Jayco Seismic 2021 - Winterization; Decalcification

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

Freezing of the water heater and its plumbing components will result in severe damage not
covered by warranty. Follow these recommendations if the unit is to be stored in a freezing
environment for long periods of time. At the start of the winter season or before traveling to
a location where freezing conditions are likely, the unit must be winterized.
 To winterize the Aqua Go water heater, drain the water out of the water heater
using the drain chute.
 Set the RV plumbing bypass valves so no water or antifreeze will enter the water
heater.
 Winterize the RV water lines with antifreeze as normal. (Refer to Winterinzing
the Plumbing System).
 Do not insert the water inlet lter or heating cartridge into the appliance during
winter if the appliance is not used.
 Close the EZ Drain Lever and the access door.

Lime scale occurs as a result of precipitation from “hard” water. The appliance must be
decalcied regularly depending on water hardness and hot water consumption. 
 The appliance must be ushed
with clean water when nished. 
 For safety reasons, once the process is started, it must not be
stopped until the system has been rinsed. All operating modes of the appliance are blocked
until decalcication is completed. Once completed, switch the water heater power OFF then
ON to return to normal operation.

Decalcication must be done through your RV dealer. Specialized equipment is required
and cannot be easily accomplished by the owner.

Models with the interior rotary control dial have a “CLEAN” setting available. These mod-
els also include a built in water consumption meter that will light the yellow LED (on the
rotary dial) when decalcication is required. This LED will go out briey every 7 seconds
indicating decalcication is required.
 □ When the drain chute is folded out, it protrudes past the sidewall of
the RV.
 □ When walking past or stooping down, make sure you and others
have sucient clearance to prevent injuries.
 □ Never actuate the Easy Drain Lever as long as the appliance is under
water pressure or is still hot.
 □ Danger of pinching/crushing ngers when the Easy Drain Lever is
closed! Never put ngers between the Easy Drain Lever and the latch.

 Using air pressure to blow out the Aqua Go water heater is NOT
recommended and may damage the appliance.