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HIGH ALTITUDE
Heaters may be fired at full input up to 2000 ft. (610m) above sea
level. Above 2000 ft. (610m) a high altitude conversion kit may be
required to ensure proper burner performance, please consult the
manufacturer. Be prepared to answer factory questions regarding:
type of fuel for the proposed appliance conversion, gas pressure
available at site, and specific altitude at site. The conversion shall
be carried out by a manufacturer's authorized representative, in
accordance with the requirements of the manufacturer, provincial,
or territorial authorities having jurisdiction and in accordance with
the requirements of the CSA B149.1 or CSA149.2 installation codes.
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. When using compressed air do not exceed 30
psi in order to not damage fragile hot surface igniter.
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, scrape out the deposits with a wire
brush or rod, or metal plate attached to a wooden pole.
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 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 been blocked during the non-heating season. If either
pipe is restricted, the air switch won't close, resulting in a
no-heat situation.
Enerco | Heatstar ERXL Series Heater
Troubleshooting
CAUTION: Before opening the Ener-Radiant XL
burner door for any type of service, be sure
the gas supply has been shut off at the heater
and the electrical cord from the burner box
has been unplugged.
Blower Motor 1. Is the thermostat calling for heat? Is there
Fails to Run:
1 15V at the burner receptacle?
2. Check blower side door for seal. Check
3. Check blower for obstructions. Replace
Igniter 1. Check igniter for damage. Replace if
Does Not Glow:
2. Check voltage and resistance at igniter.
3. Check for obstructions to the air inlet and
4. Check wiring and hose connections to the
5. Check voltages at transformer primary and
Valve Does Not Gas pressure downstream of gas control can
Come On: be measure by using a manometer and
connecting to pressure tap on control/.
1. Check to see if manual valve heater is ON.
2. Check to see if manual valve knob on
3. Supply gas pressure can be checked at 1/8"
4. Check to see if gas control is opening: no
If the valve is closed, either the gas valve or
the ignition module is faulty.
WARNING: Do not disconnect ground leads
inside heater. Do not interchange grounded
and ungrounded leads on transformer or
ignition module.
Burner Does Not 1. Check to see if gas lines were properly
Light:
2. Check inlet and outlet gas pressure during
• Natural inlet pressure should be 4.5" (1.12 kPa)
• Natural outlet pressure at manifold should be 3.5" (0.87 kPa)
• LP inlet pressure should be 1 1.0" (2.74 kPa)
• LP outlet pressure at manifold should be 10.5" (2.61 kPa)
3. Check for proper orifice and air plate.
E-19
Operating Instructions and Owner's Manual
door switch. Replace if necessary.
blower if necessary.
necessary.
(Voltage should be 1 15V. Resistance should
be 40-75 ohms.)
outlet.
air switch. Replace if necessary.
secondary. Replace transformer or module
if necessary.
heater gas control in ON.
NPT pressure tapping on heater external
manual valve.
manifold pressure indicates valve is closed.
purged of air.
ignition period.
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