Ground lugs, Appendix, A.11 comfort plus – Steffes 4140 Owner & Installers Manual User Manual
Page 34
Appendix
A.11
Comfort Plus
Appendix
Line Voltage Wiring Diagram - Model 4130
240V OR 208V SYSTEMS ONLY
Use copper or aluminum conductors rated for 75
o
C or higher for field connection of this device.
NOTE: Line Voltage Field Wiring Connections - See Figure 10 for information on circuit phasing
connections.
DAMPER
BLOWER
LIMIT
CORE
BLACK/YELLOW
RED
75 VA
240v 24v
TRANSFORMER
WHITE/BLACK
RED
CORE
LIMIT
LIMIT
CORE
RED
BLACK/YELLOW
BASE IO BOARD
BLACK
BLACK
WHITE
160 °
CORE
N.C.
CORE
BLOWER
C
IR
C
U
IT
#
3
C
H
A
R
G
E
C
IR
C
U
IT
#
4
C
H
A
R
G
E
C
IR
C
U
IT
#
1
C
H
A
R
G
E
C
IR
C
U
IT
#
2
C
H
A
R
G
E
C
IR
C
U
IT
C
O
N
T
R
O
L
S
B
L
O
W
E
R
S
/
L2 120
NO
FAN ON
RELAY
RESISTOR
RESISTER
L2 240
BLOWER
RELAY
BLUE/WHITE
NO
HEAT CALL
COM
COM
COM
L1
1/4 Amp
5 Amp
NO
COM
NO
15A
60A
60A
60A
60A
B
R
O
W
N
B
L
A
C
K
R
E
D
B
L
U
E
#2
Element 2
Element 1
Element 3
Element 4
EXPANSION
ELEMENT 5
L1
L2 240
BOARD
L2 120
NO
1/4 Amp
COM
COM
COM
BOARD
HEATING ELEMENTS
NO
COM
COM
NO
ELEMENT 11
COM
NO
ELEMENT 12
NO
COM
Element 7
Element 5
Element 6
Element 8
Element 9
#1
ELEMENT 6
NO
NO
COM
COM
NO
COM
Element 12
Element 10
Element 11
NO
NO
L2 120
L2 240
EXPANSION
L1
1/4 Amp
ELEMENT 7
ELEMENT 8
ELEMENT 9
ELEMENT 10
NO
COM
NO
COM
COM
ELEMENT 1
COM
ELEMENT 3
NO
COM
NO
ELEMENT 2
NO
COM
NO
ELEMENT 4
To
To
To
Element
2,6,10
Relays
Element
1,5,9
Relays
Element
3,7,11
Relays
To
Element
4,8,12
Relays
GROUND
LUGS
in the base of the
BLUE
9 Pin Header
Connectors located
VARIABLE SPEED BLOWER
BLACK
BLACK
B
L
U
E
/B
L
A
C
K
N.C.
BLUE/WHITE
N.C.
160 °
MANUAL RESET
BLUE
190 °
B
L
U
E
/B
L
A
C
K
Heater & Plenum
SEE NOTE