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Centrifugal Upblast Exhaust Fan, Product # CUBE-240-LMD134GQD, 2639-8431 CFM

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Centrifugal Upblast Exhaust Fan, Product # CUBE-240-LMD134GQD, 2639-8431 CFM

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CFM Range

2639-8431
CFM

Mounting Location

Roof

Drive Package

No drive package included

34 x 34 inch base with prepunched mounting holes for easy attachment to roof curb
Multiple motor and drive options available to meet any performance and application need
30.5 x 30.5 inch recommended roof opening

Shipping Type:

Freight

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$2,500.75

In stock

4 on Hand

Free shipping

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CFM Range

2639-8431
CFM

Mounting Location

Roof

Drive Package

No drive package included

34 x 34 inch base with prepunched mounting holes for easy attachment to roof curb
Multiple motor and drive options available to meet any performance and application need
30.5 x 30.5 inch recommended roof opening

Shipping Type:

Freight

View other CUBE-240 products

Model CUBE is an aluminum exhaust fan specifically designed for roof or sidewall mounted applications where contaminated or grease laden exhaust air can be discharged directly upward, away from the roof or wall surface. The fans feature a one piece windband continuously welded to curb cap and double studded isolators for true vibration isolation. Ideal for new installations or for retrofit, replacement applications. Curb adapters and reducers available to eliminate the need to field fabricate transitions when there is an existing roof curb.

Centrifugal wheel provides high-efficiency and minimal sound
One-piece aluminum windband with rolled bead provides extra rigidity
Cooling fins located on top of fan wheel draw outside air through a large breather tube directly into the motor compartment extending motor life
Windband is continually welded to the curb cap and drain trough for leakproof construction
Roof or wall mountable
Permanent embossed aluminum nameplate for exact model and serial number identification

California Residents-

Prop 65 Warning

Specifications

Dimensions
Application
Construction Features
Motor Information
General

Base/Panel Length X Width

34 x 34 in

Curb Cap Size

34 in

Impeller Diameter

24 3/4 in

Roof Opening Width x Roof Opening Length

30 1/2 x 30 1/2 in

Base Height

1 3/4 in

Damper Width x Damper Height

24 x 24 in

Bearing Size

1 in

Height

33 7/8 in

Weight

126 lbs

Overall Diameter

42 3/4 in

Application

Exhaust General and Clean Air
Exhaust Grease-Laden Air

Housing Material

Spun Aluminum

Drive Type

Belt Drive

Impeller Type

Centrifugal Wheel

Impeller Material

Aluminum

Includes

Disconnect switch

Certifications

UL/cUL 705 Listed - Supplement SC - "Power Ventilators for Restaurant Exh. Appliances" (Formerly UL 762)
AMCA Sound & Air

Drive Package Description

No drive package included

Required Accessory

Roof curb for new roof installations

Motor Included

Shipping Type

Freight

Warranty Length

1 Year

Performance

CFM Range

2639-8431

FRPM Range

410-930

What do these terms (BHP, CFM, Sones, etc.) mean?

Motor HP	Max BHP	Max Fan RPM	Min Fan RPM	Ps (in. wg)	0	0.125	0.25	0.375	0.5	0.625	0.75	0.875	1	1.25	1.5
1/4	0.29	480	410	CFM	4352	3928	3370	2639	-	-	-	-	-	-	-
				Sones	8.2	7.4	6.8	6.4	-	-	-	-	-	-	-
				Bhp	0.26	0.28	0.29	0.27	-	-	-	-	-	-	-
1/3	0.21	430	410	CFM	3898	3389	2742	-	-	-	-	-	-	-	-
				Sones	6.9	6.3	5.8	-	-	-	-	-	-	-	-
				Bhp	0.18	0.2	0.21	-	-	-	-	-	-	-	-
1/3	0.39	530	430	CFM	4805	4436	3938	3403	-	-	-	-	-	-	-
				Sones	9.6	8.8	8	7.5	-	-	-	-	-	-	-
				Bhp	0.34	0.37	0.39	0.39	-	-	-	-	-	-	-
1/2	0.31	490	410	CFM	4442	4034	3491	2859	-	-	-	-	-	-	-
				Sones	8.4	7.7	7	6.6	-	-	-	-	-	-	-
				Bhp	0.27	0.29	0.31	0.3	-	-	-	-	-	-	-
1/2	0.59	610	490	CFM	5530	5198	4814	4388	3902	3156	-	-	-	-	-
				Sones	12.3	11.4	10.7	9.9	9.3	8.8	-	-	-	-	-
				Bhp	0.52	0.56	0.58	0.59	0.59	0.55	-	-	-	-	-
3/4	0.46	560	480	CFM	5077	4723	4265	3787	3181	-	-	-	-	-	-
				Sones	10.7	9.7	8.8	8.3	7.8	-	-	-	-	-	-
				Bhp	0.41	0.44	0.45	0.46	0.44	-	-	-	-	-	-
3/4	0.86	690	560	CFM	6255	5950	5673	5269	4901	4469	3991	-	-	-	-
				Sones	15.2	14.3	13.9	13.4	12.6	11.9	11.4	-	-	-	-
				Bhp	0.76	0.81	0.82	0.85	0.86	0.86	0.83	-	-	-	-
1	1.15	760	610	CFM	6890	6603	6373	6037	5684	5342	4951	4526	3555	-	-
				Sones	17.8	17	16.7	16.4	16	15.1	14.5	14	13.6	-	-
				Bhp	1.01	1.07	1.09	1.12	1.14	1.15	1.14	1.12	1	-	-
1 1/2	0.9	700	600	CFM	6346	6044	5779	5377	5018	4601	4141	-	-	-	-
				Sones	15.5	14.7	14.3	13.8	13.1	12.4	11.8	-	-	-	-
				Bhp	0.79	0.84	0.86	0.88	0.89	0.9	0.88	-	-	-	-
1 1/2	1.72	870	700	CFM	7887	7634	7420	7211	6888	6577	6288	5965	5616	4670	-
				Sones	21	20	19.9	19.5	18.9	18.1	17.6	17	16.6	16.1	-
				Bhp	1.52	1.59	1.62	1.65	1.68	1.7	1.71	1.72	1.71	1.62	-
2	1.1	750	690	CFM	6799	6510	6277	5928	5575	5221	4818	4388	-	-	-
				Sones	17.5	16.7	16.4	16.1	15.6	14.7	14.1	13.6	-	-	-
				Bhp	0.97	1.03	1.05	1.07	1.09	1.1	1.1	1.07	-	-	-
2	2.1	930	750	CFM	8431	8194	7985	7798	7536	7233	6953	6683	6375	5706	4324
				Sones	24	23	23	23	22	21	20	19.6	19	18.2	18
				Bhp	1.86	1.93	1.98	2	2.03	2.06	2.08	2.1	2.1	2.07	1.83

Motor HP	1/4			1/3			1/3			1/2			1/2			3/4			3/4			1			1 1/2			1 1/2			2			2
Max BHP	0.29			0.21			0.39			0.31			0.59			0.46			0.86			1.15			0.9			1.72			1.1			2.1
Max Fan RPM	480			430			530			490			610			560			690			760			700			870			750			930
Min Fan RPM	410			410			430			410			490			480			560			610			600			700			690			750
Ps (in. wg)	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp	CFM	Sones	Bhp
0	4352	8.2	0.26	3898	6.9	0.18	4805	9.6	0.34	4442	8.4	0.27	5530	12.3	0.52	5077	10.7	0.41	6255	15.2	0.76	6890	17.8	1.01	6346	15.5	0.79	7887	21	1.52	6799	17.5	0.97	8431	24	1.86
0.125	3928	7.4	0.28	3389	6.3	0.2	4436	8.8	0.37	4034	7.7	0.29	5198	11.4	0.56	4723	9.7	0.44	5950	14.3	0.81	6603	17	1.07	6044	14.7	0.84	7634	20	1.59	6510	16.7	1.03	8194	23	1.93
0.25	3370	6.8	0.29	2742	5.8	0.21	3938	8	0.39	3491	7	0.31	4814	10.7	0.58	4265	8.8	0.45	5673	13.9	0.82	6373	16.7	1.09	5779	14.3	0.86	7420	19.9	1.62	6277	16.4	1.05	7985	23	1.98
0.375	2639	6.4	0.27	-	-	-	3403	7.5	0.39	2859	6.6	0.3	4388	9.9	0.59	3787	8.3	0.46	5269	13.4	0.85	6037	16.4	1.12	5377	13.8	0.88	7211	19.5	1.65	5928	16.1	1.07	7798	23	2
0.5	-	-	-	-	-	-	-	-	-	-	-	-	3902	9.3	0.59	3181	7.8	0.44	4901	12.6	0.86	5684	16	1.14	5018	13.1	0.89	6888	18.9	1.68	5575	15.6	1.09	7536	22	2.03
0.625	-	-	-	-	-	-	-	-	-	-	-	-	3156	8.8	0.55	-	-	-	4469	11.9	0.86	5342	15.1	1.15	4601	12.4	0.9	6577	18.1	1.7	5221	14.7	1.1	7233	21	2.06
0.75	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3991	11.4	0.83	4951	14.5	1.14	4141	11.8	0.88	6288	17.6	1.71	4818	14.1	1.1	6953	20	2.08
0.875	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4526	14	1.12	-	-	-	5965	17	1.72	4388	13.6	1.07	6683	19.6	2.1
1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3555	13.6	1	-	-	-	5616	16.6	1.71	-	-	-	6375	19	2.1
1.25	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4670	16.1	1.62	-	-	-	5706	18.2	2.07
1.5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4324	18	1.83

Greenheck Fan Corporation certifies that the model shown herein is licensed to bear the AMCA Seal.
The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.
Performance certified is for installation type A: Free inlet, Free outlet.
Power rating (BHP/kW) includes transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: free inlet hemispherical sone levels.

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