574 VKM80-100GBM Energy recovery ventilation, humidification and air processing Post heating or cooling of fresh air for lower load on the air conditioning system J Energy saving ventilation using indoor heating, cooling and moisture recovery J Creates a high quality indoor environment by pre conditioning of incoming fresh air J Humidification of the fresh air results in comfortable indoor humidity level, even during heating J Free cooling possible when outdoor temperature is below indoor temperature (eg. during nighttime) J Low energy consumption thanks to DC fan motor J Prevent energy losses from over-ventilation while improving indoor air quality with optional CO2 sensor J Shorter installation time thanks to easy adjustment of nominal air flow rate, so less need for dampers compared with traditional installation J Specially developed heat exchange element with High Efficiency Paper (HEP) J Can operate in over- and under pressure VKM-GBM VKM-GBM Ventilation VKM-GBM 50GBM 80GBM 100GBM Power input - 50Hz Heat exchange mode Nom. Ultra high/ High/Low kW 0.270/0.230/0.170 0.330/0.280/0.192 0.410/0.365/0.230 Bypass mode Nom. Ultra high/ High/Low kW 0.270/0.230/0.170 0.330/0.280/0.192 0.410/0.365/0.230 Fresh air conditioning load Cooling kW 4.71/1.91/3.5 7.46/2.96/5.6 9.12/3.52/7.0 Heating kW 5.58/2.38/3.5 8.79/3.79/5.6 10.69/4.39/7.0 Temperature exchange efficiency - 50Hz Ultra high/High/Low % 76/76/77.5 78/78/79 74/74/76.5 Enthalpy exchange efficiency - 50Hz Cooling Ultra high/High/Low % 64/64/67 66/66/68 62/62/66 Heating Ultra high/High/Low % 67/67/69 71/71/73 65/65/69 Operation mode Heat exchange mode / Bypass mode / Fresh-up mode Heat exchange system Air to air cross flow total heat (sensible + latent heat) exchange Heat exchange element Specially processed non-flammable paper Humidifier System Natural evaporating type Dimensions Unit HeightxWidthxDepth mm 387x1,764x832 387x1,764x1,214 Weight Unit kg 100 119 123 Casing Material Galvanised steel plate Fan-Air flow rate - 50Hz Heat exchange mode Ultra high/High/Low m³/h 500/500/440 750/750/640 950/950/820 Bypass mode Ultra high/High/Low m³/h 500/500/440 750/750/640 950/950/820 Fan-External static pressure - 50Hz Ultra high/High/Low Pa 200/150/120 205/155/105 110/70/60 Air filter Type Multidirectional fibrous fleeces Sound pressure level - 50Hz Heat exchange mode Ultra high/High/Low dBA 38/36/34 40/37.5/35.5 40/38/35.5 Bypass mode Ultra high/High/Low dBA 39/36/34.5 41/38/36 41/39/35.5 Operation range Around unit °CDB 0°C~40°CDB, 80% RH or less Supply air °CDB -15°C~40°CDB, 80% RH or less Return air °CDB 0°C~40°CDB, 80% RH or less On coil temperature Cooling/Max./Heating/Min. °CDB -15/43 Refrigerant Control Electronic expansion valve Type R-410A GWP 2,087.5 Connection duct diameter mm 200 250 Piping connections Liquid OD mm 6.35 Gas OD mm 12.7 Water supply mm 6.4 Drain PT3/4 external thread Power supply Phase/Frequency/Voltage Hz/V 1~/50/220-240 Current Maximum fuse amps (MFA) A 15
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