Hoval TopVent TP, Operating Instructions Manual

Page: 37 / 48

7.9 Electrical installation
Caution
Danger of electric shocks. The electrical installation must only be carried
out by a qualified electrician.
Please note the following:
■ Observe all relevant regulations (e.g. EN 60204-1).
■ Choose the dimensions of the cable cross sections in line with the applicable
regulations.
■ Route signal and bus lines separately from mains cables.
■ Make sure the lightning protection system for the units or for the entire building
is planned and carried out by professionals.
■ Provide overload protection equipment on site in the mains connection line of
the zone control panel.
■ Carry out the electrical installation according to the wiring diagram.
■ Secure all connections against working loose.
■ When installing cables, observe the following points:
– Fasten the cables in place with cable mounts and cable ties or with cable
conduits/ducts.
– Use blind rivets.
– Drill holes with a maximum diameter of 5 mm
∅
.
– The maximum drilling depth is 10 mm. Use a drill bit with a depth stop.
– The maximum load resulting from cable holders and cable guides is 10 kg.
– All access panels must be easily removable.
TopVent ® TP unit
■ Connect the power supply to the unit control box.
■ Connect the zone bus to the unit control box.
■ Connect the electrical components of the heat pump system (see Fig. 32 and
Fig. 33).
Temperature sensors
The room air sensor and the fresh air temperature sensor are supplied loose in the
control panel:
■ Install the room air temperature sensor at a representative position in the
occupied area at a height of about 1.5 m. The measured values must not be
distorted by the presence of sources of heat or cold (machines, direct sunlight,
windows, doors, etc.).
■ Install the fresh air temperature sensor at least 3 m above the ground on a
north-facing wall, so that it is protected from direct sunlight. Provide cover for
the sensor and thermally insulate it from the building.
TopVent ® TP options
■ Condensate pump:
– Wire up the condensate pump to the unit control box.
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TopVent ® TP
Transport and installation
4 218 024-en-04