Wiring Diagrams - Chromalox CAF-20215 Installation, Operation And Maintenance

Heater No Controls – 1-Ph Parallel
Element
Unit
Control
L1
L2
Return Wire
Heater No Controls – 3-Ph Delta
Element
L1
Unit
Control
L2
Return Wires
L3
Heater 2 Pole Stat – 1-Ph Parallel
Element
Unit
Control
Stat
L1
L2 Return Wire
Heater 3 Pole Stat – 3-Ph Parallel
Element
Unit
Control
Stat
L1
L2
L3 Return Wires
Please refer to the Chromalox limited warranty applicable to this product at
http://www.chromalox.com/customer-service/policies/termsofsale.aspx.

WIRING DIAGRAMS

L1
L2
L2
L1
L3
L1
L2
L1 L2 L3
Limited Warranty:
2150 N. RULON WHITE BLVD., OGDEN, UT 84404
Phone: 1-800-368-2493 www.chromalox.com
Heater LYD Relay – 1-Ph Parallel
Element
Unit
Control
Return Wire
Heater LVC Relay – 1-Ph Parallel
Element
Unit
Control
Return Wire
Heater 3 Pole Contactor – 3-Ph Delta
Element
Unit
Control
Return Wires
Contactor
Heater 3 Pole Contactor/TX – 3-Ph Delta
Element
Unit
Control
Return Wires
Contactor
T2
T1
2
L1 L2
T0
T1
2
L1
L2
T0
T1
24V
L1
L2
L3
T0
T1
24V
L1
L2
L3