WEG CFW900, User Manual

Page: 19 / 125

English
INSTALLATION AND CONNECTION
Do not install heat sensitive components right above the inverter.
!
WARNING!
When one inverter is installed above another, use the minimum distance A + B, as shown in Figure
3.2 , and divert the hot air blown by the lower inverter from the upper inverter.
Provide conduit for physical separation of the signal, control, and power conductors (refer to Section
3.2 ).
b
3
c3
a3
e
3
d3
Øf3
b) Surface mount. c) Flange mount.
E
1
A1
F
1
C1
D1
B
1
a) External dimensions.
Máx. 3mm
Airflow
Øc2
a2
b
2
Airflow
Figure 3.1: External dimensions of the inverters
Table 3.1: External dimensions of the inverters
A1 B1 C1 D1 E1 F1 a2 b2 a3 b3 c3 d3 e3
Model
mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in] mm [in]
Frame A 145 [5.7] 245 [9.65] 222 [8.74] 65 [2.56] 269 [10.59] 333.5 [13.13] 115 [4.53] 250 [9.84] 124 [4.88] 120 [4.72] 120 [4.72] 138 [5.43] 228 [8.97]
Frame B 165.2 [6.5] 359.3 [14.15] 228 [8.98] 70.2 [2.76] 385 [15.16] 448.9 [17.67] 125 [4.92] 369.3 [14.54] 150 [5.9] 177.1 [6.97] 177.1 [6.97] 158 [6.22] 342 [13.46]
Frame C 200 [7.87] 430 [16.92] 294 [11.57] 136.4 [5.37] 460 [18.11] 519.3 [20.45] 150 [5.9] 425 [16.73] 175 [6.89] 210 [8.27] 210 [8.27] 188 [7.4] 405 [15.95]
Frame D
250 [9.84] 602 [23.7] 294 [11.57] 135 [5.31] 625 [24.6] 700 [27.56] 200 [7.87] 600 [23.6] 220 [8.66] 290 [11.41] 298 [11.73] 238 [9.37] 565 [22.24]
Frame E 335 [13.19] 620 [24.4] 358 [14.09] 169 [6.65] 675 [26.57] 763.4 [29] 200 [7.87] 650 [25.6] 275 [10.83] 318.5 [12.54] 318.5 [12.54] 316 [12.44] 620 [24.41]
*Tolerance of the dimensions d3 and e3: + 1.0 mm (+ 0.039 in)
*Tolerance of the other dimensions:
±
1.0 mm (
±
0.039 in)
12 | CFW900