Type designation Art. no.
3 Product description 3 3.
Product description 3 – – – – Heat pump VWZ AI heat pump control module Additional hydraulic components, if required System controller The heat pump can be operated by the VWZ AI heat pump control module. The extended operation of the heat pump is carried out by the system controller.
3 Product description 3.2 Type designation and serial number 3.3 Overview of the operator control elements of the VWZ AI heat pump control module 1 3 1 2 1 1 The type designation and serial number are on the identification plate (1). Fault clearance key The fault clearance key is used to reset the heat pump faults and heat pump accessory faults. 3.
Product description 3 The display lights up – – DIA system operator control elements if you switch on the product or if you press a button in the DIA system while the product is switched on. At first, pressing this button does not trigger any other function. The light goes out after one minute if you do not press any button.
4 Operation 1 2 3 4 Display of the daily energy yield Display of the current configuration of the righthand selection button Left- and right-hand selection buttons Minus and plus buttons 5 6 7 Access to the menu for additional information Display of the current configuration of the lefthand selection button Display of the symbols for the active operating status of the pumps Heating mode: – – The symbol lights up permanently: Heat requirement is present The symbol is not visible: Heating mode is not a
Operation 4 As soon as a fault message is present, the basic displays switches to the fault message. Menu Water pressure Live Monitor Information Back 4.3 The product has two operating levels. Select A highlighted object is indicated in the display as light text on a dark background. 4.2 Basic display 50 Operating levels The operating level for the operator shows the most important information and offers set-up options which do not require any special prior knowledge.
4 Operation 4.4 Design of the menu 4 3 4.4.1 Setting level Menu Water pressure Live Monitor Information Back 1 Select 2 1 Operator level overview Scroll bar (only appears if there are more list entries than can be shown at once on the display) 2 3 4 Current configuration of the right- and left-hand selection buttons (soft key function) Selection level list entries Name of the selection level The menu is split into two selection levels.
Operation 4 Setting level Unit 4.7 Reading the operating statistics Menu → Information → Heating op. hours Operating hrs. Cooling Menu → Information → Cooling op. hours Menu → Basic settings → Language Menu → Information → Total operating hours 15 Display contrast In each case, you can display the operating hours for the heating mode, the cooling mode and the overall operation. Menu → Resets → 4.8 No sub-items Available Menu → Information → Contact details 4.
5 Operation 4.11 Setting the language 5.3 If you want to set another language: ▶ ▶ ▶ ▶ ▶ ▶ 5 5.1 ▶ 5.2 ▶ Press and hold and at the same time. Also press the fault clearance key for a short time. Press and hold and until the display shows the language setting. Select the required language by pressing or . Press (OK) to confirm your selection. Once you have set the correct language, press (OK) again to confirm this.
Operation 5 5.5 Checks and maintenance carried out by the operator ▶ The product switches off if the filling pressure in the heating installation falls below 0.05 MPa (0.5bar). ▶ Top up with water. 5.5.1 1. 2. 3. 4. 1. Cleaning the product Switch the product off before you clean it. Clean the product's casing with a damp cloth and a little soap. Never use scouring or cleaning agents which could damage the casing or the operator control elements.
6 Troubleshooting 6 6.1 Troubleshooting Reading the fault message Fault 01/3 42 Coding resistor Back Delete Fault messages have priority over all other displays and are shown instead of the basic display. If several faults occur at the same time, these are each displayed alternately for two seconds each. ▶ ▶ 22 If your product displays a fault message, contact a competent person. To find out more information about the status of your product, call up the "Live Monitor" (→ Page 19).
Troubleshooting 6 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. Remedy (→ Page 23) ▶ If the product still does not function after the fault has been rectified, contact your competent person. Fault Cause Remedy The product no longer works.
7 Decommissioning 7 7.1 ▶ 8 8.1 Decommissioning Having the product permanently decommissioned Have a competent person permanently decommission the product. Recycling and disposal Disposing of the packaging The competent person who installed your product is responsible for the disposal of the packaging. 8.2 If your heat pump system is marked with this symbol, it does not belong with your household waste at the end of its useful life.
Guarantee and customer service 9 Gas Safety (Installation and Use) Regulations 1998, and the manufacturer’s instructions. In the UK competent persons approved at the time by the Health and Safety Executive undertake the work in compliance with safe and satisfactory standards. Installers should also be fully conversant with and competent with all necessary electrical and building regulations that may apply to the installation.
Index Index A Article number ......................................................................19 B Basic display ........................................................................17 Building circuit pressure Displaying .......................................................................19 C Care......................................................................................21 Contact details......................................................................19 Controller Setting.......
0020151761_00 26.06.2013 Vaillant Ltd Nottingham Road Belper Telephone 08 45 602 29 22 info@vaillant.co.uk Derbyshire DE56 1JT Vaillant Service Solutions 080 70 606 07 77 www.vaillant.co.uk © Vaillant GmbH 2013 These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.
