High output gas condensing systems

Luna Duo-Tec MP+

Single or cascade centralized heating systems installations

Commercial
Wall-Hung / on frame

The range of Luna Duo-tec MP+ consists of wall-hung commercial condensing boilers, with output between 35 and 150 kW (50/30°C).


Luna Duo-tec MP+ are heating only boilers for centralized systems with the possibility to be connected to a domestic hot water tank.


Luna Duo-tec MP+ can be mounted on a frame, allowing installation even in the middle of plant rooms. The frame is common to all models, both for single and cascade installations.


Cascade option for greater heating demand, up to 16 boilers

Characteristics


  • Models: 1.35, 1.50, 1.60, 1.70, 1.90, 1.110, 1.115, 1.130, 1.150
  • Modulation up to 1:9 (1:5 for 1.115, 1.130 and 1.150) reduces on-off cycles for improved efficiency and energy savings
  • Large back-lit display
  • Stainless steel burner (metalic fiber for 1.110 model)
  • Low water content heat exchanger for a rapid response to system heating demand
  • Electronics that allow up to 16 boilers in cascade format
  • Premix air-gas unit ensures that the burner constantly has an optimal air/gas ratio, for better efficiency and lower energy consumption
  • Accessories for single or cascade installation, for direct wall hung mounting or upon a metal hanging frame

Technical Specification 

MODELS1.351.501.601.701.901.1101.1151.1301.150
Heat input/output
Maximum heat input (heating)kW34,846,356,666,987,4104,9115123,8143
Minimum heat outputkW5,15,16,37,49,711,724,824,828,6
Useful heat output at rated heat output and high temperature regime(2) P4kW33,845556585102112,8121,5140,3
Minimum heat output (80/60°C)kW556,17,29,411,424,324,328,1
Maximum heat output (50/30°C)kW35,648,659,470,291,8110,2121,4130,6150,9
Minimum heat output (50/30°C)kW5,45,46,67,810,212,326,226,230,2
Useful heat output at 30% of rated heat output and low temperature setting(1) P1kW11,214,918,221,528,233,837,540,446,6
Seasonal space heating energy efficiency class***AAAA-----
Useful efficiency at rated heat output and high temperature setting(2) ƞ4%87,787,787,687,687,787,688,488,488,4
Useful efficiency at 30% of rated heat output and low temperature setting(1) ƞ1%9797,196,896,596,896,897,897,897,8
Space heating – Seasonal energy efficiency ƞs%929292929393939393
Heating circuit
Maximum pressure heating circuitbar444444444
Maximum inlet temperature heating circuit°C909090909090909090
Temperature range for heating circuit°C25-8025-8025-8025-8025-8025-8025-8025-8025-80
Water contentl445699101011
Combustion
Diameter of separate discharge pipesmm80/8080/8080/8080/80110/110110/110110/110110/110110/110
Diameter of coaxial discharge pipesmm80/12580/12580/12580/125110/160110/160110/160110/160110/160
Nitrogen oxide emissions NOxmg/kWh292931313122171723
Flue gas mass flow rate (max)kg/s0,0160,0210,0260,0310,0400,0470,0520,0560,064
Flue gas mass flow rate (min)kg/s0,0020,0020,0030,0040,0050,0050,0120,0120,014
Maximum flue temperature°C
Gas typeNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPGNatural gas/LPG
Electrical characteristics
Rated power supplyW180230230230275320325360460
Auxiliary electrical power consumption - Full load elmaxW70809595130165172187283
Auxiliary electrical power - Partial load elminW202020201718515152
Auxiliary electrical power - Stand-by PSBW333333333
Power supply voltageV230230230230230230230230230
Power supply frequencyHz505050505050505050
Dimensions
Sound power level, indoor LWAdB586259626363586064
Humidity protection rating (EN 60529)IPX5DX5DX5DX5DX5DX5DX5DX5DX5D
Net weightkg404040508393939396
Dimensions (height/width/depth)mm766x450x377766x450x377766x450x377766x450x505952x600x584952x600x584952x600x584952x600x584952x600x584

(1) Low temperature: return temperature (at boiler inlet) for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C.
(2) High temperature setting means 60 °C return temperature at boiler inlet and 80 °C flow temperature at boiler outlet.
*** Products with nominal output >70 kW are not subjected to energy labelling according to ErP regulation

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