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EXHAUST AIR
TO OUTSIDE
NOTE: Service
clearance is
30" (760mm)
DEFROST AIR
DDD MODELS ONLY
FRONT VIEW
46 3/4"
1088mm
Drain Connection
EXHAUST AIR
FROM BUILDING
CONTROLS
SUPPLY AIR
TO BUILDING
EXHAUST AIR
TO OUTSIDE
EXTERIOR DUCT
CONNECTION SIDE
26"
660mm
20"
508mm
6 3/4"
172mm
41 1/2"
1055mm
8"
200mm
20"
508mm
5 7/8"
149mm
10 3/8"
263mm
20"
508mm
INTERIOR DUCT
CONNECTION SIDE
24 5/8"
625mm
8"
200mm
8"
200mm
7 1/2"
199mm
10 3/8"
263mm
8"
200mm
MOUNTING POINTS
PROJECT DATE SUBMITTED BY CONTRACTOR
VENTILATION
SPECIFICATIONS
PERFORMANCE
DIMENSIONS
378-4-03
4537 NORTHGATE COURT
SARASOTA, FL 34234-2124, USA
941-351-3441 • 800-255-7749
Fax: 941-351-3442
www.americanaldes.com
e-mail: info@aldes-us.com
General: Unit shall be completely wired and includes blowers, filters,
heat exchange cores and control panel.
Cabinet: 46 3/4 x 41 1/2” by 24 5/8” H ( 1088 x 1055 x 625 mm H).
Constructed of 20 gauge prepainted galvanized steel (G60).
Interior lined with foil faced insulation where surface is exposed to
cold air. Access door is hinged and latched. Disconnect switch
engaged by door panel. Condensate pan has drain connection—
One 1/2” (12 mm) O.D.
Heat Exchange: Two triple core aluminum plate heat exchange
cores held in stainless steel frame, arranged in series for highly
efficient counter flow performance.
Air filter: Six washable filters.
Blower: Four centrifugal type forward curve blowers with two direct
drive PSC motors and rubber isolated mounts. Three speed
motors (120VAC/60 Hz/1 ph).
Controls: Illuminated power switch, three speed blower control, low
voltage (24 VAC) terminals for connection of remote controls, and
defrost light indicating automatic operation.
Defrost: Supply bypass damper directs indoor air to defrost core.
Defrost light indicates when automatic damper defrost occurs
(preset 27°F (-3 °C).
Operating Controls (Options):
28998Sixty Minute Timer (2 wire)
28882Remote dehumidistat, SPST, 20-80% RH,
low voltage, wall mount.
Capacities: ALDES Model HRV 850DFD, 850DDD
Air Flow 850 cfm (401 L/s)
Ext. Static Pressure 0.3 “ wg (75 Pa.)
Maximum Temperature Recovery 80%
Duct Connections: Three 20”x8” H (508 x 200 mm H).
Stale air intake: 26” x 8” (660mm x 200 mm H).
Model 850DDD has extra 20” x 8” (508 x 200mm) defrost port.
Mounting: Unit to be set on support brackets hung by threaded
rods. (Brackets and rods not included.)
Weight: 255 lbs (116kg) Shipping Weight: 280 lbs (127 kg)
Manufacturer:
American ALDES Ventilation Corp.
4537 Northgate Court, Sarasota, FL 34234
Warranty: 15 year warranty on heat exchange core. Two year parts
warranty.
MATHEWS GRAPHIC DESIGN- 941-358-0862
MODEL 850
HIGH SPEED
LOW SPEED
MED SPEED
7.8 HIGH
7.0 MED
6.6 LOW
TOTAL CURRENT DRAW (AMPS) @ 120 VAC
AIRFLOW in cfm (L/s)
EXTERNAL STATIC PRESSURE IN W.C. (Pa)
AIRFLOWS (Each Air Stream)
.1(25)
.2(50)
.3(75)
.4(100)
.5(125)
.6(150)
.7(175)
1000 (475)
900 (425)
800 (378)
700 (329)
600 (282)
500 (235)
400 (190)
300 (143)
200 ( 94)
100 ( 42)
90%
80%
70%
AIRFLOW in cfm (L/s)
EFFECTIVENESS
TEMPERATURE EFFECTIVENESS
500
(235)
600
(282)
700
(329)
800
(378)
900
(425)
MODEL 850
NOTE: Exhaust Relative Humidity (RH) at 40%