Commercial Monobloc Air-to-Water Heat Pump – MT Series
Refrigerants: R-32
Capacities: 300 000 / 500 000 / 600 000 BTU/h
Extreme Performance. Zero Compromise.
✔ Heating operation down to –35 °C (–31 °F)
✔ Hot water production up to 60 °C (140 °F)
✔ Low environmental impact refrigerant concept
Designed for Canadian Climate
The effiQueenc® MT Series air-to-water heat pump is engineered to deliver reliable and stable performance under extreme climate conditions.
Its V-shaped architecture promotes excellent heat exchange and efficient airflow, allowing high water temperatures to be reached while maintaining a high COP.
Models: EFFI-CSMT300-M32, EFFI-CSMT500-M32 and EFFI-CSMT600-M32
BENEFITS:
Energy Performance
The MT Series is designed to provide a high-performance solution for hydronic applications requiring a higher water temperature than a standard heat pump.
- Heating mode water outlet temperature up to 60°C (140°F)
- Cooling mode water outlet temperature as low as 5°C (41°F)
- DC Inverter technology to adjust capacity according to actual demand
- High-efficiency, low-GWP R32 refrigerant
- V-shaped architecture promoting heat exchange, airflow and more efficient defrost cycles
✔ Helps maintain optimized energy efficiency while meeting the needs of commercial hydronic systems.
Designed for Cold Climates
The MT Series is adapted to northern conditions and significant variations in outdoor temperature.
- Extended operating range: -35°C to 50°C (-31°F to 122°F)
- Automatic antifreeze protection in standby mode
- Smart defrost according to outdoor conditions and coil temperature
- Safe operation in all seasons
✔ Ensures reliable performance even during periods of extreme cold.
Simplified Control, Supervision and Maintenance
The MT Series integrates control and supervision functions that allow efficient monitoring of the unit’s operation.
- Centralized wired controller
- IoT cloud connectivity with cellular DTU module
- Remote reading of temperatures, refrigerant pressures, status and alarms
- Remote diagnostics and parameter adjustment
- Maintenance and service facilitated by an oversized electrical cabinet providing quick access to the main components
✔ Simplifies operation, technical monitoring and preventive maintenance.
Quiet Operation
Noise level reduction thanks to acoustic insulation covers installed on the compressors, insulated side access panels and modulating operation at partial load.
✔ Provides a more stable, more comfortable solution that is better suited for commercial and institutional environments.
Integrated Hydronic Cooling
In addition to heating, the MT Series can also operate in cooling mode for commercial hydronic applications requiring chilled or tempered water.
- Heating and cooling operation with the same unit
- Chilled water production for commercial hydronic systems
- Cooling mode water outlet temperature as low as 5°C (41°F).
- Reduction in the number of equipment required on the project
- Provides a versatile air-to-water solution for four-season hydronic applications.
✔ Provides a versatile air-to-water solution for four-season hydronic applications.
Complete Solution for Heating and Cooling
Ideal applications:
- Multi-residential buildings
- Hotels and resorts
- Healthcare facilities
- Schools and institutions
- Sports facilities
- Industrial applications
- Agricultural buildings
- Etc.
Power Management and Redundancy (Multi-Unit)
The modular design allows:
- Configuration of up to 8 units in a master/slave group
- Alternating operation (rotation) of units based on operating hours
- Progressive start-up according to the thermal load
✔ Improves overall reliability and reduces wear.
Smart Control and Simplified Operation
effiQueenc® MT Series heat pumps integrate an advanced control system designed to provide smart, precise and intuitive operation management.
All operations are managed by a programmable microprocessor, allowing operating parameters to be finely adjusted according to the actual needs of the building, directly on site or through the IoT platform. This approach ensures optimal adaptation to operating conditions and consistent performance.
The controller can be installed directly on the unit as standard, or remotely inside the building using a wired controller.
The advanced control system allows:
- Precise adjustment of operating parameters
- A user-friendly interface for the operator
- Centralized management of the units
- Simplified day-to-day operation
- Flexible and intuitive control interface
Smart Regulation by Weather Compensation
- Temperature curve modulated according to outdoor temperature
- Smart modulation management, optimizing efficiency according to actual needs.
- Integrated compensation curve: the temperature automatically adjusts according to outdoor variations, ensuring comfort and energy efficiency. This function is fully configurable and can be enabled or disabled according to the installation requirements.
Reliability and Durability
- Stable operation in extreme conditions: -35°C to 50°C (-31°F to 122°F)
- Compliant with North American requirements
- Robust and durable design
- Industrial-grade components
TECHNICAL FEATURES:
Thermodynamic Architecture
effiQueenc® MT Series R32 heat pumps use a medium-temperature air-to-water architecture, specifically designed to provide high energy efficiency in hydronic heating, even in cold climates.
- V-shaped architecture promoting excellent heat exchange and efficient airflow
- Air-to-water operation with hot water production up to 60°C (140°F)
- Design optimized to maintain a high COP according to load conditions
- Automatic adaptation to variations in outdoor temperature and water temperature
- Modular design facilitating the installation of multiple units
✔ Allows high water temperatures to be reached while maintaining optimized energy efficiency.
R32 Refrigerant
MT Series heat pumps use R32 refrigerant, recognized for its energy efficiency and low global warming potential compared to traditional refrigerants.
- Low-GWP R32 refrigerant
- High energy efficiency
- Adapted to medium-temperature hydronic heating applications
- Integrated refrigerant leak detector for increased safety
- Reduced environmental impact of the system
Refrigeration System
The MT Series is designed with independent refrigeration circuits to improve reliability, redundancy and operating stability.
- Two or four independent R32 refrigeration circuits depending on the model
- Integrated redundancy for better service continuity
- Capacity optimization according to demand
- Stable operation in heating and cooling modes
- Greater flexibility in commercial hydronic applications
✔ This design improves the overall reliability of the system and allows better adaptation to the building’s needs.
Operating Range
- Outdoor temperature: -35°C to +43°C
- Water temperature up to 60°C (140°F)
- Optimized operation in extreme cold conditions
Regulation and Control
- Integrated programmable microprocessor
- Complete parameter setting directly on site
- Water temperature regulation:
- Stable setpoint control
- Dynamic modulation management
- Integrated weather compensation:
- Automatic temperature adjustment according to outdoor ambient conditions
- Fully configurable curve
Compression System
DC Inverter technology allows precise capacity modulation according to the actual needs of the building.
- DC Inverter compressors with EVI (Enhanced Vapor Injection) technology
- Automatic adjustment of the operating frequency
- Precise control of the water outlet temperature
- Rapid temperature rise
- Reduction of on/off cycles
- More stable and quieter operation
✔ Inverter modulation optimizes energy consumption while maintaining a constant water temperature.
User Control System
- Touchscreen interface with structured menus
- Installation:
- On the unit as standard
- Or remote controller, wired inside the building
- Access to functions:
- Setpoint adjustment
- Visualization of operating status
- System parameter management
Multi-Unit Management
- Configuration of up to 8 units in cascade
- Master / Slave control logic
- Automatic sequencing:
- Progressive start-up
- Shutdown according to demand
- Integrated functions:
- Unit rotation
- Runtime balancing
- Optimization of available capacity
Connectivity and Monitoring (IoT)
- Cellular DTU module with SIM card
- Communication independent of the building network
Features:
- Remote access to operating data
- Monitoring of temperatures, status, and alarms
- Remote parameter adjustment
- Event history and diagnostics
BMS Integration and Communication (Modbus)
The effiQueenc® MT Series heat pumps are compatible with Building Management Systems (BMS) via Modbus communication protocol.
- Standard Modbus RTU (RS-485) communication
- Easy integration with centralized BMS systems
- Remote monitoring and control of key parameters
Typical accessible data points:
- temperatures (water inlet/outlet, air, etc.)
- operating status (compressors, fans, modes)
- active alarms and faults
- temperature setpoints
Available control functions:
- unit start/stop
- setpoint adjustment
- operating mode selection
- capacity and priority management
- and more as needed
✔ Enables full integration into building energy management strategies
- Modbus register list available upon request
- Compatibility with:
- BACnet (via gateway)
- third-party systems
Defrost and Outdoor Condition Management
- Intelligent defrost based on:
- outdoor temperature
- coil temperature
- Reduced defrost duration
- Extended effective heating time
- Performance maintained under cold and humid conditions
Mechanical Design and Construction
- Robust structure for outdoor installation
- Powder-coated finish:
- UV resistance
- weather protection
- Design adapted to northern climates
- Maintenance and service are facilitated by a large cabinet that provides easy access to the main electronic components.
Automatic Antifreeze Protection
The MT Series integrates multi-level antifreeze protection to protect the unit and the hydronic circuit in standby mode.
- Outdoor temperature monitoring
- Water temperature monitoring
- Automatic activation of antifreeze mode according to conditions
- System protection during cold periods
- Safe operation when demand is low
Hydronic Integration
The MT Series is designed to integrate with existing commercial hydronic systems or new installations.
Compatible with medium-temperature applications
- Compatible with hydronic heating and cooling networks
- Recommended integration with:
- Buffer tank
- Hydraulic separator
- Properly sized circulation pumps
- Maintains required nominal flow rates
- Compatible with medium-temperature applications
Operating Limits
Operating Range
MT Series heat pumps are designed to operate across a wide range of outdoor conditions, adapted to northern climates.
- Operating outdoor temperature: -35°C to 50°C (-31°F to 122°F)
- Maximum water outlet temperature:
- Up to 60°C (140°F) from -20°C to 50°C (-4°F to 122°F) outdoor ambient air
- Up to 55°C (131°F) from -35°C to -20°C (-31°F to -4°F) outdoor ambient air
Specifications: electrical, refrigerant, circulator, noise, weight, and dimensions
Consumption/heating performance/COP
