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Air-Water modular heating pump MES for centralized systems

Composition
 
Components
  • 1 EC fan
  • 2 Exchanger with hydrophilic treatment
  • 3 Electric panel
  • 4 Compressor
  • 5 Electric pump
  • 6 Hydraulic connections

Constructional characteristics
• Supporting structure and panels realized in galvanized sheet and coated (RAL 9018), base in galvanized steel sheet ;
• Electric heater on condensation drain pan;
• Scroll type rotary hermetic compressors, vapour injection with external thermic protection managed by electrical board and crankcase heater automatically activated when unit stops (provided that unit is electrically powered);
• Water side exchanger with stainless steel and braze-welded plates equipped with antifreeze heater and properly insulated;
• Air side exchanger composed by battery in copper pipes and aluminium fins with hydrophilic superficial treatment;
• Axial fans with permanent magnets motor for the electronic control speed;
• 1”1/2 male hydraulic threaded connections
• Differential pressure gauge to protect the unit from any interruption of the water flow;
• Refrigerant circuit realized with annealed copper pipe (EN 12735-1-2) equipped with: dryer filter, charge connections, safety pressure switch on high pressure side, safety valve, expansion thermostatic valve of mechanical type, 2 for winter and 1 for summer, reverse cycle valve, liquid receiver, retaining valves, gas separator. Economizer with braze-welded plates, electronic and thermostatic valve to manage Eco and 3 solenoid valves for vapour injection;
• Serial external temperature probe;
• Unit protection level: IP 24
• R410A ecological refrigerant fluid charge
• Electrical panel in compliance with IEC regulations, inside watertight box equipped with electrical protections for 400V-3ph-50Hz power supply voltage;
• Electronic device for a continuous rotation speed regulation of the brushless fan;
• Electrical control board at “Carel” microprocessor with connection to the relevant keypad;

Working range
Outdoor temperature: -15 - 45 °C (Cooling), -20 - 40 °C (Heating)
Water temperature out: 4 - 18 °C (Cooling), 60 °C (air >0 °C) (Heating)
Maximum water temperature in: 25 °C (Cooling), 55 °C (Heating)

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Notes
 
APPLICATION AT LOW TEMPERATURE ACCORDING THE REGULATIONS EU N° 811-813/2013
Seasonal space heating energy efficiency class: A++
Sound power: dB(A) 74

Refrigerant R410A - Power supply (V-ph-Hz): 400-3-50 - Dimensions (WxHxD mm) 1224 x 1224 x 2152.
Data referred to the application with terminal air units and to the following conditions:
(*) Heating: Air: 7(6) °C - Water: 40/45 °C (Ref. A7 W45)
(**) Cooling: Air: 35 °C - Water: 7/12 °C (Ref. A35 W7)
Performances according to EN 14511:2011

Above mentioned units can be singularly installed or connected between them until maximum 4 units (with the same set up) through a hydraulic parallel by using the appropriate accessories.
Units in parallel have to be composed by homogeneous models (same set up), it is not possible to match different models.


(*) Models on request (available in about 40 days from the order confirmation).
 

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