NORDIS ULTIMA MONO Split 6.7kW R290 heat pump with 250L hot water tank HLT6MONO-S / HLT-9-250-3S

9467.04 EUR  7560.00 EUR

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NORDIS ULTIMA MONO SPLIT air-to-water heat pump with 250 L domestic hot water tank, HLT6MONO-S / HLT-9-250-3S, 6.7 kW, R290

DESCRIPTION

The NORDIS ULTIMA MONO SPLIT HLT6MONO-S / HLT-9-250-3S is a complete solution for space heating, cooling and domestic hot water production. The system combines a 6.7 kW outdoor unit with a floor-standing indoor unit incorporating a 250-litre domestic hot water tank.

The integrated All-in-One design removes the need for a separate hot water cylinder, saves installation space and provides a clean, compact solution for the technical room.

One of the most important advantages is the use of natural R290 refrigerant. Its global warming potential is only GWP 3, and it has no ozone depletion impact. R290 also enables high heating efficiency and a leaving-water temperature of up to 75 °C, making the system suitable for new low-temperature homes as well as renovated buildings with radiators.

The unit delivers up to 6.76 kW of heating capacity at A7/W35 and up to 5.43 kW of cooling capacity at A35/W18. Full inverter technology continuously adjusts compressor output to the building’s actual demand, maintaining a stable indoor temperature while reducing unnecessary electricity use.

The system achieves an A+++ energy class and a SCOP of 4.81 with 35 °C heating water. At 55 °C, the energy class is A++ and the SCOP is 3.59. It operates in heating mode at outdoor temperatures down to -25 °C.

The integrated 250 L domestic hot water tank is manufactured from Duplex 2205 stainless steel. A timer allows hot water production to follow the household’s daily schedule, while priority DHW control ensures the tank is heated when required. The automatic anti-legionella disinfection programme supports hygiene and safety.

A two-stage 9 kW backup electric heater with 3+6 kW control provides additional capacity during very cold weather and supports domestic hot water preparation.

Factory-integrated hydraulic components include a Grundfos circulation pump with a 9 m head, Vortex water flow meter, LK Systems three-way diverting valve, two 5 L expansion vessels and digital thermostats. This reduces the number of separate external components required during installation.

The 7-inch colour touchscreen provides clear and intuitive control of space heating, cooling and domestic hot water. Real-time COP and energy-consumption monitoring helps users follow system performance.

Built-in Wi-Fi enables remote control through a mobile application. Weather-compensated heating and cooling curves automatically adjust the water temperature according to outdoor conditions.

Dual-zone control can provide different water temperatures for two heating circuits, such as underfloor heating and radiators. Smart Grid Ready functionality allows the system to respond to intelligent grid signals or energy-management strategies.

MAIN BENEFITS

• Heating, cooling and domestic hot water in one system
• Natural R290 refrigerant with GWP 3
• Heating capacity up to 6.76 kW at A7/W35
• Cooling capacity up to 5.43 kW at A35/W18
• A+++ energy class at 35 °C
• A++ energy class at 55 °C
• SCOP 4.81 at 35 °C
• SCOP 3.59 at 55 °C
• Leaving-water temperature up to 75 °C
• Heating operation down to -25 °C
• Full inverter technology
• Smart defrosting algorithm
• Integrated 250 L DHW tank
• Duplex 2205 stainless-steel tank
• 9 kW two-stage backup heater, 3+6 kW
• Grundfos circulation pump
• Vortex water flow meter
• LK Systems three-way valve
• Automatic anti-legionella programme
• DHW timer and priority control
• Dual-zone temperature control
• Weather-compensated heating and cooling curves
• 7-inch colour touchscreen
• Built-in Wi-Fi
• Real-time COP and energy monitoring
• Smart Grid Ready
• Suitable for underfloor heating and radiators
• Suitable for new and renovated buildings

TECHNICAL DATA

System model: HLT6MONO-S / HLT-9-250-3S
Type: air-to-water heat pump
Functions: heating, cooling and DHW production
Outdoor unit: HLT6MONO-S
Indoor unit with tank: HLT-9-250-3S
Refrigerant: R290
Refrigerant charge: 0.6 kg
GWP: 3
Compressor: rotary inverter
Outdoor power supply: 220–240 V / 1 phase / 50 Hz
Indoor power supply: 380–415 V / 3 phase / 50 Hz

Energy class at 35/55 °C: A+++/A++
SCOP at 35/55 °C: 4.81/3.59
Rated heat output at 35/55 °C: 4.91/4.55 kW
Seasonal heating efficiency at 35/55 °C: 189.3/140.6%
Annual energy consumption at 35/55 °C: 2111/2616 kWh
Declared DHW load profile: L
Water-heating efficiency: 123.7%
Annual DHW electricity consumption: 828 kWh

Heating capacity at A7/W35: 2.56–6.76 kW
Heating power input at A7/W35: 0.58–1.52 kW
COP at A7/W35: 4.44–4.83
Heating capacity at A7/W45: 2.42–6.57 kW
Heating power input at A7/W45: 0.67–1.82 kW
COP at A7/W45: 3.62–3.86

Cooling capacity at A35/W18: 2.02–5.43 kW
Cooling power input at A35/W18: 0.51–1.31 kW
EER at A35/W18: 4.00–4.23
Cooling capacity at A35/W7: 1.27–3.71 kW
Cooling power input at A35/W7: 0.52–1.30 kW
EER at A35/W7: 2.46–2.95

Outdoor operating range: -25 to +43 °C
Heating water range: 25–70 °C
Maximum leaving-water temperature stated on product page: up to 75 °C
Cooling water range: 7–20 °C

DHW tank capacity: 250 L
Tank material: Duplex 2205 stainless steel
Backup heater: 9 kW, 3+6 kW
Three-way valve: LK Systems
Flow meter: Vortex
Circulation pump: Grundfos, 9 m head
Expansion vessels: 2 × 5 L
Water connection: G1"
Water flow, min./rated/max.: 0.20/0.29/0.37 L/s
Indoor dimensions: 600 × 710 × 1720 mm
Indoor net weight: 115 kg
Indoor circuit breaker: 16 A
Indoor power cable: 5 × 2.5 mm²

Outdoor dimensions: 1255 × 440 × 885 mm
Outdoor net weight: 98 kg
Outdoor airflow: 3150 m³/h
Indoor/outdoor sound pressure: 19/40 dB(A)
Indoor/outdoor sound power: 33/54 dB(A)