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3.3
Features
11
This is the latest addition to the Andrews Water Heaters
ECOflo range of condensing storage water heaters and is
designed for commercial and industrial applications.
The high efficiency units incorporate Vitraglas® silica glass
lined tanks to provide protection against the corrosive
effect of hot water and therefore a longer working life.
The condensing glass-lined ultra high thermal efficiency
storage water heater features a low NOx pre-mix power
burner that is quiet in operation, a 94% gross efficiency that
keeps running costs to a minimum and flueing
arrangements that offer installation flexibility.
This water heater contains the following features:
3.3.1
Main Power ON/OFF Switch
The front panel of this water heater has an OFF switch, which is
lit when the main power is turned on to indicate power to the
96/380
water heater. On the EC
illuminated and is lit to indicate power to the heater.
3.3.2
Combustion System
The ECOflo is equipped with a self-compensating, negative
pressure pre-mix combustion system. As the blower operates,
air is drawn in through the air intake and into a venturi, which
pulls gas from the gas valve. The gas and air are then mixed in
the combustion blower and sent through the transition tube into
s
the burner. The
ystem then ignites the gas/air fuel mixture to
produce the flue products (combustion). The flame sensor
signals the ignition module, (described below) that a flame is
present. The EC 96/380 model has a hot surface ignition
probe.
Installation
model the ON/OFF switch is
3
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