1070719 • Version 1.1 • 05.10.2012ENIntroductionOverviewIntroduction This is the installation and service manual for the HCV 4 and HCV 5v12 domestic venti-lation units from Dantherm Air Handling.The table of contents below lists the sections in this manual.Serial number This guide covers units with serial numbers higher than: 1201091250905Warning The duct system must not be installed until the unit is ready for use. The power mustnot be connected until the duct system has been installed.The ventilation unit should not be used to dry newly built houses, during constructionor immediately after construction.The unit should only be installed at ambient temperatures of 10° or higher.The ducts must be covered, and the unit must not be connected until the house is readyfor occupation, which means that the house is clean and dry. This is to prevent buildingdust and condensation from settling in the duct system and to prevent hygiene prob-lems in the ventilation unit at a later date.If the above is not complied with, the warranty on the unit will lapse and any type ofservice will be carried out at the customer's expense.Content The manual covers the following sections:Introduction................................................................................................................ 1Overview .............................................................................................................. 1General information ............................................................................................. 2Product description .............................................................................................. 3Assembly and installation ........................................................................................... 5Assembly ............................................................................................................. 5Adjustment .......................................................................................................... 9Set points and control strategies ........................................................................ 13Service ...................................................................................................................... 14Preventive maintenance...................................................................................... 14Spare parts list HCV 4 ........................................................................................ 17Spare parts list, HCV 5v12 .................................................................................. 19Troubleshooting guide ....................................................................................... 21Service agreement .............................................................................................. 26Technical data ................................................................................................... 27Dimensions, HCV 4 ............................................................................................ 29Dimensions, HCV 5v12....................................................................................... 30Electrical diagram .............................................................................................. 31Index ................................................................................................................. 32