Herrtronic md accessories, Herrtronic md room distribution unit, Herrtronic – Herrmidifier Herrtronic MD Engineering Guide User Manual
Page 9: Md series
Herrtronic
®
MD Series
E n g i n e e r i n g G u i d e
9
www.herrmidifier-hvac.com
Model #
(1)
Electrical Characteristics
Capacity
RDU-D-1
(2)
208-240-1-50/60
5-50 lbs/hr
RDU-D-1T
(2)
480-600-1-50/60
RDU-D-2
(3)
208-240-1-50/60
60-100 lbs/hr
RDU-D-2T
(3)
480-600-1-50/60
Notes:
1. Condensate return required; ¼” O.D. tubing (20 feet provided)
2. One Steam Inlet
3. Two Steam Inlets. 100-100 lbs. with > 380V only
4. RDU can not be direct mounted on MDM units
•
Approximate dimensions: 17”W x 15.5”D x 10”H
•
Adjustable speed blower
•
Integral air proving switch
•
15 minute blower-off delay
•
Unit includes air proving switch
•
Supply and control power from humidifier
STEAM PLUME
(@75º F, 55% R.H.)
Output
lbs/hr
Throw (in.)
Blower Speed
Breadth (in.)
Blower Speed (CFM
Rise (in.)
Blower Speed (CFM)
1
(210)
2
(240)
3
(280)
4
(320)
5
(365)
1
(210)
2
(240)
3
(280)
4
(320)
5
(365)
1
(210)
2
(240)
3
(280)
4
(320)
5
(365)
100
126
138
156
60
60
48
120
50
25
90
136
144
156
58
52
46
72
36
20
80
130
138
156
48
42
40
52
24
16
70
126
132
138
42
40
36
36
20
12
60
120
126
130
134
36
34
28
28
58
30
14
6
50
112
112
116
120
120
40
36
36
36
30
36
22
12
6
40
98
92
90
94
100
36
36
36
32
26
18
12
5
30
90
80
75
70
60
28
26
24
24
24
10
20
50
35
30
35
35
20
20
18
18
18
10
10
15
15
15
Herrtronic MD Accessories
• Steam Distributor Pipe – constructed of 304 stainless
steel; available in 12” to 72”; for horizontal and vertical
installation; inherent pitch to return condensate to unit.
• Control Devices – duct or space application; “on/off,”
“proportional,” and “proportional + integral” available
when controls required for application
• CS Series distribution grids available for quick evapora-
tion distances.
• Steam Hose – 2-ply EPDM rubber; 1-1/2” or 2” I.D.
• “Y” Connector, EST-255 – convert single outlet unit to
accommodate two steam distribution pipes.
• Drain Pump – removes condensate when gravity drain
is not convenient.
• Condensate Separator, EST-250 – drain condensate
from low spots in steam hose between unit and steam
distributor
• Air Proving Switch – pressure differential switch; as-
sures airflow prior to unit operation
Herrtronic MD Room Distribution Unit