LP-605 Rev. 000 Rel. 009 Date 8.16.18
35
Figure 30 - Filling the Condensate Trap
chips will neutralize slightly acidic condensate (p/n 7450P-212 available
from HTP). Follow all the installation instructions included with the
neutralizer. If a neutralizer is installed (2), periodic replacement of the
limestone (or neutralizing agent) will be required. The rate of depletion
of the limestone varies with usage of the water heater. During the rst
year of water heater operation, check the neutralizer every few months
for depletion.
7. Route the drain line to a nearby oor drain (1), laundry tub (3), or
condensate pump (4). If the heater condensate outlet is lower than
the drain, you must use a condensate removal pump (kit p/n 554200
available from HTP).
NOTE: If a nearby laundry tub is used as a disposal for waste water
from the washing machine, draining the condensate into this tub
allows the soapy water discharge to neutralize the acidic condensate.
8. An error will appear on the water heater display if condensate line is
blocked. The water heater will not operate with a blocked condensate
line. It is extremely important to have this condition repaired by a
qualied service technician.
The condensate trap must be lled and unobstructed to allow
unrestricted ow of condensate. The condensate should not be
subject to freezing conditions. If the condensate is subjected to
freezing or obstruction, it will result in potential water damage to
the water heater and surrounding area, and possible personal injury.
Such damages are not covered under warranty.
The condensate trap must be lled with water prior to using the
water heater. Pour water into the exhaust adaptor until it ows out
of the condensate drain before using the water heater to ll the trap.
See Figure 31.
Figure 31 - Terminating the Condensate Line
The end of the condensate drain pipe must not be submerged
in water or blocked in any way. Take measures to prevent the
condensate drain lines from freezing (insulation, heat tape, etc.)
Figure 32 - Condensate Piping Details
Condensate Piping to Condensate Pump
Condensate Piping to Floor Drain
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