Herrmidifier Herrtronic MD - Manual (Page 2)

Herrtronic ® MD Series
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
SECTION I WARRANTY
Warranty ...............................................................................................................................................3
SECTION II UNIT OPERATION
Herrtronic MD: Basic Operation ............................................................................................................4
Types of Control ....................................................................................................................................5
SECTION III INSTALLATION INSTRUCTIONS
Allowable Operating Conditions ............................................................................................................6
Mounting ...............................................................................................................................................6
Plumbing ...............................................................................................................................................6
Supply Power ........................................................................................................................................7
Steam Distributor Pipes ........................................................................................................................8
Steam Distributoin for Ducted Systems ................................................................................................9
Controls ................................................................................................................................................10
Control Circuit Connections ..................................................................................................................10
External Off Switch ...............................................................................................................................11
Remote Alarm Output ...........................................................................................................................12
Unit Networking ....................................................................................................................................12
SECTION IV OPERATION INSTRUCTIONS
Operating Instructions ...........................................................................................................................13
Programming ........................................................................................................................................14
Start-up with Check List ........................................................................................................................16
Diagnostics ...........................................................................................................................................19
System Fault Conditions .......................................................................................................................20
Maintenance .........................................................................................................................................20
SECTION V TROUBLESHOOTING GUIDE
General Maintenance Notes .................................................................................................................22
Operating The Humidifier Without External Controls ............................................................................22
Unit Detected Faults: (Red “Service” Light On) ....................................................................................24
Non-Fault Indicated Problems ..............................................................................................................25
Troubleshooting Without Unit-Detected Faults .....................................................................................27
Output / Input of Terminal Strips and Terminal Block ............................................................................28