Stulz DRH-04 - Default Chapter; Table of Contents

(April, 2013)
DRH Series GEN1 Ultrasonic Humidifi er Installation, Operation & Maintenance Manual
1.0 Introduction .......................................1-1
1.1 General ......................................................1-1
1.2 Safety .........................................................1-1
1.2.1 General ......................................................1-1
1.2.2 Safety Summary ........................................1-1
1.3 Product Warranty .......................................1-3
1.4 Specifi cations .............................................1-4
1.5 General Design ..........................................1-5
1.6 Main Parts ..................................................1-5
1.6.1 Ultrasonic Nebulizer Unit ...........................1-5
1.6.2 Mist Guide ..................................................1-5
1.6.3 High Water Float Switch ............................1-5
1.6.4 Low Water Float Switch .............................1-5
1.6.5 Fan ............................................................1-5
1.6.6 Air Filter ......................................................1-5
1.6.7 Water Fill Valve Solenoid ...........................1-5
1.6.8 Water Supply Valve ....................................1-5
1.6.9 Water Supply Tubing ..................................1-5
1.6.10 Drain and Overfl ow Assembly ....................1-5
1.6.11 Temperature Sensor ..................................1-5
1.6.12 Solid State relay .........................................1-6
1.6.13 Level Controller ..........................................1-6
2.0 Installation .........................................2-1
2.1 Receiving the Equipment. ..........................2-1
2.2 Site Preparation .........................................2-1
2.3 Mounting/Placement ..................................2-2
2.4 Supply and Drain Piping ...........................2-2
2.5 Main Power/Control Wiring ........................2-4
3.0 Operation ...........................................3-1
3.1 Purge the Water Supply Line .....................3-1
3.2 Initial Operation Checklist ..........................3-1
3.3 Procedure For Operation ...........................3-1
3.4 Precautions ................................................3-2
3.5 Steps for Long Term Shutdown ..................3-2
4.0 Maintenance/Repairs ........................4-1
4.1 Periodic General Maintenance ...................4-1
4.1.1 General ......................................................4-1
4.2 Maintenance Items and Necessary Tools ..4-2
TABLE OF CONTENTS
4.2.1 Air Filter ......................................................4-3
4.2.2 Water Supply Filter/Strainer .......................4-3
4.2.3 Electrical Parts ...........................................4-3
4.2.4 Float Switches ............................................4-4
4.2.5 Water Tank .................................................4-5
4.2.6 Mist Guides ................................................4-5
4.3 Troubleshooting and Repair .......................4-6
4.4 General Common Repairs/Parts
Replacement ..............................................4-8
4.4.1 Preparation For Repairs .............................4-8
4.4.2 Reassembling ............................................4-8
4.4.3 Replacing the Temperature Sensor ...........4-9
4.4.4 Replacing a Transducer ...........................4-10
4.4.5 Replacing a Nebulizer Print Plate ............4-11
4.4.6 Water Solenoid Valves, Float Switches and
Level Control Board .................................4-11
5.0 Product Support Group ....................5-1
5.1 Technical Support ......................................5-1
5.2 Obtaining Warranty Parts ...........................5-1
5.3 Obtaining Spare/Replacement Parts .........5-1
6.0 Drawings ............................................6-1
6.1 Layout Drawing of Humidifi er .....................6-1
6.2 Electrical Circuit Diagrams .........................6-2
List of Figures
Figure 1- Installation of Humidifi er .........................2-1
Figure 2- Locating the Humidifi er ..........................2-2
Figure 3- Water Inlet Filter Strainer ........................2-3
Figure 4- Piping Connections .................................2-3
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