5
I. CO
I. CO
I. CO
I. CO
I. COMPO
MPO
MPO
MPO
MPONENT ID
NENT ID
NENT ID
NENT ID
NENT IDENTIFI
ENTIFI
ENTIFI
ENTIFI
ENTIFIC
C
C
C
CA
A
A
A
ATI
TI
TI
TI
TIO
O
O
O
ON
N
N
N
N
1
Gas Valve
2
Gas Line Entrance (Alternate)
3
Pressure Switch
4
Gas Manifold
5
Combustion Air Intake Connection / “Coupling”
6
Hot Surface Igniter
7
Rollout Limit
8
Burners
9
Flame Sensor
10 Flue Pipe Connection / “Coupling”
11 Flue Pipe (Internal)
12 Combustion Air Intake (Alternate)
13 Primary Limit
14 Gas Line Entrance
15 Flue Pipe Connection (Alternate)
16 Rubber Elbow
17 Induced Draft Blower
18 Electrical Connection Inlets (Alternate)
19 Coil Front Cover Pressure Tap
20 Coil Front Cover Drain Port
21 Drain Line Penetrations
22 Drain Trap
23 Blower Door Interlock Switch
24 Capacitor
25 Integrated Control Module
(with fuse and diagnostic LED)
26 24-Volt Thermostat Connections
27 Transformer (40 VA)
28 Circulator Blower
29 Auxiliary Limit
30 Junction Box
31 Electrical Connection Inlets
32 Coil Front Cover
33 Combustion Air Inlet Pipe
Upflow/Horizontal
Counterflow/Horizontal
B
L
O
W
ER CO
M
P
ARTM
ENT
B
U
RNER
CO
M
PAR
TM
E
N
T
1
2
3
4
5
6
7
8
7
9
10
11
3
12
13
14
15
16
17
19
20
21
24
26
23
30
25
27
28
29
22
21
20
19
32
18
31
1
2
3
4
5
6
9
8
7
12
11
10
CFM
US
C
W R
DEHUM
CUT FOR
1
2
3
87 4321
87 4321
Intell-Ignition
TSTAT
S4
S3
OFF
ON
S1
SI
NG
LE
TW
O
ON
OFF
*
*
*
*
*
*
*
*
*
B
U
RNE
R CO
M
P
AR
T
M
EN
T
B
L
O
W
E
R
C
O
M
P
A
R
T
M
E
N
T
1
9
7
8
7
4
6
13
14
22
21
20
19
32
3
25
24
26
33
5
27
28
10
29
3
16
15
17
12
19
20
21
2
11
18
31
30
23