Installation - Carrier 59SC6A Installation Instructions Manual

59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions
Fig. 18 – Horizontal Drain Trap Grommet

INSTALLATION

!
Cabinet air leakage is less than 2% at 1.0 in. w.c. Cabinet air leakage is
less than 1.4% at 0.5 in. w.c. when tested in accordance with ASHRAE
Standard 193.
Upflow Installation
NOTE: The furnace must be pitched as shown in
condensate drainage.
Fig. 19 – Furnace Pitch Requirements
Supply Air Connections
For a furnace not equipped with a cooling coil, the outlet duct shall be
provided with a removable access panel. This opening shall be
accessible when the furnace is installed and shall be of such a size that
the heat exchanger can be viewed for possible openings using light
assistance or a probe can be inserted for sampling the air stream. The
cover attachment shall prevent leaks.
Connect supply-air duct to flanges on furnace supply-air outlet. Bend
flange upward to 90° with wide duct pliers. See
duct must be connected to ONLY the furnace supply-outlet-air duct
flanges or air conditioning coil casing (when used). DO NOT cut main
furnace casing side to attach supply air duct, humidifier, or other
accessories. All supply-side accessories MUST be connected to duct
external to furnace main casing.
UPFLOW
PERFORATED
DISCHARGE DUCT
90°
FLANGE
120°
MIN
Fig. 20 – Duct Flanges
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
NOTICE
Fig. 19
Fig. 20. The supply-air
DOWNFLOW HORIZONTAL
90°
YES
YES
YES YES
120° 120°
MIN MIN
NO
NO
Return Air Connections
FIRE HAZARD
A failure to follow this warning could cause personal injury, death
and/or property damage.
Never connect return-air ducts to the back of the furnace. Follow
instructions below.
The return-air duct must be connected to bottom, sides (left or right), or a
combination of bottom and side(s) of main furnace casing. Bypass
A230007
humidifier may be attached into unused return air side of the furnace
casing. See Fig.
for proper
Fig. 21 – Upflow Return Air Configurations and Restrictions
A11237
Fig. 22 – Downflow Return Air Configurations
YES
YES
Fig. 23 – Horizontal Return Air Configurations and Restrictions
NO
Bottom Return Air Inlet
A10493
These furnaces are shipped with bottom closure panel installed in bottom
return-air opening. Remove and discard this panel when bottom return
air is used. To remove bottom closure panel, see
16
WARNING
!
21, Fig. 22, and Fig. 23.
and Restrictions
HORIZONTAL TOP
RETURN NOT
PERMITTED FOR
ANY MODEL
A11036
A11037
A11038
Fig. 24.