2
3. Connection
3.1 Connecting Diagrams
■
Using a variable resistor
①
~
③
indicate terminal numbers for variable resistors.
Turn the knob right to increase air flow-static pressure.
Variable resistor : 200k
Ω
1/4W
with a linear resistance vs. angle curve
■
Using a fixed resistor
Fixed resistors that use relays or the like can also be switched.
R1+R2+R3=200k
Ω
(max.) 1/4W (min.)
3.2 Inside the terminal box
The recommended tightening torque for the terminal screws is 1.4N
･
m (14kgcm).
Recommended lead diameter
Power supply: AWG20 (0.5mm
2
), Ground: AWG18 (0.75mm
2
) min.
＜
Crimp style terminals that can be used
＞
●
Round terminal type with insulation
●
U-shaped terminal type with insulation
V1.25-4
AV1.25YS4A
(JAPAN SOLDERLESS TERMINAL MFG. CO., LTD.)
(JAPAN SOLDERLESS TERMINAL MFG. CO., LTD.)
or other equivalent product
or other equivalent product
φ
4.3mm (min.)
9mm(min.)
8
m
m
(max.)
9mm(min.)
4.3mm(min.)
8
m
m
(max.)
1
2
Line
Ground
Blue
V.R.
Blue
Lead for connecting
variable resistor
3
1
2
1
2
Line
V.R.
Ground
Blue
R1
R2
R3
Blue
1
2
3
Lead for connecting
variable resistor
1
2
3
12
3
Ground terminal (green)
Ｍ
4
×
8
Terminal screws
2-M4
×
12
4. Installation
Install the fan in locations that meet the following conditions.
・
Indoors (the product is designed and manufactured to be mounted in a machine.)
・
Ambient temperature
−
10
℃
(14°F)
〜＋
60
℃
(140°F) (Non-freezing)
・
Ambient humidity 0
〜
85% (Non-condensing)
・
No explosive, flammable, and/or corrosive gas.
・
No exposure to direct sunlight.
・
No splashing of water, or exposure to dust or debris.
・
No oil or grease, organic solvents, acid or alkaline chemicals.
・
No continuous vibration or excessive shock.
・
Insert a noise filter when there is a big noise source.
・
Installation category
Ⅱ
, Pollution degree 2, Class
Ⅰ
equipment (EN standard).
