Circulation set

VTR300, VTR500

The series VTR300 and VTR500 for hot water circulation installations. The Circulation Set offers instantly available hot water, scald protection and comfort in a compact and efficient way. Using only thermostatic components (non-electrical) the unit is completely independent and provides very easy installation, with connections and check valves included.

Hot water available instantly
All in one, easy installation
Anti-scald protection
Insulation for minimized energy losses
VTR500 for multfamily houses

Product range

VTR320

VTR520

Series VTR322, External thread

Art.no.	Reference	Temperature range °C	Kvs** Kvs-value in m3/h at a pressure drop of 1 bar.	Connection G	Connection H	A mm	B mm	C mm	D mm	E mm	F mm	Weight kg
31400100	VTR322	35-60	1.6	R ¾"	R ¾"	140	219	75	70	140	90	1.45
31400200	VTR322	45-65	1.6	R ¾"	R ¾"	140	219	75	70	140	90	1.45
31400300	VTR322	50-75	1.6	R ¾"	R ¾"	140	219	75	70	140	90	1.45

Series VTR522, External thread

Art.no.	Reference	Temperature range °C	Kvs** Kvs-value in m3/h at a pressure drop of 1 bar.	Connection G	Connection H	A mm	B mm	C mm	D mm	E mm	F mm	Weight kg	Note	NTCNTC = National Trade Code
31400400	VTR522	45-65	3.5	R ¾"	R 1"	154	257	100	75	164	100	2.2
31400500	VTR522	50-75	3.5	R ¾"	R 1"	154	257	100	75	164	100	2.2

Installation support

Installation examples

Installation instruction

VTR300/VTR500, Installation

Technical data

Suitable application area

Recommended

Potable water, in line

Technical data

Pressure class:	PN 10

Working pressure:	1.0 MPa

Differential pressure,	Mixing max.: 0.3 MPa

Capacity diagram:	see product catalogue

Media temperature, max.:	95 °C

Temperature stability:	± 2 °C

Connection,	External thread (R): EN 10226-1

Material,	Valve housing and other metal parts with fluid contact: Dezincification resistant brass DZR

Conformity	PED 2014/68/EU, article 4.3

Valves are designed for VTR300_500

Conformity Low Lead_100x128_utgA-01

HCACL/4MS UBAList
KTW/WRAS/ACS

Accessories and spare parts

Spare parts

Image	Art.no.	Reference	Designation	Note
BV Check valve kit VTR322/VTR533.	37202900	BV	Check valve kit
VTA932 Exchange kit VTA932, 35 - 60°C.	37000400	VTA932	Exchange kit, 35 - 60°C	VTR320
VTA932 Exchange kit VTA932, 45 - 65°C.	37001500	VTA932	Exchange kit, 45 - 65°C	VTA320
VTA932 Exchange kit VTA932, 50 - 75°C.	37001600	VTA932	Exchange kit, 50 - 75°C	VTA320
VTA952 Exchange kit VTA952, series VTA520, 45 - 65°C.	37100200	VTA952	Exchange kit series VTA520, 45 - 65°C
VTA952 Exchange kit VTA952, series VTA520, 50 - 75°C.	37100300	VTA952	Exchange kit series VTA520, 50 - 75°C

Download area

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Data sheet

VTR300, VTR500

Installation instruction

VTR300, VTR500

Certificate

Declaration of Conformity, VTR300

Certificate

Declaration of Conformity, VTR500

Certificate

Bulding Product Declaration BPD3

Approval

PZH-certificate (PL)