Fostoria VHC-153 Installation And Operation Instruction Manual

INSTALLATION AND OPERATION INSTRUCTIONS
VHC-66, VHC-99, VHC-153, VHC-230
VARIABLE HEAT CONTROL
FOR INFRARED HEATERS
DESCRIPTION
The VHC series are variable output controls for infrared heaters. The ouput can be adjusted to allow
the user to vary the desired output of the heater to maintain a comfortable environment depending
on the ambient temperature.
INSTALLATION
• Disconnect power at main breaker before servicing this control.
• The installation of the VHC controllers must conform to the National Electric Code and/or
• authorities having jurisdiction.
• All wiring must be performed by a qualified, licensed electrician.
• All conductors must be copper, the VHC controllers must be grounded per the National Electric Code.
• Over current must be provided to each indivdual heater circuit in an approved distribution panel.
• The VHC series controllers are not rainproof, they must be installed in a protected area.
OPERATION
• When all required installation and wiring are completed:
• Adjust the potentiometer to the lowest setting (counter-clockwise).
• Turn the breakers on.
• Adjust the potentiometer (clockwise) to obtain the required heater output.
Note: These controls are provided with a three second ramp up function (soft start) to permit
control of high inrush lamps. Never connect cold lamps after start up.
FORM 8230 ISSUE DATE: 5/2021
VHC-66
Volts: 240/208 Hz:50/60
Amps: 32
Maximum watts@ 208V: 6656
Maximum watts@ 240V: 7680
Minimum Wire Size: 8 AWG
VHC-99
Volts: 240/208 Hz:50/60
Amps: 48
Maximum watts@ 208V: 9984
Maximum watts@ 240V: 11520
Minimum Wire Size: 6 AWG
ECO 1-8125
INSTALLATION
INSTRUCTIONS
VHC-153
Volts: 480 Hz:50/60
Amps: 32
Maximum watts: 15,360
Minimum Wire Size: 8 AWG
VHC-230
Volts: 480
Amps: 48
Maximum watts: 23,040
Minimum Wire Size: 6 AWG
REV. LEVEL: A
Hz:50/60
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