9
Wiring Diagrams
FACTORY
WIRING
FIELD
WIRING
L E G E N D
All
Diagrams
SINGLE PHASE
STS45-1, STS60-1,
STS75-1, STS90-1
THREE PHASE
STS45-3, STS60-3,
STS75-3, STS90-3
STS120-3, STS150-3
8
Field Power Wiring
Earth
Earth Lug
Models STS45-1, STS-60-1, STS75-1 and STS90-1
Models STS45-3, STS60-3, STS75-3, STS90-3, STS120-3
and STS-150-3
_________________________________________________
_________________________________________________
TO AVOID EQUIPMENT DAMAGE DO NOT CONNECT
POWER SUPPLY DIRECTLY TO ELEMENTS !!!
NOTE:
For illustrative purposes only. Consult with
qualified licensed electrician for electrical installation.
_________________________________________________
_________________________________________________
TO AVOID EQUIPMENT DAMAGE DO NOT CONNECT
POWER SUPPLY DIRECTLY TO ELEMENTS !!!
NOTE:
For illustrative purposes only. Consult with
qualified licensed electrician for electrical installation.
L, N, Earth
by field wiring
Earth Lug
L3
L2
L1
C
C
FUSE
GROUND
CONTACTOR
WATER
FEED
SOLENOID
VALVE
RELAY 1
CONTROL
BOARD
CONTROL
TEMP
SENSOR
AUTO
DRAIN
TO
PROBE
TRANSFORMER
L N
G
HEATING
ELEMENT
S
WATER
FEED
SOLENOID
VALVE
CONTROL
TEMP
SENSOR
AUTO
DRAIN
TO
PROBE
S
C
C
C
FUSE
GROUND
CONTACTOR
RELAY 2
RELAY 1
CONTROL
BOARD
TRANSFORMER
L1 L2 L3
N
G
HEATING
ELEMENT
220-240 Volts
SINGLE PHASE WIRING DIAGRAM
400 Volts
THREE PHASE WIRING DIAGRAM
