Rinnai EX17CT Training Program page 42

EX 08/11 Series Overview:
Convection
Fan
Overheat thermal fuse
(opens at 421⁰F)
© 2014 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
1. These units are very similar to the EX
Pressure
17/22 series and have the same
Sensor
sequence of operation.
2. The primary differences are in the size
Combustion Fan and positioning of some of the
(behind PCB)
components.
3. Note the there are only two orifices and
PCB
burners (compared to 4).
Overheat Thermistor behind panel
(203⁰F=dirty filter / 221⁰F=Code 14)
Overheat bimetal
behind panel
(opens at 263⁰F)
Gas Valve
Assembly
Manifold
Overheat bimetal
(opens at 194⁰F)
42 7/21/2017