Dismantling For Service - Rinnai REU-V2632FFUG Service Manual

19. Dismantling for Service

240 Volt potential exposure. Isolate the appliance and reconfirm with a neon screwdriver or multimeter.
NOTE: These dismantle procedures were written for a wide range of models, some details
of the dismantling procedure may be slightly different to those depicted in this
manual.
Item
1. Removal of the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2. Removal of the PCB Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3. Removal of the Water Flow Sensor, Servo and Bypass Servo . . . . . . . . . . . . . . . . . . . 30
4. Removal of the Bypass Servo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5. Removal of Sparker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6. Removal of the manifold and burner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7. Removal of the Gas Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8. Removal of Flame rod and spark plug. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9. Removal of outgoing water thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10. Removal of heat exchanger thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
11. Removal of air intake thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
12. Removal of Bypass Servo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
13. Removal of Anti Frost Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
14. Removal of Anti Frost heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
15. Removal of the Fan Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
16. Removal of Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
17. Removal of Thermal Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Unless otherwise stated, re-assembly is the reverse of dismantling.
Infinity REU-V2632FFUG / HD200i REU-VM2632FFUC - 29 -
Page
Issue 1 - 16/12/09 ©Rinnai