Roberts Gorden DF Installation, Operation & Service Manual Download Page 61

Page: 61 / 74

SECTION 11: O

PERATION

AND

AINTENANCE

11.4 To Shut Off Heater

Set thermostat to lowest setting.
Turn OFF electric power to heater.
Turn OFF manual gas valve in the heater supply line.

11.5 To Start Heater

Turn gas valve and electric power OFF and wait five
minutes for unburned gases to vent from heater.
Turn ON main gas valve.
Turn ON electric power.
Set thermostat to desired temperature.
Burner should light automatically.

11.6 Pre-Season Maintenance and Annual

Inspection

To ensure your safety and years of trouble-free
operation of the heating system, service and annual
inspections must be done by a contractor qualified in
the installation and service of gas-fired heating
equipment.
Turn off gas and electric supplies before performing
service or maintenance. Allow heater to cool before
servicing.
Before every heating season, a contractor qualified in
the installation and service of gas-fired heating
equipment must perform a thorough safety
inspection of the heater.

For best performance, the gas, electrical, thermostat
connections, tubing, venting, suspensions and
overall heater condition should be thoroughly
inspected.

NOTE:

Gas flow and burner ignition are among the

first things that should be throughly inspected.
Please

see Page 57, Section 11.7

for suggested items

to inspect.

11.7 Maintenance Checklist
Installation Code and Annual Inspections:

All installation and service of ROBERTS GORDON

equipment must be performed by a contractor
qualified in the installation and service of equipment
sold and supplied by Roberts-Gordon LLC and
conform to all requirements set forth in the
ROBERTS GORDON

manuals and all applicable

governmental authorities pertaining to the
installation, service, operation and labeling of the
equipment.
To help facilitate optimum performance and safety,
Roberts-Gordon LLC recommends that a qualified
contractor conduct, at a minimum, annual
inspections of your ROBERTS GORDON

equipment

and perform service where necessary, using only
replacement parts sold and supplied by Roberts-
Gordon LLC.

The Vicinity of the Heater

Do not store or use flammable objects, liquids or vapors near the heater.
Immediately remove these items if they are present.

See Page 5, Section 3

Vehicles and Other

Objects

Maintain the clearances to combustibles.
Do not hang anything from, or place anything on, the heater.
Make sure nothing is lodged underneath the reflector, in between the tubes or
in the decorative or protective grilles (included with select models).
Immediately remove objects in violation of the clearances to combustibles.

See Page 5, Section 3

Reflector

Support reflector with reflector hanger and support strap.
Reflector must not touch tube.
Make sure there is no dirt, sagging, cracking or distortion.
Do not operate if there is sagging, cracking or distortion.
Make sure reflectors are correctly overlapped.

See Page 29, Section 6.6.1

Clean outside surface with a damp cloth.

Vent Pipe

Venting must be intact. Using a flashlight, look for obstructions, cracks on the
pipe, gaps in the sealed areas or corrosion.
The area must be free of dirt and dust.
Remove any carbon deposits or scale using a wire brush.

See Page 41, Section 8