2
S
AFETY
C
ONSIDERATIONS
IMPORTANT NOTE:
This unit is designed to meet the NOX
requirement of 14Ng/J maximum as required by the South
Coast Air Quality Management District and the San Joaquin
Valley Air Pollution Control District, both in the State of
California,and is intended for installation in those dis-
tricts only.
This unit has a Control System that compensates for cer-
tain installation and environmental conditions. This unit
must:
•
Be properly installed, operated, and maintained
per the instructions.
•
Be serviced only by properly trained Service
Technicians.
This unit is not approved for use with gasses other than
Natural Gas.
C
ONDENSATE
D
RAIN
L
INES
& D
RAIN
T
RAP
.......................... 16
G
ENERAL
D
RAIN
I
NFORMATION
...................................17
F
IELD
S
UPPLIED
D
RAIN
.......................................... 17
U
PFLOW
M
ODEL
I
NSTALLED
V
ERTICALLY
.......................... 17
D
RAIN
E
XITING
R
IGHT
S
IDE
...................................... 17
D
RAIN
E
XITING
L
EFT
S
IDE
....................................... 18
U
PFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
R
IGHT
S
IDE
D
OWN
18
U
PFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
L
EFT
S
IDE
D
OWN
.19
U
PFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
W
ITH
L
EFT
S
IDE
D
OWN
- A
LTERNATE
......................... 19
E
LECTRICAL
C
ONNECTIONS
......................................... 20
W
IRING
H
ARNESS
...............................................20
115 V
OLT
L
INE
C
ONNECTIONS
.................................. 20
J
UNCTION
B
OX
R
ELOCATION
.................................... 20
24 V
OLT
T
HERMOSTAT
W
IRING
................................. 21
S
INGLE
-S
TAGE
H
EATING
T
HERMOSTAT
A
PPLICATION
............... 21
F
OSSIL
F
UEL
A
PPLICATIONS
...................................... 21
G
AS
S
UPPLY
AND
P
IPING
........................................... 21
G
AS
P
IPING
C
ONNECTIONS
...................................... 22
C
IRCULATING
A
IR
& F
ILTERS
....................................... 23
D
UCT
WORK
- A
IR
F
LOW
........................................23
C
HECKING
D
UCT
S
TATIC
......................................... 24
B
OTTOM
R
ETURN
A
IR
O
PENING
[U
PFLOW
M
ODELS
] .............. 24
F
ILTERS
- R
EAD
T
HIS
S
ECTION
B
EFORE
I
NSTALLING
T
HE
R
ETURN
A
IR
D
UCT
WORK
............. 25
U
PRIGHT
I
NSTALLATIONS
......................................... 25
H
ORIZONTAL
I
NSTALLATIONS
..................................... 26
D
RAIN
T
RAP
P
RIMING
........................................... 26
F
URNACE
O
PERATION
............................................ 26
G
AS
S
UPPLY
P
RESSURE
M
EASUREMENT
........................... 26
G
AS
M
ANIFOLD
P
RESSURE
M
EASUREMENT
AND
A
DJUSTMENT
....... 27
G
AS
I
NPUT
R
ATE
M
EASUREMENT
(N
ATURAL
G
AS
O
NLY
) ...........28
T
EMPERATURE
R
ISE
............................................. 28
C
IRCULATOR
B
LOWER
S
PEEDS
.................................... 28
B
LOWER
H
EAT
O
FF
D
ELAY
T
IMINGS
.............................. 29
N
ORMAL
S
EQUENCE
OF
O
PERATION
................................. 29
P
OWER
U
P
..................................................... 29
H
EATING
M
ODE
................................................. 29
C
OOLING
M
ODE
................................................ 29
F
AN
O
NLY
M
ODE
............................................... 29
O
PERATIONAL
C
HECKS
.............................................. 30
S
AFETY
C
IRCUIT
D
ESCRIPTION
...................................... 30
I
NTEGRATED
C
ONTROL
M
ODULE
.................................. 30
P
RIMARY
L
IMIT
................................................. 30
A
UXILIARY
L
IMIT
................................................ 30
B
URNER
T
EMPERATURE
S
WITCH
.................................. 30
P
RESSURE
S
WITCHES
............................................. 30
F
LAME
S
ENSOR
................................................. 30
T
ROUBLESHOOTING
................................................ 30
E
LECTROSTATIC
D
ISCHARGE
(ESD) P
RECAUTIONS
.................. 30
R
ESETTING
F
ROM
L
OCKOUT
..................................... 31
M
AINTENANCE
..................................................... 31
A
NNUAL
I
NSPECTION
............................................ 31
F
ILTERS
........................................................ 31
30
B
URNERS
....................................................... 32
I
NDUCED
D
RAFT
AND
C
IRCULATOR
B
LOWERS
...................... 32
C
ONDENSATE
T
RAP
AND
D
RAIN
S
YSTEM
(Q
UALIFIED
S
ERVICER
O
NLY
) 32
F
LAME
S
ENSOR
(Q
UALIFIED
S
ERVICER
O
NLY
) ...................... 32
F
LUE
P
ASSAGES
(Q
UALIFIED
S
ERVICER
O
NLY
) ...................... 32
B
EFORE
L
EAVING
AN
I
NSTALLATION
.................................. 32
R
EPAIR
AND
R
EPLACEMENT
P
ARTS
................................... 32
D
IAGNOSTIC
C
HART
................................................ 33
A
IRFLOW
DM96SE ...................................................... 34
W
IRING
D
IAGRAM
DM96SE ...................................................... 35
Units that are not installed, maintained, or operated prop-
erly may result in “noisy” operation during the Heating
Cycle. If this unit is making unusual or objectionable noises
during the Heating Cycle, turn the heat off at the thermo-
stat and contact a qualified Service organization right
away.
Adhere to the following warnings and cautions when install-
ing, adjusting, altering, servicing, or operating the furnace.
To ensure proper installation and operation, thoroughly read
this manual for specifics pertaining to the installation and
application of this product.
This furnace is manufactured for use with natural gas.
