Heater wiring, Cont'd), Room heating unit line voltage wiring diagrams – Steffes 2006 User Manual
Page 22: Power cord, Fan circuit charge circuit, Controls and, Time clock optional, Optional time clock, T1 l1 l2
RESISTOR
SPEED
FAN
RED
RED
BLACK
BLACK
BOARD
OUTPUT
DAMPER BOARD
FAN
RESISTOR
CONTROL
DAMPER
B
O
O
F
R
Y
Y
R
B
H
E
A
T
IN
G
E
L
E
M
E
N
T
S
CHARGING
LIMIT
SERVICE
LIGHT
LIMIT
CHARGING
ELEMENT
RELAY
CONNECTED
NOT
FAN
RELAY
BLACK
BLACK
BLUE
BLUE
F2
B1 B2
F1
FAN CIRCUIT
CHARGE CIRCUIT
GREEN
R
E
D
B
L
A
C
K
ELEMENT
RELAY
BLACK/YELLOW
WHITE/BLUE
120 VOLT
240 VOLT
OPTIONAL
TIME CLOCK
1 2 3 N
L
BLUE/WHITE
BLUE
CONTROLS AND
3
A
1
A
TR
A
N
SF
O
RM
ER
COM
COM
COM
NO
NO
NO
ROOM HEATING UNIT LINE VOLTAGE WIRING DIAGRAMS
Models: 2002 & 2003 (direct wired)
Connections shown are for 230 VAC blowers. Refer to the Unit Identification Label on the lower
left side panel of the room heating unit for proper blower and heating element voltages of your
heater.
FIGURE 15
Heater Wiring
(cont'd)
Models: 2002, & 2003 (cord connected)
Connections shown are for 115 VAC blowers. Refer to the Unit Identification Label on the
lower left side panel of the room heating unit for proper blower and heating element voltages of
your heater.
FIGURE 16
7
21
POWER CORD
TIP
SWITCH
RESISTOR
SPEED
FAN
RED
RED
BLACK
BLACK
BOARD
OUTPUT
DAMPER BOARD
FAN
RESISTOR
CONTROL
DAMPER
B
O
O
F
R
Y
Y
R
B
H
E
A
T
IN
G
E
L
E
M
E
N
T
S
CHARGING
LIMIT
SERVICE
LIGHT
LIMIT
CHARGING
WHITE
BLACK
T1
L1
L2
GREEN
BLACK/YELLOW
WHITE/BLUE
ELEMENT
RELAY
CONNECTED
NOT
FAN
RELAY
ELEMENT
RELAY
TIME CLOCK
OPTIONAL
1 2 3 N
L
BLUE/WHITE
BLUE
TR
A
N
SF
O
R
M
ER
A
3
1
A
NO
COM
COM
COM
NO
NO
(See Note 1)
NOTE 1: If installing a unit configured with a 115VAC blower, and the Steffes power line carrier (PLC)
control system is being utilized, the F2 terminal block position must be the hot (ungrounded) leg.
NOTE
NOTE