Rinnai I Series, Installation And Operation Manual

Page: 91 / 136

Rinnai I - Series Condensing Boiler Combi Manual 91
Curve
Number
Maximum Supply Temperature at
14°F ( - 10°C) Outdoor Temperature
Minimum Supply Temperature
at 68°F (20°C) Outdoor Temperature
Heat Emitter
1
(Default)
180°F (82°C) 122°F (50°C) Standard baseboard, high -
efficiency air handler, cast
iron or panel radiators
2 140°F (60°C) 104°F (40°C) Staple up radiant
3 180°F (82°C) 140°F (60°C) High temperature air
handler or undersized
baseboard
4 Setting temperature on the
controller
Setting temperature on the
controller - 36°F (20°C)
Custom curve based on
customer input (see graph
on next page)
The boiler has four outdoor reset heating curves, which are different target temperature lines
dependent on the outdoor temperature. The selected curve should be based off of the type of heat
emitter and the target temperature desired. The heating curves are described below.
190°F
(88°C)
180°F
(82°C)
170°F
(77°C)
160°F
(71°C)
150°F
(66°C)
140°F
(60°C)
130°F
(54°C)
120°F
(49°C)
110°F
(43°C)
100°F
(38°C)
180°F
(82°C)
140°F
(60°C)
140°F
(60°C)
122°F
(50°C)
104°F
(40°C)
14°F
( - 10°C)
68°F
(20°C)
- 20°F - 10°F 0°F 10°F 20°F 30°F 40°F 50°F 60°F 70°F
( - 29°C) ( - 23°C) ( - 18°C) ( - 12°C) ( - 7°C) ( - 1°C) (4°C) (10°C) (16°C) (21°C)