SILENT FLO
®
5000 CIRCULATION PUMP AND
CIRCULATION PUMP THERMAL CUT-OFF
The Hot Spring Silent Flo
®
5000 circulation pump is a dedicated, water cooled, energy efficient, quiet pump that provides
continuous filtration for the spa. Since the Silent Flo
®
5000 pump is water cooled, it is equipped with a thermal cut-off to
prevent the pump from being damaged by running hot when water is not present.
Reset the circulation pump’s thermal cut-off by disconnecting power to the spa and allowing the pump to cool.
Tripping of the thermal cut-off is normally the result of one or a combination of these problems: 1) a clogged filter cartridge,
2) blockage within the system plumbing, 3) power was not disconnected to the spa before it was drained, or 4) an air lock
in the plumbing lines. Once the problem has been identified and corrected the pump thermal cut-off will be able to be reset
which will allow it to operate normally.
FRESHWATER
®
III OZONE SYSTEM
The FreshWater
®
III ozone system is practically maintenance-free because it is located within the spa’s equipment
compartment. If bubbles are appearing at the spa’s heater return but the smell of ozone is not noticeable (the water may
also appear not as clear as usual) then the operation of the ozone generator should be checked. Carefully open the
equipment compartment door (remember to use care, as power is still connected to the spa) and verify that the CD tube
and its transformer are energized (a slight buzz will be emitted from the ozone generator housing). If a slight buzz or hum is
not audible, verify that the generator is completely plugged into the spa’s control box.
If the unit is plugged in and power is connected to the spa, then the fuse (for the ozone generator) should be checked.
WARNING: Contact your Hot Spring
®
Spa Dealer if your spa requires troubleshooting beyond the scope of this manual.
Freshwater
®
III ozone systems should only be serviced by a qualified technician.
WARRANTY NOTE: Cleaning of the ozone injector is not covered under the warranty. Refer to page 49 of this manual for
ozone injector cleaning instructions.
Page 53 Service Information
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