Rinnai REU-KA2530FFUD-US Service Manual page 54

KB Series Manifold Gas Pressure Settings
Altitude
RU80i (REU-KB2530FFUD-US)
0-2000 ft (0-610 m)
2001-5200 ft (610-1585 m)
5201-7700 ft (1585-2277 m)
7701-10200 ft (2277-3109 m)
RU98i (REU-KB3237FFUD-US)
0-2000 ft (0-610 m)
2001-5200 ft (610-1585 m)
5201-7700 ft (1585-2277 m)
7701-10200 ft (2277-3109 m)
Altitude
RU80e (REU-KB2530WD-US)
0-2000 ft (0-610 m)
2001-5200 ft (610-1585 m)
5201-7700 ft (1585-2277 m)
7701-10200 ft (2277-3109 m)
RU98e (REU-KB3237WD-US)
0-2000 ft (0-610 m)
2001-5200 ft (610-1585 m)
5201-7700 ft (1585-2277 m)
7701-10200 ft (2277-3109 m)
Condensing Water Heater Service Manual
KB Gas Pressure Settings
Natural Gas
Short Vent Length (switch #1 on SW1 is ON) Long Vent Length (switch #1 on SW1 is OFF)
Max Rate Min Rate Max Rate
inches inches
W.C. W.C.
(mm W.C.) (mm W.C.) (mm W.C.)
1.9 (48) 0.51 (13)
2.4 (61) 0.45 (11)
2.6 (65) 0.45 (11)
2.2 (56) 0.40 (10)
3.1 (79) 0.51 (13)
3.0 (76) 0.45 (11)
2.7 (69) 0.40 (10)
2.4 (61) 0.40 (10)
Natural Gas
Max Rate Min Rate Max Rate
(rythme (rythme
max) min)
inches inches
W.C. W.C.
(mm W.C.) (mm W.C.) (mm W.C.)
1.9 (48) 0.46 (12)
2.3 (58) 0.40 (10)
2.7 (69) 0.40 (10)
2.2 (56) 0.40 (10)
3.0 (76) 0.46 (12)
2.9 (74) 0.40 (10)
2.7 (69) 0.40 (10)
2.3 (58) 0.40 (10)
Propane Gas
Min Rate Max Rate
inches inches inches
W.C. W.C.
(mm W.C.) (mm W.C.)
2.3 (58) 0.52 (13) 2.0 (51)
2.4 (61) 0.45 (11) 2.4 (61)
2.2 (56) 0.45 (11) 2.7 (69)
1.9 (48) 0.40 (10) 2.2 (56)
3.7 (94) 0.52 (13) 3.3 (84)
3.1 (79) 0.45 (11) 3.0 (76)
2.9 (74) 0.45 (11) 2.7 (69)
2.0 (51) 0.40 (10) 2.5 (64)
Propane Gas
Min Rate
(rythme (rythme
max) min)
inches inches
W.C. W.C.
(mm W.C.)
2.1 (53) 0.50 (13)
2.4 (61) 0.43 (11)
2.1 (53) 0.40 (10)
1.9 (48) 0.40 (10)
3.5 (89) 0.50 (13)
3.0 (76) 0.45 (11)
2.8 (71) 0.45 (11)
2.0 (51) 0.40 (10)
54
Natural Gas
Min Rate Max Rate
inches inches
W.C. W.C. W.C.
(mm W.C.) (mm W.C.)
0.53 (13) 2.4 (61)
0.40 (10) 2.6 (66)
0.45 (11) 2.2 (56)
0.40 (10) 2.0 (51)
0.53 (13) 3.9 (99)
0.45 (11) 3.1 (79)
0.45 (11) 3.0 (76)
0.40 (10) 2.0 (51)
Propane Gas
Min Rate
inches
W.C.
(mm W.C.)
0.55 (14)
0.45 (11)
0.45 (11)
0.40 (10)
0.55 (14)
0.50 (13)
0.45 (11)
0.45 (11)
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