Step 9 - Units With Hinged Panels Only; Step 10 - Install External Condensate Trap; And Line - Carrier WeatherMaster 50HC04 Installation Instructions Manual

LEFT
HOOD
SIDE
19 1/16" B
(483mm)
HOOD DIVIDER
Fig. 13 — Economizer Hood Construction
3. Remove the shipping tape holding the economizer baro-
metric relief damper in place (economizer only).
4. Insert the hood divider between the hood sides. See
Fig. 13 and 14. Secure hood divider with 2 screws on
each hood side. The hood divider is also used as the bot-
tom filter rack for the aluminum filter.
5. Open the filter clips which are located underneath the
hood top. Insert the aluminum filter into the bottom filter
rack (hood divider). Push the filter into position past the
open filter clips. Close the filter clips to lock the filter
into place. See Fig. 14.
6. Caulk the ends of the joint between the unit top panel and
the hood top.
7. Replace the filter access panel.
DIVIDER
CLEANABLE
ALUMINUM
FILTER
BAROMETRIC
RELIEF
Fig. 14 — Economizer Filter Installation
Step 9 — Units with Hinged Panels Only
Relocate latch shipped inside the compressor compartment
behind the hinged compressor door to location shown in
Fig. 15 after unit installation.
If the unit does not have hinged panels, skip this step and
continue at Step 10 below.
TOP
PANEL
INDOOR COIL
ACCESS PANEL
SCREW
33 3/8"
(848mm)
OUTSIDE
AIR
HOOD
FILTER
FILTER
CLIP
Fig. 15 — Compressor Door Latch Location
Step 10 — Install External Condensate Trap

and Line

The unit has one 3 /
end of the condensate pan and an alternate connection on the
bottom. See Fig. 16. Unit airflow configuration does not de-
termine which drain connection to use. Either drain connec-
tion can be used with vertical or horizontal applications.
When using the standard side drain connection, ensure that
the red plug in the alternate bottom connection is tight. Do
this before setting the unit in place. The red drain pan plug
can be tightened with a
To use the alternate bottom drain connection, remove the
red drain plug from the bottom connection (use a
square socket drive extension) and install it in the side drain
connection.
The piping for the condensate drain and external trap can
be completed after the unit is in place. See Fig. 17.
CONDENSATE PAN (SIDE VIEW)
STANDARD
SIDE DRAIN
Fig. 16 — Condensate Drain Pan (Side View)
MINIMUM PITCH
1˝ (25 mm) PER
10´ (3 m) OF LINE
TO ROOF
DRAIN
NOTE: Trap should be deep enough to offset maximum unit static
difference. A 4-in. (102 mm) trap is recommended.
Fig. 17 — Condensate Drain Pan Piping Details
11
-in. condensate drain connection on the
4
1 / -in. square socket drive extension.
2
ALTERNATE
DRAIN PLUG
BOTTOM DRAIN
(FACTORY-INSTALLED)
BASE RAIL
3˝ (76 mm)
MIN
OPEN
VENT
DRAIN PLUG
1 / -in.
2
SEE NOTE
ROOF
CURB