Model 850FD/DD, Airflows Each Air Stream

Model 850FD/DD

SPECIFICATIONS

CORES

Modular (6 section) patented aluminum heat recovery cores arranged for high 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.

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.

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

AIRFLOW L/s (CFM)

475(1000)

425 (900)

378 (800)

329 (700)

282 (600)

235 (500)

190 (400)

143 (300)

94(200)

42(100)

PERFORMANCE

AIRFLOWS (Each Air Stream)

HIGH			SPEED
MED
		SPEED
LOW
	SPEED

25 (.1)

50 (.2)

75 (.3)

100 (.4)

125 (.5)

150 (.6)

175 (.7)

EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)

7.9HIGH

7.0MED

6.6LOW

TOTAL CURRENT DRAW (AMPS) @ 120 VAC

MOUNTING

Unit to be set on support brackets hung by threaded rod type apparatus. (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.

CONTROLS

Illuminated power switch, 3 speed blower control, low voltage (24 VAC) 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. WEIGHT 255 lbs. (116 kg) SHIPPING WEIGHT 280 lbs. (127 kg)

TEMPERATURE EFFECTIVENESS

EFFECTIVENESS	90%
	90%
	80%
	70%

NOTE: Exhaust Relative Humidity (RH) at 40%

235	282	329	378	425
(500)	(600)	(700)	(800)	(900)

AIRFLOW IN L/s (CFM)

						mm (inches)
EXHAUST AIR			EXHAUST AIR
TO OUTSIDE			FROM BUILDING	CONTROLS						MOUNTING POINTS
TO OUTSIDE			FROM BUILDING
				200 mm	660 mm				263 mm	508 mm	200 mm
				200 mm	850	(26")			(10 3/8")	508 mm	(8")
				8")		(26")			(10 3/8")	(20")	(8")
NOTE:			DIMENSIONS(				190 mm	625 mm	149 mm
Service clearance					172 mm		(7 1/2 ")	625 mm	149 mm
is 760 mm (30 in.)					(6 3/4")		263 mm	(24 5/8")	(5 7/8")
is 760 mm (30 in.)					(6 3/4")		263 mm	(24 5/8")
							(10 3/8 ")			508 mm
					508 mm		200 mm			508 mm	200 mm
					508 mm					(20")	(8")
					(20")					(20")	(8")
					(20")		(8")
							(8")
SUPPLY AIR
FROM OUTSIDE	1188 mm				1055 mm
	1188 mm	DRAIN CONNECTION	SUPPLY AIR		1055 mm
DEFROST AIR	(46 3/4")		SUPPLY AIR		(41 1/2")
DD MODELS ONLY	FRONT VIEW		TO BUILDING	INTERIOR DUCT					EXTERIOR DUCT
DD MODELS ONLY

					CONNECTION SIDE					CONNECTION SIDE

OPTIONS		All units conform to CSA and UL standards
99-101	Sixty Minute Timer
		WARRANTY
99-130	Remote Wall Mount Dehumidistat Control	All units carry a 15 year warranty on the heat recovery cores
	24 VAC only	and a 2 year replacement parts warranty.

DATE: __________________________

		511 McCormick Blvd.
	PROJECT: ________________________________________	London, Ontario N5W 4C8
	PROJECT: ________________________________________	Ph: (519) 457-1904
		Ph: (519) 457-1904
		Fx: (519) 457-1676
	MECHANICAL CONTRACTOR: ________________________________	Email: nutech@lifebreath.com
	MECHANICAL CONTRACTOR: ________________________________	Website: www.lifebreath.com
	7	TI-111
		0011

700ERV, 700FD/DD, 1200ERV, 500DCS, 1200FD/DD specifications

Lifebreath offers a range of residential ventilation solutions designed to ensure optimal indoor air quality with the Lifebreath 1200FD/DD, 500ERV, 850FD/DD, 700FD/DD, and 500DCS models. These systems are engineered for energy efficiency, user comfort, and advanced air management technologies.

The Lifebreath 1200FD/DD is a robust energy recovery ventilator suitable for larger homes. Its main feature is the dual-core technology that maximizes heat and energy recovery while ensuring fresh air supply. The built-in filter system removes airborne pollutants, enhancing indoor air quality. Users can enjoy a balanced airflow with an easy-to-use control interface, making it ideal for modern living.

The Lifebreath 500ERV is designed for smaller spaces, offering energy recovery ventilation with a compact footprint. Its efficient design extracts stale air while simultaneously introducing filtered fresh air. The ERV technology helps manage humidity levels, providing a stable indoor environment, particularly beneficial in varying climates. This model emphasizes quiet operation, ensuring minimal disruption in residential areas.

The Lifebreath 850FD/DD combines versatility and efficiency, featuring flexible ducting options and a powerful fan system. Its dual-core structure allows improved heat recovery, promoting energy conservation. This model is ideal for medium-sized homes where balancing airflow is crucial for comfort.

Next, the Lifebreath 700FD/DD stands out for its advanced filtration and heat recovery capabilities. This unit is equipped with a high-efficiency filter that captures a wide range of airborne particles, ensuring the air quality meets modern health standards. Its sleek design and quiet operation make it a popular choice among homeowners.

Finally, the Lifebreath 500DCS model is tailored for decentralized ventilation needs. It features a compact design that can be installed in various settings, allowing for flexibility in air management. The DCS technology ensures optimal performance with minimal energy consumption, making it an eco-friendly choice.

Overall, Lifebreath offers innovative solutions that cater to diverse residential ventilation needs. The integration of advanced technologies across their models ensures optimal air quality, energy efficiency, and user comfort, making them an excellent choice for health-conscious homeowners.