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7
Installation
Installation
Pr
ocedure
10
mm
2
/s
10,000
Kinematic viscosity
coefficient
5,000
3,000
2,000
1,000
500
400
300
200
150
100
75
50
40
30
20
15
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
–10
0
10
20
30
40
50
60
–10
0
10
20
30
40
50
60
70˚C
20
30
40
50
60
Temperature
70
80
90
100
110 120
130 140 150 ˚F
10
20
30
40
50
60
Temperature
70
80
90
100
110 120
130 140 150 ˚F
68
46
32
22
10
5
2
ISO VG
Reference for Pipe Selection
Connection pipe diameter (Standard model)
Condition: ISO VG32, Viscosity: 200 mm
2
/s
∗
1: The above pipe size may not be applied to the unit, depending on the pipe specifications. For details, contact DAIKIN.
∗
2: Refer to the pipe resistance calculation formula.
Pipe resistance calculation method
To determine the oil pipe size, calculate it based on the following
formula:
Pipe resistance:
∆
P = 0.595 × V × Q × L/D
4
(For general hydraulic oil/lubrication oil)
∆
P: Pipe resistance (MPa)
V: Kinematic viscosity coefficient (mm
2
/s)
.....See “Viscosity vs.Temperature” chart.
Q: Flow rate (L/min)
L: Pipe length (m)
D: Pipe inner diameter (mm)
∗
For flow rate (Q), refer to “Oil pump discharge rate” in
“Model Identification and Specifications” on page .
Oil Inlet
Model
Connection pipe
AKZ149 • 329 • 439
Oil Drain
Oil Outlet
Rc3/4
Rc3/4
Rc1/4
Pipe size/maximum pipe length chart
Suction pipe (Hose inner diameter)
Unit: m
AKZ149
φ
19
Size (mm)
Model
φ
25.4
φ
31.8
φ
38.1
AKZ329
AKZ439
(15)
∗
1
(12)
∗
1
6.7
5.5
6.3
5.1
2.8
2.3
2.1
1.7
–
–
–
–
50 Hz
60 Hz
50 Hz
60 Hz
–
–
Discharge pipe
Unit: m
AKZ149
φ
12.7
φ
19
φ
25.4
φ
31.8
AKZ329
AKZ439
∗
2
∗
2
28
23
21
17
9
7
4.2
3.4
1.8
1.4
–
–
50 Hz
60 Hz
50 Hz
60 Hz
–
–
∗
For menu models, refer to “Model Identification and Specifications” on page .
Example of viscosity (Kinematic viscosity coefficient)
(1) In winter: 195 mm
2
/s (ISO VG32, Oil temperature: 5˚C)
(2) In summer: 29 mm
2
/s (ISO VG32, Oil temperature: 40˚C)
(2)
(1)
13
13
Size (mm)
Model
PIM00318A_EN.fm Page 7 Tuesday, October 26, 2010 12:37 PM