Rinnai RHFE-551FA Service Manual page 94

Gas Pressure Setting Procedure
Code
A1
0-2000 ft
Altitude
0-610 m
EX17
Manifold test
0.40 in
pressure -
(10 mm)
W.C. Low
Manifold test
1.6 in
pressure -
(40 mm)
W.C. High
ES22
Manifold test
0.40 in
pressure -
(10 mm)
W.C. Low
Manifold test
2.6 in
pressure -
(65 mm)
W.C. High
94
Natural Gas
A2 A3
2001-5200 ft 5201-7700 ft
611-1585 m 1586-2347 m
0.44 in 0.48 in
(11 mm) (12 mm)
1.4 in 1.2 in
(35 mm) (32 mm)
0.44 in 0.48 in
(11 mm) (12 mm)
2.2 in 2.0 in
(57 mm) (52 mm)
Rinnai Direct Vent Service Manual
A4 L1
7701-10200 ft 0-2000 ft
2348-3109 m 0-610 m
0.52 in 0.72 in
(13 mm) (18 mm)
1.1 in 2.9 in
(29 mm) (72 mm)
0.52 in 0.72 in
(13 mm) (18 mm)
1.8 in 4.3 in
(47 mm) (110 mm)
RHFE-433RWTA
RHFE-558RWTA
Propane Gas
L2 L3
2001-5200 ft 5201-7700 ft
611-1585 m 1586-2347 m
0.76 in 0.88 in
(19 mm) (22 mm)
2.5 in 2.2 in
(63 mm) (57 mm)
0.76 in 0.88 in
(19 mm) (22 mm)
3.8 in 3.4 in
(97 mm) (87 mm)
L4
7701-10200 ft
2348-3109 m
0.96 in
(24 mm)
2.0 in
(52 mm)
0.96 in
(24 mm)
3.1 in
(80 mm)