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Page 20
Remove Plug
Figure 28. Water header draining.
3H. Periodic Inspection
WARNING
Improper installation or maintenance can cause
nausea or asphyxiation from carbon monoxide or
fl ue gases which could result in severe injury, prop-
erty damage, or death.
3H-1. Owner Inspection
The Hi-E
heater has been designed and
2
constructed to provide long performance life when
installed and operated properly under normal
conditions. The following basic guidelines should be
maintained:
1.
Keep the top of the heater clear of all debris, and
make sure there is no collecting of fl ammable
materials, leaves, paper, etc., around or beneath
the heater.
2.
Keep the pool heater area clean and free of all
combustible materials, gasoline and other liquids,
and vapors.
3.
Do not use the heater if any part has been under
water. Immediately call a qualifi ed professional
technician to inspect the heater and replace any
part of the control system and any gas control
which has been under water.
4.
Check for spider webs and other debris at the
combustion air inlet and vent outlet — especially
at spring start up.
Right Side
performed at least once a year by a qualifi ed
professional technician, are required to keep the heater
operating effi ciently through the years. The following
basic checks should be performed.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Regularly inspect electrical controls for
for future reference by you and your professional
technician when inspecting and servicing the heater.
3H-2. Professional Inspection
Inspection by a qualifi ed professional technician,
Inspect the condensate disposal system to be sure
that condensate fl ows freely.
Replace combustion air fi lter.
For heaters installed with combustion air or vent
piping, inspect screens at the inlet or outlet of
these pipes. Clean screens as necessary to assure
free fl ow (see illustrations in combustion air and
vent pipe installation section).
Make sure that the pressure switch operates
properly by shutting the fi lter pump off and
on a few times. The burner should go off
immediately after the pump stops. An ignition
sequence should start shortly after the pump is
turned back on.
Make a visual check of the main burner fl ame.
The fl ame can be seen in a mirror/viewport
arrangement in the upper part of the heater. The
fl ame should be light blue and the burner surface
should be dark, with only a few glowing fi bers
(see Figure 29).
Inspect the gas and electronic controls, including
the following:
a. High temperature limit switch
b. Water pressure switch
c. Venturi pressure switch
d. Automatic gas valve
e. Burner temperature limit switch
f.
Vent limit switch
g. Temperature control
h. Control circuit fuse
Perform a temperature rise test in accordance
with Section 2L.
If the heater is equipped with a pressure relief
valve, clean any accumulated corrosion and make
sure that water runs freely through it.
Inspect the outside of the combustion chamber
and burner for corrosion and indication of
improper operation.
deterioration. Repair and replace as necessary.
NOTE: Keep this manual in a safe place
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