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NeoTherm LC Boilers and Water Heaters
3" w.c. For propane, set the low pressure gas switch
to 5" w.c. For natural and propane, set the high
pressure gas switch to 14."
11.B.10
Natural/Propane Gas
Conversion
These units can easily be converted from natural to
propane gas or from propane to natural gas. If a gas
conversion is performed, the unit must be identified
with the appropriate gas labels and a conversion
sticker to allow technicians performing maintenance
in the future to properly identify the gas type of the
appliance.
NT size (mbtu)
1000
1200
Table 25. Gas Conversion Kit
11.B.11
Condensate Trap
A condensate drain trap is included with the Unit and
is designed to drain the boiler of condensate. The
vent condensate should be drained through a drain
tee located in the vent line. This will help prevent
excessive condensate from entering the boiler
condensate trap and preventing the boiler from
operating.
Connect a 3/4" PVC pipe between the drain
connection and a floor drain (or condensate pump if
a floor drain is not accessible).
The condensate drain must be installed to
prevent the accumulation of condensate. When
a condensate pump is not used, the tubing must
continuously slope downward toward the drain with
no spiraling.
Consult local codes for the disposal method.
Condensate is mildly acidic (pH=5), and may
harm some floor drains and/or pipes, particularly
those that are metal. Ensure that the drain,
drainpipe, and anything that will come in
contact with the condensate can withstand the
acidity, or neutralize the condensate before
disposal. Damage caused by failure to
install a neutralizer kit or to adequately treat
condensate will not be the manufacturers
responsibility.
Kit Number
CA006207
CA006207
Caution
11.B.12
Battery for Date and Time
Back-Up
The touchscreen does have an internal battery for
back-up of the date and time settings.
The battery is a CR2032 'coin type' battery and
has an expected service life of 6 years. If the battery
needs to be replaced, you do not have to unbolt
the touchscreen from the pan. Instead, reach your
fingers underneath and behind the touchscreen and
you will find find the small battery access panel.
Press the panel release and the small door will hinge
upward. Remove the old battery, keeping track of
the + / - orientation of the old battery. Then insert the
new battery in the same orientation and close the
small door.
Figure 43. Battery CR2032
Page 97
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Troubleshooting
