Dismantling For Service - Rinnai REU-2018W Service Manual

25. Dismantling for service

NOTE: Before proceeding with dismantling, be sure to follow the
each explanation.
- Isolate gas supply.
e.g.
- Disconnect electrical supply from wall socket.
- Isolate the water supply.
- Drain All water from the appliance
Item
1. Removal of Front Panel .............................................................................. 46
2. Removal of PCB ......................................................................................... 46
3. Removal of Water Flow Sensor with Water Flow Servo ............................. 46
4. Removal of Sparker .................................................................................... 47
5. Removal of Combustion Fan ...................................................................... 47
6. Removal of Water Temperature Thermistor................................................47
7. Removal of Transformer ............................................................................. 48
8. Removal of Manifold and Burner ................................................................48
9. Removal of Gas Control ............................................................................. 49
10.Removal of Heat Exchanger ...................................................................... 49
11.Removal of Thermal Fuse.......................................................................... 50
Unless otherwise stated, reassembly is the reverse of dismantling
Infinity REU-2425W
CAUTION
- 45 -
instructions before
Page
Issue 2 - 5/07/04 ©Rinnai