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Table of Contents
Related Manuals for Hewalex VF 750-1
Summary of Contents for Hewalex VF 750-1
- Page 1 WATER HEATER VF 750-1 VF 750-2 VF 1000-1 VF 1000-2 Operating manual 20.11.2012...
- Page 2 DN180 screwed with M10 × 25 (10 pieces). Ex- ternal insulation is made of soft polyurethane foam 80mm thick, covered with PVC jacket made in RAL 9005. SPECIFICATIONS 1-coil heaters VF 750-1 Water heater VF 1000-1 Water heater 20.11.2012...
- Page 3 2-coil heaters VF 750-2 Water heater VF 1000-2 Water heater Dimen- Connecting pipe VF 750-1 VF 1000-1 Connecting pipe VF 750-2 VF 1000-2 sion GZ 5/4“ GZ 5/4“ GZ 5/4“ GZ 1“ GZ 5/4“ 1314 1324 GZ 1“ GZ 1“...
- Page 4 Connecting the heater to the cold water system is shown in the figure 1. Shut-off valve Check valve Expansion vessel VF 750-1, VF 750-2 : (min.35dm ), VF 1000-1, VF 1000-2 : (min.50dm Safety valve (max. opening pressure - according to nameplate) Drain valve - The heater must be equipped with a safety valve with a maximum opening pressure specified on the nameplate affixed to the heater.
- Page 5 EXEMPLARY CONNECTION OF THE HEAER TO THE HEATING SYSTEM Exemplary connection of the heater to the heating system with the solar collectors is shown in the figure 2. All heating devices must be connected to the respective heater pipes. If the installation is equipped with the solar collectors they must always be connected to the lower heater coil.
- Page 6 HEATER CLEANING AND ANODE RODE REPLACEMENT As a result of repeated water heating, the scale will deposit on the inner walls of the heater and mostly on the flange cover. Scaling depends upon the hardness, temperature and amount of water used. It is recommended to perform the operational inspection of the heater after two years of use.
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