Steffes 5140 Owner & Installers Manual - Manual (Page 32)

line Voltage Wiring Diagram - Model 5140
240V Or 208V SYSTEMS ONlY
Use copper or aluminum conductors rated for 75 o C or higher for field connection of this device.
NOTE 1: line Voltage Field Wiring Connections. See Figure 8 for information on proper circuit phasing.
NOTE 2: For more information regarding pump (circulator) wiring, reference Figures 9, 15 and 16 in the
Installation section of this manual.
Appendix  A.07 Comfort Plus Hydronic
Element 5
Element 1
Element 3
Element 2
Element 4
RED
SEE NOTE 2
Red & White To
Primary Loop Pump
(Max 1.2 AMPS)
Black & White
To Air Handler Pump
(Max 1.2 AMPS)
BLACK
ORANGE
BLUE/WHITE
BLUE/BLACK
To Optional Air Handler
75VA
240v 24v
TRANSFORMER
To Optional Static
Heat Recovery System
HEATING ELEMENTS
NO BLACK/YELLOW BLACK/YELLOW
ELEMENT 8
COM
ELEMENT 14
NO
ELEMENT 16
NO
ELEMENT 15
COM
NO
COM
COM
ELEMENT 6
NO
COM
ELEMENT 5
NO NO
ELEMENT 13
NO NO COM
ELEMENT 7
COM COM
RESISTOR
DAMPER
RESISTER
RED
BLACK/YELLOW
CORE CORE
LIMIT
CORE
LIMIT LIMIT
WHITE/BLACK
CORE
LIMIT
ORANGE
NO
RED
COM
COM
ELEMENT 11
ELEMENT 9
COM
NO
NO
COM
COM
NO
ELEMENT 1 ELEMENT 2 ELEMENT 3
NO
Element 8
Element 6
Element 7
Element 10
Element 11
Element 9
Element 15
Element 14
Element 13
Element 12
Element 16
Relays
3,7,11,15
Element
BLUE
Relays Relays
1,5,9,13
ELEMENT 12
COM
ELEMENT 10
NO COM
COM
NO
2,6,10,14
Element
BLACK
ELEMENT 4
To
RED
Element
To
Relays
4,8,12,16
BROWN
To To
Element
SEE NOTE 1
NEUTRAL LUG
CONTROL CIRCUIT
BLACK
WHITE
5 Amp 5 Amp
L2 120
BLOWER
L2 240
BASE IO BOARD BASE IO BOARD
BLACK/YELLOW
WHITE/BLACK
BLACK
RED
BLUE
N.C.
225 °
EXCHANGER
LIMITS
N.C.
MANUAL
RESET
RESET
AUTO
250 °
NO NO
COM COM
NO NO
COM COM
1/4 Amp 1/4 Amp
NO NO
COM COM
NO NO
COM COM
COM.
HIGH
Cap.
4uf
CORE BLOWER
CIRCUIT #2 CHARGE BLOWERS/BLOWERS/ CHARGE CIRCUIT #1 CONTROLSCONTROLS CIRCUIT CIRCUIT #3 CHARGE CHARGE CIRCUIT #4
EXPANSION
BOARD
#2
BOARD
EXPANSION
#1
LUGS
GROUND
PRIMARY
LOOP PUMP SHRU
L1
WHITE
OR