Detroit Radiant Products Company DX3 Series - Manual (Page 6)

NOTICE
6
2.0 Installation
2.0 Installation • Gas Requirements • Electrical Requirements
Electrical Requirements
• 120VAC - 60 Hz GRD, 3-wire.
• 120VAC thermostat connection.
• Starting current 4.8 amps
• Running current 1.1 amps
The DX3 Series comes standard requiring a 120VAC thermostat connection. An optional 24VAC internal
relay (24VAO) may be factory installed if the heater is to be controlled via a 24VAC thermostat. A 40VA
transformer is necessary when using the 24VAO option.
NOTE: A relay transformer may be used in lieu of the factory installed 24VAO option.
DX3 Series
Instructions for the following are detailed in the Tube Heater General Manual:
• Design considerations
• Hanger suspension and placement
• Tube layout and assembly
• Burner control box suspension
• Reflectors (and accessories)
• Venting and combustion air intake
• Gas requirements
• Baffle assembly
Note: Electronic versions of all manuals are available at www.detroitradiant.com
WARNING
!
Improper installation, adjustment, alteration, service or maintenance can cause property
damage, serious injury or death. Read and understand, the installation, operating and
maintenance instructions thoroughly before installing or servicing this equipment. Only
trained, qualified gas installation and service personnel may install or service this equipment.
Not for residential use! Do not use this heater in the home, sleeping quarters, attached
garages, etc.
Installation of a commercial tube heater system in residential indoor
spaces may result in property damage, serious injury or death.
Gas Requirements
Type of Gas
Required Manifold
Pressure
Minimum Inlet
Pressure
Maximum Inlet
Pressure
Natural 3.5 Inches W.C. 5.0 Inches W.C. 14.0 Inches W.C.
Liquefied Petroleum 10.0 Inches W.C. 11.0 Inches W.C. 14.0 Inches W.C.
IMPORTANT: Consult the Tube Heater General Manual for gas connection requirements.