Installing the furnace, Cont'd) – Steffes DLF40B User Manual
Page 18
Installing The Furnace
(cont'd)
17
DLF40B 240V OR 208V UNITS ONLY
FIGURE 10
Use copper or aluminum conductors rated for 75C or higher for field connection of this device.
NOTE
NOTES: 1. Supply air blower speed selection terminals wiring.
2. Line voltage field wiring connections, (see Figure 8).
1
2
3
4
5
6
7
8
9
10
11
TOP
ROW #
N.O.
BLUE
BL
U
E
/RE
D
COM.
COM.
N.C.
N.O.
W
H
IT
E
/BL
A
CK
CORE
HOUSE
BLOWER
BLUE/BLACK
BLOWER
WHITE\BLACK
YELLOW
B
LA
C
K
B
LU
E/W
H
IT
E
N.C.
HEAT EXCHANGER LIMIT
180° LIMIT
190°
LIMIT
135° FAN
CONTROL
N.C.
N.C.
N.O.
N.O.
CONTROL
135° FAN
C
IR
C
UI
T
#
4
C
HA
R
GE
B
LO
W
ER
S
/
C
IR
C
UI
T
C
HA
R
GE
C
IR
C
UI
T
#
1
C
HA
R
GE
C
IR
C
UI
T
#
2
C
HA
R
GE
C
IR
C
UI
T
#3
350
350
350
350
350
350
RE
D
WHITE
STAGING
3
1
2
3
1
2
3
1
2
3
1
2
N.O.
N.O.
N.O.
N.O.
N.O.
N.O.
N.O.
N.O.
15A
60A
60A
60A
60A
STAGE 1
CHARGING SEQUENCER
STAGE 2
CHARGING SEQUENCER
STAGE 3
CHARGING SEQUENCER
240v 24v
75VA
TRANSFORMER
10uf
Cap.
SUPPLY AIR BLOWER
HIGH
MED. HIGH
MED. LOW
LOW
COM.
CORE BLOWER
HIGH
LOW
COM.
5uf
Cap.
HEATING ELEMENTS
H
E
A
T
IN
G
S
P
E
E
D
BL
U
E
/RE
D
CO
O
L
IN
G
S
P
E
E
D
BL
U
E
/BL
A
C
K
SEE
NOTE 1
N.C.
N.O.
COM.
170° DISK
Switches to low
on temp. rise
R1
125
BLACK
RED
BLUE
BROWN
GROUND LUGS
BLACK
BLUE
YELLOW
RED
C
ON
TR
OL
S
SEE NOTE 2