Steffes DLF40B - Manual (Page 17)

Installing The Furnace
(cont'd)
16
Line Voltage Wiring Diagrams
DLF30B ­ 240V OR 208V UNITS ONLY
FIGURE 9
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).
350
350
350
350
350
W
HI
TE
/B
LA
C
K
B
LU
E/
W
HI
TE
R
ED
YELLOW
B
L
AC
K
WHITE
STAGING
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.
STAGE 1
CHARGING SEQUENCOR
STAGE 2
CHARGING SEQUENCOR
STAGE 3
CHARGING SEQUENCOR
N.C.
HEAT EXCHANGER LIMIT
180° LIMIT
190° LIMIT
135° FAN
CONTROL
N.C.
N.C.
N.O.
CORE
BLOWER
N.O.
COM.
HOUSE
BLOWER
N.C.
N.O.
COM.
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
HE
AT
IN
G
S
PEE
D
B
LU
E/R
ED
C
O
OL
IN
G
S
PEE
D
B
LU
E/B
L
AC
K
SEE
NOTE #1
N.C. N.O.
COM.
170° DISK
Switches to low
on temp. rise
R1
125
BLACK
RED
BLUE
GROUND LUGS
BLACK
BLUE
YELLOW
RED
C
ON
TR
O
LS
C
IR
C
U
IT
C
H
AR
GE
C
IR
C
U
IT #
1
C
H
AR
GE
C
IR
C
U
IT #
2
C
H
AR
GE
C
IR
C
UI
T
#
3
CIRCUIT
BREAKERS
N.O.
CONTROL
135° FAN
WHITE\BLACK
BLUE
B
LU
E/R
ED
BLUE/BLACK
1
2
3
4
5
6
7
8
TOP
ROW #
B
LO
W
ER
S/
SEE NOTE 2