Key Features

Benefits

• Supports both radiators and underfloor heating.
• Compact uniTOWER format reduces the separate plant room storage requirement.
• R290 refrigerant and A+++ / A++ ratings support lower operating energy demand.
• Hermetically sealed refrigerant circuit removes the need for refrigerant certification during installation.
• Suitable where higher flow temperatures are required for domestic heating circuits.

Technical Summary

Vaillant aroTHERM plus 7kW air-to-water heat pump system with uniTOWER. Article number 0010037203, model VWL 75 / 6. Rated at 230 V, 1~/N/PE, maximum current 15.0 A, with 16 A fuse requirement. Outdoor unit dimensions 1,100 x 965 x 450 mm and operating weight 128 kg. Heating water temperature 20 - 75 °C. Refrigerant circuit uses R290, 0.9 kg charge, GWP 3. Sound power listed at up to 60 dB(A) depending on operating condition. uniTOWER model VIH QW 190 / 6 provides 188 l storage capacity.

Installation Notes

Outdoor unit operating range is stated as -25 °C to 46 °C in heating mode and -20 °C to 46 °C for domestic hot water generation. The uniTOWER is an indoor unit with compact dimensions of 1880 x 599 x 693 mm. The refrigerant circuit is hermetically sealed.

Efficiency

Uses natural refrigerant R290 with GWP 3. Efficiency class is A+++ at 35°C and A++ at 55°C. Combination with uniTOWER is rated A++ for the system and A for hot water supply. The product can be combined with photovoltaic systems and SG-ready smart power grids, as stated in the source.