Hot Water Hydrobox (80°C)

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HIGH TEMPERATURE HOT WATER MODULE FOR HITACHI SET-FREE VRF

The Hydro Free high-temperature system is ideal for high-temperature hot water needs for renovation projects, as heat is recovered via the CH box on indoor units operating in cooling mod.

A single unit to meet 2 needs: heating and DHW

The High-Temperature Hydro Free system produces hot water up to 80°C from renewable energy (no anti-legionella cycle required)

 

 

 

For 2-Pipe AND 3-Pipe FSXNSE and FSXNPE Systems

Requires additional PC-ARFWE Controller

Model Reference
Nom.
Cool
(kW)

Nom.
Heat
(kW)

Max
Pipe
(m)
Airflow
Min/Max (m³/hr)
HX Volume
Min/Max (dm³)

Fuse
(Amps)
In/Out

Pipe
Size
Gas

Pipe
Size
Liquid

Electrical
Supply
Indoor UnitOutdoor UnitSCOPSEER
PAW-280PAH2U-200PZH2E519.5022.4010036.0 / 72.02.3 / 5.73 / 161 1/83/8Three
PAW-280PAH2U-250PZH2E525.0028.0010038.0 / 84.02.7 / 7.13 / 201 1/81/2Three

Features and Benefits

  • High-temperature heating: combined with the VRF Sigma or SET FREE Mini 2/3-pipe.
  • Constant DHW production: combined with the VRF Sigma or 3-pipe SET FREE Mini.
  • Timed DHW production: combined with the VRF Sigma or 3-pipe SET FREE Mini.
  • 1 box solution – 16kW
  • Smart Cascade Operation  – Single Module R410a operation only up to 45°C
  • Up to 80°C – the second R134a cycle occurs only if the inlet temperature is greater than or equal to 30°C or when the outlet temperature is greater than or equal to 45°C.
  • Ideal for commercial hot water applications in environments where cooling demand via VRF produces waste heat. Examples IT Suites and Gymnasiums.

 

 

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