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Flow rate and pressure drop for valve + coil:
Nominal water
IORZ UDWH PñK
KV valve
¨P (Pa) Valve
only (mWC)
¨P (Pa) Valve +
coil (mWC)
Maximum permitted differential pressure on cold water valve:
KV
¨P max. Three-way valve
¨P max. Two-way valve
11.1.4 Filter
G4 filters:
Thickness: 48 mm
Efficiency: 90% gravimetric
Filtering surface: 2 x the face area
Fire rating: M1
Dimensions
Number
Thickness
G4 (mm)
Thickness
F7 (mm)
Pressure drops - clean filters:
Flow rate (m³K
¨P (Pa) G4
¨P (Pa) F7
Filter fouling is measured by a pressure sensor located in the electrics box.
It is set to 1.5 times the value for the filter when clean (pressure ports upstream and downstream of the filter).
11.1.5 Standard control elements:
(Factory cables)
- Intake temperature sensor.
- Differential pressure sensor: when attached to the electrics box, this allows the difference in pressure upstream and downstream
of the filter to be measured, so as to determine whether the filter is fouled.
- Water leak sensor: this is found at the end of a wound cable located at the bottom of the unit so that it is long enough to extend
downwards into a raised floor, if required, and to be positioned in the area to be monitored.
It can be added on request.
No. of rows
W40
4 rows
7.02
6 rows
-
16
4 rows
2
6 rows
-
4 rows
6.5
6 rows
-
W40
W53
16
300
1200
1200
F7 filters:
Thickness: 48 mm
Efficiency: 85% opacimetric
Filtering surface: 17 x the face area
Fire rating: M1
W40
W53
1192x600
1192x600
1192x360
1192x360
1
1
1
2
48
48
48
48
W40
W53
10 000
13 300
52
57
140
150
CHILLED WATER
W53
9.65
-
16
3.7
-
9.2
-
W78
16
25
300
300
1000
CHILLED WATER
W78
1192x600
3
48
48
CHILLED WATER
W78
18 800
52
140
EN - 13
W78
W100
13.6
17.6
-
-
25
40
3
2
-
--
9
6.9
-
-
W100
40
260
260
W100
1192x600
1140x450
4
48
48
W100
24 500
50
130
X0039,03.2015
W115
20.2
24.7
EN
40
2.6
3.9
4.9
7.2
W115
40
260
260
W115
6
48
48
W115
27 500
69
120
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