5
Safety Precautions
CAUTION
Do not use the product in conditions other than specified. (See page 8.)
May cause unexpected accidents by impeller damage or motor burnout.
Securely connect the cable of the power source.
Poor cable connection may cause connectors to overheat and result in fire.
Install and fix the cable of the power source certainly.
If the cable coating is broken due to friction caused by shaking, it may cause an electric shock or fire.
Follow the connecting diagram to connect power supply certainly.
Motor burnout or other phenomena may cause unexpected accidents.
Eyes should not be faced to the outlet opening. (specially when the fan starts.)
Any flying substance may get into the eyes.
Securely mount the product using the specified procedure.
If the product falls, it may result in personal injuries.
Any obstacles should not be placed near the inlet or outlet opening.
May cause injury by blowing or sucking the obstacle.
Don't operate with the wheel to which much dust has been adhered.
May cause wheel breakage or motor burnout.
Do not install the main body and indoor air supply entrance at the place with harmful gas of Acid /
Alkali / organic solvent / paint etc., gas including corrosive substance (chemical factory, facility for
research, etc.)
The poison, erosion on internal main body, quality drop from gas may occur and cause fire.
Do not install the fan vertical or to the up-and-down contrary.
May cause damage to wheel or motor.
Don't operate by Inverter control.
May cause wheel breakage or motor burnout.
Must not disassemble or reconstruct this product.
It may cause fire, electric shock or injury.
Be careful not to drop the terminal cover or parts removed from the fan when inspection.
May cause injury.
Be careful of the dropping dusts and watch your steps during maintenance.
May cause injury.
The fan may rotate because of the wind inside the duct, even after power supply is switched off. Make
sure that the fan has stopped actually before inspection.
May cause injury if being caught into the rotating section.
Names and Dimensions of Component
(Position of Model No.)
304
FY-25DSF2NET
unit : mm
unit : mm
280
2-
Ø
12
30
30
Power cord
Effective length : about 900mm
260
115
1
1
4
8 3 5 2
6
7
4
3 5
2
6
7
Air flow
Air flow
Position of Model No.
(For hanging application)
(Outer diameter)
Ø
198
Ø
250
Ø
280
(Hole pitch of hanger fittings)
FY-28DSM2NET FY-35DSM2NET FY-40DSL2NET FY-40DSH2NET FY-40DTL2BET
FY-40DTH2BET FY-45DST2NET FY-45DTT2BET FY-45DTH2BET
No.
1
2
3
4
5
6
7
Model number
FY-28DSM2NET
FY-35DSM2NET
FY-40DSL2NET FY-40DSH2NET FY-40DTL2BET FY-40DTH2BET
FY-45DST2NET FY-45DTT2BET FY-45DTH2BET
A
350
410
480
540
B
197
206
206
218
C
22
21.5
26
25.5
D
248
298
347
395
E
400
460
525
588
F
366
426
491
554
G
350
415
480
546
H
M8
M8
M8
M10
I
32
32
32
34
J
9
9
9
11
Parts name
Casing A
Casing B
Motor
Wheel
Guide vanes
Hanger fittings
Drain gum
Q'ty
1
1
1
1
4
2
1
Material
Steel
Steel
-
Alminum
Steel
Steel
Gum
No.
1
2
3
4
5
6
7
8
Parts name
Casing A
Casing B
Motor
Wheel
Guide vanes
Hanger fittings
Terminal cover
Drain gum
Q'ty
1
1
1
1
7
4
1
1
Material
Steel
Steel
-
PP or Steel
Steel
Steel
Steel
Gum
E
F
(Hole pitch of hanger fittings)
A
C
C
20
Ø
G
Ø
D
I
K
17
J
T-shape notch for 4-H
Gum Grommet for power cord
(Outer diameter)
Position of Model No.
Detail of hanger fittings
(For hanging application)
B
(Hole pitch of
hanger fittings)
K
9
9
9
11
