Detroit Radiant Products Company DR Series - Manual (Page 20)

DR Series Manual
20
4.0 Maintenance
4.0 Maintenance • Maintenance Checks
Main Burner
1 Gently use an air hose to blow any
accumulated dust and/or dirt off the heater.
Air hose pressure
must not exceed 30 psig.
2 Gently pass the air hose over the entire
exposed area of the ceramic. A distance of
2’ to 4’ from the unit is recommended.
NOTE: Blowing out the gasket material will
permanently damage the rayhead.
3 Gently place the air hose outlet into each
venturi tube and allow the air to flow for
approximately one minute.
4 See troubleshooting chart (page 21) if there
are any signs of burner malfunction. Replace
if necessary.
Pilot Burner
1 Remove pilot access door.
2 Use an air hose and gently blow the pilot
burner free of dust or debris.
Gas Supply
1 Periodically inspect the gas supply for signs
of corrosion or failure. Replace if necessary.
WARNING
!
Use protective glasses when cleaning
the heater.
Disconnect power to heater before
servicing.
Do not operate unit if repairs are
necessary. Do not operate unit
showing any signs of burner
malfunction. Call a professional for
assistance.
Avoid Equipment Failure.
Do not blow out heating elements
with high pressure air.
CAUTION
!
It is recommended that the following become a standard yearly procedure to obtain maximum operating
efficiency and trouble free operation.
During long periods of non-usage, remove or cover heater with a polyethylene bag and shut off gas
supply. If further service to the heater is desired, contact your representative or the factory.