Galletti S 831/6 [13/24] Steam operation
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Galletti S 831/6 [13/24] Steam operation

Galletti S 621/6 [13/24] Steam operation
13
41670713 - rev.02
All copying, even partial, of this manual is strictly forbidden
S 80
5 COOLING
The S 80 fan heaters, if equipped with a drip tray (accessory to be requested at order), may operate also with refrigerated water to cool environments
in summertime.
Minimum temperature of inlet water is 8°C.
Do not use the fan heaters in cooling mode at 1400 r.p.m. (4 poles) speed.
Determine the installation height according to the operation in heating mode using, if possible, anemometric or truncated cone diffusers for a better air
diffusion.
When operating in cooling mode the pressure drops, on water side, are obtained from the diagram on page 28, increased by 35%.
The tables below give the total cooling capacity as a function of the dry bulb water and air temperature; the air relative humidity is 55% for all the
values.
To obtain the capacity value with 700 r.p.m. (8 poles) operation, multiply the 6 pole capacity by 0.85.
Tw
1
/ Tw
2
Tbs
1
26°C 27°C 28°C 29°C 30°C 26°C 27°C 28°C 29°C 30°C 26°C 27°C 28°C 29°C 30°C
PFTPFTPFTPFTPFTPFTPFTPFTPFTPFTPFTPFTPFTPFTPFT
kW kW kW kW kW kW kW kW kW kW kW kW kW kW kW
610/6 2,30 2,44 2,60 3,12 3,27 2,14 2,30 2,44 2,75 2,92 1,98 2,14 2,30 2,44 2,60
611/6 2,53 2,69 2,86 3,44 3,61 2,36 2,53 2,69 3,03 3,22 2,18 2,36 2,53 2,69 2,86
620/6 3,05 3,23 3,44 4,13 4,34 2,83 3,05 3,23 3,65 3,88 2,62 2,83 3,05 3,23 3,44
621/6 3,40 3,61 3,85 4,62 4,85 3,17 3,40 3,61 4,08 4,33 2,93 3,17 3,40 3,61 3,85
630/6 4,49 4,76 5,07 6,09 6,39 4,18 4,49 4,76 5,38 5,71 3,86 4,18 4,49 4,76 5,07
631/6 5,12 5,42 5,78 6,94 7,28 4,76 5,12 5,42 6,13 6,51 4,40 4,76 5,12 5,42 5,78
810/6 6,12 6,49 6,92 8,30 8,71 5,69 6,12 6,49 7,33 7,78 5,26 5,69 6,12 6,49 6,92
811/6 6,90 7,32 7,80 9,36 9,83 6,42 6,90 7,32 8,27 8,78 5,94 6,42 6,90 7,32 7,80
820/6 7,43 7,88 8,40 10,08 10,59 6,91 7,43 7,88 8,91 9,46 6,39 6,91 7,43 7,88 8,40
821/6 8,21 8,71 9,28 11,14 11,69 7,64 8,21 8,71 9,84 10,45 7,06 7,64 8,21 8,71 9,28
830/6 9,49 10,06 10,73 12,87 13,52 8,83 9,49 10,06 11,37 12,08 8,16 8,83 9,49 10,06 10,73
831/6 10,81 11,46 12,21 14,65 15,39 10,05 10,81 11,46 12,94 13,75 9,29 10,05 10,81 11,46 12,21
840/6 11,49 12,18 12,98 15,58 16,36 10,69 11,49 12,18 13,76 14,62 9,88 10,69 11,49 12,18 12,98
841/6 12,45 13,20 14,07 16,88 17,73 11,58 12,45 13,20 14,91 15,84 10,71 11,58 12,45 13,20 14,07
1110/6 18,84 19,97 21,29 25,55 26,83 17,52 18,84 19,97 22,57 23,97 16,20 17,52 18,84 19,97 21,29
1120/6 22,98 24,35 25,96 31,15 32,71 21,37 22,98 24,35 27,52 29,22 19,76 21,37 22,98 24,35 25,96
8°C / 13°C
S 80
9°C / 14°C 10°C / 15°C
LEGEND
Tbs
1
Inlet air temperature D.B.
Tw
1
Inlet water temperature
Tw
2
Outlet water temperature
PFT Total cooling capacity
4 STEAM OPERATION
4.1 HEATING CAPACITY WITH STEAM OPERATION
LEGEND
Tbs
1
Dry bulb inlet air temperature
Tbs
2
Dry bulb outlet air temperature
P
vap
Steam pressure
T
vap
Steam temperature
PT Heating capacity
P
vap
/ T
vap
Tbs
1
PT Tbs
2
PT Tbs
2
PT Tbs
2
PT Tbs
2
PT Tbs
2
PT Tbs
2
kW °C kW °C kW °C kW °C kW °C kW °C
S 610/4 40,2 45,9 39,0 49,5 37,7 53,1 36,5 56,7 34,3 59,2 34,1 63,9
S 620/4 54,9 62,8 53,3 65,9 51,6 69,0 49,9 72,0 48,2 75,1 46,6 78,2
S 630/4 81,2 57,4 78,7 60,7 76,2 63,9 73,8 67,2 71,3 70,4 68,8 73,7
S 810/4 97,6 46,8 94,6 50,3 91,6 53,9 88,7 57,5 84,9 60,7 82,7 64,6
S 820/4 123,0 59,0 119,2 62,2 115,5 65,4 111,7 68,6 108,0 71,8 104,2 75,0
S 830/4 146,0 58,2 141,5 61,4 137,1 64,7 132,6 67,9 128,2 71,1 123,7 74,3
S 840/4 185,3 60,2 179,7 63,3 174,0 66,5 168,4 69,7 162,7 72,8 157,1 76,0
S 1110/6 221,4 53,9 214,6 57,3 207,9 60,6 201,1 64,0 194,4 67,3 187,6 70,7
S 1120/6 282,1 47,9 273,5 51,4 264,9 55,0 256,3 58,5 247,7 62,1 239,1 65,6
6 bar / 164°C
0°C 5°C 10°C 15°C 20°C 25°C
S 80

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