Construction Characteristics; Package Contents; Accessories Supplied On Request - Accorroni MEC25-85 Technical Information

control panel the air heater can be used, during
the summer, just to ventilate the room, excluding
the burner operation.

1.4 CONSTRUCTION CHARACTERISTICS

The casing is built with epoxy-powder painted
steel plate to guarantee extended service life.
The air delivery opening is located in the front of
the appliance along with the horizontal louvers
which can be adjusted manually (MEC), or with a
special configuration to connect ducts (MEC C).
The exchanger is equipped with the ventilation
thermostat and the safety thermostat bulb.
The rear of the appliance includes the following:
- the axial (MEC) or centrifugal (MEC C)
convection fan(s) with safety grille
- the connectors to attach the combustion air
inlet and combustion product exhaust ducts
- the gas supply connector
- the electric cable entries
The following is installed in a service door on the
right side:
- the electric board with relative wiring
- the burner control device
- the appliance reset button with relative
illuminated signal
- the safety thermostat
- the differential pressure switch
- the gas unit
- the flue exhaust fan (except model 85)
Instead, only for the model 85, the service door on
the left side contains the following:
- the ignition transformer, with relative electrode,
serving the second burner
- the gas connector and header with injectors to
feed the second burner
The interior of the appliance includes:
- the combustion chamber and the stainless
steel heat exchangers
- the flue exhaust fan (model 85 only)
- the stainless steel atmospheric burner including
ignition electrodes and flame detector (in model
85 there are two burners installed in opposite
positions)

1.5 PACKAGE CONTENTS

The air heater is shipped with cardboard packing
and internal protective pieces in pre-formed
cardboard. There is an envelope inside the service
door of the appliance containing: this technical
information manual, the warranty and service
documents, what is needed to change the type of
gas, along with the relative adhesive label and
plug for the combustion product intake hole.

1.6 ACCESSORIES SUPPLIED ON REQUEST

In addition to the material described above, the
following accessories can also be supplied on
request:
- remote-control panel, including the principal
operating commands and signals
- support brackets designed to attach the
appliance in a hanging position, for air heater
versions with axial (MEC) and centrifugal (MEC
C) fans
- combustion product exhaust kit for horizontal
wall-mounted exhaust layouts including: rigid
duct, length 1 metre, joints and wind protection
terminal (duct diameter 80 mm up to model MEC
/ MEC C 35, 100 mm for models MEC /MEC C
from 50 to 85)
- rigid pipes, 45° and 90° bends, 90° bend with
condensate drain, connectors and wind
protection terminals to create different exhaust
configurations, including the vertical roof layout
- kit to supply combustion air from outdoors with
protection terminal
- additional air delivery grille with adjustable
vertical louvers (MEC)
- drilled polyethylene pipe Ø 400 mm for air
distribution in agricultural and zoo-technical
applications
- circular connectors for air delivery in
polyethylene duct
- air intake connector duct (MEC C)
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