Safety Guidelines; Scope Of Delivery; Application; Technical Data - Honeywell NK300SE-SO Einbauanleitung

1. Safety Guidelines

1. Follow the installation instructions.
2. Use the appliance
• according to its intended use
• in good condition
• with due regard to safety and risk of danger.
3. Note that the appliance is exclusively for use in the appli-
cations detailed in these installation instructions. Any
other use will not be considered to comply with require-
ments and would invalidate the warranty.
4. Please take note that any assembly, commissioning,
servicing and adjustment work may only be carried out by
authorized persons.
5. Immediately rectify any malfunctions which may influence
safety.

2. Scope of delivery

NK300SE-SO consists of a refilling combination (NK300S)
that combines a backflow preventer, pressure reducing valve
and ball valves, a refilling unit (VE300S) and a softening
cartridge (P300-L).

3. Application

Medium
Freshwater hardness
range *
Inlet pressure
Outlet pressure
Liquid category Backflow
preventer BA
* In order to estimate the capacity of the cartridge for fresh
water hardness > 26°dH/46,4 °fH/4.64 mmol/l a manual
calculation method has to be used. (see Installation Manual
of the P300 cartridges incl. in the packaging of the cartridges)
Suitable for heating systems with the following mate-
rials: steel, copper, copper alloys and plastics.
Treated water has modified corrosive chemical para-
meters. Conditioning by means of inhibitors is to be
provided for separately.
Honeywell GmbH
Water
0°dH-26°dH
0°fH-46,4 °fH
0 mmol/l - 4,64mmol/l
max. 10.0 bar
1.5-4 bar adjustable, preset to 1.5
bar
4 (toxic, highly toxic, tumouri-
genic, radioactive materials)
GB

4. Technical data

Installation position
Operating temperature
k -value
vs
Connection ball valve 
Backflow preventer
Connection size discharge HT 40
Connection size

5. Assembly

It is necessary during installation to follow the installation inst-
ructions, to comply with local requirements and to follow the
codes of good practice.
5.1. Installations Guidelines
• Installation in the inlet to the heating system, fasten the
refill unit (VE300S) to the wall
• Install in horizontal pipework with discharge connection
respectivly cartridge connection directed downwards
• Install at height of at least 610 mm from the ground to
ensure that cartridges can be replaced
• Downstream of the refilling unit (VE300S), provide settling
section of at least 500 mm before integration in the heating
circuit.
• The installation may not take place in areas or ducts where
poisonous gases or vapours may be present or where floo-
ding can occur
• The installation environment should be protected against
frost and ventilated well
• The installation location has to be easily accessible
- Simplified maintenance and cleaning
- Pressure gauge at the pressure reducing valve can be
read off easily
• Acc. to EN 1717 in direction of flow, first install the refilling
combination (NK300S) and directly after it, the refill unit
(VE300S)
• The national installation regulations must be observed
during the assembly.
5
horizontal pipework with
discharge connection directed
downwards
max. 30 °C
0.30 m /h
3
G / "
1
4
/ " External thread
1
2
MU1H-1560GE23 R0918