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Circulation unit, Mixing function

GRA200, GRA300

Flow control thanks to the progressive characteristic of the valve
A broad product portfolio offering multiple configuration options, including actuators for 3 point or proportional control signals, different high efficiency circulation pumps, and nominal pipe sizes DN20, DN25, and DN32. Certain units are also available without an insulation shell to meet specific application requirements.
QuickFit interface between actuator and valve - no tools needed
Easy to install with adjustable wall bracket
High class insulation shell
Pretested and ready to use
Compact design

The units are supplied with a rotary 3-way valve which features a progressive flow characteristic. The valve’s progressive characteristics gives high controllability in versatile system combinations, such as differing high temperature sources and low temperature emitters. Due to the valve’s progressive characteristic, each variant of GRAx00 (DN20, DN25 & DN32) cover greater variation of heat demands (system sizes/structure) and also counteracts controller hunting during operation.
If equipped with an actuator, the temperature control mixing function, is driven by a signal from an external controller. The mixed temperature is then a result of the controller’s setting parameters. For example, if the external controller is a weather compensated controller, the mixed temperature will be calculated based on the controller’s heating curve settings. The groups are used in systems with controllers, and it depends on the controller type and functions and which level of comfort that will be delivered.
Products are equipped with two shut-off valves with colour coded thermometers, a check valve placed on the return line from the heating circuit and an insulation shell (except GRA394).
The units have adjustable wall bracket which simplifies mounting onto the wall.

Product range

GRA211

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61042100	GRA211	25	Wilo PARA 25/6	ARA661	G 1"	G 1½"	5,8	Replaces 61040100
61042200	GRA211	32	Wilo PARA 25/8	ARA661	G 1¼"	G 1½"	6,2	Replaces 61040400

GRA212

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61042300	GRA212	25	Grundfos UPM3 AUTO 25-50	ARA661	G 1"	G 1½"	5,9	Replaces 61040500
61042400	GRA212	32	Grundfos UPM3 AUTO 25-70	ARA661	G 1¼"	G 1½"	6,1	Replaces 61040600

GRA231

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61042500	GRA231	25	Wilo PARA 25/6	ARA639	G 1"	G 1½"	5,8	Replaces 61043200
61042600	GRA231	32	Wilo PARA 25/8	ARA639	G 1¼"	G 1½"	6,2	Replaces 61043300

GRA232

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61042700	GRA232	25	Grundfos UPM3 AUTO 25-50	ARA639	G 1"	G 1½"	5,9	Replaces 61043400
61042800	GRA232	32	Grundfos UPM3 AUTO 25-70	ARA639	G 1¼"	G 1½"	6,1	Replaces 61043500

GRA261

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Note
61047100	GRA261	25	Wilo Stratos PICO 25/0,5-8	─	G 1"	G 1½"	with balancing valve
61047200	GRA261	32	Wilo Stratos PICO 25/0,5-8	─	G 1¼"	G 1½"	with balancing valve

GRA311

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61043600	GRA311	20	Wilo PARA STG 15/8	ARA661	G ¾"	G 1"	4,5	Replaces 61043100

GRA361

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Note
61043800	GRA361	20	Wilo Stratos PICO 15/0,5-6	─	G 1"	G 1"	with balancing valve

GRA394

Art.no.	Reference	DN	Pump	Actuator type	Connection I	Connection J	Weight [kg]	Note
61045800	GRA394	20	Wilo PARA 15/6	─	G ¾"	G 1"	3,4	without actuator and insulation shell

Installation support

Install ESBE Circulation unit

Operation

Installation example

Documents

Name	Download
Installation instruction GRA200, DN25/32
Installation instruction GRAx61, DN20/25/32
Installation instruction GRA310, DN20
Installation instruction GRA390, DN20

Technical data

Pressure class:	PN 10
Working pressure:	1,0 MPa
Insulation:	EPP λ 0,036 W/mK
Media, Heating water:	in accordance with VDI 2035
Media, Water/Glycol mixtures:	max. 50 % ; water / glycol mixtures are affecting the pump performance. In case of Applications where water / glycol mixtures are used, pump performance should be considered.
Media temperature - Series GRA211, GRA231:	min. +5°C, max. +100°C
Media temperature - Series GRA212, GRA232:	min. +5°C, max. +110°C
Media temperature - Series GRA261, GRA361:	min. +5°C, max. +95°C
Media temperature - Series GRA300:	min. +5°C, max. +100°C
Ambient temperature:	min. 0°C, max. +55°C
Ambient temperature - Series GRA261, GRA361:	min. 0°C, max. +40°C
Connections, Internal thread (G):	ISO 228/1
Connections, External thread (G):	ISO 228/1
Material, in contact with water	Components: Brass, Cast iron, Steel Sealing materials: PTFE, Aramid fibre, EPDM

Wilo PARA 25-130/6-43/SC
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	3 — 43 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	<0,20
Wilo PARA 25-130/8-75/SC
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	10 — 75 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	<0,21
Grundfos UPM3 AUTO 25-50 130
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	4 — 33 W
Enclosure rating:	IP44
EEI (Energy Efficiency Index), circulation pump:	<0,20
Grundfos UPM3 AUTO 25-70 130
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	2 — 52 W
Enclosure rating:	IP44
EEI (Energy Efficiency Index), circulation pump:	<0,20
Wilo PARA STG 15-130/8-60/0
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	2 — 60 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	<0,20
Wilo PARA 15-130/6-43/SCU
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	3 — 43 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	<0,20
Wilo Stratos PICO 15/0,5-6 130
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	3 — 40 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	≤0,18
Wilo Stratos PICO 25/0,5-8 130
Power supply:	230 ± 10% V AC, 50/60 Hz
Power consumption:	3 — 75 W
Enclosure rating:	IP X4D
Insulation class:	F
EEI (Energy Efficiency Index), circulation pump:	≤0,23

Conformity

PED 2014/68/EU, article 4.3

LVD 2014/35/EU
EMC 2014/30/EU
RoHS3 2015/863/EU
ErP 2009/125/EU

Dimensioning

Please see Data sheet

Wiring

Please see Installation instruction

Accessories and spare parts

Options

Art No.	Reference	Designation	Note	Data sheet	Instruction manual
66000500	GMA321	ESBE GMA321 Manifold for 2 circulation units, without integrated hydraulic separator function.	DN20
66000600	GMA331	ESBE GMA331 Manifold for 3 circulation units, without integrated hydraulic separator function.	DN20
66000700	GMB631	ESBE GMB631 Manifold Box	DN20, for 2-3 units
66001100	GMA411	ESBE GMA411 Hydraulic separation for 1 circulation unit.	DN25/32
66001200	GMA421	ESBE GMA421 Manifold for 2 circulation units, without integrated hydraulic separator function.	DN25/32
66001600	GMA521	ESBE GMA521 Manifold for 2 circulation units, with integrated hydraulic separator function.	DN25/32
66001300	GMA431	ESBE GMA431 Manifold for 3 circulation units, without integrated hydraulic separator function.	DN25/32
66001700	GMA531	ESBE GMA531 Manifold for 3 circulation units, with integrated hydraulic separator function.	DN25/32
66001400	GMA441	ESBE GMA441 Manifold for 4 circulation units, without integrated hydraulic separator function.	DN25/32
66001500	GMA451	ESBE GMA451 Manifold for 5 circulation units, without integrated hydraulic separator function.	DN25/32
12520100	ARA639	ESBE ARA639, Actuator Proportional 24V 15/30/60/120s
12101300	ARA661	ESBE ARA661, Actuator 3-point 230V 120s
12721100	CRA211	ESBE CRA211 Constant temperature Controller
12721700	CRA217	ESBE CRA217 Constant temperature Controller	with PWM pump control
12663100	CRB211	ESBE CRB211 Room temperature Controller, Cable
12663700	CRB217	ESBE CRB217 Room temperature Controller, Cable	with PWM pump control
12665700	CRB227	ESBE CRB227 Room temperature Controller, Wireless	with PWM pump control
12821100	CRC211	ESBE CRC211 Outdoor temperature compensated Controller
12821700	CRC217	ESBE CRC217 Outdoor temperature compensated Controller	with PWM pump control
12684200	CRD221	ESBE CRD221 Combined outdoor and room temperature Controller
12684700	CRD227	ESBE CRD227 Combined outdoor and room temperature Controller	with PWM pump control
66101000	GOP831	ESBE GOP831 Balancing valve STV20	DN20
66101100	GOP832	ESBE GOP832 Balancing valve STV25	DN25
66101200	GOP833	ESBE GOP833 Balancing valve STV32	DN32
66100800	GOP853	ESBE GOP853 Wilo-Connect module BMS

Spare parts

Art No.	Reference	Designation	Note	Data sheet	Instruction manual
67006200	GSP962	ESBE GSP962 Actuator ARA639 Prop 15-120s 24V QF
67006100	GSP961	ESBE GSP961, Actuator ARA661 3-point 120s 230V QF
67003300	GSP933	ESBE GSP933 Ball valves incl thermometer DN20 G¾", 2 pcs/package	DN20, G¾"
67003800	GSP933	ESBE GSP933 Ball valves incl thermometer DN20 G1", 2 pcs/package	DN20, G1"
67003400	GSP911	ESBE GSP911 Ball valves incl thermometer DN25 G1", 2 pcs/package	DN25
67004000	GSP911	ESBE GSP911 Ball valves incl thermometer DN32 G1¼”, 2 pcs/package	DN32
67005600	GSP932	ESBE GSP932 Pump Wilo STG 15/8	DN20
67004200	GSP942	ESBE GSP942 Pump Wilo PARA 15-130/6-43 SCU	DN20
67006300	GSP953	ESBE GSP953 Pump Wilo Stratos PICO 15/0,5-6	DN20
67005200	GSP951	ESBE GSP951 Pump Wilo PARA 25/6	DN25
67005400	GSP952	ESBE GSP952 Pump Grundfos UPM3 AUTO 25-50	DN25
67005300	GSP951	ESBE GSP951 Pump Wilo PARA 25/8	DN32
67005500	GSP952	ESBE GSP952 Pump Grundfos UPM3 AUTO 25-70	DN32
67006400	GSP954	ESBE GSP954 Pump Wilo Stratos PICO 25/0,5-8	DN25/32

Download area

Data sheet Data sheet (Old) Installation instruction Installation instruction (Old) Certificate Image 2D Image 3D drawing (stp file)

Type	Preview	Download
Data sheet	GRA200, GRA300
Installation instruction	GRA200, DN25 Ball valves Design 1
Installation instruction	GRA200, DN32 Ball valves Design 2
Installation instruction	GRA261/GRA361, DN20-32
Installation instruction	GRA310, DN20
Installation instruction	GRA390, DN20
Installation instruction	Wilo-Para Pump, GRA211/GRA231/GRA311/GRA394 (DN20/25/32)
Installation instruction	Wilo-Stratos PICO, GRA261/GRA361 (DN20/DN25/DN32)
Installation instruction	Grundfos UPM3, GRA212/GRA232 (DN25/DN32)
Certificate	Declaration of Conformity, GRAx00
Certificate	Building Product Declaration BPD3, GRA200
Certificate	Building Product Declaration BPD3, GRA261
Certificate	Building Product Declaration BPD3, GRA300
Certificate	Building Product Declaration BPD3, GRA361
Certificate	EAC certificate (RU)
Certificate	Certificate of conformity UA
Image	GRA211 & GRA231, high res
Image	GRA212 & GRA232, high res
Image	GRA261, high res
Image	GRA311, high res
Image	GRA361, high res
Image	GRA394, high res
2D Image	GRA211 & 231
2D Image	GRA212 & GRA232
2D Image	GRA261
2D Image	GRA311
2D Image	GRA361
2D Image	GRA394
3D drawing (stp file)	GRA211 & GRA231, DN25
3D drawing (stp file)	GRA211 & GRA231, DN32
3D drawing (stp file)	GRA212 & GRA232, DN25
3D drawing (stp file)	GRA212 & GRA232, DN32
3D drawing (stp file)	GRA261, DN25
3D drawing (stp file)	GRA261, DN32
3D drawing (stp file)	GRA311, DN20
3D drawing (stp file)	GRA361, DN20
3D drawing (stp file)	GRA394, DN20

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