Audiovox ACC-40 Operations Instructions download pdf (Page 76)

SECTION 7

PLUMBING SYSTEMS

7-2

Because city water pressure varies from

location to location, we recommend us-

ing an in-line water pressure regulator

to prevent damage to any components,

connections and seals in your fresh wa-

ter system.

A water pressure regulator may be ob-

tained from any well stocked RV dealer-

ship retail center and some retail

discount centers. These devices simply

connect in-line between the supply hose

and the city water input on the coach.

We recommend a regulator that controls

water pressure to 40 psi maximum.

NOTE: Always keep the tank fill valve closed un-

less you are filling the tank. If this valve

is open while using the city water, the

water will keep flowing into the tank and

out the gravity fill tube.

WATER PUMP

Pressure for the water system is supplied by a

water system demand pump which is fully auto-

matic after initial priming. When a faucet is

opened, the pump begins operation to provide a

constant flow from the tank. When the faucet is

closed, the pump automatically shuts off.

Water Pump Switch

Your coach is equipped with water pump

switches in three convenient locations:

• on the monitor panel (see section 8)

• in the bathroom

• in the utility service compartment on the out-

side of the coach

While any pump switch is in the “ON” posi-

tion, the pump will automatically supply water

pressure as it is needed. It is recommended that

the pump switch be turned off whenever you are

away from the vehicle or not using the water sys-

tem. A slow leak in a faucet could drain the water

system and discharge the coach battery.

Initial Start-Up

1. Make sure that all water drain valves are

closed, including water heater valve. (Refer

to Section 10.)

2. Turn water pump switch to “OFF” position.

3. Fill water tank.

4. Open all faucets, hot and cold.

5. Turn on pump switch.

6. Close each faucet as it begins to deliver a

steady stream of water (close cold water

first). Leave hot water faucets on until they

also deliver a steady stream of water. This

will ensure that the water heater is filled with

water.

7. Check to be sure pump stops soon after all

faucets have been closed.

8. Pump is now ready for automatic operation.

Pump will start when a faucet is opened and

stop when the faucet is closed.

ACCUMULATOR TANK

A pressurized accumulator tank is installed in

the water line directly upstream from the water

pump located in the water pump compartment

on the right side of the coach.

The accumulator tank holds a small amount

of water under pressure of 20 psi to reduce water

line pulsation noise and pressure variations

when using the water pump system. This also

contributes to longer pump life, less pump

Water Pump

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