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I n s t a l l a t i o n , O p e r a t i o n , & M a i n t e n a n c e M a n u a l
Figure 11 - MDD Remote Mount
Figure 11 - MDD Remote Mount
VI. RDU OPERATION
Upon starting the Herrtronic unit, the RDU fan will be
energized. If airflow is not sensed within ten seconds, the
Herrtronic unit will shutdown and a fault will be registered.
Depress '"Fault" button to confirm fault condition and clear
fault by pressing "Enter" and then "Back" button to return
to Menu 1.
Output
Throw (in.)
lbs./Hr
Blower Speed (CFM)
1
2
(210)
(240)
(280)
10
20
15
20
50
35
30
90
80
40
98
92
50
112
112
116
60
120
126
70
126
80
130
90
136
100
126
To avoid potential contact with steam, be certain to shut off the Herrtronic unit BEFORE
H e r r t r o n i c
R D U - D S u p p l e m e n t
®
HERRTRONIC MD
STEAM PLUME (@75° F, 55% R.H.)
3
4
5
1
(320)
(365)
(210)
15
30
35
35
20
75
70
60
28
90
94
100
36
120
120
40
130
134
132
138
138
156
144
156
138
156
Figure 13 - Steam Plume Characteristics
! WARNING!
adjusting the louvers.
Once operating, the fan speed can be adjusted continuously
from 1—5 (slow—fast) by turning the fan speed control
knob. Refer to the chart below for the optimum fan speed
setting for your application.
When the Herrtronic unit is turned "off", either by switch
or controller, the RDU fan will continue to operate for 15
minutes to prevent the formation of condensate inside the
cabinet. The steam plume direction can be controlled both
horizontally and vertically by adjusting the louvers on the
air discharge grille.Louvers adjusted as shown in Figure
12 produce the most consistent and shortest evaporation
distance.
OPTIMUM LOUVER
DIRECTION, DOWN 30°
DRAIN
LINE
STEAM INLET UNION
(REMOTE MOUNT)
Figure 14 - Optimum Louver Placement
Figure 12 - Louver Details
Breadth (in.)
Blower Speed (CFM)
2
3
4
5
(240)
(280)
(320)
(365)
15
20
18
18
18
26
24
24
24
36
36
32
26
36
36
36
30
36
34
28
28
42
40
36
48
42
40
58
52
46
60
60
48
w w w. h e r r m i d i f i e r - h v a c . c o m
STEAM HOSE
Rise (in.)
Blower Speed (CFM)
1
2
3
4
(210)
(240)
(280)
(320)
10
18
12
6
36
22
12
6
58
30
14
36
20
52
24
72
36
120
50
BLOWER
5
(365)
6
12
16
20
25
7
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