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Jayco SENECA 2023 User Manual

Jayco SENECA 2023
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93

12. Attach a blowout plug to the City Water Inlet
on the utility center panel ().
13. Attach the air hose to the blowout plug. Set
the compressor to . Set the four-col-
or valves to 45° angle ( 
 

14. Blow air into the utility center ().
Water lines should be clear in 5 to 10 min-
utes.
15. Turn o air supply; remove air hose and blowout plug.
16. Close low point drains; replace the water heater drain plug. Tankless water heater
should now be purged of water.
17. Set the colored valves to the WINTERIZE positions.
18. Pour one cup of RV antifreeze in all drain P-traps (sinks and bathtub).

1. Connect the blowout plug to the Black Tank Flush inlet at the utility center panel.
2. Colored valves have no eect on the black tank ush inlet.
3. Connect the air hose to the blowout plug. Set the compressor to .
4. Make sure the black tank has been emptied. Open the black tank drain gate valve.
5. Blow air into the ush inlet for 30 to 60 seconds.
6. Disconnect the air hose, compressor and blowout plug.
7. Close the black tank drain gate valve (typically under the RV).
Water Heater - Tankless
Your RV is equipped with a tank less water heater. The tankless water heater uses less LP gas
than storage tank model water heaters since it only uses energy when hot water is demanded.
There is no pilot light to burn when no hot water is needed. The tankless water heater sup-
plies an unlimited supply of hot water on demand (once lines are purged of standing water).
As hot water is used, the cold water enters the heater. A water ow sensor detects the ow-
ing water and automatically ignites the burner. Water circulates through the heat exchanger
and is heated to the set temperature. When the tap is closed, the unit shuts down.
The tankless water heater does not require an anode rod to prevent corrosion, or a by-pass
valve for winterizing. It is not aected by high altitudes.
The output temperature of the water depends on the temperature of the inlet water AND the
amount of hot water that is drawn. If the inlet water temperature is over 65 º F, the tankless
water heater will generate water in the range of 105°F to 120°F (on low ame) depending on
the water ow selected by the user.

The tankless water heater can be operated in two dierent ways.
Operate like a Tank Water Heater. Turn on the hot water
and add cold water to achieve the desired Hot water tem-
perature.
Select the desired temperature by adjusting the tempera-
ture setting up (^) or down (v). The UCP settings are from
95° (F) to 124° (F). The unit will maintain the set tem-
perature. The recommended and Factory setting is 115°
(F) or 46° (C).


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Jayco SENECA 2023 Specifications

General IconGeneral
ChassisFreightliner S2RV
Horsepower360 hp
Torque800 lb-ft
Fresh Water Capacity72 gallons
ManufacturerJayco
Year2023
CategoryMotorhomes
ModelSENECA
Gross Vehicle Weight Rating (GVWR)26, 000 lbs
Engine6.7L
Width102 inches
Height12 feet 6 inches
Transmission6-speed automatic

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