15
ENG
“heaterSteam” +0300080EN - rel. 1.0 - 27.04.2016
3. STEAM DISTRIBUTION
3.1 CAREL steam nozzles (SDPOEM00**)
Compact steam distributors for small ducts or applications such as steam
baths. They can be mounted either horizontally or vertically (steam
exhaust facing upwords).
Mounting instructions (see fi gure):
1. drill a series of holes in the wall of the pipe, using the drilling jig of
the distributor;
2. insert the distributor;
3. fasten the fl ange of the distributor using 4 screws.
31,5
50 50
31,5
50
31,531,5
57,5
100
C
C
B
AA
B
D
Fig. 3.a
Key:
A. steam inlet
B. condensate drain
C.
steam outlet
The hole dimensions vary depending on the distributor model:
• model SDPOEM0000: hole to be drilled manually,
up to 30 mm (1.2 in) diameter;
• model SDPOEM0012: hole diameter 12 mm (0.5 in);
• model SDPOEM0022: hole diameter 22 mm (0.9 in);
D. drilling jig
Note: if using steam hoses with an inside diameter of 30 mm (1.2 in),
remove the 22 mm (0.9 in) inlet section from the steam nozzle.
3.2 CAREL linear distributors for air ducts or
AHUs (DP***DR0)
The steam distributors for AHU or duct applications deliver steam along
their entire length in order to ensure the shortest not-wetting distance.
The distributor should be chosen based on the maximum required
capacity, the dimensions of the AHU/duct and the outlet diameter of
the humidifi er it is connected to. Install far from any obstacle (curves,
ramifi cation, section changes, grilles, fi lters, fans).
Minimum distance between distributor and obstacle: 1…1.5 m (3.3…4.9 ft).
Increase distance in case of:
1. increase in speed of the air in the duct;
2. turbulence decrease.
Mounting instructions (see fi gure):
• drill a series of holes in the wall of the pipe, using the drilling jig of the
distributor (found in the packaging of the distributor);
• insert the distributor with the steam outlet holes facing upwards;
• fasten the fl ange of the distributor using 4 screws.
B
Y
X
A
X
°2
L
5
4
3
2
1
9
6
8
Fig. 3.b
Key:
1. L-shaped mounting bracket (where applicable)
2. fl ange gasket
3. steam inlet (ØA)
4. condensate drain (ØB)
5. fl ange screw (see instructions sheet that comes with the distributor)
6. L = length (depending on the model of distributor, see paragraph
“Linear distributors” )
7. tilt angle (about 2 °) for condensate drain
8. diameter of the hole in the wall (ØY)
Size in mm (in)
linear distributors from CAREL
DP***D22R0 DP***D30R0 DP***D40R0
ØA 22 (0.9) 30 (1.2) 40 (1.6)
ØB 10 (0.4) 10 (0.4) 10 (0.4)
ØY 58 (2.3) 68 (2.7) 89 (3.5)
Ø 35 (1.4) 45 (1.8) 60 (2.4)
X 68 (2.7) 77 (3.0) 99 (3.9)
Tab. 3.a
Caution:
1. mount the distributor slightly tilted (at least 2°, to facilitate the
condensate discharge);
2. the L-shaped supports (see element 1 Fig. 3. b) is supplied with steam
distributors models from DP085* to DP205*. For shorter lengths the
bracket can be supplied as optional (code 18C478A088).
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