Packaged reversible air-cooled heat pumps with axial fans. Range with hermetic rotary DC Inverter compressors and R32 refrigerant gas.

Construction features

• Compressor: hermetic, twin rotary DC Inverter with steam injection, complete with thermal protection and casing heater
• Expansion valve: electronic.
• Cooling circuit with economiser
• Water side heat exchanger: adequately insulated stainless steel plates, complete with antifreeze heater.
• Air side heat exchanger: finned coil with copper pipes and aluminium-manganese fins with Golden Fin anti-corrosion treatment in epoxy resin and hydrophilic treatment.
• Fan: axial type impeller with DC brushless motors, equipped with internal thermal protection, accident protection grilles and proportional electronic device for continuous fan rotation speed regulation.
• Structure: made of galvanised and painted steel plate RAL9002, complete with condensate drain pan and unit base antifreeze heater.
• Control: microprocessor electronic control with touch-screen control panel with remote control option, for integrated management of the heat pump and the heating system, according to the various requirements relating to the use of the energy sources.
– 3-way diverter valve management for production of domestic hot water.
– Rapid heating function for domestic hot water.
– Anti-legionella cycle function, with activation timer.
– Auxiliary or supplementary heat source management.
– Operation in silent mode with timer.
– Weekly and daily time bands.
– Holiday mode and antifreeze function.
– Power consumption limiting function.
– 2-way on/off valve management for shutting off a part of the system, in heating or cooling mode.
– Management through room thermostat, as an alternative to the touch-screen panel.
– Unit activation from external contact (remote ON/OFF)
• Unit complete with:
– Outdoor temperature probe for set-point compensation.
– Remote ambient air temperature probe, for managing the unit according to the ambient set-point (10 m).
– Water temperature probe for domestic hot water tank (20 m).
– Water temperature probe for auxiliary or supplementary heat source (5 m).
– Connection cable for touch-screen (8 m).
• RS485 interface for serial communication with other devices (Modbus RTU protocol).
• iOS and Android APP for managing the unit via smartphone and tablet.

Version

• T – High efficiency.

Models

• THAITI: heat pump unit.

PUMP set-up

• Pump unit complete with: EC circulator, automatic air vent valve, safety valve, flow switch, expansion tank, water filter.

Separately supplied accessories

KVDEV – 3-way valve for the production of domestic hot water, managed by regulation.
KRIT – Supplementary electrical resistance.
KSA – Rubber anti-vibration mounts.
KPRT – 20 m touch-screen connection cable as an alternative to the cable supplied as standard.