Circulation unit, Direct supply
GDA200, GDA300
- 3 different high efficiency circulation pumps
- High class insulation shell
- Pretested and ready to use
- Compact design
- Available in 3 sizes: DN20, DN25, DN32
The ESBE series GDA200 and GDA300 are direct supply circulation units designed for applications, where an energy transport in the most efficient way is required. Equipped with two shut-off valves with thermometers, check valve, high class insulation shell and high efficiency circulation pump.
The direct groups series GDA200 are available in DN25 and DN32 with either a Wilo or Grundfos pump. Series GDA300, with very compact dimensions, is available in DN20 and comes with a Wilo pump with PWM control signal.
GDA211



Art.no. | Reference | DN | Pump | Connection I | Connection J | A [mm] | Weight [kg] | Note |
61001100 | GDA211 | 25 | Wilo PARA 25/6 | G 1" | G 1½" | 146 | 5,0 | Replaces 61000100 |
61001200 | GDA211 | 32 | Wilo PARA 25/8 | G 1¼" | G 1½" | 157 | 5,3 | Replaces 61000200 |
GDA212



Art.no. | Reference | DN | Pump | Connection I | Connection J | A [mm] | Weight [kg] | Note |
61001300 | GDA212 | 25 | Grundfos UPM3 AUTO 25-50 | G 1" | G 1½" | 141 | 5,1 | Replaces 61000300 |
61001400 | GDA212 | 32 | Grundfos UPM3 AUTO 25-70 | G 1¼" | G 1½" | 141 | 5,2 | Replaces 61000400 |
GDA311



Art.no. | Reference | DN | Pump | Connection I | Connection J | Weight [kg] | Note |
61003200 | GDA311 | 20 | Wilo PARA STG 15/8 | G ¾" | G 1" | 3,9 | Replaces 61003100 |
61003202 | GDA311 | 20 | Wilo PARA STG 15/8 | G 1" | G 1" | 3,9 | Campaign 2023 |
Install ESBE Circulation unit
Operation

Installation examples


Documents
Technical data
Pressure class: | PN 10 |
Working pressure: | 1,0 MPa |
Insulation: | EPP λ 0,036 W/mK |
Media, Heating water: | in accordance with VDI2035 |
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 GDA211: | min. +5°C, max. +100°C |
Media temperature - Series GDA212: | min. +5°C, max. +110°C |
Media temperature - Series GDA300: | min. +5°C, max. +100°C |
Ambient temperature - Series GDA211: | min. 0°C, max. +58°C |
Ambient temperature - Series GDA212: | min. 0°C, max. +70°C |
Ambient temperature - Series GDA300: | min. 0°C, max. +58°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 |
Integrated pump
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 |
Conformity
SI 2016 No. 1105

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

SI 2016 No. 1091
SI 2012 No. 3032
SI 2010 No. 2617



Dimensioning
Wiring
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Applications
Direct circulation unit intended to transport energy in the most efficient way.
Products
GDA200, GDA300Circulation unit to optimize energy transportation in domestic hot water application.
Return temperature unit designed for solid fuel applications, where a return temperature control is required.
Heat pump application with Circulation units designed for heating circuits where control by weather or indoor / outdoor temperature and pump control is required.
Return temperature unit designed for solid fuel applications, where a return temperature control is required.
Products
GST200Quick links
New generation ESBE circulation units |