Herrtronic
®
RDU-D Supplement
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
3
www.herrmidifier-hvac.com
I. LIMITED WARRANTY
Seller warrants the equipment of its manufacturing to
be free from defects in workmanship and material for a
period of 24 months after shipment. This warranty is
limited, however, to the repair or replacement of defective
equipment, which is returned, freight prepaid, to Seller’s
factory.
This limited warranty does not apply to any part or
component that is damaged in transit or when handling,
has been subject to misuse, negligence or accident, has
not been installed, operated or serviced according to
Seller’s instructions, or has been operated beyond the
factory-rated capacity or has been altered in any way.
Seller’s liability is limited to replacement of defective parts
or components and does not include any cost of labor
(including, but not limited to, labor required to remove and/
or reinstall any defective part) other than Trion/Herrmidifier
factory labor.
Trion/Herrmidifier shall not be responsible for loss of use
of any product, loss of time, inconvenience, or damage
to other equipment, or any other indirect or consequential
damage with respect to property whether as a result of
breach of warranty, neglect, or otherwise.
THE WARRANTIES AND LIABILITIES SET FORTH ARE
IN LIEU OF ALL OTHER WARRANTIES AND
LIABILITIES, EXPRESSED OR IMPLIED, IN LAW OR
IN FACT, INCLUDING IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FORPARTICULAR
PURPOSE.
The foregoing shall constitute the total liability of seller
in the case of defective performance of all or any of the
equipment or services provided to Buyer. Buyer agrees
to accept and hereby accepts the foregoing as the sole
and exclusive remedy for any breach or alleged breach of
warranty by Seller.
II. GENERAL DESCRIPTION
The RDU-D Series Room Distribution Units are designed
as a companion module for all MD Series Herrtronic
humidifiers.
The RDU may be directly mounted on top of the Herrtronic
cabinet or mounted remotely. The RDU consists of a fan,
controls, & steam hose to distribute the steam directly into
the space. RDU-D must he remotely mounted when used
with an MDM series humidifier.
Figure 1 - Mounting Options
Model No
Electrical
Characteristics
Capacity
RDU-D-1
208-240-1-50/60
5-50 lbs/hr.
RDU-D-1T
480-600-1-50/60
RDU-D-2
208-240-1-50/60
60-100 lbs/hr.
RDU-D-2T
480-600-1-50/60
RDU-D-2R
208-240-1-50/60
110-250 lbs/hr.
RDU-D-2L
208-240-1-50/60
RDU-D-2TR
480-600-1-50/60
RDU-D-2TL
480-600-1-50/60
Note: 1T & 2T models include a transformer to provide
208/230 single phase power to the RDU.
Note: MDD Units require two RDU units. For Direct
Mount you must use a specific right and left mount unit.
For remote mount, two Identical units may be used.
For remote mounting applications, the plumbing and
electrical connections may be routed through the bottom
or back of the RDU. There are two electrical knockouts,
two steam supply knockouts and one condensate return
knockout on both the bottom and back to facilitate
installation.
