Carrier 50TC*D17 Series, Installation Instructions Manual

Page: 12 / 36

50TC
*D
12
Two Position Damper and Economizer Hood Installation
-- Factory Option
1. Remove hood top from shipping position. (See
Fig. 11)
Hood Top
Shipping
Position
C09134
Fig. 11 -- Hood Top – Shipping Position
See Fig. 12 for identification of the various parts of
the hood assembly.
2. Install four angles to the upper end panel using the
screws provided
3. Apply seal strip to mating flanges on the side plates
of the hood (see Fig. 12).
Apply Seal Strips
to the back of
these flanges
Apply Seal Strip
to the front of
this flange
Apply Seal Strip
to the front of
this flange
Apply Seal Strip
to the back of
this flange
Seal Strips
Apply Seal Strips
to the back of
these surfaces
7
7
2
2
1
3
4
4
4
4
5
6
5 6
Item # Description Qty
1 Angles 4
2 Side Plates 2
3 Hood 1
4 Outdoor Air Screens 4
5 Side Filter Supports 2
6 Side Drip Angles 2
7 Top Diverters 2
C09079
Fig. 12 -- Hood Part Identification and Seal Strip
Application Areas
4. Secure side plates to panel using the screws provided.
5. Apply seal strip to mating flange of the hood (see
Fig. 12).
6. On size 17, 20 and 24 units, remove screws across top
cover. Attach hood to side plates. (On these units the
hood flange slides behind flange of top cover.)
7. On size 17, 20 and 24 units, secure the top flange
using the screws removed in step 6. On size 28 units,
secure top flange using screws provided in kit.
8. Install outdoor air screens by sliding them into the
channel formed by the four angles installed in step 2.
Make sure that the screens extend a across the entire
length of the hood.
9. Install side filter supports using the screws provided
10. Install side drip angles using the screws provided.
11. Run a continuous length of seal strip across the hood
covering the engagement holes in the lower hood.
12. Install top diverter using the screws provided.
13. Barometric Relief Damper – On units with
barometric relief, remove screws at bottom of relief
damper. Do not remove the hinged relief door.
Check for free swinging movement.
Barometric
Relief Damper
C09090
Fig. 13 -- Hood Assembly – Completed
Step 9 — Install External Condensate Trap and
Line
The unit has one 19 mm (
3
/
4
-inch) condensate drain
connection on the end of the condensate pan (see Fig. 14)
See Fig. 1 (or Fig. 2), item “E”, in the view labeled
“BACK (HORIZONTAL DISCHARGE)” for the location
of the condensate drain connection.
STANDARD
SIDE DRAIN
C09056
Fig. 14 -- Condensate Drain Pan Connection
The piping for the condensate drain and external trap can
be completed after the unit is in place. Hand tighten
fittings to the drain pan fitting. Provide adequate support
for the drain line. Failure to do so can result in damage to
the drain pan. See Fig. 15.
NOTE: Trap should be deep enough to offset maximum unit static
difference. A 102 mm (4 in.) trap is recommended
.
MINIMUM PITCH
25 mm (1 in.) PER
3m (10 ft.) OF LINE
BASE RAIL
OPEN
VENT
TO ROOF
DRAIN
DRAIN PLUG
ROOF
CURB
SEE NOTE
51 mm
(1 in.)
MIN
C09387
Fig. 15 -- Condensate Drain Piping Details