Detroit Radiant Products Company DET3 Series - Manual (Page 6)

6
DET3 Series
2.0 Installation
2.0 Installation • Gas and Electrical Requirements
• 120VAC-60 Hz., single-phase, 3-wire.
• 24VAC thermostat connection.
• Starting current 1.7 amps
• Running current 1.1 amps
NOTICE
Connecting the thermostat with a voltage other than 24VAC may damage the heater. The DET3 Series
requires a 24VAC connection to the thermostat. The DET3 Series is equipped with an internal relay
board. A field supplied external transformer must be installed, see wiring diagram (Figures 2.1A-B).
NOTE: A yellow control wire replaces the external terminal plug on stainless steel models or models with
water resistant upgrades.
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
Electrical Requirements
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.