101
UNITY MOTORHOME WATER AND PLUMBING SYSTEM
CITY WATER SUPPLY
The city water source supplies your motorhome’s
water system with water at pressure of the external
source when the water pump is switched off�
CONNECTING THE EXTERNAL WATER SUPPLY
1� Press any water pump switch to turn off the water
pump�
2� Attach a potable water hose to the city water
connection
1
. Turn the water ll selector valve
2
to the city water position
4
�
3� Turn on the city water supply.
4� Make sure water heater valves are set as shown
below:
A
,
B
and
E
should be open and
C
and
D
should be closed�
A
C
D
B
E
After connecting to the external water supply,
open the faucets in your motorhome slowly
and cautiously. Air trapped in the line can
cause the water to splash into the sink.
Drape a washcloth over the faucet to prevent
excessive splashing.
NOTICE
WATER AND PLUMBING
SYSTEM
WATER SUPPLY
Your motorhome is designed with fresh water, grey
water and black water systems and the associated
plumbing to handle all of the water and waste
water requirements. Review this section carefully
to understand each system and how they function
together�
FRESH WATER SYSTEM
The following two sources may supply fresh water to
your motorhome:
• Fresh water tank - located inside your motorhome
or below the coach oor (location varies according
to oor plan)
• City water - a connection that supplies water to
your motorhome through a hose�
The fresh water tank system built into your motorhome
provides full service similar to the system used in your
home. A 12 volt DC self-priming pump draws water
from the fresh water storage tank to all the cold water
faucets and the water heater. An automatic pressure
switch, located inside the water pump, maintains
positive line pressure.
The city water connection
1
and water ll selector
valve
2
are located in the rear utility center�
1
2
4
3
The water ll selector valve
2
has the following two
positions:
• City water
4
• Water tank ll
3
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