Stulz DAH - Table of Contents

Series GEN 2 Ultrasonic Humidifier IOM Manual
Table of Contents
Energy Efficient Ultrasonic Humidifier ..................................................................................................... 1
Introduction .............................................................................................................................................. 1
Safety ................................................................................................................................................ 1
Safety Summary ............................................................................................................................. 1
Specifications ................................................................................................................................. 3
General Design ..................................................................................................................................... 4
Main Parts ............................................................................................................................................ 4
Ultrasonic Nebulizer Unit ............................................................................................................... 4
Mist Outlet ...................................................................................................................................... 4
High Water Float Switch ................................................................................................................. 4
Low Water Float Switch .................................................................................................................. 4
Water Fill Valve Solenoid ............................................................................................................... 4
Water Supply Valve ........................................................................................................................ 4
Water Supply Tubing ...................................................................................................................... 4
Drain and Overflow Assembly ........................................................................................................ 4
Temperature Sensor ...................................................................................................................... 5
Solid State Relay ........................................................................................................................... 5
Level Controller .............................................................................................................................. 5
Booster Fan (Optional DAH-24/30 Only) ........................................................................................ 6
Mounting Rack (Optional) .............................................................................................................. 7
Installation ............................................................................................................................................... 8
Receiving the Equipment ...................................................................................................................... 8
Site Preparation .................................................................................................................................... 8
Mounting and Placement ....................................................................................................................... 10
Supply and Drain Piping ..................................................................................................................... 12
Main Power and Control Wiring ......................................................................................................... 13
Wire Sizing — Control Box to Humidifiers ................................................................................... 13
Connecting Humidifier(s) to Control Box ...................................................................................... 14
Single Humidifier .......................................................................................................................... 15
Multiple Humidifiers (Grouped) .................................................................................................... 15
Multiple Humidifiers/Optional Multi-Tier Mounting Rack (Grouped) ............................................. 15
Operation ............................................................................................................................................... 16
Purge the Water Line .......................................................................................................................... 16
Initial Operation Checklist ................................................................................................................... 16
Operation Procedure .......................................................................................................................... 16
Precautions ......................................................................................................................................... 17
Steps for Long Term Shutdown .......................................................................................................... 17
Maintenance .......................................................................................................................................... 18
Periodic General Maintenance ........................................................................................................... 18
General Maintenance ................................................................................................................... 18
Maintenance Items and Tools ............................................................................................................. 19
Electrical Parts ............................................................................................................................. 20
Float Switches .............................................................................................................................. 21
Water Tank ................................................................................................................................... 21
Water Supply Strainer/Flow Regulator ......................................................................................... 21
Troubleshooting and Repair ............................................................................................................... 22
Common Repairs and Parts Replacement .................................................................................. 24
Temperature Sensor on Water Tank............................................................................................. 25
Replacing a Transducer ............................................................................................................... 25
Replacing a Nebulizer Print Plate ................................................................................................ 22
Water Solenoid Valves, Float Switches and Level Control Board ................................................ 22
Fill Solenoid Valve ........................................................................................................................ 22
Drain Solenoid Valve ................................................................................................................... 23