Operation; Sequence Of Operation; Maintenance - Roberts Gorden Vantage HE-40 Installation, Operation & Service Manual

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R O B E R T S G O R D O N
Section 11. Operation
®
The VANTAGE HE heater is equipped with a hot-surface
ignition system.

Sequence of Operation

1. Turn the thermostat up. When the thermostat calls for
heat, the SmartValve
period, power is supplied to the blower motor.
2. When the motor approaches nominal running RPM, the
pressure switch closes and signals the ignition
®
module/SmartValve II.
3. The ignition module/SmartValve
hot surface igniter for a timed war m-up period
(approximately 45 to 60 seconds).
4. After the warm-up period, the gas valve is energized.
5. The flame will be sensed by the flame sensing rod and
the igniter is de-energized.
6. If a flame is detected, the gas valve remains open.
When the call for heat is satisfied, and the system
control mechanism de-energizes the burner line voltage
supply, the gas valve is turned off.
7. If no flame is detected on the module, the gas valve is
closed, and a purge period begins. After the purge, the
module acts to power the igniter for a second warm up
period, and a second trial for ignition period. If flame is
still not established, a third purge, warm up, and trial
cycle begins. After four trials, the module will lockout
until reset. Reset is accomplished by removing power
from the module for at least 5 seconds (thermostat
cycle required).
® II will energize. After a short
®
II then energizes the
S E C T I O N

Maintenance

For best performance, the following maintenance
procedures should be performed before each heating
season:
1. Be sure gas and electrical supply to heater are off
before performing any service or maintenance.
2. Check condition of blower scroll and motor. Dirt and
dust may be blown out with compressed air, or a
vacuum cleaner may be used.
3. Check condition of burner. Carefully remove any dust or
debris from inside the burner box or burner cup.
4. Inspect the igniter. Replace igniter if there is excessive
carbon residue, erosion, breakage or other defects.
5. Check the inside of the firing tube with a flashlight. If
carbon or scale are present remove the turbulator(s).
Scrape out the deposits with a wire brush or rod, or
metal plate attached to a wooden pole and replace
turbulator(s) in tube.
6. Check to see that the burner observation window is
clean and free of cracks or holes. Clean or replace as
necessary.
7. Check the flue pipe for soot or dirt. After cleaning as
necessary, re-attach the flue pipe to the heater.
8. Outside surfaces of heater reflector may be cleaned by
wiping with a damp cloth.
9. A qualified service agency should be contacted for
service other than routine maintenance.
10. Check vent terminal and fresh air inlet to see that they
have not become blocked during the non-heating
season. If either pipe is restricted, the pressure switch
won't close, resulting in a no-heat situation.
Outdoor
1. Clean any debris from top of tubes and reflectors.
2. Check for evidence of animals such as squirrels or
birds and remove any nests prior to firing.
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O P E R AT I O N