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Unity Motorhome
Water / Plumbing System
Electrical Supply
Your Motorhome is designed with fresh water, grey water and black water systems, and associated plumbing to
handle all of the water and waste requirements. Review this section carefully to understand each system and how
they function together.
Fresh Water System
There are two sources for fresh water in your
Motorhome:
●
A water tank located within your Motorhome.
●
By connecting to "city water" by means of a water
hose.
Both sources supply water to the sink, shower, bathroom
toilet, and water heater.
The water 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 cold faucets and the water heater.
An automatic pressure switch, located in the water pump
maintains a positive line pressure.
The city water connection (1) and water fill selector
valve (2) are located in driver's side/rear exterior
compartment.
The water fill selector valve (2) has two positions:
(A) Water tank fill
(B) City water
External Water Supply
The external water source will supply your Motorhome
water system with water at city pressure when the water
pump is switched off.
Connecting
1.
Turn the water pump switch (3) to "OFF" on the system
monitor panel.
2.
Attach a garden hose to city water connection (1). Turn
the water fill selector valve to city water (position B).
3.
Turn "ON" the city water supply.
NOTICE
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. You may want to drape a washcloth
over the faucet to prevent excessive splashing.
Water / Plumbing System
2
A
B
4.
Standard Water Heater Only
bypass valve (4), located on the water heater to
"NORMAL FLOW" to ensure water enters the heater
and hot water is available for Motorhome use. The
water heater is located in a coach compartment
(location varies according to coach floorplan). Refer
to the water heater owner's manual located in the
information kit for further information.
1
3
4
- Turn the water heater
1-61
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