MasterTherm AquaMaster Inverter - Ground Source Heat Pump
Brine to water, water to water, inverter
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A quiet and efficient ground-to-water heat pump. The variable speed compressor (inverter) increases efficiency and savings in heating.
Key features: - All-in-one unit for easy installation - Output up to 48 kW - Requires minimum space - Fast installation kit included - Suitable for individual or shared ground collector installations - Additional intelligent optional equipment available - Passive cooling module - Integral brine and heating pumps - Optional upgrade for large shared ground loop installations - Maximum SHW temperature of 64 °C - Max heating water temperature of 64 °C
Models Available
- AquaMaster Inverter-17l
- AquaMaster Inverter-22l
- AquaMaster Inverter-26l
- AquaMaster Inverter-30l
- AquaMaster Inverter-37l
- AquaMaster Inverter-45l
- AquaMaster Inverter-60l
- AquaMaster Inverter-90l
Options
- Internet HP control Master
- Full Cooling reversing
- Passive Cooling module (for models: 22I-45I)
- Terminal pAD temperature compensation
- Terminal pADh floor cooling
- Desuperheater
- AQ Electric heater 4,5 kW / 6,0 kW / 7,5 kW
- Expanded control module for PLUS version
- Water to water version
- Internal unit (silver or red colour)
Heat pump connected directly to the heating system with 3wv for
domestic hot water (dhw) preparation.
1-heat pump, 2-heating system, 3-expansion vessel, 4-dhw tank with coil,
5-dhw outlet, 6-3way valve
The heat pump (1) is directly connected to heating system. Heating water temperature is controlled according to a weather compensation curve. Production of hot water is a priority over the heating system by switching the 3wv (6) to the dhw tank (4). The heat pump increases the outlet water temperature until the requested dhw temperature is achieved, once achieved the heat pump switches the 3wv back to heating operation. This type of system is ideally suited to underfloor heating systems (ufh) but also systems with radiators with a large volume of heating water utilising our pAD room terminal. This solution limits the possibility of local zone control (independent loop ufh, thermostatic valves on radiators).
Heat pump connected to a buffer tank and 3wv to the domestic hot water cylinder (dhw) with desuperheater.
1-heat pump, 2-heating system, 3-expansion vessel, 4-buffer tank, 5-heating circulation pump, 6-dhw tank with coil, 7- dhw outlet, 8-3way valve, 9-desuperheater circulation pump
Technical details
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| Model | Performance at B0W35 | Thermal loss of the object Qz | Seasonal energy efficiency of heating at a 35 °C low temperature operation | Seasonal energy efficiency of heating at a 55 °C medium temperature operation | Order number (according to heating circuit control) + pricing |
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| kW | kW | kW | Class | SCOP | Class | °C | STANDARD | PLUS |
| AquaMaster Inverter 17I | 1–5 | up to 5 | 4,58 | A+++ | 3,46 | A++ | 1AQ17I-0 | 1AQ17I-1 |
| AquaMaster Inverter 22I | 2–7 | up to 7 | 4,72 | A+++ | 3,58 | A++ | 1AQ22I-0 | 1AQ22I-1 |
| AquaMaster Inverter 26I | 3–9 | up to 9 | 4,94 | A+++ | 3,81 | A++ | 1AQ26I-0 | 1AQ26I-1 |
| AquaMaster Inverter 30I | 4–12 | up to 12 | 4,92 | A+++ | 3,82 | A++ | 1AQ30I-0 | 1AQ30I-1 |
| AquaMaster Inverter 37I | 5–15 | up to 15 | 5,10 | A+++ | 3,97 | A+++ | 1AQ37I-0 | 1AQ37I-1 |
| AquaMaster Inverter 45I | 7–22 | up to 22 | 5,10 | A+++ | 3,96 | A+++ | 1AQ45I-0 | 1AQ45I-1 |
| AquaMaster Inverter 60I | 7–35 | up to 24 | 5,06 | A+++ | 3,99 | A+++ | 1AQ60I-0 | 1AQ60I-1 |
| AquaMaster Inverter 90I | 10–48 | up to 48 | 4,90 | A+++ | 3,96 | A+++ | 1AQ90I-0 | 1AQ90I-1 |