Greenheck Fan Ventilation Hood ERD User Manual

PN 453668  
READ AND SAVE THESE INSTRUCTIONS  
Models ERD/ESRMD/ESRMDF  
GREENHECK  
Direct Drive - Four Way Fans  
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410  
PH. 715-359-6171  
®
Exhaust/Supply/Recirculate/Mix  
Installation, Operation and Maintenance Manual  
G
Dimensional Data  
F
G
H
H
12"  
F
20"  
*
Low Leakage Control Damper  
Low Leakage Control Damper  
A Sq.  
20"  
*
A Sq.  
C
ACCESS DOOR  
DxE  
Access  
Door  
E
Control Damper  
C
D
OPTIONAL DIFFUSER  
OPTIONAL DIFFUSER  
5"  
OPTIONAL DIFFUSER  
5"  
B Sq.  
B Sq.  
Roof Opening  
Roof Opening  
Option: Plenum height can be increased in 12" increments.  
See page 4 of Four Way catalog.  
*
Model ERD  
Models ESRMD & ESRMDF  
Top Damper  
VCD-2120  
Recirc. Damper  
VCD-1020  
Access Doors  
Roof  
Opening  
Size  
A
B
C*  
D
E
1
1
24  
30  
36  
42  
48  
54  
40  
46  
52  
58  
64  
70  
32  
38  
44  
50  
56  
62  
58 /  
29x29  
35x35  
41x41  
47x47  
53x53  
59x59  
27w x 26h  
33w x 30h  
39wx 38h  
44w x 42h  
50w x 48h  
56w x 54h  
21  
20  
34 /  
2
2
2
2
2
2
2
1
63  
27  
33  
38  
44  
50  
20  
22  
36  
36  
36  
40 /  
5
1
71 /  
46 /  
8
3
1
75 /  
52 /  
4
5
1
82 /  
58 /  
8
1
91  
64 /  
Non-Filtered Hood  
Size ESRMD Hood Size ESRMDF Hood Size ERD Hood Size  
Filtered Hood  
Upblast Hood  
Approximate Unit Weights  
ESRDM ESRMDF ERD  
Alum Galv Alum Galv Alum Galv  
F
G
H
30  
32  
33  
361/2  
F
G
H
F
G
H
24  
30  
36  
42  
48  
54  
63  
75  
87  
99  
66  
74  
76  
86  
63  
75  
87  
99  
66  
78  
94  
30  
32  
33  
21/4 313/8 261/4 570 650 670 750 400 480  
31/2 373/8 303/8 760 900 860 1000 490 630  
41/2 433/4 333/4 1040 1200 1170 1330 715 875  
100 361/2 41/2  
50 381/2 1200 1400 1330 1530 850 1050  
111 100 361/2 111 112 361/2 51/2 561/4 41 1470 1700 1620 1850 1110 1340  
111 112 39 112 124 39  
51/2 633/8 45 1770 2000 1920 2150 1405 1635  
 
Routine Maintenance  
WARNING  
Disconnect and secure to the “OFF” position all electrical power to the fan  
prior to inspection or servicing. Failure to comply with this safety  
precaution could result in serious injury or death.  
Once the fan has been put into operation, periodic maintenance should be performed on the following items:  
1. Motors  
Greasing of motors is intended only when fittings are provided. Many fractional horsepower motors are  
lubricates for life and require no further lubrication. Motors supplied with grease fittings should be greased in  
accordance with the motor manufacturer's directions given on the motor nameplate.  
2. Removal of Dust and Dirt  
Model ESRMD fans require periodic cleaning to maintain proper air performance and reliability. Dirt left to  
accumulate on propeller blades may cause an unbalanced condition resulting in excessive vibration and  
premature failure of the fan.  
Dust and dirt should also be cleaned from the exterior surface of the fan motor and damper actuator(s). Dirt  
accumulation on the motor/actuator(s) can block ventilation holes and prevent proper cooling. Motors and  
actuators should never be sprayed directly with water, steam or solvents.  
3. Filter Maintenance (Model ESRMDF)  
Aluminum mesh filters should be cleaned on a regular basis for optimum fan efficiency. The frequency of  
cleaning depends upon the cleanliness of the incoming air.  
To remove filters in fan sizes 24-30, first remove the hood. This is accomplished by removing the two fasteners  
on one side of the hood and loosening the other two fasteners in the other side of the hood. Hinge the hood over  
onto the roof deck; DO NOT prop the hood up, the hood could come down accidentally causing injury. The filters  
can then be pulled from the slide-out racks.  
On sizes 36 to 54, access panels are provided in the ends of the hood which allow the filters to be removed  
without removing the hood.  
Filters should be washed with a mild detergent in warm water. After the filters are dry, an adhesive spray  
available at most filter distributors may be applied to increase filter efficiency.  
4. Fasteners  
Fan vibration has a tendency to loosen mechanical fasteners. Periodic inspection should include checking all  
fasteners for tightness. Particular attention should be paid to fasteners attaching the propeller to the motor shaft  
and the motor to the motor plate.  
5. Damper Plenum Linkage Adjustments  
Plenum dampers should open to 45o from closed position. Consult factory before adjusting damper linkages.  
3
 
Parts List  
Birdscreen  
or  
Filters  
Low Leakage Control Damper  
Low Leakage Control Damper  
VCD-2120  
VCD-1020 (2)  
ACCESS DOOR  
Fan Motor  
Damper Actuator  
Motor Plate  
Drive Frame Angle (2)  
Propeller  
Optional Diffuser  
Optional Diffuser  
Double Venturi Panel  
Model ESRMD & ESRMDF  
Warranty  
Butterfly Dampers (2)  
Greenheck warrants this equipment  
free from defects in material and  
workmanship for a period for one year  
from the purchase date.  
Any units or parts which prove to be  
defective during the warranty period  
will be replaced at our option when  
returned to our factory, transportation  
prepaid.  
Motors are warranted by the motor  
manufacturer for a period of one year.  
Should motors furnished by  
Greenheck prove defective during this  
period, they should be returned to the  
nearest authorized motor service  
station. Greenheck will not be  
responsible for any installation or  
removal costs.  
VCD-1020 (2)  
Fan Motor  
Control Damper  
Damper Actuator  
Motor Plate  
Drive Frame Angle (2)  
Propeller  
Double Venturi Panel  
Optional Diffuser  
GREENHECK  
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410  
PH. 715-359-6171  
®
Model ERD  
IOM ERD/ESRMD/ESRMDF FS  
Rev. 2  
4
September 1999  
 

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