17-1
17 WINTERIZATION
17.1 COLD TEMPERATURE
OPERATION
Commander units are built for year-round travel
including:
1. Urethane installation undercoating.
2. Insulated and heated holding tank compartment.
3. All plumbing located in heated interior spaces.
Although your motorhome is designed to withstand
winter temperatures, we cannot guarantee the vehicle
not to freeze. Certain precautions should be taken in
preparing for sub-zero temperature travelling.
Embassy units are built for summer use (with the
optional XL package it is considered a 3 season unit).
17.1.1 CHASSIS
Check coolant level and add anti-freeze, if required, to
protect against lowest expected temperature. Change
engine oil to the recommended viscosity to aid cold
weather starting. See the manufacturer's manual for
further recommendations.
17.1.2 LP GAS
When travelling in winter, propane is recommended as
it will vaporize in extreme cold (above -42 C). Butane
is not recommended due to its high vaporization
temperature (0C). Use of butane in cold temperatures
may block the system and cause components to
malfunction. Have a qualied service personnel add
approximately .25 liters of methyl alcohol to your LP
gas container to prevent freeze-up.
17.1.3 FURNACE
During below freezing temperatures, the furnace
must be operating at all times. Remember, although
the furnace runs on LP gas, it is powered by 12-volt
electrical. the battery in the motorhome must be up
to normal levels, 12 volts (or plugged into 120V) or
else the furnace will not operate.
17.1.4 WASTE SYSTEM
To prevent winter freeze-up, add RV anti-freeze
through the toilet and kitchen drains, directly into the
COMMANDER / EMBASSY
holding tanks. Be sure to add sufcient amounts in
order to protect the total volume of the holding tank.
Do not use alcohol-based anti-freeze or other
petroleum products.
17.1.5 FRESH WATER SYSTEM
The fresh water system consists of the water tank, the
pump and all lines. This entire system is contained
inside heated interior spaces. At all times, it is
necessary to have the furnace operating. The heated
air in the motorhome will circulate around the water
tank, pump and water pipes and reduce the possibility
of freeze-up.
17.1.6 EXTERIOR SHOWER
The Embassy exterior shower is not designed for cold
temperature operation.You must protect the exterior
shower taps from freezing when the motorhome is
used in cold temperatures as follows:
1. Winterize the fresh water lines as you would for
cold temperature storage (Section 17.2).
2. Close the shut-o valves located near the
exterior shower.
3. Dewinterize the rest of the fresh water system.
4. Do not use the exterior shower in cold
temperatures.
17-1
17 WINTERIZATION
17.1 COLD TEMPERATURE
OPERATION
Commander units are built for year-round travel
including:
1. Urethane installation undercoating.
2. Insulated and heated holding tank compartment.
3. All plumbing located in heated interior spaces.
Although your motorhome is designed to withstand
winter temperatures, we cannot guarantee the vehicle
not to freeze. Certain precautions should be taken in
preparing for sub-zero temperature travelling.
Embassy units are built for summer use (with the
optional XL package it is considered a 3 season unit).
17.1.1 CHASSIS
Check coolant level and add anti-freeze, if required, to
protect against lowest expected temperature. Change
engine oil to the recommended viscosity to aid cold
weather starting. See the manufacturer's manual for
further recommendations.
17.1.2 LP GAS
When travelling in winter, propane is recommended as
it will vaporize in extreme cold (above -42 C). Butane
is not recommended due to its high vaporization
temperature (0C). Use of butane in cold temperatures
may block the system and cause components to
malfunction. Have a qualied service personnel add
approximately .25 liters of methyl alcohol to your LP
gas container to prevent freeze-up.
17.1.3 FURNACE
During below freezing temperatures, the furnace
must be operating at all times. Remember, although
the furnace runs on LP gas, it is powered by 12-volt
electrical. the battery in the motorhome must be up
to normal levels, 12 volts (or plugged into 120V) or
else the furnace will not operate.
17.1.4 WASTE SYSTEM
To prevent winter freeze-up, add RV anti-freeze
through the toilet and kitchen drains, directly into the
COMMANDER / EMBASSY
holding tanks. Be sure to add sufcient amounts in
order to protect the total volume of the holding tank.
Do not use alcohol-based anti-freeze or other
petroleum products.
17.1.5 FRESH WATER SYSTEM
The fresh water system consists of the water tank, the
pump and all lines. This entire system is contained
inside heated interior spaces. At all times, it is
necessary to have the furnace operating. The heated
air in the motorhome will circulate around the water
tank, pump and water pipes and reduce the possibility
of freeze-up.
17.1.6 EXTERIOR SHOWER
The Embassy exterior shower is not designed for cold
temperature operation.You must protect the exterior
shower taps from freezing when the motorhome is
used in cold temperatures as follows:
1. Winterize the fresh water lines as you would for
cold temperature storage (Section 17.2).
2. Close the shut-o valves located near the
exterior shower.
3. Dewinterize the rest of the fresh water system.
4. Do not use the exterior shower in cold
temperatures.
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