Leisure UNITY 2018 - Maintenance and Servicing

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UNITY MOTORHOME MOTORHOME MAINTENANCE
connection in the utility compartment and attach
the blowout plug to the San-T-Flush connection.
Blow compressed air through the San-T-Flush
connection for about 15 seconds, remove the
blowout plug and replace the cap on the SanT-
Flush connection�
17� Drain the black and grey waste holding tanks
(pull the black waste tank lever rst and wait for
it to empty then pull the grey waste tank lever.)
Make sure tanks are empty and put one cup of
antifreeze down each sink drain, shower drain
and toilet. If equipped with a macerator pump, put
½ gal. of plumbing antifreeze down the bathroom
vanity sink and run the macerator pump until the
antifreeze can be seen running through the hose.
DE-WINTERIZING THE WATER
SYSTEMS
NOTE: Flush entire water system before lling the
hot water tank.
1� Rell the water tank with fresh city water.
2� Turn the bypass valve, located in the utility center,
to the “NORMAL FLOW’ position.
3� Turn the hot water heater bypass valve to the
“NORMAL FLOW" position.
4� Turn on the water pump switch located on the
system monitor panel in the cabinet above the
coach door�
5� Open the water faucet furthest away from the
water tank. Run the water until clear water
appears then shut off the faucet� Repeat this
procedure for all remaining faucets including the
shower and exterior faucets�
6� Open the hot water line until clear water appears�
Ensure no air pressure or winterization uid
enters the water heater as part of this process.
CAUTION
7� Valve
D
should remain closed at this point�
8� Open valve
C
�
9� Remove the water lter canister (stored under the
sink), remove the lter cartridge from the canister
and reinstall the water lter canister (make sure
it is tight.) Store the lter cartridge in a warm dry
place�
10� Drain the water heater (avoid the risk of being
scalded.) Outside at the yellow easy drain lever,
lift the black clip and fold down the yellow easy
drain lever. Remove the water inlet lter and
store in a warm dry place� Close the yellow easy
drain lever.
11� Place the suction hose attached to the winterize
valve in the utility compartment into a non-toxic
plumbing antifreeze container and turn the valve
to the winterize position (making sure the city
water/tank ll valve is in the city water position) in
order not to get antifreeze into fresh water tank.
12� Switch on the water pump inside (above entrance
door) and pump antifreeze through all hot and
cold faucets one at a time (including toilet ush
with the rinse hose (if equipped)) and outside
shower until pink antifreeze appears.
13� Go inside and switch off the water pump� You
can now open valve
D
at the water heater
inside to drain and relieve the pressure in the
water lines. Access the water pump inside the
coach, unscrew the lter bowl to access the
screen, remove the screen and clean the screen
and lter bowl with fresh water before reinstalling
both components on the water pump�
14� Go outside and remove the screen from the city
water ll connection, depress the center stem
until no more uid drains out (you may or may
not see any uid) and replace the screen in the
city water ll connection. Turn the winterize valve
to normal ow and place the suction hose in the
utility compartment�
15� Remove the water lter canister from under the
sink, empty the antifreeze from the canister and
reinstall the water lter canister (making sure it
is tight.)
16� Remove the cap from the black tank San-T-Flush