Danfoss DHP-A Panduan Petunjuk Instalasi - Halaman 13
Jelajahi secara online atau unduh pdf Panduan Petunjuk Instalasi untuk Unit Kontrol Danfoss DHP-A. Danfoss DHP-A 15 halaman. Outdoor unit
Juga untuk Danfoss DHP-A: Instruksi Instalasi (6 halaman)
Halaman Cetak
3.3
Discharge pipe arrangement
DD B D
The tundish must be positioned away from any electrical devices .
D D
DD
The tundish must be installed so that it is visible to the occupants .
Figure 7.
The principal installation solution of the discharge pipe assembly.
Position
Name
1
Safety device (for example, temperature relief valve)
2
Metal discharge pipe from safety device to tundish
3
Tundish
4
Discharge pipe from tundish, with continuous fall (1 in 200)
5
Discharge below fixed grating
6
Trapped gully
Sizing of copper discharge pipe (4) for common temperature relief valve outlet sizes
Minimum
Valve
size of dis-
outlet
charge pipe
size
(2)
G1/2
15 mm
G3/4
22 mm
G1
28 mm
1
2
600 mm maximum
300 mm minimum
Minimum size of
discharge pipe (4
from tundish)
22 mm
28 mm
35 mm
28 mm
35 mm
42 mm
35 mm
42 mm
54 mm
3
4
Maximum resistance allowed,
expressed as a length of
straight pipe (that is, no
elbows or bends)
Up to 9 m
Up to 18 m
Up to 27 m
Up to 9 m
Up to 18 m
Up to 27 m
Up to 9 m
Up to 18 m
Up to 27 m
5
6
Resistance created by
each elbow or bend
0 .8 m
1 .0 m
1 .4 m
1 .0 m
1 .4 m
1 .7 m
1 .4 m
1 .7 m
2 .3 m
Appendix UK – 13