All in One Heat Pump (Air Source) - R290 Indoor

Heat Pump Water Heater

Our heat pump is engineered for exceptional efficiency, durability, and performance across all conditions. With an advanced micro-channel heat exchanger, optimized system components, and a highly insulated thermal tank, it delivers faster heating while reducing energy consumption. Intelligent defrost technology ensures reliable operation even in low temperatures, helping maintain consistent hot-water supply with minimal power use and long-term reliability.

A. High Efficiency Micro Channel Heat Exchanger

  • Boosts heat transfer efficiency by up to 30%

  • Compact, lightweight design for easier installation

  • Durable construction with 1500-hour salt spray corrosion resistance

  • Responds quickly to temperature changes for stable hot-water supply

B. High Efficiency System Composition

  • EXV controls refrigerant precisely for better performance

  • Dedicated DHW compressor designed for R290 heat pump systems

  • Optimized air channel provides strong airflow with low noise

  • Bigger evaporator improves heating speed, efficiency, and reliability

C. Thermal Efficient Tank

  • Thick polyurethane foam delivers excellent insulation

  • Minimizes heat loss, saving energy and reducing costs

  • EF-gas-free foam — environmentally friendly and safe during production

D. Intelligent Defrost

  • Hot gas bypass system defrosts faster without draining the tank

  • Higher efficiency with reduced energy consumption

  • Intelligent logic completes defrost cycles quickly (around 240 seconds)

  • Maintains stable hot-water temperature and system performance

A. 5 Temp. Sensors for Precise Temperature Control

  • Tank middle temperature sensor – Ensures water heats evenly and reliably during simultaneous usage.

  • Tank top temperature sensor – Monitors ready-to-use hot water and guarantees immediate comfort.

  • Coil temperature sensor – Prevents overheating, improves efficiency, and extends system life.

  • Suction pipe temperature sensor – Adjusts refrigerant flow automatically for precise performance.

  • Ambient temperature sensor – Optimizes operation across different climates and seasons.


B. Designed for Multiple Installation Scenarios

  • Scenario 1: Double duct installation – Uses outdoor air to warm water efficiently.

  • Scenario 2: Single duct (fresh air) – Brings fresh air into indoor areas, supports independent ventilation.

  • Scenario 3: Single duct (recycle air) – Reuses indoor waste heat for improved heating efficiency.

  • Scenario 4: Ductless installation – Provides cooling to unheated spaces like basements, garages, or cellars.


C. Smart Home Features – Plug & Play (Smart Life App)

  • One-button Bluetooth connection

  • Easy control panel for setting and monitoring tank temperature

  • Weekly scheduling to save energy

  • Geo-location automation – turns system on/off when you leave or arrive

  • Local temperature automation – adjusts automatically based on environment

  • Supports 60+ languages for global usability


D. Other Features

  • Anti-Legionella function – Protects against harmful bacteria in stored water.

  • Enamel-coated tank – Enhances durability and corrosion resistance.

  • High-efficiency control system – Smart display and controls for easier operation and monitoring.

Download the catalog to view specifications for other models.

TECHNICAL DATA MA29-E-100LT MA29-E-160LT MA29-E-200LT MA29-E-300LT
Nominal Heating Capacity (kW) 1.1 1.6
Heating Capacity (20/15°C)** (kW) 0.93 1.06 1.46 1.38
COP (20/15°C)*** 3.13 3.44 3.68
Water heating energy efficiency (smart-on) %**** 131.80% 141.20% 146.80% 151.10%
Rated Input Power – Heat Pump (W) 297 312 414 375
Energy Class(20/15°C)***** A+ A+ A+ A+
Standby power input(25/15°C)***** (W) 4 4 4 4
Sound power level ****** dB(A) 55 55 56 56
Power supply (V/Ph/Hz) 220-240 / 1 / 50
Rated Power – electrical heater (W) 1600 1600
Rated Power – heat pump (W) 500 500 700 700
Rated Current (A) 2.18-6.8 (e-heater) 3.05-6.8 (e-heater)
Max. water temperature (without backup heater) (°C) 65 75
Min. water temperature (°C) 15
Temperature setting range (°C) 15-75
Rated hot water yield (L/H) 236.5 344.4
Working temperature range (°C) -7 ~ 43 -7 ~ 43 -7 ~ 43 -7 ~ 43
Max. discharge pressure (bar) 30 30 30 30
Max. suction pressure (bar) 10 10 10 10
Compressor GMCC/Rotary GMCC/Rotary
Refrigerant type R290 R290
Refrigerant charge (g) 150 150
Fan motor (Type/RPM) DC motor/15/880 DC motor/26/1050
Air flow (m³/h) 240 250 160 350
Duct diameter (mm)
Max allowed pressure of tank (bar) 8 8 8 8
Inside body material of tank Enamel Enamel
Insulation material Polyurethane Polyurethane
Thickness of tank insulation (mm) 50 50 45 50
Outside tank material Galvanized Steel
Outside tank thickness (mm) 0.5 0.5
Coating thickness of tank cover (mm) 0.05 0.05
Water tank colour White / Silver
Water inlet (inch) G 1/2 G 1/2 G 3/4 G 3/4
Water outlet (inch) G 1/2 G 1/2 G 3/4 G 3/4
Side air vent (inch) G 1/2 G 1/2 G 1/2 G 1/2
Condensed water outlet (inch) G 1/2 G 1/2 G 1/2 G 1/2
Unit protection (IP) IPX1 IPX1 IPX1 IPX1
Water tank volume (L) 100 160 200 300
Net Dimensions (mm) Ø560×1230 Ø610×1700 Ø650×1700 Ø650×1950
Net Weight (Kg) 59 73 106 140
Included features Sanitary water heating • Auxiliary electrical heater 1.6 kW • Sagomioia electronic expansion valve

 

Mammoth R290 Product Line-up
Capacity 100L
Capacity 160L
Capacity 200L
Capacity 300L

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