ROOM FAN COIL UNITS 42N
Four-way valve pressure drop
100
2
1
3
4
Pressure drop, kPa
10
1
0,1
0,01
0,10
1,00
Water flow, l/s
1
2
3
4
1/2" bypass, cold and hot
1/2" open, cold and hot
3/4" bypass
3/4" open
Notes:
Pressure drop values are based on a water temperature of 20°C.
For other water temperature values, use a correction factor of 0.4% per °C.
Air throw
42N
42N_S 15-E 19
42N_S 15-E 19
Two-pipe
Four-pipe
42N_S 20-E 29
42N_S 26
S 15-S 20-S 30-S 45
E 19-E 29-E 39-E 49-E 69
S 26-S 42-S
65
m
l/s
m3/h
m
l/s
m3/h
m
l/s
m3/h
m
l/s
m3/h
Speed 5
-
0.4
35.8
129
0.4
35.4
127
0.9
59.1
213
-
-
-
Speed 4
-
1.7
55.6
200
1.7
56.2
202
1.8
79.8
287
-
-
-
Speed 3
Speed 3
2.3
69.4
250
2.3
69.2
249
2.2
91.9
331
2.2
93.0
335
Speed 2
Speed 2
2.8
83.6
301
2.8
84.6
304
2.7
107.4
387
3.6
148.9
536
Speed 1
Speed 1
3.2
97.2
350
3.2
97.8
352
3.2
127.6
459
4.4
190.3
685
42N
42N_S 30-E 39
42N_S 42
42N_S 45-E 49
42N_S 65-E 69
S 15-S 20-S 30-S 45
E 19-E 29-E 39-E 49-E 69
S 26-S 42-S
65
m
l/s
m3/h
m
l/s
m3/h
m
l/s
m3/h
m
l/s
m3/h
Speed 5
-
0.5
97.1
350
-
-
-
0.8
145.6
524
0.8
145.6
524
Speed 4
-
2.1
126.0
454
-
-
-
2.9
185.3
667
2.9
185.3
667
Speed 3
Speed 3
3.2
153.2
552
3.0
147.5
531
4.6
223.6
805
5.1
236.9
853
Speed 2
Speed 2
4.3
181.8
654
5.4
221.7
798
6.4
276.7
996
8.0
330.8
1191
Speed 1
Speed 1
5.0
207.2
746
6.6
268.0
965
8.1
332.6
1197
10.2
421.9
1519
C
A
R
R
I
E
R
2
0
1
6
/
2
0
1
7
633
AIR TREATMENT
The air throw value gives the position where the air velocity is 0.2 m/s when the air is blown horizontally with the grille pointing
upwards. Air throw values are given as a guideline only, and change with room dimensions and furniture used in the room.
CONTROLS