25
Fig. 32 — Typical Location of Heater Limit Switches (3-phase heater shown)
Fig. 33 — Accessory Electric Heater Control
Connections
Low-Voltage Control Connections
The low voltage connections are made through the 6-pin plug
PL-3. (See Fig. 33.)
WIRING DIAGRAMS
See Fig. 34-38 for typical wiring diagrams.
RED (HI-TEMP)
FEED WIRES THRU
STRAIN RELIEF BUSHING
IN CONTROL PANEL
INSULATED
TERMINALS
AT LIMITS
HTR 1
BLUE
12 GA.
BLUE
12 GA.
YELLOW
12 GA.
YELLOW
12 GA.
BLACK
12 GA.
RED (HI-TEMP)
BLACK
12 GA.
BLACK 12 GA.
BLACK
12 GA.
18 GA.
HTR 2
HR1: On Heater 1 in Position #1
HR2: On Heater 2 in Position #2 (if installed)
2
3
12
1
3
2
TB4
HR2
HR1
Elec Htr
CONTL
BOARD
CTB
Field
Connections
VIO
BRN
BRN
VIO
VIO
BRN
VIO
BRN
ORN
BRN
VIO
ORN
VIO
BRN
Summary of Contents for 50LC 14
Page 26: ...26 Fig 34 50LC 14 26 Control Wiring Diagram...
Page 27: ...27 Fig 35 50LC 14 26 RTU Open Control Wiring Diagram...
Page 28: ...28 Fig 36 50LC 14 20 208 230V 3 Phase Power Wiring Diagram...
Page 29: ...29 Fig 37 50LC 24 26 208 230V 3 Phase Power Wiring Diagram...
Page 30: ...30 Fig 38 50LC 14 26 460V 575V 3 Phase Power Wiring Diagram...