Herrmidifier Herrtronic MDD User Manual
Page 2

Herrtronic
®
MDD 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
2
www.herrmidifier-hvac.com
TABLE OF CONTENTS
I. Preface ..............................................................................................................................................3
II. Unit Operation ...................................................................................................................................3
Product Diagram .........................................................................................................................3
III. Mounting Instructions .......................................................................................................................4
Mounting Location .......................................................................................................................4
Unit Dimensional Data ................................................................................................................4
IV. Plumbing Instructions ......................................................................................................................5
Bottom View – Plumbing Connections ........................................................................................5
Drain Diagram .............................................................................................................................6
V. Steam Distribution ............................................................................................................................7
VI. Supply Power ..................................................................................................................................7
Steam Output Chart ....................................................................................................................7
VII. MDD Control Circuit Connections ..................................................................................................7
Dependent Control ......................................................................................................................7
Independent Control ...................................................................................................................7
Electrical Compartment ...............................................................................................................7
VIII. Factory Wiring Between the Master and Slave Controls ...............................................................8
Dependent Controls ....................................................................................................................8
Independent Controls ..................................................................................................................8
IX. Turning the Master and Slave “ON” After Servicing the Unit ...........................................................8
X. Plumbing Components Diagram ......................................................................................................9
XI. Plumbing Components Parts List ....................................................................................................9
XII. Electrical Components Diagram .....................................................................................................10
XIII. Electrical Components Parts List ..................................................................................................10
XIV. Wiring Diagram (208/230/460) ......................................................................................................12
XV. Alternate Wiring Diagram (For units with 380 or 600 Volt Primary Circuits) ...................................14