Trane 2TEE3C31A1000A Installer's Manual page 3

NOTE: If Air Handler is used WITHOUT a supplementary
electric heater, a sheetmetal plate is required to cover
the open hole in the airflow system. See Figure 2. Also
seal the cabinet air tight where any wiring enters.
IF AIRHANDLER IS USED
WITHOUT
A FACTORY FURNISHED
SUPPLEMENTARY HEATER, A PLATE IS REQUIRED TO COVER
THE OPEN HOLE IN THE AIR FLOW SYSTEM
]
14 17"
i
1/4" HOLES (4)
ACCESSORY BAY99X123
-_ 3/8"
-,i-
From Dwg. 21B140413
Figure 2
9. If field installed electric heaters are applied, mini-
mum airflow settings, unit and duct clearances to Steps
combustibles must be maintained as stated on the and 4)
Air Handler rating nameplate. 1.
2.
10. If the unit is installed without a return air duct, ap- 3.
plicable local codes may limit this Air Handler to in-
4.
stallation only in a single story residence & within
5.
conditioned space. 6.
11. If the outdoor unit is to be installed later, or by oth- 7.
ers, then installation of the Air Handler must be 8.
made to allow access for refrigerant lines, or attach 9.
refrigerant lines to Air Handler when installing.
12. Make sure there are provisions for installing con-
densate drain lines.
13. If side, front or rear return is required, Air Handler
must be elevated or placed on a plenum
[TAYPLNM100 for 2/4TEE3C37 (23.5" wide),
TAYPLNM101 for 2/4TEE3C31 (21.5" wide),
TAYPLNM102 for 2!4TEE3C40, 49, & 65 (26" wide)].
Connecting return duct directly to the side, front or
rear of the cabinet is not approved.
14. Route refrigerant & condensate drain lines away
from Air Handler so they do not interfere with ac-
cess panels and filters.
15. When external accessories are used, the additional
height and width requirements must be considered
in the overall space needed.
16. These units are not approved for outdoor installa-
tion.
17. These traits are approved for draw-through application
only.
Installer's Guide
18. Flow-through Bypass Humidifiers
Excessive bypass air may cause water blow-off,
which will adversely affect system operation and air
cleaner performance. To verify bypass airflow, fol-
low the Bypass Humidifier Pre-Installation Check-
out and Set-Up Procedures available through your
local distributor. Ask for publication number 18-
CH37Dl-1.
Steam and Flow-through Fan Power Duct-
mounted Humidifiers
Follow the humidifier installation instructions.
These should only be installed on the supply air
side of the system.
B. TWO PIECE CABINET DISASSEMBLY
(OPTIONAL)
NOTE: For easier installation into tight areas, the 5 ton
air handlers can be disassembled, moved to an attic or
other space, and then reassembled.
10.
11.
12.
13.
14.
for disassembly and reassembly (See Figures 3
Disconnect wiring.
Remove center bracket.
Remove blower assembly.
Remove coil.
Cut foil tape at cabinet parting line.
Remove top 8 screws. See Figure 3.
Separate upper and lower sections.
Set air handler in place.
Attach screws - insure gaskets are aligned
along flange.
Use foil tape to seal - use minimum 3" foil tape.
Insert coil.
Reinstall blower assembly.
Reinstall center bracket.
Reconnect wiring.
NOTE: In Downflow, remove coil before blower by re-
versing steps 3 and 4.
Figure 3 Spear Locations
18-GE11 D1-4 3