American Aldes HRV 700SDD ALDES HRV 2500SFD, HRV 2500SFD / 2500SFDE, Heat Recovery Ventilator

HRV 2500SFD / 2500SFDE

HEAT RECOVERY VENTILATOR

PRODUCT

SPECIFICATIONS

AND ENGINEERING

INFORMATION

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SUBMITTAL DATA

					412 - 04-03
ALDES Models HRV 2500SFD		ALDES HRV 2500SFD /
and 2500SFDE area compact heat
recovery ventilators designed to			2500SFDE
exhaust stale indoor air and supply
intended for small commercial and		Heat Recovery Ventilator
fresh air from outdoors. They are
institutional applications, such as
office buildings, classrooms, apart-
ment buildings, hospitals, nursing
homes, dormitories, restaurants,
health clubs, etc.
Each model	is a technically ad-
vanced controlled mechanical ven-
tilation system to meet the require-
ments of modern, tightly built and
highly insulated buildings. It pro-
vides a consistent supply of fresh
air while lowering heating costs		PART NO: 28 135
during the winter by transferring
		2500SFDE ROOFTOP
heat from the exhaust air to the
			PART NO: 28 133
fresh air stream. During the sum-
			2500SFD
mer it also reduces the load on the
air conditioner by lowering the tem-
perature of the fresh outdoor air.		and exhaust duct connections to the		ancing, less maintenance (belt ad-
The system provides an economi-
		interior are totally enclosed within the		justments	and replacements) and
cal solution for excessive indoor
		insulated curb.		reduced electrical consumption as
humidity, odors, stuffiness, and
				compared to belt drive units. Both
other indoor air pollutants.		These units offer a wide range of
				models utilize fan defrost, shutting
As the two air streams pass through		airflow and pressure, using 3-speed		off the supply fan on a timed defrost
		direct drive motors.	They can be	cycle that	begins at temperatures
the HRV, they are separated by
		provided with solid state motor speed		below 26 °F (-4 °C). The defrost time
thin plates of aluminum in the core.
		controls if desired. Use of direct drive		cycle (user adjustable) is factory pre-
The air streams do not mix, so
		motors, with selectable speeds re-		set to 10 minutes defrost, followed by
there is no recontamination of the
		sults in simpler installation and bal-		30 minutes normal operation.
fresh air by stale air. Heat passes
through the thermally conductive			GENERAL FEATURES
aluminum from the warmer air
stream to the colder air stream,		Thermally conductive aluminum heat exchange core, cross-
recovering most of the energy oth-		flow design, easily removed from either side for cleaning or ser-
erwise lost to the outdoors.		vice.

The Model 2500 is available with	Insulated 20 gauge powder coated galvanized steel cabinet.
two mounting options. The Model	Direct drive centrifugal forward curve blowers, one in each air
2500SFD is intended for installa-	stream.
tion indoors. The duct connections	Two efficient three speed PSC single shaft motors 208/230 V,
to the outdoors are conveniently
located near the top, to permit duct-	5.1 Amps each (10.2 Amps total on high speed), 1 ph. 1 HP.
ing up through a roof, or turning	Two 18”x24” 4-in deep pleated filters, one in each air stream
horizontally for side wall intake and	protect the core.
discharge. The Model 2500SFDE	Defrost: Factory set defrost time (user adjustable). Supply
mounts on an insulated roof curb,
supplied with the unit. The supply	motor shuts off while exhaust air defrosts core.