Duke IRHU Series, Owner'S Manual, Page: 2 / 24

Installation and Operation of IRHU
2
TABLE OF CONTENTS
MANUFACTURER’S INTRODUCTION .............................................................................3
IMPORTANT SAFETY INSTRUCTIONS ...........................................................................4
SPECIFICATIONS .............................................................................................................5
MAIN FEATURES ..............................................................................................................8
IRHU-12, IRHU-22 & IRHU-23 Features ....................................................................8
IRHU-41 Features ......................................................................................................8
INSTALLATION .................................................................................................................9
UNPACKING UNIT .....................................................................................................9
UNIT PLACEMENT ....................................................................................................9
MINIMUM CLEARANCES ..........................................................................................9
EARTHING INSTRUCTIONS .....................................................................................9
EXTERNAL EQUIPOTENTIAL EARTHING TERMINAL (EXPORT ONLY) ................9
DIGITAL TIMERS ..............................................................................................................9
DIGITAL TIMER DIS PLAYS .......................................................................................9
OPERATING INSTRUCTIONS ........................................................................................10
PROGRAMMING MODE ..........................................................................................10
Settings .............................................................................................................10
SETUP MODE .......................................................................................................... 11
Settings ............................................................................................................. 11
CARE AND CLEANING ...................................................................................................12
CLEANING GUIDE AND CHECKLIST – DAILY .......................................................12
Procedure ..........................................................................................................12
Inspection Checklist ..........................................................................................12
TROUBLESHOOTING ....................................................................................................13
TESTING AND TROUBLESHOOTING GUIDE ........................................................13
Pan Status Keyboard Test .................................................................................13
Station Interface Unit Power ..............................................................................13
Service Hot-Line ................................................................................................13
PARTS LISTS AND EXPLODED VIEWS ........................................................................14
IRHU-12, IRHU-22 & IRHU-23 .................................................................................14
IRHU-41 ...................................................................................................................16
WIRING DIAGRAMS .......................................................................................................18
CUSTOMER ASSISTANCE .............................................................................................22