Lifebreath 700FD/DD Manuale Utente
7
Model 850
FD/DD
SPECIFICATIONS
CORES
Modular (6 section) patented aluminum heat recovery cores arranged for high
efficiency crossflow ventilation.
efficiency crossflow ventilation.
MOTORS
Two PSC, 3 speed double shafted, 120 VAC, 3.95 Amps each (7.9 total on
high speed). HP - 1/4, 1625 RPM. Watts - total on High Speed - 848.
high speed). HP - 1/4, 1625 RPM. Watts - total on High Speed - 848.
FILTERS
Washable air filters in exhaust and supply air streams.
BLOWERS
Centrifugal type rated at 950 cfm (448 L/s) free air delivery. Each air stream
has one double shafted motor driving two centrifugal blowers.
has one double shafted motor driving two centrifugal blowers.
CONNECTION DUCT SIZES
Three - 20" x 8" (508 mm x 200 mm).
Stale air intake - 26" x 8" (660 mm x 200 mm).
Model 850DD - additional 20" X 8" defrost port
Stale air intake - 26" x 8" (660 mm x 200 mm).
Model 850DD - additional 20" X 8" defrost port
MOUNTING
Unit to be set on support brackets hung by threaded rod type apparatus.
(brackets and rods not provided).
(brackets and rods not provided).
CASE
20 gauge prepainted galvanized steel (G60) for superior corrosion
resistance. Insulated with foil faced insulation where required to prevent
exterior condensation. Drain connections, Two - 1/2" (12 mm) O.D.
resistance. Insulated with foil faced insulation where required to prevent
exterior condensation. Drain connections, Two - 1/2" (12 mm) O.D.
CONTROLS
Illuminated power switch, 3 speed blower control, low voltage (24 VAC)
terminals for connection of remote controls and defrost light indicating
automatic operation.
terminals for connection of remote controls and defrost light indicating
automatic operation.
DEFROST CONTROLS
Model 850FD - Interrupts supply air while exhaust air defrosts core.
Model 850DD - Supply bypass routes indoor air to defrost core.
Model 850DD - Supply bypass routes indoor air to defrost core.
WEIGHT
255 lbs. (116 kg)
SHIPPING WEIGHT
280 lbs. (127 kg)
1188 mm
(46 3/4")
200 mm
(8")
FRONT VIEW
1055 mm
(41 1/2")
508 mm
(20")
172 mm
(6 3/4")
INTERIOR DUCT
CONNECTION SIDE
625 mm
(24 5/8")
EXTERIOR DUCT
CONNECTION SIDE
MOUNTING POINTS
DRAIN CONNECTION
660 mm
(26")
200 mm
( 8")
200 mm
(8")
508 mm
(20")
149 mm
(5 7/8")
DIMENSIONS 850
mm (inches)
EXHAUST AIR
TO OUTSIDE
EXHAUST AIR
FROM BUILDING
SUPPLY AIR
TO BUILDING
SUPPLY AIR
FROM OUTSIDE
NOTE:
Service clearance
is 760 mm (30 in.)
Service clearance
is 760 mm (30 in.)
508 mm
(20")
200 mm
(8")
DEFROST AIR
DD MODELS ONLY
CONTROLS
190 mm
(7 1/2 ")
(7 1/2 ")
263 mm
(10 3/8 ")
263 mm
(10 3/8")
OPTIONS
99-101
Sixty Minute Timer
99-130
Remote Wall Mount Dehumidistat Control
24 VAC only
24 VAC only
All units conform to CSA and UL standards
WARRANTY
All units carry a 15 year warranty on the heat recovery cores
and a 2 year replacement parts warranty.
and a 2 year replacement parts warranty.
AIRFLOWS (Each Air Stream)
475 (1000)
425 (900)
378 (800)
329 (700)
282 (600)
235 (500)
190 (400)
143 (300)
94 (200)
42 (100)
AIRFLOW L/s (CFM)
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)
TOTAL CURRENT DRAW (AMPS) @ 120 VAC
7.0 MED
7.9 HIGH
6.6 LOW
90%
80%
70%
282
(600)
329
(700)
TEMPERATURE EFFECTIVENESS
AIRFLOW IN L/s (CFM)
NOTE: Exhaust Relative Humidity (RH) at 40%
EFFECTIVENESS
378
(800)
425
(900)
HIGH SPEED
MED SPEED
LOW SPEED
235
(500)
PERFORMANCE
TI-111
0011
DATE: __________________________
PROJECT: ________________________________________
MECHANICAL CONTRACTOR: ________________________________
511 McCormick Blvd.
London, Ontario
N5W 4C8
Ph: (519) 457-1904
Fx: (519) 457-1676
Email: nutech@lifebreath.com
Website: www.lifebreath.com
Fx: (519) 457-1676
Email: nutech@lifebreath.com
Website: www.lifebreath.com