Nexus Cooltherm

The Nexus Cooltherm is a wall mounted interface unit that provides cooling only. It is suitable for all types of property including studio flats or larger and high-end apartments.

Specification:

  • Cooling output up to 20kW (model dependent)
  • Primary operating temperatures 6/12°C
  • Wall mounted design
  • Top and bottom connections
  • Hydraulic separation between primary and apartment cooling circuit
  • Secondary cooling only
  • Insulated copper brazed AISI 316 stainless steel plate heat exchanger from SWEP
  • Insulated cooling pipework
  • Unique ModFlow modulating primary control valve (PICV functionality)
  • Microprocessor controls
  • Insulated painted steel case (RAL 9010) with lockable door
  • High efficiency ErP compliant modulating secondary cooling high torque pump from Wilo
  • 4bar rated pressure relief valve on secondary cooling circuit
  • Pressure gauge on secondary cooling circuit
  • 10 litre expansion vessel on secondary cooling circuit
  • Primary circuit strainer
  • Interface with external programmer for time/temp control control (volt free contact)
  • Condensate drip tray and drain
  • Prepaid billing integration
Cooling Performance Data up to 5kW
Primary flow and return temps °CCooling output kWPrimary flow rate l/minCooling flow rate l/minResidual pump head Δp-c kPaResidual pump head Δp-v kPaPrimary pressure drop kPaCooling flow and return temps °C
6/122.566553748/14
6/1251212504016
Cooling Performance Data up to 10kW
Primary flow and return temps °CCooling output kWPrimary flow rate l/minCooling flow rate l/minResidual pump head Δp-c kPaResidual pump head Δp-v kPaPrimary pressure drop kPaCooling flow and return temps °C
6/127.518186055218/14
6/12102424525037
Cooling Performance Data up to 20kW       
Primary flow and return temps °CCooling output kWPrimary flow rate l/minCooling flow rate l/minResidual pump head Δp-c kPaResidual pump head Δp-v kPaPrimary pressure drop kPaCooling flow and return temps °C
6/121536366161188/14
6/12204848555523