8.3 Gas connection
Caution
Risk of injury from incorrect handling. The gas
connection may only be carried out by specialists
authorised by the gas supply company!
Please note the following:
■
The fuel used is natural gas. Check the type of gas the
unit is set to work with and, if necessary, have Hoval
Customer Service reset the unit to the type of gas
supplied locally.
■
During operation of the unit, the required quantity of
gas and the necessary pressure of gas must be present
constantly.
■
Connect the gas supply line with appropriate bolted joints
which can be loosened, tension-free and vibration-free.
■
The connection of the unit to the gas supply line must be
gas-tight.
■
Ensure that a gas pressure regulator and a cut-off-valve
(not part of the scope of supply) are installed directly
before the unit.
■
1
Gas pressure regulator (20…50 mbar)
Recommended settings:
–
Natural gas G20 20 mbar
–
Natural gas G25 25 mbar
■
2
Cut-off-valve
Fig. E4: Gas pressure regulator and cut-off valve in the gas supply line
8.4 Electrical installation
Caution
Danger of electric shocks. The electrical installation is
to be carried out only by a qualified electrician!
■
Observe all relevant regulations (e.g. EN 60204-1).
■
Check whether the local operating voltage, frequency and
fuse protection match the data on the type plate. If there
are any discrepancies, the unit must not be connected!
■
Cable cross-sections must be selected according to tech
-
nical regulations, e. g. VDE 0100.
■
Electrical installation to be carried out according to wiring
diagram.
■
Do not forget the master switch for the complete
installation.
A TempTronic can control up to 8 TopVent
®
units
simultaneously:
■
Connect TempTronic and the units to each other via a
system bus.
■
Assign a number to each unit:
– Micro switch S1 on the power module
– Micro switch J14 on the burner control
58
TopVent
®
MG
Transport and installation
