15
4. Horizontal lengths of exhaust vent must slope back
towards the water heater not less than ¼” per foot
to allow condensate to drain from the vent pipe. If
the exhaust pipe must be piped around an obstacle
that results in the creation of a low point, condensate
will collect in this low point and form a blockage. This
condensate must be drained away using a field-
installed condensate drain assembly as shown. (See
page 19)
5. All piping must be fully supported. Use pipe hangers
at a minimum of 4 foot (1.2 m) intervals to prevent
sagging of the pipe where condensate may form.
6. Do not use the water heater to support any piping.
7. A screened straight coupling is provided with the water
heater for use as an outside exhaust termination.
G. VERY IMPORTANT SET-UP INSTRUCTIONS!
IF YOU HAVE A COMBUSTION ANALYZER, THE FOL-
LOWING RATINGS WILL BE VERY HELPFUL IN SET-
TING UP YOUR ADVANTAGEPLUS:
COMBUSTION SETTINGS
HIGH FIRING RATES AND LOW FIRING RATES ON
ALL MODELS
Natural Gas Propane LP
low high low high
Carbon
Monoxide
(CO%)
0–10
ppm
0 ppm–
20 ppm
0–10
ppm
0 ppm–
20 ppm
Carbon
Dioxide
(CO2%)
8½% –
9½%
8½% –
9½%
9½% –
10½%
9½% –
10½%
FAN SPEEDS
BTU IGNITION MIN MAX
100,000 3000 2000 5400
130,000 3000 2000 6950
199,000 3000 2000 8500
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