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A control valve prevents the refrigerant from flowing into the reheating coil when this is not required.
The hot gas reheating is available as an alternative to the hot water heating. For the Constant" unit the
hot gas system is of series, the hot water system is not available.
Operation mode of the electrical heating and the hot gas reheating
Deumidification function
first steep second steep
ON OFF ON OFF
hot gas
reheating
electric heating
1
st
power step
hot gas reheating + 2
power step electric
heating
electric heating
3
rd
power step
Hot gas system features
4 6 8 5 7 9
Models
S L S L S L S L S L S L
coil rows (each coil)
[no.]
1 1 1 2 2 2
coil surface [m
2
] 0.22 0.33 0.33 0.44 0.66 0.66
heating power with room
temperature of 24C, humidity
50%, condensation temperature
45C
[kW] 3,4 5,1 6,3 7,3 8,2 9,9 6,9 10.2 12,7 14,7 16,4 19,9
Hot water heating (and dehumidification system)
The hot water heating coil made of copper pipes and aluminum fins, single row, testing pressure 30 bar,
includes an exhaust valve. A three-way on-off valve is supplied as standard. It is directly controlled by
a microprocessor as a function of the room temperature and by a hot water thermostat (to be supplied
by the customer).
When the hot water heating is installed, the dehumidification system is operating as well and the relevant
humidity sensor and indicator are provided (see "Humidification and dehumidification system" for the de
humidification function).
The hot water heating system is an alternative to the hot gas reheating system. For the Constant" unit
the hot gas system is of series, the hot water system is not available.
Operation mode of the electric heating and the hot water reheating
Deumidification function
first steep second steep
ON OFF ON OFF
hot water reheating
electric heating
1
st
power step
hot water reheating + 2
power step
electric heating
electric heating
3
rd
power step
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