Rinnai Energysaver RHFE-1004FTA, Service Manual

Page: 88 / 112

88 Rinnai Direct Vent Service Manual
RHFE-431 Series, RHFE-556 Series
Gas Pressure Setting Procedure
Check that the burner flames are operating
normally. The flame can be seen through the
circular window through the louvers.
When operating normally the burner flame should
appear as long, clear, blue, stable, streaks.
Yellow flames or an orange color is abnormal and
maintenance is required.
Visual Inspection of Flame
Install the front panel and bottom cover.
Final Assembly
NORMAL
Flame Rod
Long, clear, blue,
stable flames
ABNORMAL
Yellow flames or
orange color
Flame Rod
Model Gas Type High Fire Low Fire
431 Series *
Natural Gas
2.4 in
(61 mm)
0.7 in
(18 mm)
Propane
2.8 in
(71 mm)
0.8 in
(20 mm)
Natural Gas
3.8 in
(97 mm)
0.7 in
(18 mm)
Propane
4.5 in
(114 mm)
0.8 in
(20 mm)
556 Series *
* For installations at altitude (greater than 2000 feet), follow the
guidelines of the National Fuel Gas Code (NFPA 54) and all appli-
cable local codes.