12 Appendix 1: Cut-out and hole sizes
Rittal air/water heat exchanger assembly instructions
31
EN
Fig. 40:
3373.XXX/3374.XXX
3
5
0
2
5
3
5
0
2
5
0
2
5
0
3
5
0
4
00
2
55
3
2.
5
9
5
0
920
1
5
1
45
1
45
26
4
.
5
3
2
5
33
0.
5
Min. 3
4
0
Max. 37
5
11
3
5
3
5
100
2
3
1
1
9
5
0
920
2
5
0
2
5
0
4
00
4
9
20.
5
1
5
91
4
0
1
1
Mounting cut-out for
external mounting
A
Mounting cut-out for
internal mounting
E
A
E
Ø 6.5 (4x for internal
and external mounting)
Water connections:
1
/
2
˝ hose
nozzle or G
3
/
8
˝ external thread
Condensate discharge
1
/
2
˝
1
2
3
A
E
