Ferroli MERCURY 2 Installation And Operation Manual page 40

Connect the condensate drain connection to a drainage pipe of internal diameter of 20mm. The pipe must
have a constant slope of at least 2 ° downwards. It is advisable to make a siphon with a minimum height as
shown in the figure below.
Condensate drain pipe
ELECTRICAL CONNECTIONS
Insert a manual switch close to the unit to be able to exclude it from the electric line during the maintenance
operations.
Provide a fuse or circuit breaker to protect the unit.
Power cables must be dimensioned with reference to the maximum current absorption of the unit, indicated
in the label and in the technical manual, but not less than 0,75mmq.
The control thermostat must be able to support the current absorbed from the unit and the start current of
the fan. Otherwise, it is recommended the presence of the accessory power module ETBN or ETBN-6th.
Check that the voltage and frequency of the power supply is 230V - 50Hz.
Before attempting any operation on the unit, check the main power supply is disconnected and can not be
turned on unintentionally.
In the basic version, the electrical panel is constituted of an electrical box plastic (model PA104). To open it,
use a screwdriver and gently lift the tabs at the location shown below.
INSTALLATIONS
h>p(p=static
pressure, in mm)
17