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Shutdown
Switching off the furnace
Switch off the Combi furnace using the CP plus control panel. Due to internal
processes, it may take some time until the furnace is completely shut down.
If the Combi furnace and any other gas-powered device is not needed anymore,
turn off the LP gas supply.
Switch off the Combi furnace's electrical power supply.
If the RV is being put into storage, or if you switch off the Combi furnace during freezing
temperatures, refer to "Winterizing".
Draining the water container
Damage to the Combi furnace caused by freezing!
The Combi furnace does not have a frost-protection function. The water
container must be drained if the recreation vehicle will not be used when-
ever there is a risk of frost.
No warranty claims are accepted by the manufacturer of the Combi fur-
nace for frost/freeze damage
To make sure that all water drains properly from the water container, place a big enough
vessel underneath the drainage socket of the pressure relief/drain valve (> 2.64 gallons (10
liters).
Use the main switch or pump switch to switch off the power to the water-pump
assembly.
Turn off or disconnect the city water connection, if present.
Open all water release points, e.g. cold and hot water faucets, showers, toilets.
Open the pressure relief/drain valve
The water container will drain via the drainage socket of the pressure relief/drain valve.
Decalcifying and cleaning the water container
™ NOTE: Truma recommends decalcifying and cleaning the water container
at least twice a year for hygienic reasons. Only use specialized and suitable
products. Do not use chlorine-based products. Read and follow the instruc-
tions of the decalcifying agent's manufacturer.
For decalcifying the water container, fill the water container with citric acid and let it
1.
work for some time.
2.
Fill citric acid into the fresh water supply and dilute it with fresh water according to the
supplier's specification.
Add more than 2.64 gallons (10 liters) of water to fill up the water container of the
3.
Combi furnace.
4.
Drain the mixture of citric acid and water from the water container (refer to "Draining
the water container") and flush it with fresh water (refer to "Filling the water con-
tainer").
5.
In order to avoid growth of micro-organisms, regularly heat the water in the boiler to
158 °F (70 °C) as follows:
a.
Select energy mode "LP gas" on CP plus control panel.
b.
Select the hot water level "boost" on CP plus control panel.
Section 9: Heating & Cooling
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