Appendix, Comfort plus commercial hydronic appendix, A.06 – Steffes 7140 User Manual
Page 33
Appendix
Comfort Plus Commercial Hydronic
Appendix
n
A.06
Line Voltage Wiring Diagram - Model 7130
208V AND 240V 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.
225 °
EXCHANGER
LIMITS
Element
#1
#7
Element
#4
Element
WHITE
BL
ACK/YE
L
L
O
W
WHITE/BLACK
To Optional Air Handler
BLUE/BLACK
RED
BLACK
ORANGE
BLUE/WHITE
ORANGE
BLACK
To Optional Static
Heat Recovery System
Element
#10
OR
SEE NOTE 2
Red & White To
Primary Loop Pump
(Max 1.2 AMPS)
Black & White
To Air Handler Pump
(Max 1.2 AMPS)
Element
#2
Element
Element
#8
#5
#3
Element
Element
#6
Element
#9
CONTROL CIRCUIT
NEUTRAL LUG
15A
CI
RC
U
IT
CORE BLOWER
BASE IO BOARD
L2 120
BLUE
Element
#11
BLACK/YELLOW
BLOWER
L2 240
RED
RESISTER
DAMPER
RESISTOR
AUTO
RESET
N.C.
250 °
MANUAL
RESET
N.C.
COM.
L1
WHITE
5 Amp
5 Amp
1/4 Amp
1/4 Amp
HIGH
BLACK
NO
NO
RELAY
FAN ON
COM
COM
COM
COM
RELAY
NO
NO
Element
#12
Cap.
4uf
TRANSFORMERS
240v / 24v
NO
NO
COM
COM
NO
NO
COM
COM
CO
NT
R
O
LS
B
L
O
W
ER
S/
SEE NOTE 1
60A
60A
60A
BL
ACK
RE
D
60A
BL
UE
BRO
W
N
CI
RC
UI
T #
1
CH
A
R
G
E
CH
A
R
G
E
LUGS
CI
RC
UI
T #
2
CH
A
R
G
E
CH
A
R
G
E
CI
RC
UI
T #
3
GROUND
CI
RC
UI
T #
4