Rinnai ENERGYSAVER RHFE-308FTR Service Manual page 45

(C) Test Mode 2 (Adjusting Convection Fan rpm)
Convection fan rpm is prerecorded in the PCB unit software. Therefore, adjustment is not required
when the PCB unit is replaced.
Operating Procedure
1. Turn the appliance on (combustion indicator
illuminates). Press test mode switch (SW 5) at the
top of the PCB (combustion mode changes to
"LO" Test mode).
2. Press convection fan adjusting switch LO (SW).
Sections of the indicators will flash to show that
adjustment is in progress.
3. Adjust by using the Temperature/Time setting SW
located above the control panel. "/\" SW increases
and "\/" decreases the rpm.
4. Once the adjustment is complete, press SW2 again.
Low current supplement value is recorded in
2
E PROM and will be confirmed. Indicators will
stop flashing and will glow steadily.
5. Press convection fan adjustment SW HI (SW1)
located at top of PCB unit. (Combustion mode
changes to "HI" test mode)
6. Adjust by using the Temp/Time setting SW located
above the control panel. "/\" SW increases and "\/
" decreases the rpm.
7. Press SW1 again, once the adjusting is completed.
High current supp valve is recorded on E
and will be confirmed. Indicators will stop flashing
and will glow steadily.
8. Return operation to normal by pressing the test
mode SW (SW 5) again.
Note: The convection fan rpm changes by approximately 10~15 rpm each time "\/" or "/\" SW is
pressed.
Energysaver RHFE-308 FTR
2
PROM
Displays temperature.
- 41 -
Indicators
©Rinnai