Nortek Reznor FSE 100, Installation, Commissioning, Servicing

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PAGE 30 Reznor, FSE, Installation Manual, EN 2020-02, D301160 Iss H
Electrical connections
The electric panel is pre-installed with
burner, control and safety thermostat of the
FAN-LIMIT device connected. Please follow
the directions below to get started:
• General power supply;
• Connections to the blown burner;
• Connections to the various external
safety systems (fire dampers, humidifier,
fire protection, etc.).
• Electrical connections must only be
carried out by qualified engineers
• If confused, please contact manufacturer
for further clarification.
• Install upstream of the unit a differential
magneto thermal circuit breaker suitably
sized according to the regulations in
force.
• Always connect the earthing system,
taking care to leave the earth wire
slightly longer than the other wires, in
the event that the wires are accidentally
pulled, the latter is the last one to be
removed.
• Get a qualified engineer to check
that the section of the cables and the
electrical system are suitable for the
maximum power absorbed by the unit
indicated on the information plate.
• Respect polarity in the connection of the
power supply (phase - neutral). In any
case, make sure that the direction of
rotation of the fans is correct.
• The unit must be connected to
an efficient earthing system. The
manufacturer shall not be held
responsible for any damage caused by
failure to earth the appliance.
• The electrical cables must be positioned
away from hot and/or cold surfaces, or
areas with sharp edges.
• In accordance with the Standards
regarding the installation of electrical
components, a device disconnected
from the mains with an opening
distance between contacts that
guarantees complete disconnection in
over-voltage conditions III (Standard EN
60335-1) must be included.
• Do not use water pipes or gas pipes to
earth the unit.
• For input and output of the electrical
wires, use the dedicated cable clamps
on the unit
The appliance must always be powered.
Operation must only be obtained by the
settings of the controls.
Wiring diagram reference codes
FSE 40 8000003938
FSE 60 to 300 8000003939
Model FSE
40
FSE
60
FSE
75
FSE
100
FSE
145
FSE
175
FSE
225
FSE
300
Single-phase power supply V / 50Hz 230 1N N/A
Three-phase power supply V / 50Hz N/A 400 3N
Electrical protection IP 20
Fan motor quantity No. 1 1 1 1 1 2 2 2
Unit power kW 0.4 1.1 1.5 2.2 3.0 1.1 2.2 3.0
Unit current A 4.6 2.5 3.3 4.6 6.2 2.5 4.6 6.2
Motor start up Type Direct
Burner See burner instruction manual for details
Table 14 – Electrical data