Jayco Legacy Fifth Wheel 2009, Руководство пользователя

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SECTION 5
PLUMBING SYSTEMS
42
1. Turn OFF all electric power to the water
heater.
2. Turn OFF the propane supply.
3. Wait five minutes for the propane to clear
the area. If you smell gas then STOP!
Follow the safety instructions listed in the
vendor manual. If you don’t smell
propane, go to the next step.
4. Turn ON the propane supply.
5. Turn ON electrical power to the water
heater.
6. Make sure the switch located on the water
heater (behind the exterior water heater
compartment door) is ON.
Figure 9 Typical 120-volt AC and 12-volt DC interior water
heater switches
7. Turn either the 12-volt (located on the
monitor panel) or the 120-volt (generally
located in the kitchen or bathroom area)
water heater control switch ON. If the
burner does not light, the system will
automatically attempt two more tries for
ignition before lock-out.
Each ignition cycle will have a 15 second
purge before spark cycle if system is a
three try system.
8. If lock-out occurs before the main burner
lights, turn the water heater control switch
to OFF, wait five seconds and turn the
switch to the ON position. This will restart
the ignition cycle. The first start-up of the
heater may require several ignition cycles
before all the air is purged form the
propane lines.
If the burner will not come on, the following
items should be checked before calling a
service person:
1. See if the switch located on the water
heater (behind the exterior water heater
compartment door) is turned OFF.
2. Check to make sure the propane supply to
the water heater is not empty or turned
OFF.
3. Check to see if the reset button on the
water heater ECO (located behind the
exterior water heater compartment door)
is tripped.
Odor from the hot water system
Many water supplies contain sufficient
amounts of sulfur to produce an odor, often
called “sulfur water.” Sulfur water can be
caused by a chemical action or by bacteria.
Generally, sulfur water is not harmful, only
unpleasant to smell. To eliminate sulfur water
(or bacteria) sanitize the water heater and RV
plumbing system. Odor from sulfur water is
not a service problem.
High altitude deration
Operation of the water heater at high altitudes
may require derating. If the water heater is not
properly derated, lack of sufficient oxygen for
combustion may produce improper burner
operation. Pilot outage caused by burner lift-
Hydrogen gas may result if you have not
used the water heater for two weeks or
more.
HYDROGEN GAS IS EXTREMELY
FLAMMABLE. To reduce the risk of injury
under these conditions, open the hot water
faucet for several minutes at the kitchen
sink before you use any electrical
appliance connected to the hot water
system. If hydrogen is present, you
probably will hear an unusual sound such
as air escaping through the pipe as the
water begins to flow.
Hydrogen gas may be present even after
water has been drained from the tank.
Open the sink faucet at the sink and allow
the system to vent for five to ten minutes
(or as needed).
Do not smoke or have any open flame
near the open faucet. On DSI water heater
models, make sure the switch is OFF.