2
TABLE OF CONTENTS
G
OODMAN
WILL
NOT
BE
RESPONSIBLE
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
ARISING
FROM
IMPROPER
SERVICE
OR
SERVICE
PROCEDURES
. I
F
YOU
INSTALL
OR
PERFORM
SERVICE
ON
THIS
UNIT
,
YOU
ASSUME
RESPONSIBILITY
FOR
ANY
PERSONAL
INJURY
OR
PROPERTY
DAMAGE
WHICH
MAY
RESULT
.
M
ANY
JURISDICTIONS
REQUIRE
A
LICENSE
TO
INSTALL
OR
SERVICE
HEATING
AND
AIR
CONDITIONING
EQUIPMENT
.
WARNING
U
PFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
W
ITH
L
EFT
S
IDE
D
OWN
- A
LTERNATE
................... 26
C
OUNTERFLOW
M
ODEL
I
NSTALLED
V
ERTICALLY
....................... 26
D
RAIN
E
XITING
L
EFT
S
IDE
......................................... 26
D
RAIN
E
XITING
R
IGHT
S
IDE
........................................ 26
C
OUNTERFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
R
IGHT
S
IDE
D
OWN
............................... 27
C
OUNTERFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
L
EFT
S
IDE
D
OWN
................................ 27
ELECTRICAL CONNECTIONS ............................... 28
W
IRING
H
ARNESS
......................................... 28
115 V
OLT
L
INE
C
ONNECTIONS
............................. 28
J
UNCTION
B
OX
R
ELOCATION
................................ 28
24 V
OLT
T
HERMOSTAT
W
IRING
............................ 29
S
INGLE
-S
TAGE
H
EATING
T
HERMOSTAT
A
PPLICATION
........... 30
24 V
OLT
D
EHUMIDISTAT
W
IRING
........................... 30
F
OSSIL
F
UEL
A
PPLICATIONS
................................. 31
L
INE
V
OLTAGE
A
CCESSORIES
(E
LECTRONIC
A
IR
C
LEANER
AND
H
UMIDIFIER
) ............. 31
24 V
OLT
H
UMIDIFIER
..................................... 31
GAS SUPPLY AND PIPING .................................... 32
H
IGH
A
LTITUDE
D
ERATE
................................... 32
P
ROPANE
G
AS
C
ONVERSION
................................ 32
G
AS
P
IPING
C
ONNECTIONS
................................. 32
P
ROPANE
G
AS
T
ANKS
AND
P
IPING
.......................... 35
CIRCULATING AIR & FILTERS .............................. 36
D
UCT
WORK
- A
IR
F
LOW
.................................. 36
C
HECKING
D
UCT
S
TATIC
................................... 36
B
OTTOM
R
ETURN
A
IR
O
PENING
[U
PFLOW
M
ODELS
] .......... 37
F
ILTERS
- R
EAD
T
HIS
S
ECTION
B
EFORE
I
NSTALLING
T
HE
R
ETURN
A
IR
D
UCT
WORK
................ 37
U
PRIGHT
I
NSTALLATIONS
................................... 39
H
ORIZONTAL
I
NSTALLATIONS
................................ 39
STARTUP PROCEDURE & ADJUSTMENT ................... 39
H
EATING
O
PERATION
WITH
CTK01 T
HERMOSTAT
(C
OMMUNICATING
) ..................................... 40
H
EATING
O
PERATION
WITH
CTK02**, CTK03** & CTK04**
T
HERMOSTAT
(M
ODULATING
C
OMMUNICATING
) .................... 40
C
ONDENSATE
D
RAIN
T
RAP
P
RIMING
......................... 41
F
URNACE
O
PERATION
...................................... 41
F
URNACE
S
TARUP
......................................... 41
F
URNACE
S
HUTDOWN
..................................... 41
G
AS
S
UPPLY
P
RESSURE
M
EASUREMENT
...................... 42
G
AS
M
ANIFOLD
P
RESSURE
M
EASUREMENT
................... 42
G
AS
I
NPUT
R
ATE
M
EASUREMENT
(N
ATURAL
G
AS
O
NLY
) ...... 43
T
EMPERATURE
R
ISE
....................................... 44
C
IRCULATOR
B
LOWER
S
PEEDS
.............................. 44
B
LOWER
H
EAT
O
FF
D
ELAY
T
IMINGS
........................ 46
COMFORTNET™ SYSTEM .................................... 46
O
VERVIEW
............................................... 46
DIP SWITCHES ............................................... 47
A
IRFLOW
C
ONSIDERATIONS
................................. 48
F
OSSIL
F
UEL
A
PPLICATIONS
................................. 48
CTK0* W
IRING
......................................... 49
C
OMFORT
N
ET
™ S
YSTEM
A
DVANCED
F
EATURES
............... 49
N
ETWORK
TROUBLESHOOTING
............................... 50
S
YSTEM
T
ROUBLESHOOTING
................................ 50
F
AULT
R
ECALL
S
EQUENCE
................................. 50
F
AULT
C
LEAR
S
EQUENCE
: ................................. 51
NORMAL SEQUENCE OF OPERATION ...................... 51
P
OWER
U
P
.............................................. 51
H
EATING
M
ODE
.......................................... 51
C
OOLING
M
ODE
.......................................... 51
F
AN
O
NLY
M
ODE
........................................ 52
OPERATIONAL CHECKS ..................................... 52
SAFETY CIRCUIT DESCRIPTION ............................ 52
F
URNACE
C
ONTROL
B
OARD
................................ 52
P
RIMARY
L
IMIT
........................................... 52
A
UXILIARY
L
IMIT
.......................................... 52
R
OLLOUT
L
IMIT
.......................................... 53
P
RESSURE
S
WITCHES
...................................... 53
F
LAME
S
ENSOR
........................................... 53
TROUBLESHOOTING ........................................ 53
E
LECTROSTATIC
D
ISCHARGE
(ESD)
P
RECAUTIONS
.......................................... 53
D
IAGNOSTIC
C
HART
....................................... 53
R
ESETTING
F
ROM
L
OCKOUT
................................ 53
MAINTENANCE ............................................... 54
A
NNUAL
I
NSPECTION
...................................... 54
F
ILTERS
.................................................. 54
B
URNERS
................................................ 54
I
NDUCED
D
RAFT
AND
C
IRCULATOR
B
LOWERS
................. 55
C
ONDENSATE
T
RAP
AND
D
RAIN
S
YSTEM
(Q
UALIFIED
S
ERVICER
O
NLY
) ........................... 55
F
LAME
S
ENSOR
(Q
UALIFIED
S
ERVICER
O
NLY
) ................ 55
BEFORE LEAVING AN INSTALLATION ...................... 55
REPAIR AND REPLACEMENT PARTS ........................ 55
TROUBLESHOOTING CODES ............................... 56
WIRING DIAGRAM ........................................... 62
S
PECIAL
I
NSTRUCTIONS
FOR
P
RODUCTS
I
NSTALLED
IN
THE
S
TATE
OF
M
ASSACHUSETTS
........................... 63
