14
Issue 2 14/07/16
3
Installation
3.3.3 Ignition Module
The ignition module provides the timing for the combustion
system. A sequence of operation (SOP) is described in “Section
5 – Operating Instructions.” As the combustion system
progresses through the SOP, LED’s illuminate, allowing accurate
trouble-shooting should the need arise. If a failure occurs, the
system will “blink” the LED that corresponds to the failure as
described in the “Section 6 – Troubleshooting Guide.”
3.3.4 Adjustable Thermostat
The ECOflo is equipped with an adjustable thermostat to control
water temperature. Hot water temperatures required for kitchen
sinks, sluices, cleaners’ sinks and wash down applications can
cause scald burns resulting in serious personal injury and/or
death.
The temperature may be adjusted from approximately 27°C to
82°C. It is recommended that lower temperatures be used to
avoid the risk of scalding. (Refer to the “Warnings” and the
section on SCALDING in “Section 3 – Water Connections.”) It is
further recommended, in all cases, that the water temperature
be set for the lowest temperature, which satisfies hot water
needs. This will also provide the most energy efficient operation
of the water heater and minimises scale formation.
The top immersion well of the single bulb controller also
contains the high limit (energy cut-off) sensor. The high limit
switch interrupts the main burner gas flow should the water
temperature reach approximately 93°C.
Should the high limit switch activate, it must be manually reset.
This can be accomplished by depressing the red button on the
control panel once the water temperature of the tank has
dropped below 71°C.
Please contract Andrews Water Heaters (details listed on the
Data Plate) if continued high limit switch operations occur.
3.3.5 Condensate Drain
The ECOflo is a condensing type unit and requires a drain to be
located in close proximity to allow the condensate to drain
safely. The condensate drains from the unit at the base of the
exhaust tee piece located near the bottom of the unit. The
exhaust tee is provided with a 32mm dia connection. A
condense siphon is supplied in the flue kit which should be
connected to the 32mm connection at the base of the exhaust
tee. The siphon outlet must be connected to a 40mm dia OD
plastic waste system. If the condense is allowed to build-up then
the exhaust outlet will become blocked and cause improper
operation of the water heater. The water heater will need to be
raised off the floor, on a concrete slab or base, to utilise a low
profile condensate pump to allow free drainage of condensate
from the outlet fitting. The condensate plastic drain pipe
installation should slope to a suitable drain.
