TOWER heat pumps are integrated systems designed to meet the needs for cooling and heating in residential contexts. This product series was created specifically for installation in narrow spaces. Inside the cabinet the system integrates all of the hydronic and electronic controls, regulation and distribution elements required to provide cooling and heating at low, medium or high temperatures.

The Heat Pump comes with two separate hydronic circuits as standard. On demand, one of the circuits can be outfitted with an electronic mixing valve for accurate temperature output.

TOWER also meets domestic hot water demands in a consistent and legionella-free manner, thanks to a built-in heat exchanger installed on the machine's integrated storage tank.

The TOWER series is available in power outputs ranging from 5kW to 15kW

High-efficiency Full inverter technology & intelligent management

TOWER heat pumps are outfitted with an advanced control system capable of interfacing with a wide range of compatible heating and cooling equipment. All TOWER heat pumps are equipped with full inverter technology. Circulation pumps, valves and compressors are controlled by electronic drivers that constantly adjust their functioning to reduce power consumption and boost efficiency.

A BUS connection allows the system to communicate with other devices. The platform developed by GSI makes it possible to monitor and operate the whole system as well as configure the machine and heating system completely and easily. The heat pump continuously modifies its operating conditions to match the specified set temperature with the least amount of energy usage thanks to an optimized working strategy.

In order to improve efficiency and guarantee the highest level of comfort, the control unit also gathers internal and external parameters. Communication and control by means of third-party management platforms through Modbus is also feasible.

The control manager can pinpoint three different set points according to the user’s needs. The maximum heating output temperature is 55°C and the minimum cooling output temperature is 7°C. An auxiliary heater up to 6kW can be supplied on demand to add power to the heating circuit.

Integration with renewables

A sophisticated SW-HW renewable energy tracking system – AIER – is also available on demand. This technology monitors the power coming from PV systems and adapts the operation of the machine to increase the self-consumption of renewable energy.

The machine control system is ready to actively engage with an aggregated coordination of energy assets. It is also ready to work in combination with SETA, the innovative fully-integrated PV-inverter & ESS energy manager by GSI.

Production of Domestic Hot Water

The production of domestic hot water is constantly guaranteed by a multienergy storage of 250 liters equipped with a right-dimensioned stainless-steel heat exchanger. A second auxiliary coil for connection to supplementary sources such as solar-thermal systems is included. A full kit of solar-thermal circulation pump, an extra sensor, and the logics to manage the system - from the heat pump itself as well as remotely - can be supplied as an option to complete the management of the solar-thermal source.

Full-heat recovery system

TOWER heat pumps can be, if requested, equipped with GSI "MAGIS" technology. This advanced system aims at recovering the entire waste heat generated by the compressor during standard heating and cooling operations. A dedicated circuit collects its high temperature and diverts it towards a specific heat exchanger. The energy is then transmitted to the boiler, to rise further the temperature of stored domestic hot water.

The maximum temperature possible to reach inside the storage tank through the recovery operation is 60/65°C

Future-proof WEB VISOR management and smart interface

The end user is able to monitor and control TOWER from anywhere using a computer or smartphone by means of GSI web server technology in combination with its proprietary app and portal. Access to information and commands made simple and fast thanks to a powerful graphical interface. The control system is ready to interface with third-party control platforms such as Building Manager Systems, Energy Communities, Utility-scale systems and others. It is able to share working and status information, alarms, consumption data and performance reports.

Extremely low noise working

Our engineers paid close attention to this topic during the design process of this range of equipment. The employment of a thick noise-reduction coat put all around the cabinet allows the unit's sound pressure to be significantly cut to 39dB(A). As a result, TOWER machines combine remarkable performance outcomes (high levels of COP and EER) with limited noise.

Air source models

AURA TOWER ASHP is specifically designed for hydronic heating and cooling systems. It is available in a power range from 6 to 15kW in single-phase or three-phase, depending on power and size.

The remote evaporator-condensing unit is available in two different bodies: upright or cube shaped.

Ground source models

AQUA TOWER GSHP is specifically designed for hydronic heating and cooling systems. It is available in a power range from 5 to 14kW in single-phase or three-phase, depending on power and size.

It is suited to be connected to and operate with any geoexchange system, open or closed loop type, both vertical or horizontal.

With a focus on reducing environmental impact, GSI developed an entire range of very high-efÏciency heat pumps equipped with R290 gas. The result is a silent and environmentally friendly line; in fact, R290 gas is of natural origin with excellent thermodynamic qualities, ideal for heat pumps, with very low GWP value (Acronym for Global Warming potential, i.e., the unit of measurement used to determine the polluting power of a gas, on an annual basis, dispersed into the atmosphere).

MEVO is the supersilent heat pump designed for outdoor installations and sized to ensure efÏcient operation even at very low outdoor temperatures. MEVO offers very high efÏciency and overall energy performance, which is further increased in the PRO version by means
of the economizer technology present on the cooling circuit. The MAGIS version, in addition to the PRO version, is equipped with a 100% heat recovery system on
the compressor’s side made possible through a third heat exchanger sized to the total capacity of the unit. Simple to install, the MEVO monoblock encloses the external evaporator and the hydronic and refrigeration circuits in a single system.

• Thermal power: from 8 to 20 kW with single-phase and three-phase power supply;
• Twin Rotary Inverter compressor with R290 refrigerant gas;
• Plant-side operating limits: Summer cooling until 6°C; Winter heating until 65°C;
• Real-time data communication via internet through the GSI Cloud Gateway.
• Desuperheater operation for DHW production: up to 65°C;
• Available versions: 1) Standard, 2) Pro: with optimized refrigeration circuit 3) MAGIS: Pro version with integrated desuperheater/heat recuperator.
• On demand: AIER, Renewable Energy Self Tracker, enables increased self-consumption by withdrawing surplus energy from Photovoltaic systems