3
IO-242
5/04
Table of Contents
XII. Start-up Procedure and Adjustment ......................................................................................................................... 21
F
URNACE
O
PERATION
....................................................................................................................................... 21
F
URNACE
S
TART
-
UP
......................................................................................................................................... 21
F
URNACE
S
HUTDOWN
....................................................................................................................................... 21
G
AS
S
UPPLY
P
RESSURE
M
EASUREMENT
............................................................................................................. 22
G
AS
M
ANIFOLD
P
RESSURE
M
EASUREMENT
AND
A
DJUSTMENT
................................................................................. 22
G
AS
I
NPUT
R
ATE
M
EASUREMENT
(N
ATURAL
G
AS
O
NLY
) ....................................................................................... 22
T
EMPERTURE
R
ISE
........................................................................................................................................... 23
C
IRCULATOR
B
LOWER
S
PEED
A
DJUSTMENT
......................................................................................................... 23
C
IRCULATOR
B
LOWER
F
AN
T
IMING
A
DJUSTMENT
.................................................................................................. 23
XIII. Operational Checks................................................................................................................................................... 24
B
URNER
F
LAME
............................................................................................................................................... 24
A
UXILIARY
L
IMIT
C
ONTROL
................................................................................................................................ 24
P
RIMARY
L
IMIT
................................................................................................................................................ 24
XIV. Safety Circuit Description ........................................................................................................................................ 24
G
ENERAL
....................................................................................................................................................... 24
I
NTEGRATED
C
ONTROL
M
ODULE
......................................................................................................................... 24
P
RIMARY
L
IMIT
................................................................................................................................................ 24
A
UXILIARY
L
IMIT
.............................................................................................................................................. 24
R
OLLOUT
L
IMITS
.............................................................................................................................................. 24
P
RESSURE
S
WITCHES
....................................................................................................................................... 24
F
LAME
S
ENSOR
............................................................................................................................................... 25
B
URNER
B
OX
.................................................................................................................................................. 25
XV. Troubleshooting ......................................................................................................................................................... 25
E
LECTROSTATIC
D
ISCHARGE
(ESD) P
RECAUTIONS
............................................................................................... 25
D
IAGNOSTIC
C
HART
......................................................................................................................................... 25
R
ESETTING
F
ROM
L
OCKOUT
.............................................................................................................................. 25
XVI. Maintenance .............................................................................................................................................................. 25
A
NNUAL
I
NSPECTION
......................................................................................................................................... 25
F
ILTERS
.......................................................................................................................................................... 25
F
ILTER
M
AINTENANCE
....................................................................................................................................... 25
F
ILTER
R
EMOVAL
............................................................................................................................................. 26
U
PRIGHT
F
ILTER
R
EMOVAL
................................................................................................................................ 26
I
NDUCED
D
RAFT
AND
C
IRCULATOR
B
LOWER
M
OTORS
............................................................................................ 26
F
LAME
S
ENSOR
(Q
UALIFIED
S
ERVICER
O
NLY
) ...................................................................................................... 26
I
GNITER
(Q
UALIFIED
S
ERVICER
O
NLY
) ................................................................................................................. 26
B
URNERS
....................................................................................................................................................... 26
XVII. Before Leaving an Installation ................................................................................................................................ 26
XVIII. Repair and Replacement Parts .............................................................................................................................. 26
Troubleshooting Charts ................................................................................................................................................... 27
Wiring Diagram ................................................................................................................................................................. 29
WARNING
I
F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A
FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
–
D
O NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
–
WHAT
TO
DO
IF
YOU
SMELL
GAS
:
•
D
O NOT TRY TO LIGHT ANY APPLIANCE.
•
D
O NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY
PHONE IN YOUR BUILDING.
•
I
MMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR’S
PHONE.
F
OLLOW THE GAS SUPPLIER’S INSTRUCTIONS.
•
I
F YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE
DEPARTMENT.
–
I
NSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
