Service Manual
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2. Changed points
New model Former model Changes from the former model
LGH-F300RVX2-E LGH-F300RVX-E
• Filter grade was changed from MERV4 to MERV7.
• New control circuit board
LGH-F380RVX2-E –
LGH-F470RVX2-E LGH-F470RVX-E
LGH-F600RVX2-E LGH-F600RVX-E
LGH-F940RVX2-E –
LGH-F1200RVX2-E LGH-F1200RVX-E
PZ-62DR-EA PZ-61DR-E
3. Specifications
Model name
LGH-F300RVX2-E, LGH-F380RVX2-E, LGH-F470RVX2-E, LGH-F600RVX2-E,
LGH-F940RVX2-E, LGH-F1200RVX2-E
Heat exchange system Energy recovery ventilating system
Heat exchanger material Special treated paper plate heat exchanger
Cladding Galvanized steel sheet
Heat insulation material Self-extinguishing urethane foam
Motor EC motor
Filter Non-woven fabrics filter (MERV7)
Surrounding air condition Shall be between 14°F (-10°C) and 104°F (40°C), 80%RH or less
Suction air condition Shall be lower than 104°F (40°C), 80%RH
Supply fan operation under
low outdoor temperature
14°F (-10°C) to 5°F (-15°C) : Intermittent operation 10 min OFF, 60 min ON
5°F (-15°C) or less: Sensing operation 55 min OFF, 5 min ON
Function Energy recovery ventilation/Bypass ventilation, Fan speed 1, 2, 3, 4
Electrical power supply Single phase 208-230 V / 60 Hz
Insulation resistance 10 MΩ or more
Dielectric strength 1000 V AC 1 minute