Heat pumps
Air to water reversible heat pumps
Reversible heat pump, total heat recovery, air source for outdoor installation 5,80-22,8 kW
Series
AWR DHW2 XE 0021m - 0101ts

PRANA DHW is the new HIGH EFFICIENCY heat pump for all year round operation in any operating mode: single cycle (air conditioning,
heating, domestic hot water) as well as combined cycle in total heat recovery (domestic hot water together with cooling). Energy efficiency is
highest during the summer cycle, when, thanks to the full recovery of the heat, the production of hot water is free. During the combined use, the DHW exchanger uses the temperature of the discharge gases to gets inside the accumulation sanitary water as high as 65 °C.

The advanced electronic regulation developed by Climaveneta ensures the highest operational flexibility, fast working condition a significant
increase in the overall COP, which go hand in hand with electricity and space reduction.

Advantages, combined with the possibility of completely eliminating the traditional boiler, making heat pumps PRANA DHW the ideal solution for energy saving applications in residential, hotel and small sector.

Controls

NADISYSTEM
Electronic control Nadisystem provides great application flexibility. The remote keyboard kit wired indoor and outdoor temperature sensors allow dynamic control of delivery temperature water, optimizing comfort in the room and increasing the energy efficiency.

The electronic board allows you to manage:
-wired remote control, backlit display complete with remote temperature and humidity probe
-outdoor temperature sensor for water plant side modular set point compensation
-a zone of direct heating for radiator, floor heating or fan coil
-a zone with mix valve for floor heating
-electrical heating element for possible integration and anti-legionella cycle for cylinder
-boiler or electric heater in substitution or in addition
-the room controller can customise up to six time bands. The presence of the programmable timer allows the creation of an operating profile containing up to 6 time bands
-up to 4 heat pump in cascade (with N-CM component)
-several solutions through appropriate configurations of the controller and use of dedicated extension modules (accessorie), up to 5 zone/

The defrost adopts a proprietary self-adaptive logic, which features the monitoring of numerous operational parameters. This allows to reduce the number and duration of the defrost cycles, with a benefit for the overall energy efficiency.

Features

Characteristics

VERSION
-         Basic
SL     Super-low noise version

Structure and base in hot-dip galvanised steel with epoxy powder paint finish.

High efficiency and low pressure drop stainless steel AISI 316 plate exchangers (at the domestic hot water side). It is positioned next after the compressor and it ensures the domestic hot water production. The unit has full or partial recovery system, with the constant optimization of efficiency through logic advanced adjusting controller. 

High efficiency and low pressure drop stainless steel AISI 316 plate exchangers meet the supply of both hot and cold water for the facility, regardless of the domestic hot water.

Hermetic scroll type compressors, equipped with the crankcase heater and thermal protection.

Finned coils made with copper pipes and aluminium fins with large exchange surface area (100% fully quality tested).

Axial electric fans, external rotor, 6-pole electric motor fitted with thermal protection, housed in aerodynamic conveyor profile with safety grill.

Low external air temperature device:
continuous fan speed regulation with pressure switch
coil protection grille

Soft starter for 230V units /ms and 400V units /ts

The water circuit comes complete with:

  • Variable flow circulator plant side, the curves are selected by control. Class A energy efficiency
  • Variable flow circulator domestic hot water side. Class A energy efficiency.
  • Pressure switch system side
  • Expansion tank
  • Safety valve
  • Manual filling assembly
  • Pressure gauge
  • Air vent valve (plant side).

Accessory

  • Wired room terminal with backlit display, and with temperature and umidity probe
  • Extension module for system configuration
  • Electric heater of integration for the heating system
  • Electric heater for hot water cylinder, of integration and for anti-legionellosis
  • Serial card RS485 for ModBus
  • Cascade management kit
  • Buffer tank 35,100,200 liters
  • Hot water cylinder 300,500 liters
  • 300 liters thermal store for domestic hot water, for DOMH2O kit
  • 300,500,1000 liters thermal store for domestic hot water with solar heat exchanger, for DOMH2O kit
  • DOMH2O15 e DOMH2O24 kit for domestic hot water with external plate heat exchanger and pump