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DIRECT VENT APPLICATION
USING EXISTING CHIMNEY
NOTE:
Do not discharge exhaust gases directly into any chimney or vent
stack. If vertical discharge through an existing unused chimney or stack is
required, insert piping inside chimney until the pipe open end is above top of
chimney and terminate as illustrated. In any exterior portion of chimney, the
exhaust vent must be insulated.
Condensate Piping
This unit is designed for either right or left side exit of
condensate piping. Refer to Figure 24 for condensate trap
locations.
NOTE: If necessary the condensate trap may be installed
up to 5 feet away from the furnace. Piping from furnace
must slope down a minimum of 1/4" per ft. toward trap.
CONDENSATE TRAP AND PLUG LOCATION
(shown with left side exit of condensation)
1. Determine which side condensate piping will exit the
unit, location of trap, field provided fittings and length of
PVC pipe required to reach available drain.
2. Remove plug (Figure 24) from the cold end header box
at the appropriate location on the side of the unit. Install
1/2 NPT male field provided fitting into cold end header
box. Do Not Over Tighten. Use teflon tape or
appropriate pipe dope.
3. Install drain trap using appropriate PVC fittings, glue all
joints. Glue the provided drain trap as shown in Figure
26. Route the condensate line to an open drain
506552-01
Figure 23
Figure 24
3. Install drain trap using appropriate PVC fittings, glue all
joints. Glue the provided drain trap as shown in Figure
26. Route the condensate line to an open drain.
4. If unit will be started immediately upon completion of
installation, prime trap per procedure outlined in Unit
Start-Up section.
Condensate line must be sloped downward away from
condensate trap to drain. If drain level is above
condensate trap, condensate pump must be used.
Condensate drain line should be routed within the
conditioned space to avoid freezing of condensate and
blockage of drain line. If this is not possible, a heat
cable kit may be used on the condensate trap and line.
Do not use copper tubing or existing copper condensate
lines for drain line.
CONDENSATE TRAP LOCATION
(shown with right side exit of condensation)
CONDENSATE ASSEMBLY
Issue 1034
CAUTION
Figure 25
Figure 26
Page 19 of 52
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