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Maintenance
4. Install new motor, and reassemble circulator using
the new gasket and bolts supplied.
5. Follow the "installation" procedure to start up the
circulator.
Replacing Pump Cartridge Assembly:
1. Disconnect the electrical supply.
2. Reduce system pressure to 0 psi and allow system
to return to room temperature. Isolate the circulator
by closing the service valves or draining the
system.
3. Remove the body bolts and swing motor assembly
away from the body.
4. Pull cartridge out of the motor housing.
Selection Guide
Figure 24:
Air Handler and Tankless Water heater Sizing Guidelines
5. Install replacement cartridge, making sure that the
6. Make sure the replacement cartridge corresponds
7. Reassemble the circulator using the new gasket
8. Follow the "Installation" procedure to start up the
Replacing Pump Capacitor:
1. Replacement capacitor must have same rating as
Rinnai Corporation Hydronic Air Handler Manual
cover plate is between the cartridge flange and
motor.
to the full circulator product number. A complete
parts list is available from your local distributor.
and bolts supplied.
circulator.
originally furnished.
27
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