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Manafacture: American Aldes File size: 293.34 kb File name: Language of manual:

Higher electrical operating costs since air handler is required to distribute fresh air. Greater potential for draft with high air volumes circulating at room temperature. LT-15 PART NO. 28 045 LT-20 PART NO. 28 047 ( RECYCLED PAPER B Y MATHEWS GRAPHIC S P E C I F I C A T I O N S THERMALLY CONDUCTIVE, PATENTED ALUMINUM CORE: The cross-flow heat recovery core transfers heat between the two air streams. It is easily removed for cleaning or service. MOTORS AND BLOWERS: Each air stream has one centrifugal blower driven by a common PSC motor. 120 VAC, 1.4 Amps. FILTERS: Washable air filters in exhaust and supply air streams. MOUNTING THE HRV: Four 10-24 5/8” threaded inserts at corners of case designed to accept four PVC reinforced polyester straps that are supplied with the unit. DEFROST: Damper defrost system; defrosts automatically as the outdoor temperature falls. CASE: Twenty gauge prepainted galvanized steel (G60) for superior corrosion resistance. Insulated to prevent exterior condensation. Drain connections 2 - 1/2” (12 mm) OD. WEIGHT: 71 lbs. (32.5 kg) SHIPPING WEIGHT 73 lbs. (33.5 kg) CONTROLS: Basic ON/OFF control is maintained with the 3 foot, 120VAC, 3-prong electrical cord providing power to the HRV. HRV DEFAULTS TO LOW SPEED when plugged in. HIGH SPEED option is accessible by connecting remote, low voltage, 2-wire controls (up to 10) or (up to four 28 884 -20 minute fan timers) to designated terminals inside electrical box of HRV. STANDARD SPEED SETTING can be increased by manipulating jumpers in electrical box. OFF (Standby) /LOW or OFF/HIGH speed operation also available by manipulating jumpers. OFF, LOW and HIGH speeds are all remotely controllable when an optional 28 883 Dehumidistat Ventilation Control (DVC) is connected to the HRV’s electrical box. APPROVALS: SAFETY: ETL Tested / Certified to UL 1812 CSA PERFORMANCE: HVI Tested / Certified to CSA 439-88 P E R F O R M A N C E HVI CERTIFIED Net Supply airflow in cfm (L/s) against external static pressure E .S .P . LLLLLTTTTT-15-15-15-15-15 [cfm (L/s) ] LLLLLTTTTT-20-20-20-20-20 [cfm (L/s) ] 0.1" (25 Pa) 177 (83) 214 (101) 0.2” (50 Pa) 164 (77) 206 (97) 0.3” (75 Pa) 156 (73) 193 (91) 0.4” (100 Pa) 143 (67) 184 (87) 0.5” (125 Pa) 123 (58) 170 (80) Max. Sensible Effectiveness 78% 69% Test Parameters 67 cfm (32 L/s) 127 cfm (60 L/s) Sensible Effectiveness 76% 67% Sensible Efficiency @ 32° F ( 0° C ) 66% 60% Sensible Efficiency @ -13° F ( -25° C ) 60% 59% VAC @ 60HZ 120 120 WATTS / High @ .3" w.c. 173 182 WATTS / High @ .3" w.c. 63 70 CONDENSATE DRAINS S P E C I F I C A T I O N S THERMALLY CONDUCTIVE, PATENTED ALUMINUM CORE: The cross-flow heat recovery core transfers heat between the two air streams. It is easily removed for cleaning or service. MOTORS AND BLOWERS: Each air stream has one centrifugal blower driven by a common PSC motor. 120 VAC, 1.4 Amps. FILTERS: Washable air filters in exhaust and supply air streams. MOUNTING THE HRV: Four 10-24 5/8” threaded inserts at corners of case designed to accept four PVC reinforced polyester straps that are supplied with the unit. DEFROST: Damper defrost system; defrosts automatically as the outdoor temperature falls. CASE: Twenty gauge prepainted galvanized steel (G60) for superior corrosion resistance. Insulated to prevent exterior condensation. Drain connections 2 - 1/2” (12 mm) OD. WEIGHT: 71 lbs. (32.5 kg) SHIPPING WEIGHT 73 lbs. (33.5 kg) CONTROLS: Basic ON/OFF control is maintained with the 3 foot, 120VAC, 3-prong electrical cord providing power to the HRV. HRV DEFAULTS TO LOW SPEED when plugged in. HIGH SPEED option is accessible by connecting remote, low voltage, 2-wire controls (up to 10) or (up to four 28 884 -20 minute fan timers) to designated terminals inside electrical box of HRV. STANDARD SPEED SETTING can be increased by manipulating jumpers in electrical box. OFF (Standby) /LOW or OFF/HIGH speed operation also available by manipulating jumpers. OFF, LOW and HIGH speeds are all remotely controllable when an optional 28 883 Dehumidistat Ventilation Control (DVC) is connected to the HRV’s electrical box. APPROVALS: SAFETY: ETL Tested / Certified to UL 1812 CSA PERFORMANCE: HVI Tested / Certified to CSA 439-88 P E R F O R M A N C E HVI CERTIFIED Net Supply airflow in cfm (L/s) against external static pressure E .S .P . LLLLLTTTTT-15-15-15-15-15 [cfm (L/s) ] LLLLLTTTTT-20-20-20-20-20 [cfm (L/s) ] 0.1" (25 Pa) 177 (83) 214 (101) 0.2” (50 Pa) 164 (77) 206 (97) 0.3” (75 Pa) 156 (73) 193 (91) 0.4” (100 Pa) 143 (67) 184 (87) 0.5” (125 Pa) 123 (58) 170 (80) Max. Sensible Effectiveness 78% 69% Test Parameters 67 cfm (32 L/s) 127 cfm (60 L/s) Sensible Effectiveness 76% 67% Sensible Efficiency @ 32° F ( 0° C ) 66% 60% Sensible Efficiency @ -13° F ( -25° C ) 60% 59% VAC @ 60HZ 120 120 WATTS / High @ .3" w.c. 173 182 WATTS / High @ .3" w.c. 63 70 CONDENSATE DRAINS OPTIONS 28 884 20 Minute Fan Timer (3 wire) 28 998 Sixty Minute Remote Timer (2 wire) 28 883 Dehumidistat Ventilation Control, Remote Dehum...

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