Daikin UATY09KY1 [44/87] Fan revolution speed

Daikin UATY09KTAL [44/87] Fan revolution speed
ED43-441 Fan Performance
Packaged Air Conditioners UATY-K Series 43
8.2 Fan Motor Specification
Motor : Totally enclosed fan-cooled motor.
Motor Pulley have to be changed when Air Flow Rate and the External Static Pressure are different from
factory setting.
8.3 How to Select Motor Pulley
Power Supply
Y1 · TAL ·
YAL
Y1 · TAL ·
YAL
Y1 · TAL ·
YAL
Y1 · TAL ·
YAL
Y1
Rated Motor Output 0.75 1.5 2.2 3.7 5.5
Shaft Outer Diameter : φ s (mm) 19 24 28 28 38
Shaft Length : Q (mm) 40 50 60 60 80
Keyway Width : W (mm)688810
Keyway Depth : U (mm) 3.5 4 4 4 5
Insulation Class : BBBBB
Key Width : b (mm)688810
Key Height : h (mm)67778
Shaft Hole Diameter : φ d (mm) 19 24 28 28 38
Keyway : B (mm)688810
Keyway Height : H (mm) 21.5 27 31 31 41
C
Lp
D
1
D
2
1. Select the fan revolution speed by air flow rate and external static pressure.
2. Select Motor Pulley by Fan Revolution Speed.
How to Select V-belt
D
1
D
2
N
2
N
1
=
A type ( Pitch Diameter) = Outer Diameter of Pulley - 9mm
B type ( Pitch Diameter) = Outer Diameter of Pulley - 11mm
D
1
: Pitch Diameter of Motor Pulley (mm)
D
2
: Pitch Diameter of Fan Pulley (mm)
N
1
: Revolution Speed of Fan Motor (rpm)
N
2
: Fan Revolution Speed
When changing the Motor Pulley, the Standard V- belt may not be used.
In that case, select V-belt in accordance with the following formula:
V-belt size ( Length)
Lp :
:
:
:
Effective Center Periphery Length (mm)
D
1
Pitch Diameter of Motor Pulley (mm)
D
2
Pitch Diameter of Fan Pulley (mm)
C Wheel Base (mm)
( D
1
-D
2
)
2
Lp = 2C + 1.57( D
1
+ D
2
) +
4C
Model Name
UATY06K
UATY08/09/10/12K
UATY15/18K
UATY21K
330
405
500
700
Y1, TAL, YAL
Wheel Base (C)
Note:
The unit of V-belt length (Nominal number) is usually shown in “inch”.
Relation between outer diameter and pitch diameter of each Pulley are as follows:
(P0022)

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