Rinnai RUR98i - Cross Over Mode requires that the bypass plug located...

KBP Series Manual 45
NOTE
The unit comes in Dedicated Mode as a factory
Default. If the unit is to be used in Crossover
mode, the following procedure must be followed
for correct operaon.
requires that the bypass plug locat-
ed in the hot water outlet assembly be replaced with
the supplied bypass lter (located within the unit)
Figure 1
1. Disconnect the electrical power.
2. Turn o the gas supply.
3. Turn o water supply. Drain all water from the
appliance.
4. Slide o the plasc strips covering the front panel
screws.
5. Remove 4 screws securing the front panel.
Remove front panel.
6. Locate and remove the plasc package
(containing the bypass lter) from the copper
pipe of the heat exchanger. (Figure 1)
Figure 2
7. Remove the bypass plug assembly from the hot
water outlet under the unit. (Figure 2)
8. Disconnect the bypass plug from cap by rst
twisng to unlock the plug and pull away from
cap. (There will be a gasket between the cap and
bypass plug as well as a gasket at the end of the
bypass plug) (Figure 3)
9. Install bypass lter by pushing it onto cap and
twist to lock. (there should now be only one
gasket between cap and lter) (Figure 4)
Figure 3
Figure 4
10. Install lter assembly into hot water outlet.
(Figure 2)
Gasket
Gasket
Gasket
Unscrew bypass plug assembly
NOTE
Use care when performing the next several steps.
Using excessive force can damage the bypass
plug/lter.
discard the plug. Plug is to be retained
should the applicaon be changed to a dedicated re-
turn in the future.