5VEDEX 4000
2 Installation
System diagram
EXP
AV
LV
SÄV
AV
AVT
AV
BV
SV4
CP2
SV1
SV2
T
T
T
VVB
T
ELK
RC
AV
AVT AVT AVT
AV
AV
CP1
AV
Heating
Abbreviations
Hot water heating
Product description
Area of use
AV Shut-o valve
AVT Draining valve
BV Non-return valve
CP1 Charge pump
CP2 Circulation pump
ELK Immersion heater
EXP Level vessel/expansion vessel
LV Venting valve
MV Motor valve
RC Control box
SV1 Shunt valve
SV2 Mixer valve
SV4 Thermal valve
SÄV Safety valve
TG Temperature sensor
VVB Hot water heater
The outline diagram shows components that are not
included in standard deliveries.
Hot water is taken from the top of the boiler and rout-
ed to the accumulators. Return water from the accu-
mulator tanks is led via a charger pack to the bottom
of the boiler. The hot water is led from the accumu-
lators to the radiator circuit via a shunt valve (SV1),
where the desired temperature to the radiators is
maintained by mixing the hot accumulator water with
the cooled return water from the radiator circuit with
recommended 65ºC temperature.
An accumulator tank with integrated water heater or
coil is needed for hot water heating or alternatively an
external water heater.
The hot water capacity is determined by the choice of
water heater size or the length of coil.
VEDEX 4000 is a boiler intended for heating houses
and other small buildings.
The boiler is environmentally approved for wood ring
to the accumulator tank.
VEDEX 4000 is a wood-red boiler with an induction
ue gas fan. Max. wood length is 0.5 m. The boiler is
designed to be connected to an external water heater
for heating domestic hot water.
When ring, the boiler water is partly heated by the
hearth and partly by the ue gas ducts.
Average output during wood burning operation is ap-
prox. 35kW (max. output is approx. 40kW).
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