Audiovox ACC-40 Operations Instructions download pdf (Page 77)

7-3

SECTION 7

PLUMBING SYSTEMS

cycling, and less amperage draw by the water

pump from the coach batteries.

NOTE: The accumulator tank has a precharge

pressure which must be checked month-

ly and maintained at 20 psi for the sys-

tem to work properly.

Adjusting Precharge Pressure

A tire-type valve stem is provided on the end

or top of the accumulator tank to check or add

air pressure.

When adding air, do not exceed 20 psi tank

precharge pressure because you may risk ruptur-

ing the pressure bladder inside the accumulator

tank.

Because of the relatively small capacity of the

bladder, check pressure with a standard tire pres-

sure gauge before adding air, then if necessary,

add air in small bursts, checking pressure

between each burst until 20 psi is attained.

Overfilling will also push the bladder too far

and reduce the volume of water held in the accu-

mulator tank, making the system inefficient.

The precharge valve stem cap must be tight

to prevent pressure leak-down.

Further Information

See manufacturer’s information supplied for

your Owner’s InfoCase for complete mainte-

nance instructions and precautions.

INSTRUCTIONS FOR

DISINFECTION OF FRESH WATER

SYSTEMS ON RECREATION

VEHICLES

(As approved by the U.S. Public Health

Service)

To assure complete disinfection of your fresh

water system, it is recommended that the follow-

ing procedure be followed on a new system, one

that has not been used for a period of time, or

one that may have become contaminated. This

procedure is also recommended before long

periods of storage such as over winter.

1. Prepare a chlorine solution using 1 gallon of

water and 1/4 cup of household bleach

(sodium hypochlorite solution). With tank

empty, pour chlorine solution into the tank.

Use 1 gallon solution for each 15 gallons of

tank capacity. This procedure will result in a

residual chlorine concentration of 50 ppm in

the water system. If a 100 ppm concentration

is required as discussed in item 3, use 1/2

cup of household bleach with 1 gallon of

water to prepare the chlorine solution. One

gallon of the solution should be used for

each 15 gallons of tank capacity.

2. Complete filling of tank with fresh water.

Open each faucet and run the water until a

distinct odor of chlorine can be detected in

the water discharged. Do not forget the hot

water taps.

3. Allow the system to stand at least 4 hours

when disinfecting with 50 ppm residual

chlorine. If a shorter time period is desired,

then a 100 ppm chlorine concentration

should be permitted to stand in the system

for at least 1 hour.

4. Drain and flush with fresh water.

Accumulator Tank

WARNING

Chlorine is poisonous - recap bottle

and clean utensils after use.

Never use automotive type antifreeze

in your potable water system as it is

poisonous.

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