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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
March 2021
S
S9
9V
V2
2--S
SF
F--2
2A
A--E
EN
N
Upflow/Horizontal and Dedicated Downflow
Gas-Fired, Direct/Non-Direct Vent, 2–Stage Condensing
Variable Speed Furnaces
U
Up
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S9V2B040U3PSBC
S9V2B060U4PSBC
S9V2B080U4PSBC
S9V2C080U5PSBC
S9V2C100U5PSBC
S9V2D120U5PSBC
D
Do
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S9V2B040D3PSBC
S9V2B060D3PSBC
S9V2B080D4PSBC
S9V2C100D5PSBC
S9V2D120D5PSBC
N
No
otte
e:: Graphics in this document are for
representation only. Actual
model may differ in appearance.
▲
CAUTION
!
COIL REQUIREMENT!
Failure to follow this Caution could result in property damage or personal injury. 4GXC* and
4MXC* coils installed on upflow furnaces in vertical, horizontal left, or horizontal right
orientations without a factory installed metal drain pan shield must use a MAY*FERCOLKITAA
kit. Coils installed on upflow furnaces must have drain pans that are suitable for 400° F
(205°C) or have a metal drain pan shield. Downflow furnaces do not require a metal drain pan
shield or the use of the MAY*FERCOLKITAA kit. See Installer’s Guide for more information.
S9V2-SF-2A-EN
Service Facts