Your Safety 1 Extreme operating conditions 2 Identification of the Unit 3 Extreme Operating Conditions Your Safety Symbols used This unit has been designed to operate within the range of temperatures indicated on Figure 2.1. Ensure that Danger! these ranges are not exceeded. Direct danger for life and health.
4 Declaration of Conformity 5 Description of the Unit Declaration of Conformity Indoor Unit The manufacturer declares that this unit has been The indoor unit provides acclimatised air inside the designed and constructed in compliance with the room to be acclimatised. standard in force with regard to obtaining the CE Marking.
Description of the Unit 5 Outdoor Unit The outdoor unit ensures that the absorbed air is released to the outside from the room during operation in cooling mode and that the heat introduced into the room during operation in heat pump mode is taken from the outside.
5 Description of the Unit Remote Controller The remote control allows using the unit. Connections and Channels This unit has the following connections and channels: - Gas (G) and liquid channels (L): they carry the cooling agent between the outdoor and indoor unit. - Discharge channels for condensed water (in the outdoor and indoor unit): they allow the water to be properly discharged which condenses during the...
Max. height OU under IU Chargeless lenght Additional charge per meter Table 5.4 Technical specifications. Note! As part of its policy for ongoing improvements of its products, Vaillant reserves the right to modify these specifications without prior notice. Split Type Installation Manual...
To avoid this: personnel. - Use transport and lifting gear with suitable The personnel authorised by Vaillant must be suitably load capacity for the unit weight. qualified and able to install the unit correctly. - Use the transport and lifting gear correctly (consult the respective user manuals).
Installation 8 Installation of the indoor unit 9 Installation of the Indoor Unit General Installation Diagram Warning! Selecting the Assembly Location Danger of breakdowns or malfunction. Observe the minimum assembly distances Warning! indicated in Figure 8.1. Danger of breakdowns or malfunction. Observe the minimum assembly distances indicated in Figure 8.1.
- The natural tilt of the condensed water pipe from the In specialised dealers you will find coolant pipes indoor unit to the container (washbasin, sink, etc.). which are thermally insulated as a Vaillant Different invisible installation solutions also exist. accessory.
Installation of the indoor unit 9 9.3.3 Handling the Condensed Water Pipe Warning! Danger of breakdowns or malfunction. Danger of incorrect drainage of the condensed water and wear of materials due to dripping water. Take the following points into consideration: - Ensure that air circulates through the condensed water pipe in order to guarantee that the water can be freely released.
9 Installation of the indoor unit 9.3.4 Making Holes for the Pipes 9.3.5 Laying the Pipes • Case A: laying the rear piping. • If installing the rear piping: In the event of laying the rear piping, a suitable hole •...
Installation of the indoor unit 9 Installation of the outdoor unit 10 10 Installation of the Outdoor Unit 10.1 Selecting the Assembly Location Danger of personal injury and material damage from explosion! Install the unit away from gases or inflammable or easily combustible substances and free from thick dust formation.
10 Installation of the outdoor unit 10.2 Planning the Coolant Return The coolant circuit contains a special oil to lubricate the outdoor unit compressor. To assist the return of the oil to the compressor the following is recommended: - that the indoor unit is located higher than the outdoor unit and, - that the suction pipe (the thickest one) is assembled with the tilt towards the compressor.
Installation of the outdoor unit 10 Electric Wiring 11 Electric Wiring 10.4 Connection of the Pipe for the Drainage of the Condensed Water 11.1 Safety Precautions Note! Applicable only to those units that have built-in Danger! heat pumps. Danger of electric shock. Before connecting the unit to the electric Whilst the unit is running with the heat pump function, supply line, ensure that the line is not live.
11 Electric Wiring Warning! 11.3 Electric Connection of the Indoor Unit Danger of breakdowns or malfunction. Size the electric wiring with sufficient capacity. Warning! Danger of breakdowns or malfunction. If the fuse on the PC board is blown please change it Warning! with type T.
Electric Wiring 11 ���� ���� ���� ���� ���� ���� ��� ��� ��� ��� ��� ��� ���� ���� ���� ���� ���� ���� ��� ��� ��� ��� ��� ��� 11.4 Electric Connection of the Outdoor Unit Fig. 11.2 Wiring indoor unit, model V 7-025 NW and V 7-035 NW. Legend Warning! Strip for the indoor unit...
11 Electric Wiring 11.5 Electric Characteristics V 7-025 NW V 7-035 NW 230/1/50 Hz 230/1/50 Hz Voltage INTERCONNECT INTERCONNECT Outdoor Unit section up to 2 meter INTERCONNECT INTERCONNECT Outdoor Unit section up to 25 meter Interconnect section up to 2 meter Interconnect section up to 25 meter PLUG PLUG...
Preparation for Use 12 12 Preparation for Use 12.2 Purging the Installation This consists of the following steps: • Checking for Leaks. • Purging the installation. • Start up. • Troubleshooting. 12.1 Checking for leaks 12.2 Purging the installation Legend Suction valve (gas) 2 Return valve (liquid) 3 Combined meter...
12 Preparation for Use • Close the low valve on the combined meter, disconnect the vacuum pump and close the vacuum valve. • Check the manometer needle after approximately 10- 15 minutes have elapsed: the pressure should not rise. If it does rise, there are leaks in the circuit: repair them (check the joints, joins, the indoor and outdoor parts and the technical service faucets).
Preparation for Use 12 12.4 Troubleshooting If the event of a gas leak, proceed as follows: • Purge the installation removing the coolant by pumping. - You need a suction pump and a recycling bottle. Warning! Never dump coolant into the environment! Coolant is a harmful product for the environment.