Wilo-Para STG
The highly versatile OEM solution.
The highly versatile OEM solution.
The high-efficiency circulator Wilo-Para STG is a hybrid circulator dedicated to a large variety of applications like heating, air conditioning, solar thermal and geothermal applications.
This series embeds simultaneously the self-controlled mode functions (SC) easy to use and operate with the green push button and LED interface and the external control function via both bi-directional iPWM1 & 2 signals.
This one provides information about the operating status or the power consumption.
The Wilo-Para STG series is recommended when you need to switch easily from self-controlled to external controlled pump.
Recommended services
Your advantages
- High integration flexibility due to compatibility with former standard and high-efficiency series
- Easy installation thanks to a compact and standardised design with a front access to the signal connector and screws
- Easy handling and commissioning with the green push button and a LED interface
- High system protection due to integrated functionalities such as air venting, manual restart as well as reset to factory settings
- Protection of the motor housing and screws against corrosion
Design
Glandless circulation pump with a cast iron pump housing and corrosion-protected motor housing and screws. High-efficiency motor with automatic power adjustment and self-protecting modes. The one fits all solution which keeps your business running.
Application
Hot-water heating systems of all kinds, air conditioning applications
Typekey
Example: | Para STG 15-130/7-50/12 |
Para | Electronically controlled high-efficiency pump. Pump range adapted to requirements of the OEM market. |
STG | The pump can be either self-controlled (SC) with the green push button (Δp-c, constant speed I, II, III) or externally controlled through the signal iPWM |
15-130 | Nominal diameter - Pump housing length (inline cast iron) |
7-50 | Nominal delivery head range [m] - Power consumption [W] |
12 | Position of electronic module |
Technical data
Permissible fluid temperature range: -20°C to + 110°C
Mains connection: 1~230 V, 50/60 Hz
Protection class: IPX4D
Screwed connection: DN15 to DN30 (G1 to G2)
Max. operating pressure: 10 bar
Notes
Depending on your application, pump housing's flow direction and terminal box orientation can be positioned in different ways. Please ask your Wilo contact for more details.
Options
Variant Wilo-Para*/H available for heat pumps
The high-efficiency circulator series Wilo-Para */H is dedicated to respond to the new regulation EN 60335-2-40 on R32 refrigerant gas used in heat pump applications.
The design ensures the protection of the heating or air-conditioning systems against any risk of high flammable R32 gas leakage.
It includes a protection of the electronics against any fire ignition and a terminal box made of self-extinguishing material.
Easily recognizable with the pictogram R32 on the front.
Installation and operating instructions
Wilo-Para STG DE, EN, FR, IT
| Edition | 2018-XX |
| Number of pages | 100 |
| Language | de, en, fr, it |
PDF (8 MB)Catalogue
Catalogue 09/2018 - OEM High Efficiency Circulation Pumps - 50 Hz
| Number of pages | 172 |
| Language | en |
PDF (23 MB)Certification booklet
Para, AC, Yonos PARA, Yonos PICO OEM
| Edition | 2018-XX |
| Number of pages | 39 |
| Language | en |
PDF (26 MB)