2
ELECTRICAL WIRING ............................................. 8
T
HERMOSTAT
L
OCATION
...................................... 8
S
INGLE
S
TAGE
T
HERMOSTAT
.................................. 9
U
NIT
V
OLTAGE
............................................. 10
H
EAT
A
NTICIPATOR
S
ETTING
................................ 10
CIRCULATING AIR AND FILTERS .............................. 11
A
IRFLOW
C
ONVERSION
...................................... 11
D
UCTWORK
................................................. 11
F
ILTERS
.................................................... 11
VENTING .......................................................... 11
I
NSTALLATION
- F
LUE
H
OOD
E
XHAUST
...................... 11
I
NSTALLATION
- C
OMBUSTION
A
IR
I
NTAKE
H
OOD
........... 12
CONDENSATE DRAIN ........................................... 12
C
ONDENSATE
D
RAIN
C
ONNECTION
........................... 12
NORMAL SEQUENCES OF OPERATION ...................... 12
H
EATING
................................................... 12
C
OOLING
................................................... 12
F
AN
O
NLY
.................................................. 13
STARTUP, ADJUSTMENTS, AND CHECKS ................... 13
H
EATING
S
TARTUP
.......................................... 13
C
OOLING
S
TARTUP
......................................... 16
TROUBLESHOOTING ........................................... 17
I
GNITION
C
ONTROL
E
RROR
C
ODES
.......................... 17
F
AULT
R
ECALL
............................................. 17
A
BNORMAL
O
PERATION
- H
EATING
......................... 17
I
NTERNAL
C
ONTROL
F
AILURE
............................. 17
E
XTERNAL
L
OCKOUT
..................................... 17
P
RESSURE
S
WITCH
S
TUCK
O
PEN
......................... 17
P
RESSURE
S
WITCH
S
TUCK
C
LOSED
....................... 18
P
RIMARY
L
IMIT
.......................................... 18
F
LAME
D
ETECTED
WITH
G
AS
V
ALVE
C
LOSED
............. 18
L
OW
F
LAME
S
IGNAL
..................................... 18
A
BNORMAL
O
PERATION
- C
OOLING
......................... 18
S
HORT
C
YCLE
C
OMPRESSOR
D
ELAY
....................... 18
H
IGH
P
RESSURE
S
WITCH
/L
OSS
OF
C
HARGE
S
WITCH
...... 18
MAINTENANCE ................................................... 19
F
ILTER
R
EPLACEMENT
OR
C
LEANING
........................ 19
C
ABINET
F
INISH
M
AINTENANCE
............................. 19
C
LEAN
O
UTSIDE
C
OIL
(Q
UALIFIED
S
ERVICER
O
NLY
) ........ 19
C
ONDENSER
, E
VAPORATOR
,
AND
I
NDUCED
D
RAFT
M
OTORS
. 19
F
LAME
S
ENSOR
(Q
UALIFIED
S
ERVICER
O
NLY
) ............... 19
F
LUE
P
ASSAGES
(Q
UALIFIED
S
ERVICER
O
NLY
) .............. 19
C
LEANING
F
LUE
P
ASSAGES
(Q
UALIFIED
S
ERVICER
O
NLY
) ... 19
M
AIN
B
URNER
F
LAME
(Q
UALIFIED
S
ERVICER
O
NLY
) ........ 19
C
LEANING
B
URNERS
........................................ 20
ACCESSORIES AND FUNCTIONAL PARTS ................... 20
S
HEET
M
ETAL
A
CCESSORIES
................................. 20
F
UNCTIONAL
P
ARTS
........................................ 20
G
ENERAL
I
NFORMATION
..................................... 20
APPENDIX ........................................................ 21
I
GNITION
C
ONTROL
D
IAGNOSTIC
I
NDICATOR
C
HART
........ 21
H
EATING
T
IMING
C
HART
................................... 21
C
OOLING
T
IMING
C
HART
................................... 21
U
NIT
D
IMENSIONS
.......................................... 22
W
IRING
D
IAGRAM
.......................................... 23
M
INIMUM
C
LEARANCES
..................................... 24
R
ECOMMENDED
F
ILTER
S
IZES
............................... 24
B
LOWER
P
ERFORMANCE
.................................... 25
S
TART
-
UP
C
HECKLIST
................................ 27 - 28