Circulation unit, Direct supply
GDA100
- High efficiency circulation pump
- High class insulation shell of hydronic parts
- Pre-tested and ready to use
- One size fits all – auto adapt function on board
The ESBE series GDA100 is a direct supply circulation unit 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. You can be sure that ESBE delivers the best circulation unit for both your economy as well as for the environment. It is simply the most efficient direct supply unit available. When designing the circulation unit product line the focus at ESBE has been to simplify installation. This goes through the whole product from pre assembly, mounting brackets and insulation to packaging design.
Product range
GDA111
| Art.no. | Reference | DN | Pump | Connection I | Connection J | Weight [kg] |
| 61000100 | GDA111 | 25 | Wilo 25/6 | G 1" | G 1½" | 4,8 |
| 61000200 | GDA111 | 32 | Wilo 25/7,5 | G 1¼" | G 1½" | 5,4 |
GDA112
| Art.no. | Reference | DN | Pump | Connection I | Connection J | Weight [kg] |
| 61000300 | GDA112 | 25 | Grundfos 25-50 | G 1" | G 1½" | 4,9 |
| 61000400 | GDA112 | 32 | Grundfos 25-70 | G 1¼" | G 1½" | 5,5 |
Installation support
Guidance for installers, Circulation Units
Operation
Installation examples
Technical data
Technical data
| Pressure class: | PN 6 |
| Working pressure: | 0,6 MPa |
| Insulation: | EPP λ 0,036 W/mK |
| EEI (Energy Efficiency Index), circulation pump: | <0,21 |
| Media, Heating water: | in accordance with VDI2035 |
| Media, Water/Glycol mixtures: | max. 50 % (above 20% admixture, the pump data must be checked) |
| Media, Water/Ethanol mixtures: | max. 28 % |
| Media temperature, max.: | +110 °C |
| Media temperature, min.: | 0 °C |
| Ambient temperature, max.: | +50 °C |
| Ambient temperature, min.: | 0 °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
| Grundfos UPM3 25-50 | |
| Power supply | 230 ± 10% V AC, 50/60 Hz |
| Power consumption | 2 — 34 W |
| Enclosure rating | IP X4D |
| Insulation class | F |
| EEI (Energy Efficiency Index), circulation pump | <0,20 |
| Grundfos UPM3 25-70 | |
| Power supply | 230 ± 10% V AC, 50/60 Hz |
| Power consumption | 2 — 53 W |
| Enclosure rating | IP X4D |
| Insulation class | F |
| EEI (Energy Efficiency Index), circulation pump | <0,20 |
| Wilo Yonos Para 25/6-130 RKA | |
| Power supply | 230 ± 10% V AC, 50/60 Hz |
| Power consumption | 3 — 45 W |
| Enclosure rating | IP X4D |
| Insulation class | F |
| EEI (Energy Efficiency Index), circulation pump | <0,20 |
| Wilo Yonos Para 25/7,5 RKA | |
| Power supply | 230 ± 10% V AC, 50/60 Hz |
| Power consumption | 3 — 76 W |
| Enclosure rating | IP X4D |
| Insulation class | F |
| EEI (Energy Efficiency Index), circulation pump | <0,21 |
EMC 2014/30/EU
RoHS3 2015/863/EU
PED 2014/68/EU, article 4.3
ErP 2015
Dimensioning
Wiring
Accessories and Spare Parts
Options
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
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66001100 | GMA411 | ESBE GMA411 Hydraulic separation for 1 circulation unit. |  |
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66001200 | GMA421 | ESBE GMA421 Manifold for 2 circulation units, without integrated hydraulic separator function. | |
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66001300 | GMA431 | ESBE GMA431 Manifold for 3 circulation units, without integrated hydraulic separator function. | |
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66001400 | GMA441 | ESBE GMA441 Manifold for 4 circulation units, without integrated hydraulic separator function. | |
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66001500 | GMA451 | ESBE GMA451 Manifold for 5 circulation units, without integrated hydraulic separator function. | |
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66001600 | GMA521 | ESBE GMA521 Manifold for 2 circulation units, with integrated hydraulic separator function. | |
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66001700 | GMA531 | ESBE GMA531 Manifold for 3 circulation units, with integrated hydraulic separator function. | |
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Spare parts
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
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67000600 | GSP903 | ESBE GSP903 Thermometer upgrade set, 2 pcs/package | |
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67003400 | GSP911 | ESBE GSP911 Ball valves incl thermometer DN 25, 2 pcs/package | DN25 | |
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67004000 | GSP911 | ESBE GSP911 Ball valves incl thermometer DN 32, 2 pcs/package | DN32 | |
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67004400 | GSP910 | ESBE GSP910 Insulation, Circulation unit DN 25/32 | |
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67000100 | GSP901 | ESBE GSP901 Pump RKA 25/6 Wilo | DN25 | |
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67000300 | GSP901 | ESBE GSP901 Pump RKA 25/7.5 Wilo | DN32 | |
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67000400 | GSP901 | ESBE GSP901 Pump UPM3 25-50 Grundfos | DN25 | |
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67000500 | GSP901 | ESBE GSP901 Pump UPM3 25-70 Grundfos | DN32 | |
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Download area
Download area
| Type | Preview | Download |
| Data sheet | GDA100 |
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| Installation instruction | GDA100 (de, en, fr, it, pl, sv) |
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| Installation instruction | GDA100 (cs, ee, fi, ru) |
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| Installation instruction | GDA100, Wilo Pump |
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| Installation instruction | GDA100, Grundfos Pump |
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| Certificate | Declaration of Conformity, GDA100 |
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| Certificate | Declaration of Conformity UK CA, GDA100 |
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| Certificate | Building Product Declaration BPD3, GDA100 |
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| Certificate | EAC certificate (RU) |
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| Certificate | UKRSEPRO certificate (UA) |
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| Image | GDA111, high res |
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| Image | GDA112, high res |
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| 2D Image | GDA111 |
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| 2D Image | GDA112 |
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| 3D drawing (stp file) | GDA111, DN25 |
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| 3D drawing (stp file) | GDA111, DN32 |
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| 3D drawing (stp file) | GDA112, DN25 |
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| 3D drawing (stp file) | GDA112, DN32 |
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Related materials
Related products
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GMA100 | Series GMA100 is manifolds for 2 or 3 circulation units including insulation according to EnEV2014 and wall brackets. | ||
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GMA200 | Series GMA200 is manifolds for 2 or 3 circulation units including integrated hydronic junction, insulation according to EnEV2014 and wall brackets. | ||
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GMA400, GMA500 | Series GMA400 and GMA500 are manifolds for circulation units including insulation shell according to EnEV2014 and wall brackets | Data sheet | Installation instruction |
Applications
Circulation unit to optimize energy transportation in domestic hot water application.
Applications
Applications
Circulation unit to optimize energy transportation in domestic hot water application.
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