Pump groups

Dn 25

● Compact dimensions● Universal EPP insulation “left” / “right”● Accurate temperature readings – thermometers in immersion sleeves● Two EPP insulation options – for heating and cooling

Пряма насосна група Direct pump groups

OTH - direct pump groups

Illustration

Kv -7.7

OTH pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 3 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- Supply line pipe Dn25- EPP insulation- WILO Yonos Para pump (depending on model configuration)
OTH-C model – with additional insulation to prevent condensation in cooling mode

Heading photo

OTF - mixing pump groups with thermostatic valve20°С -45°С

Illustration

Kv -3.5
● Temperature control accuracy: +/- 1 °C● Reaches set temperature in up to 4 seconds (!)● Max. heat carrier flow rate – 82 l/min (4.9 m³/h)

OTF pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way thermostatic valve with temperature control from 20°C to 45°C- EPP insulation- WILO Yonos Para pump (depending on model configuration)

Heading photo

OTR - mixing pump groups with thermostatic valve35°С -60°С  

Illustration

Kv -3.5
● Temperature control accuracy: +/- 1 °C● Reaches set temperature in up to 4 seconds (!)● Max. heat carrier flow rate – 82 l/min (4.9 m³/h)

OTR pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way thermostatic valve with temperature control from 35°С to 60°С - EPP insulation- WILO Yonos Para pump (depending on model configuration)

Heading photo

OTM-25-05 - mixing pump groups with 3-way mixing valve and 3-point actuatorOST-05

Illustration

Kv -5.9
3-way valve actuator with 3-point control 230V

OTM-25-05 pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way mixing valve with union nut for pump- OST-05 actuator- EPP insulation- WILO Yonos Para pump (depending on model configuration)
OTH-C model – with additional insulation to prevent condensation in cooling mode

Heading photo

OTM-25-05-Y - mixing pump groups with 3-way mixing valve and 0-10V / 4-20mA actuatorOST-05-Y

Illustration

Kv -5.9
3-way valve actuator with 0-10V / 4-20mA control

OTМ-25-05-Y pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way mixing valve with union nut for pump- OST-05-Y actuator- EPP insulation- WILO Yonos Para pump (depending on model configuration)
OTH-C model – with additional insulation to prevent condensation in cooling mode

Heading photo

OTM-25-07 - mixing pump groups with 3-way mixing valve and temperature controller actuatorOST-07

Illustration

Kv -5.9
3-way valve controller actuator:
● 2 operating modes – heating and cooling● 90° rotation time – 120s● Color TFT display● Easy configuration● Quick access to all menu functions● Adjustment range 0 - 90°C● 2 hydraulic schemes – for flow line or return line operation

OTМ-25-07 pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way mixing valve with union nut for pump- OST-07 controller actuator with temperature sensor- EPP insulation- WILO Yonos Para pump (depending on model configuration)
OTH-C model – with additional insulation to prevent condensation in cooling mode

Heading photo

OTM-25-20 - mixing pump groups with 3-way mixing valve and weather-compensated controller actuatorOST-20

Illustration

Kv -5.9
3-way valve controller actuator with weather-compensated temperature control:
● Weather-compensated control● Operating modes: "Heating" - "Cooling" with separate        temperature curves for each mode● Room thermostat connection available● Networking capability – for large systems● 2 operating modes – by room temperature or weather-compensated curve● Separate settings for underfloor heating with "Floor drying" mode and temperature limit ● User menu and service menu with password protection● Heating pump control function● Schedule temperature changes by time of day and day of the week● 14 menu language options, including Ukrainian● Error messages and temperature statistics graphs● Adjustable response speed for different building types● BUS interface● Includes 2 temperature sensors + outdoor temperature sensor

OTМ-25-20 pump group – scope of supply:
- Ball shut-off valve with union nut 1 1/2” – 2 pcs- Thermometers D=63mm in immersion sleeves – 2 pcs- Return line pipe Dn25 with built-in check valve- 3-way mixing valve with union nut for pump- OST-20 controller actuator with 3 temperature sensors- EPP insulation- WILO Yonos Para pump (depending on model configuration)
OTH-C model – with additional insulation to prevent condensation in cooling mode