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Construction
The softening unit consists of:
• Blending unit, consisting of water flow meter, outlet-sided
blocking capability and bleeder valve
• Stainless steel mounting bracket with connection set
• Threaded male connections
• Total hardness test-kit to determine water hardness
Materials
• Dezincification-resistant brass housing
• Mechanical components of the blending unit made of highquality synthetic material
• EPDM sealing washers
VE300
Softening unit
for heating systems
Product specification sheet
Application
The softening unit of the Honeywell VE300 facilitates the softening of heating water. Limescale and thereby caused damages
and malfunction in hot water heating system are avoided
efficiently.
According to DIN EN 1717 the refilling combination NK300 have
to be fitted on the inlet to protect the portable water supply.
Special Features
• Intergrated water meter simplify the determination of cartridge
exchange
• Easy installation and exchange of cartridge without tools
• Constant connection with the drinking water supply in accordance with EN1717 by hose line or piping is possible in case
of using a NK300
Range of Application
Medium Water
Inlet pressure max. 6.0 bar
Suitable for heating systems with the following materials: steel,
copper, copper alloys and plastics.
Treated water has modified corrosive chemical parameters.
Conditioning by means of inhibitors is to be provided for separately.
Technical Data
Installation position horizontal
Operating temperature max. 30 °C
k
-value 0.45 m3/h
vs
1
Connection size
/2" External thread
EN0H-1547GE23 R0409 • Subject to change
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VE300 Softening unit for heating systems
L
l
The softening unit, installed directly after the refilling combination,
works according to the ionic exchange principle and replaces the
alkaloids of soil such as calcium and magnesium with sodium
Method of Operation
h
1
ions.
Dependant on the regional water hardness, the water is either
h
3
partially softened (<8°dH) or completely softened (<0,11°dH) by
adjusting the blending unit.
Options
VE300-1/2A = Standard version with threaded connection R
1
/2"
H
h
2
Connection size R
1
/2"
Weight kg 1.8
Dimensions mm
H504
h
1
h
2
h
3
54
450
45
L296
l138
-value m3/h 0.45
k
vs
P300-S/L
2192900
NK300
V
G
N
T
D
VST06-B
BA295
AD300
D06F
Accessories
2192900 Shutoff valve
1
Connection size
/2"
VST06-B Connection set
Solder connections
P300-S Cartridge
0,75l cartridge with ionic exchange resin
P300-L Cartridge
3.5l cartridge with ionic exchange resin
AD300 Adapter
To fit the softening unit to a 3/4“ male connection.
D06F Pressure reducing valve
Noise protected pressure reducing valve with setting
scale. Maximum inlet pressure 16 bar, with brass
filter bowl 25 bar, outlet pressure range 1.5 - 6.0 bar
A = With clear filter bowl up to 40 °C / 16 bar
B = With brass filter bowl up to 70 °C / 25 bar
BA295 Backflow Preventer
To protect drinking water systems against back
pressure, backflow and withdrawal. Protection
against fluids up to and including fluid category 4
acc. to DINEN1717.
NK300 Refilling combination
Liquid catagory 4, with pressure gauge, shutoff
valve and isolating shell
EN0H-1547GE23 R0409 • Subject to change
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Installation Example
VE300 Softening unit for heating systems
Installation Guidelines
• Installation in inlet of the heating system, fasten softening unit
on the wall
o Installation into horizontal pipework
• The installation may not take place in areas or ducts where
poisonous gases or vapours may be present or where flooding can occur
• The installation environment should be protected against
frost and ventilated well
• The installation location has to be easily accessible
o Simplified maintenance and cleaning
• According to DIN EN 1717 first install the refilling combination
in the flow direction, then immediately thereafter install the
softening unit
• The national installation regulations must be observed during
the assembly.
• Install a shutoff facility before the softening unit in case of
installation without refillig combination
EN0H-1547GE23 R0409 • Subject to change
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VE300 Softening unit for heating systems
1
Spare Parts
Softening unit VE300 (2009 onwards)
2
No. Description Part No.
1 Water flow meter WZ300
2 Air bleed valve 2421100
Automation and Control Solutions
Honeywell GmbH
Hardhofweg
D-74821 Mosbach
Phone: (49) 6261 810
Fax: (49) 6261 81309
http://europe.hbc.honeywell.com
www.honeywell.com
Manufactured for and on behalf of the
Environmental and Combustion Controls Division
of Honeywell Technologies Sàrl, Rolle, Z.A. La
Pièce 16, Switzerland by its Authorised Representative Honeywell GmbH
EN0H-1547GE23 R0409
Subject to change without notice
© 2009 Honeywell GmbH
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