94
from meter to appliance including
all pipes and fittings and heater
connection. Use liquid soap solution
for all gas testing.
WARNING!!!
Do not check
for gas leaks with an open
flame. Use the bubble test.
Failure to use the bubble test
or check for gas leaks with
an open flame can cause
explosion, severe personal
injury, death, or substantial
property damage.
17.1.3 - Verify flue and air
lines in good condition
and sealed tight;
1. Check for obstruction,
condensation, corrosion and
physical damage, water stains, any
signs of rust, other corrosions or
separation of the vent and air intake
piping.
2. Check outside terminations.
Screens and louvers should be free
of any debris and must be cleaned
as required.
17.1.4 - Check system
water pressure/system
piping/expansion tank;
1. Check water piping and accessories
for leaks. Slightest leaks should be
corrected.
2. Check the system to be full of water
and pressure to remain stable at
correct setting on gauge.
17.1.5 - Check control
settings
1. Set heaters setpoint low enough to
end call for heat (see Section 16.5).
Gas valve should close and burner
should stop firing. Fan will go into a
post purge, then shuts off.
2. Control Safety Shutdown test: with
the burner firing, close the manual
gas shut off valve (Figure 14-1).
Gas valve should close and burner
should stop firing. The boiler will try
for ignition five times, then should
lock out with a “Loc 1” error shown
on the display. Open the manual
gas shut-off valve, and verify your
gas meter. Gas flow must be zero.
WARNING!!!
Never store
combustible materials, gasoline
or any product containing
flammable vapors and liquids
in the vicinity of the heater.
Failure to comply with this
warning can result in extensive
property damage, severe
personal injury or death!
WARNING!!!
Never
obstruct the flow of combustion
and ventilation air. Failure to
provide adequate combustion
air for this heater can result
in excessive levels of carbon
monoxide which can result in
severe personal injury or death!
WARNING!!!
If
maintenance is performed on
the vent-air intake system it
must be properly reassembled
and sealed. Failure to properly
maintain the vent-air system
can result in excessive levels
of carbon monoxide which can
result in severe personal injury
or death!
WARNING!!!
Before
performing any maintenance
operations, shut the heater
off, close the manual gas
shut-off valve (Figure 14-1)
and shut electrical power
off to the heater. Follow the
Operating Instructions outlined
in the section “SAFETY
INSTRUCTIONS” (Page 3 of this
manual).
17.1.1 - Address reported
problems
Inspect any problems reported by the
owner and correct before proceeding.
17.1.2 - Check all piping
for gas leaks
1. Inspect all gas piping and verify to
be leak free.
2. Check for gas leaks: using soap
solution, check for gas leaks
17 - MAINTENANCE
Summary of Contents for Esteem 399
Page 3: ...3 SAFETY INSTRUCTIONS ...
Page 5: ...5 SAFETY INSTRUCTIONS ...
Page 112: ...112 17 MAINTENANCE ...
Page 116: ...116 19 SPARE PARTS Spare parts ...
Page 135: ......