Appliances
2999828 - 05/18 - EHG-0012-00EN
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9.2.2 Heater and production of hot water (Truma Combi)
If the heater is not in operation when there is a risk of frost, empty the
domestic water container.
The power supply of the heating control system cannot be interrupted by
means of the 12 V main switch.
The heater is operated with gas.
1 Summer operation water tempera-
ture 60 °C
2 Summer operation water tempera-
ture 40 °C
3 Off
4 Winter operation "Only heater"
5 Winter operation "Heater and pro-
duction of hot water"
6 Rotary switch (external ring)
7 Indicator lamp "Heater operation"
(green)
8 Temperature control knob
9 Indicator lamp "Heating up period of
production of hot water" (yellow)/
"Fault" (red)
Fig. 59 Operating unit
The heater can be operated in different operating modes:
Winter operation (with or without production of hot water)
Summer operation (only production of hot water)
Set the operating mode using the rotary switch (Fig. 59,6).
The heater is operated exclusively with gas.
In winter operation "Heater and production of hot water" (Fig. 59,5) the do-
mestic water is automatically heated up when the heater is switched on. If
the heater switches off after the required room temperature has been
reached, the domestic water will continue to heat up until the set water tem-
perature has been reached.
A temperature sensor next to the panel measures the room temperature.
In the operating mode "Only heater" (Fig. 59,4) the heater can be operated
with an empty domestic water container.
Open the regulator tap on the gas bottle and the gas isolator tap
"Heater/boiler".
Turn the temperature control knob (Fig. 59,8) on the operating unit to
the desired heating level.
Set rotary switch (Fig. 59,6) to winter operation "Only heater" (Fig. 59,4)
or to winter operation "Heater and production of hot water" (Fig. 59,5).
The green indicator lamp (Fig. 59,7) is on.
The circulation fan automatically switches on when the heater is activated.
Operatin
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