S
SA
AF
FE
ET
TY
Y W
WA
AR
RN
NIIN
NG
G
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.
November 2020
1
18
8--C
CE
E1
16
6D
D1
1--1
1B
B--E
EN
N
Upflow/Downflow/Horizontal
Gas-Fired, 1–Stage and 2–Stage Induced Draft Furnaces with
High Efficiency Motor
U
Up
pffllo
ow
w,, D
Do
ow
wn
nffllo
ow
w,, H
Ho
orriizzo
on
ntta
all R
Riig
gh
htt//L
Le
efftt
Single Stage
Two Stage
S8B1
S8X1
S8X2
S8B1B080M4PSBA
S8B1D120M5PSBA
S8X1B080M4PSBA
S8X1D120M5PSBA
S8X2B080M4PSBA
S8X2D120M5PSBA
N
No
otte
e:: This installer’s Guide is used for multiple furnace families. Models may
have a “T” in the 12th digit designating they meet California less than 40
ng/J (NOx) emissions requirements.
N
No
otte
e:: Graphics in this document are for
representation only. Actual model may
differ in appearance.
18-CE16D1-1B-EN
Installer’s Guide
