Comfort Plus Appendix A.10
Line Voltage Wiring Diagram - Model 4130
240V OR 208V SYSTEMS ONLY
NOTES: 1. Supply Air Blower Speed Selection Wiring - The supply air blower is configured to operate in
medium low speed for “heating” and in medium high speed for “cooling” or a “fan only”
thermostat setting.
2. Line Voltage Field Wiring Connections - See Figure 10 for information on circuit phasing
connections.
Use copper or aluminum conductors rated for 75
o
C or higher for field connection of this device.
Appendix
BLOWER
BLUE
BROWN
BLUE
RED
BLACK
3,7,11
Relays
Element 4
Element 3
Element 2
Element 1
EXPANSION
COMCOM
Heater & Plenum
9 Pin Header
Connectors located
N.C.
HEATING SPEED
BLUE/BLACK
COOLING SPEED
170 °
BLUE/WHITE
SUPPLY AIR BLOWER
WHITE
SEE NOTE 2
MANUAL RESET
190 °
BLUE
CIRCUIT #4
CHARGE
CIRCUIT #3
GROUND BAR
SPEED
HIGH
SPEED
LOW
L2 240
L1
L2 120
RELAYRELAY
BLUE/WHITE
COM
FAN ON
NO
COM
HEAT CALL
NO
1/4 Amp
COM
NO
COM
NO
SEE NOTE 1
10uf
Cap.
MED. LOW
LOW
RED
MED. HIGH
YELLOW
BLUE
BLUE/RED
in the base of the
NO
BASE IO BOARD
BLACK/YELLOW
WHITE/BLACK
CORE
LIMIT
LIMIT
CORE
(OPTIONAL 75VA)
TRANSFORMER
50VA
240v 24v
CORE
LIMIT
RED
1/4 Amp
RELAY 10
NO
RELAY 12
RELAY 9
L2 240
RED
RELAY 11
L1
L2 120
NO
COM
COM
COM
RELAY 4
NO
COM
RELAY 1
COM COM
NO NO
RELAY 3RELAY 2
ToTo
RelaysRelays
To
NO
1,5,9 2,6,10
To
Relays
4,8,12
N.C.
BLACK
COM.
HIGH
HEATING SPEED
COOLING SPEED
BLOWERS/
CONTROLS
CIRCUIT
CHARGE
CIRCUIT #2
CHARGE
CIRCUIT #1
CHARGE
BLOWER
5 Amp
RESISTER
DAMPER
RESISTOR
BLOWER
CORE
CORE
N.C.
BLACK
BLACK
160 °
WHITE
RELAY 8
NO
RELAY 14
RELAY 16
COM
COM
L2 240
RED
BOARD 2
EXPANSION
RELAY 15
NO
COM
L2 120
COM
RELAY 13
NO
RELAY 5 RELAY 6 RELAY 7
1/4 Amp
L1
COM
NO
COM
NO
COM
NO
BLACK/YELLOW
Element 9
Element 6
Element 7
Element 8
Element 5
NO
COM
Element 11
Element 12
Element 10
HEATING ELEMENTS
NO
BOARD 1
NO
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