Siemens HVAC products RLU232 Heather Controller Free Express Shipping

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Siemens HVAC products RLU232 Heather Controller 

  • PI limiter function (absolute and relative limit)

  • Remote setpoint

  • Setpoint compensation

  • Winter/summer mode changeover (analogue or digital input)

  • Cascade control

  • Maximum priority for cooling / dehumidifying



Ambient temperature, operation

0…50 °C

Type of fixing

Wall mounting with screws,
DIN rail mounting, min. 120 mm long

Operating voltage

AC 24 V


50/60 Hz

Power consumption

2.5 VA

Positioning signal

DC 0…10 V

Control loops, number


Analog outputs, number


Analog outputs

DC 0...10V, ±1 mA

Analog output, signal

DC 0...10 V

Analog output, current

Max. 1 A

Digital inputs, number


Digital inputs

Potential-free input signal

Digital input, application

Night setback

Digital input, contact query

DC 15, DC 15 mA

Universal inputs, number


Universal input, signal

LG-Ni1000, DC 0...10, Pt1000 V

Degree of protection


Dimensions (W x H x D)

130 x 114 x 57 mm

About Us 

Here at Sembol LTD we sell new, refurbished, surplus and used hardware products. 

All products are subject to availability and passing our QA testing and inspection by our qualified technicians. 

We currently stock over 4,000 items with an MSRP greater than $1 million dollars.

Sembol LTD offers substantial cost savings while receiving quality products. 

Thank you again for visiting Sembol LTD. For any questions please contact us via the Ebay Message System/Contact Seller. 


  • Sembol LTD ships worldwide and accepts PayPal. 
  • All items are priced each. 
  • All products are subject to availability and passing our QA testing and inspection by our qualified technicians. 
  • For Customer Service please contact us via the Ebay Message System/Contact Seller. 


  • Pay with PayPal and you are fully protected.

Packaging and Handling 

  • Items are safely packaged in custom shipping cartons for protection. 

Turnaround Time 

  • Please contact us via the Ebay Message System/Contact Seller if you have any further questions about turnaround time.


  • We ship worldwide from Turkey, using PTT, USPS, UPS, FedEx, DHL or other couriers when needed. Let us know if you like to use a shipping service other than the ones listed.
  • International Customers are responsible for all Customs fees, import taxes, VAT, and other fees applied by their respective countries.

Return and Warranty Policy 

  • 30 days refund, buyer pays return postage.
  • Product must be returned in purchased condition.
  • If you are dissatisfied with a product from Sembol LTD you may return the product within 30 calendar days of the invoice date. No returns will be accepted 30 days after the invoice date. 
  • We do not accept returns of discounted products based on the date manufactured or the cosmetic condition of product or packaging.
  • All used products  are repackaged in custom shipping containers. Some used products may not come with manual(s) or other accessories normally supplied when buying factory new. 
  • Refunds will be issued only upon receipt and testing. 


Sembol LTD sells new, refurbished, surplus and used products also develops channels to purchase such products. 

Sembol LTD is not affiliated with nor an authorized distributor or representative of any manufacturer, brand or product listed. 

Designated trademarks, brand names and brands appearing herein are the property of their respective owners.