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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