Specifications - Mitsubishi Electric Lossnay LGH-50RVS-E Handbook

2. Specifications

Model name
Heat exchange system
Heat exchanger material
Cladding
Heat insulation material
Motor
Filter
Surrounding air condition
Return air (RA) condition
Supply fan operation under low
outdoor temperature
Function
Electrical power supply
Insulation resistance
Dielectric strength
Running
Model name current
(A)
LGH-50RVS-E 1.19
LGH-80RVS-E 1.92
LGH-100RVS-E 2.55
* The above values apply during Heat recovery ventilation when the fan speed is set to Fan speed 4 at the rating
pressure loss and 230 V/50 Hz.
*For the specifications at the other frequency or voltages, see the spec. sheets.
* The values given in the table for the noise level reflect the levels measured at a position 1.5 meters directly under
the unit in an anechoic chamber.
* Noise change or increase may occur because of the Bypass-Automatic function or Automatic fan speed change by
the timer setting and/or other functions.
*Temperature Exchange efficiency (%) are based on winter condition.
* Mitsubishi Electric measures products according to ISO 16494:2014, therefore P-Q curves are measured by
chamber method.
* On-site commissioning measurements by pitot tube method could be as much 20% different from ISO test room con-
ditions. If the measuring point is close to sources of turbulence like bends, contractions and dampers etc, it is difficult
to measure air volume correctly. A straight duct length more than 10D (D=duct diameter) from the source of turbu-
lence is recommended for correct measurement. On-site measurement should therefore be performed in accordance
with BSRIA guideline (Commissioning Air System. Application procedures for buildings AG3/89.3 (2001))
LGH-50RVS-E, LGH-80RVS-E, LGH-100RVS-E
Heat recovery ventilating system
HIPS sheet
Galvanized steel sheet
Self-extinguishing urethane foam
EC motor
Non-woven fabrics filter (Coarse 35% (ISO16890), G3 (EN779: 2012))
0°C to 40°C, 80% or less
Dew point of the ambient air shall be lower than 11°C in winter
(e.g. 20°C, 56%RH or less)
The absolute humidity of RA shall be lower than 0.0139 kg/kg (DA) in winter and
the relative humidity of RA shall be lower than 90%RH through the year.
* Examples of the absolute humidity 0.0139 kg/kg (DA):
20.7°C 90%RH, 25°C 70%RH, 30°C 50%RH, etc.
0°C to -5°C: Intermittent operation 10 min OFF, 30 min ON
-5°C or less: Sensing operation 55 min OFF, 5 min ON
* Exhaust fan speed changes to 100% (Factory setting) during supply fan stopping
at 0°C to 5°C, or all conditions at less than -5°C.
Heat recovery mode/Bypass mode, Fan speed 1, 2, 3, 4
220-240 V/50 Hz, 220 V/60 Hz
10 MΩ or more
1000 V AC, 1 minute
Input
Air volume
power
3
(m /h) (L/S)
(W)
190 500 139
325 800 222
445 1000 278
External static Temperature
pressure exchange efficiency
(Pa)
150
170
190
─ 4 ─
Dia. of the
Noise
centrifugal fan
(dB)
(%)
87 33
82 36
82 37
Weight
(kg)
(mm)
245 55
245 63
245 73