Technical Parameters Of Heaters With Two Exchangers - Dražice OKC 300 NTR/1MPa Operation And Installation Manual

1.3.2 TECHNICAL PARAMETERS OF HEATERS WITH TWO EXCHANGERS

TYPE
Tank capacity
Diameter
Weight
Operating hot service
water pressure
Operating heating
water pressure
Max temperature of
heating water
Max temperature of
hot service water
Upper exchanger
heat surface
Lower exchanger
heat surface
Lower/upper
exchanger
performance at
temperature drop
80/60 °C
Performance number
according to DIN
4708 upper
exchanger
Performance number
according to DIN
4708 lower
exchanger
Permanent HSW
performance* of
lower exchanger
Permanent HSW
performance* of
upper exchanger
HSW* heating time by
exchanger at
temperature drop
80/60 °C (lower/upper)
*HSW – Hot service water 45 °C
Table 2
OKC 300
NTRR/1MPa NTRR/1MPa
l 295
mm 670
kg 124
MPa 1
MPa 1,6
°C 110
°C 95
2
m 1
2
m 1,5
kW 35/27
NL 2,9
NL 4,2
l/h 1100
l/h 670
min 24/16
OKC 400 OKC 500
NTRR/1MPa
380 470
700 700
144 183
1 1
1,6 1,6
110 110
95 95
1,05 1,3
1,8 1,9
57/31 65/40
3,4 5,9
15,2 19,1
1395 1590
740 970
20/14 23/16
OKC 750 OKC 1000
NTRR/1MPa NTRR/1MPa
750 995
910 1010
245 315
1 1
1,6 1,6
110 110
95 95
1,17 1,12
1,93 2,45
60/33 76/32
6,2 7,1
21 26
1460 1490
815 780
37/28 43/37
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