REV Midwest Automotive Design American Coach Patriot 2022 Owner'S Manual Download

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A M E R I C A N C O A C H P A T R I O T O W N E R ’ S M A N U A L

A M E R I C A N C O A C H // P A T R I O T

S E C T I O N 1 3 //

1 4 5

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SUBURBAN NAUTILUS WATER HEATER

To ensure your on-demand water heater direct vent gas with direct

spark ignition system performs efficiently

, inspect the system

annually following these guidelines:

STEP 1

Periodically inspect unit for soot�

STEP 2

If soot is present anywhere on water heater,

immediately shut unit down and contact your dealer or

a qualified service person.

STEP 3

Soot is a sign of incomplete combustion and must be

corrected before operating water heater�

STEP 4

Areas to check would include:

Check for an obstruction in the exhaust vent cap,

located at the driver’s side rear of the coach�

Check vent to see that no foreign material has

accumulated to prevent flow of combustion and

ventilating air�

Check to ensure no flame is present at the burner

orifice or the burner whenever the main gas valve is

closed� This can be checked by turning the “ESPAR”

switch to the “Off” position at the Firefly display.

STEP 5

Periodically check wiring and wire connections to be

sure wiring is not damaged/frayed

STEP 6

Make sure all terminals and connections are tight and

no corrosion is present�

DANGER

If this appliance is not maintained in accordance with the

instructions in this manual, then the risk of a fire and / or Carbon
Monoxide (CO) gas poisoning exists which can damage your

coach and cause serious physical injuries or death.

danger

WARNING

For your safety, any repairs to the Suburban Nautilus water
heater should be performed at your authorized American

Coach dealership by a qualified service technician.

Attempting to repair the unit yourself could damage the
coach and / or the water heater.

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12-VOLT 6 GAL. WHALE WATER HEATER

Whale Electric Water Heaters are designed with the very latest
technology� All heaters are manufactured from the highest quality

materials and designed to specifically withstand extremely harsh

environmental conditions� Periodic maintenance is required to
ensure top performance of the heater�

Follow these inspection and

maintenance steps:

STEP 1

Check heat exchanger lines for leaks at regular

intervals� A leak in the system will cause coolant loss

and may damage engine�

STEP 2

Flush tank periodically to help prevent build-up

of deposits�

PROTECT AGAINST DAMAGE FROM FREEZING
Temperatures (32° F or less) Please review the following:

STEP 1

Drain tank by fully opening drain valve�

STEP 2

Open T&P valve to help relieve vacuum in tank�

(See item 2 in exploded view)

It is recommended that you winterize your freshwater system� First
complete steps 1 and 2, then follow instructions of your local supplier
on the use of non-toxic propylene glycol antifreeze to protect the heater
and your water lines while the coach is in storage� Refer to SECTION 8

(PLUMBING) for detailed water system winterization procedures.

warning