which supply gas in the liquid phase are
prohibited.
• During the initial start-up of a brand new
appliance, small quantities of fumes and
a slight odor may occur briefly. When the
appliance is started up after a particularly
long period of non-use, there may be some
smoke and/or smell due to dust or dirt. It is
a good idea to allow the appliance to run at
maximum output for a few minutes and to
ensure that the area is well ventilated.
– For using the Combi furnace in hot water
mode (140 °F (60 °C)), let it heat up several
times.
• Hot air can be dangerous, especially for in-
fants, children, the elderly, or infirm. It can
cause burns:
– Ventilation air can reach 250 °F (121 °C) at
the warm air outlets. Always check the air
temperature before varying the air throttle
position (Fig. 1 – H).
• Hot water can be dangerous, especially for
infants, children, the elderly, or infirm. It can
cause severe burns:
– Never actuate the pressure relief/drain
valve (Fig. 1 – E) as long as the Combi fur-
nace is under water pressure and/or still
hot.
– Always check the water temperature be-
fore entering a shower or bath.
• How long before hot water causes skin
damage?
Temperature
Time before skin becomes
°F (°C)
scalded
155 (68)
148 (64)
140 (60)
133 (56)
15
127 (52)
124 (51)
120 (48)
100 (37)
Source: Moritz, A.R. / Herriques, F.C.: Studies of thermal injuries: the
relative importance of time and surface temperature in causation of cu-
taneous burns
A. J. Pathol 1947; 23: 695 - 720
• Children up to 17 years of age as well as
people with physical, sensory, or mental
disabilities and/or people who are inexpe-
rienced or unknowledgeable may use the
Combi furnace only if they are supervised or
have been instructed in the safe use. They
1
second
2
seconds
5
seconds
seconds
1
minute
3
minutes
5
minutes
safe bathing temperature
must also understand the risks associated
with using it. Children must not play with the
Combi furnace.
Safe operation while moving the RV
• Shut OFF gas and the LPG tank when mov-
ing the RV. This disables all gas appliances
and pilot lights. Gas appliances must never
be operated while vehicle is in motion.
• Shut OFF the Combi furnace when refueling
or pumping gas.
• To avoid damage, make sure no spray water
enters the Combi furnace when cleaning the
RV, e.g., do not spray directly into the wall
cowl.
Safe handling of malfunctions
• Switch OFF the gas supply and the Combi
furnace if anything seems to be out of the
ordinary.
• Danger of fire or explosion when attempting
to use a flood-damaged Combi furnace or
if the RV has been involved in an accident!
A qualified service technician must inspect
the furnace. In the case of moisture damage,
the qualified service technician must replace
damaged gas controls, control system parts
and/or electrical parts, or provide a new
furnace.
• Only a qualified service technician may per-
form repairs.
• Have a qualified service technician immedi-
ately remedy any malfunctions.
– Remedy a malfunction yourself only if a
remedy is specified in the troubleshooting
chart in these operating instructions (refer
to "Troubleshooting" on page 19).
• After any misfire, a qualified service techni-
cian must inspect the Combi furnace and the
exhaust tube.
Safe maintenance and repair
• Only a qualified service technician may clean
and maintain the furnace.
7