9
∆
∆
∆
Table 2.4c Inverter Thermal Characteristics
Heat loss of
inverter
(Watts) at
full load*
H: Calori-
Metric value
of heat
radiated by
inverter.*
(K cal/hr.)
Q:
Necessary
ventilation
volume t
= 10°C
(ft³/min.)
S: Vent port
area
(Minimum
value (in²))
Minimum
surface area
in² steel
enclosure
without
venting 40°
Amb.
t=10°C
Minimum
surface area
in² plastic
enclosure
without
venting 40°
Amb.
t=10°C
Model
kW
CC-204
CC-404
0.4
35
30.1
6.1
2.3
1,085
1,550
CC-207
CC-407
0.75
40
34.4
7.1
2.3
1,131
1,767
CC-215
CC-415
1.5
60
51.6
10.7
2.8
1,689
2,650
CC-222
CC-422
2.2
70
60.2
12.5
3.4
1,968
3,100
CC-237
CC-437
4.0
135
116.1
23.6
11.5
3,782
5,983
CC-255
CC-455
5.5
190
163.4
37.6
15.3
5,349
8,418
CC-275
CC-475
7.5
240
206.4
42.5
20.0
6,760
10,620
CC-2110
CC-4110
11
310
266.6
54.6
25.6
9,612
13,736
CC-2150
CC-4150
15
453
389.6
80.0
37.5
14,050
20,062
CC-2220
CC-4220
22
673
578.8
118.9
55.8
20,868
29,813
∆
∆
∆
* Approximate values.