Allied Air Enterprises 92G1DF - Manual (Page 25)

506503-01 Page 25 of 44
Issue 1031
Condensate Piping
This unit is designed for either right or left side exit of
condensate piping in downflow applications. Refer to Figure
39 for condensate trap locations.
NOTE: If necessary the condensate trap may be installed
up to 5” away using PVC pipe from the furnace. Piping from
furnace must slope down a minimum of 1/4” per ft. toward
trap.
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 38) from the cold end header box
at the appropriate location on the side of the unit. Install
field-provided 1/2 NPT male fitting into cold end header
box. Use Teflon tape or appropriate pipe dope.
3. Install the cap over the clean out opening at the base of
the trap. Secure with clamp. See Figure 40.
4. Install drain trap using appropriate PVC fittings, glue all
joints. Glue the provided drain trap as shown in Figure
40. Route the condensate line to an open drain.
Condensate line must maintain a 1/4” downward slope
from the furnace to the drain.
5. If unit will be started immediately upon completion of
installation, prime trap per procedure outlined in Unit
Start-Up section.
Condensate line must slope downward away from the
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. Heating cable kit is available in various lengths;
6 ft. (1.8 m) - kit no. 26K68; 24 ft. (7.3 m) - kit no. 26K69;
and 50 ft. (15.2 m) - kit no. 26K70.
NON-DIRECT VENT FIELD SUPPLIED WALL
TERMINATION EXTENDED
Figure 36
* Use wall support every 24” (610 mm). Use two supports if extension
is greater than 24” but less than 48”.
CONDENSATE TRAP AND PLUG LOCATIONS
Figure 38
NON-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 the chimney and terminates as illustrated. In any
exterior portion of chimney, the exhaust vent must be insulated.
Figure 37