1 Use
1.1 Intended use
TopVent
®
NGV units are heaters intended for heating high
spaces operating with air recirculation.
Intended use also includes compliance with the operating
instructions. Any use beyond this is considered improper
use. The manufacturer can accept no liability for damage
resulting from improper use.
1.2 User group
The units are only allowed to be installed, operated and
maintained by authorised and instructed personnel who
are well acquainted with the units and are informed about
possible dangers.
The operating instructions are for operating engineers and
technicians as well as specialists in building, heating and
ventilation technology.
1.3 Hazards
TopVent
®
NGV units are state-of-the-art and safe to operate.
Despite every precaution being taken, potential and not
immediately obvious risks always remain, for example:
■
Dangers when working with the electrical system
■
Dangers when working with components of the gas circuit
■
When working on the unit, objects (e.g. tools) could be
dropped.
■
Malfunctions as a result of defective parts
■
Danger caused by coming in contact with hot components
when carrying out work inside the unit or on the flue gas
system
2 Construction and operation
TopVent
®
NGV has been specially developed for use in high
spaces. It fulfils the following functions:
■
Heating (with gas-fired heat exchanger)
■
Recirculation operation
■
Air distribution via outlet nozzle
■
Air filtration (optional)
The unit is mounted under the ceiling and draws in room air.
The air is heated in a gas-fired heat exchanger and blown
back into the room through the outlet nozzle.
With its high performance and efficient air distribution, the
TopVent
®
NGV covers a large area. Therefore, compared
to other systems, fewer units are needed to achieve the
required conditions.
2 different unit sizes and diverse output levels, as well as a
broad range of accessories make possible solutions tailored
to the requirements of each individual hall.
2.1 Unit construction
TopVent
®
NGV consists of the heater unit and the outlet
nozzle. Both components are bolted together, but can be
dismantled separately again.
20
TopVent
®
NGV
Use
