(BG)
18
3.
3.1 CR, CRI, CRN 1s, 1, 3, 5, 10, 15 20
3.2 CR, CRN 32, 45, 64, 90, 120 150
4.
Grundfos
CR, CRI, CRN
.
CR, CRI, CRN
CR, CRI CRN ,
.
CRN
CRN ,
.
, ,
, .
.
/ , -
,
- , .
5.
5.1
-
,
-,
.
.
- .
. 2 /
2 , IE3
70 °C 89 %
.
4750 ,
89 %
.
,
,
(0,89 x 0,89
= 0,79).
CR 3- 10 X- X- X- X- XXXX
: CR, CRI,
CRN
m
3
/h
CR 32- 2 1- X- X- X- X- XXXX
: CR,
CRN
m
3
/h
,
.
[kW]
[°C]
[m]
0,37 - 0,55
Grundfos
MG
- +40 1000
0,75 - 22
Grundfos
MG
IE3 +60 3500
30-75 Siemens IE3 +55 2750
TM03 2479 4405
.
[kW]
1
0,37 - 0,55 MG
0,37 - 22 MGE
20,75 - 22 MG
3 30-75 Siemens
40 °C
9. Поддръжка.
20 25 30 35 40 45 50 55 60 65 70 75 80
50
60
70
80
90
100
[%]
P2
2
1
t [°C]
1000 2250 3500 4750 m
3
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