Unit: mm 400 350 300 250 200 150 100 50 0 95 90 85 80 75 70 65 60 55 0 100 200 300 400 500 600 700 800 900 Air ow 1,000 [m3/h] 0 50 100 150 200 250 [L/s] External static pressure [Pa] Exchange ef ciency [%] 100% Temp. exchange ef ciency Φ200 duct straight 130m Φ200 duct straight 60m Φ200 duct straight 40m 75% 50% 25% Inspection opening 450 × 450 or more In case of xed ceiling (not grid ceiling), 150mm or more for drain maintenance Heat exchanger, Air lter, High-Ef ciency lter, Fan,drain pan maintenance space Air supply fan Control box Air exhaust fan Alternative duct position Bypass damper plate Ceiling suspension xture (4-13 × 20 oval) O.D Φ32 (VP25) High-Ef ciency lter (sold separately) position Heat exchanger (Lossnay core) Air lters Power supply opening Drain catch basin Back ow stopper Drain pipe(1/100 gradient) (Drain pipe can be set preferable direction) Drain pan,cores,motors maintenance cover (Lower) Ceiling Filter maintenance cover (Upper) 969 120 More than 600 150 to 250 946 692 115 71 465 32 974 83 83 Φ208 Φ192 20 1001 64 153 120 RA (return air) SA (supply air) EA (exhaust air outlet) OA (outside air intake) 165 *When using a CO2 sensor. Upper and lower limits may be changed. LGH-50RVS-E Characteristic Curves Dimensions Controllers PZ-62DR-E PZ-43SMF-E CO2 indication Weight 55kg (67kg with maximum drain water) 220-240V/50Hz, 220V/60Hz 100% 75% 50% 25% Test condition 190 110 60 25 ISO 16494 Temp. exchange ef ciency is winter condition 500 375 250 125 139 104 69 35 1.37 1.06 0.86 0.72 150 84 38 9 87.0 89.0 91.0 93.0 33.0 27.0 22.0 18.0 A-weighted sound pressure level @1.5m off from the center of the unit in an anechoic chamber 5 Tracer gas method @100% air ow (prEN308) 10MΩ or more AC 1000V 1 minute 2.20 6.1A @10ms, 3.6A@100ms Electrical power supply Fan speed Input power [W] Airflow [m3/h] [L/s] Specific fan power [W/(L/s)] External static pressure [Pa] Temp. exchange efficiency [%] Noise [dB] Exhaust air transfer ratio [%] Insulation resistance Dielectric strength Maximum current [A] Inrush current [A] No Yes (Fan speed automatically changes from 25% to 100% depending on the CO2 concentration*) Control with a CO2 sensor Energy recovery/Bypass/Auto Energy recovery/Bypass/Auto Ventilation mode selection No Yes Night-purge No Yes Function setting from remote controller No Yes Bypass temp. free setting No Yes (Both supply and exhaust fan speeds can be set separately from 25% to 100% in 5% pitches) Multi-stage air ow control Yes Yes ON/OFF timer No Yes Auto-off timer No Yes Weekly timer No Yes Fan speed timer No Yes Operation restrictions (ON/OFF, ventilation mode, fan speed) No Yes Operation restrictions (fan speed skip setting) No Yes Screen contrast adjustment No (English only) Yes Language selection No Yes (available when using a CO2 sensor) CO2 concentration indication Yes Yes (maintenance interval can be changed) Filter cleaning sign Yes Yes (displays model name, serial number, contact information if they are input) Error indication No Yes Error history No Yes OA/RA/SA temp. display 2 of 4 fan speeds 4 fan speeds and Auto (Auto is available when using a CO2 sensor) Fan speed selection PZ-43SMF-E PZ-62DR-E Function
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