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READ AND SAVE THESE INSTRUCTIONS
Deionized, Demineralized, or Reverse Osmosis Water
"ERDDR" Series
Electric Humidifier
Installation Instructions
—————————————————
Operation and Maintenance Manual
Our results are comforting
®
®
PURE HUMIDIFIER
and INTAC
are registered trademarks of PURE Humidifier Co.
1
Form No: ERDOM-10-19
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Table of Contents
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Summary of Contents for Pure Humidifier ERDDR Series
- Page 1 READ AND SAVE THESE INSTRUCTIONS Deionized, Demineralized, or Reverse Osmosis Water “ERDDR” Series Electric Humidifier Installation Instructions ————————————————— Operation and Maintenance Manual Our results are comforting ® ® PURE HUMIDIFIER and INTAC are registered trademarks of PURE Humidifier Co. Form No: ERDOM-10-19...
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Page 2: Table Of Contents
To the user of PURE Humidifier Co.’s Electric Table of Contents Humidifiers Introduction We at PURE Humidifier Co. thank you for choosing one of Capacity & Electrical Specifications our quality products. PURE Humidifier Co. Electric Series Dimensions & Layout Humidifiers are models of simplicity to install, operate, and Humidifier Layout maintain. -
Page 3: Capacity & Electrical Specifications
Capacity & Weights Electrical Specifications Capacities & Weights Humidifier Reservoir Weight Standard Steam Output Capacity † Empty Full Water Unit Model No. lbs/hr kg/hr ERDDR-1 31.4 ERDDR-3 31.4 ERDDR-5 31.4 ERDDR-6 31.4 ERDDR-7 31.4 † The above capacities are based on 100% nominal efficiency. Actual humidifier capacity may vary due to the heat loss from the humidifier reservoir. -
Page 4: Dimensions & Layout
Dimensions & Layout 1 1/2”Ø Steam Outlet Connection 11.00” (27.9) 16.50” (41.9) Top View Electrical Control Box 1/4”-NPT Fill Inlet 7.375” Connection (18.7) 16.75” (42.5) 9.375” Drain Valve (23.8) 3/4”- NPT Drain Connection 12.375” (31.4) 14.625” (37.1) Front View Right Side View... -
Page 5: Humidifier Layout
Humidifier Layout Controls Cover SCR Relay & Heat Sink SCR Control Module Reservoir Cover Cover Gasket Water Float Fill Valve Assembly Low Water Float Switch Immersion Heaters Humidifier Reservoir 1/4”-NPT Fill Inlet Connection Drain Valve Drain & Overflow Outlet... -
Page 6: Location
CAUTION: Do not humidify upstream of filters. Consult factory. Location of Controls Fan Interlock Switch PURE Humidifier Co. recommends the use of an airflow proving switch or fan interlock to prove airflow prior to humidifier cooperation. Humidifier operation without airflow will result in over-saturation of the air stream. -
Page 7: Drain Pan Mounting
However, if the humidifier and injection tube are located in an area that contains valuable equipment or is a water sensitive area, PURE Humidifier Co. recommends the addition of a drain pan under the humidifier and under the injection tube. The drain pan should extend past all edges of the humidifier and if installed in the duct, it should extend a minimum of 3 feet (91 cm) downstream from the injection tube. -
Page 8: Injection Tube And Flexible Hose
3/4” SW Condensate drain line (by others) The hose connects to the injection tube and humidifier with stainless steel hose clamps (by PURE Humidifier Co.). Open Sanitary Δ Minimum water seal of 2” plus duct Galvanized steel duct plates are provided to static pressure. -
Page 9: Piping
Use of mineralized tap water will cause fill condensate pump rated for 212°F water or contact a valve failure and will void the humidifier warranty. PURE Humidifier Co. representative to purchase one. Install stainless pipe on makeup water line within 5 feet of humidifier fill valve connection. -
Page 10: Blower Pack
Blower Pack Optional Blower Pack Locating Blower Pack In applications where a ducted air system is not The distance that visible steam will travel after available, PURE offers the optional Blower Pack. leaving the Blower Pack is dependent upon the Blower Pack contains... - Page 11 Blower Pack Locating Blower Pack The distance that visible steam will travel after leaving the Blower Pack is dependent upon the relative humidity in the room and the capacity of the humidifier. If this visible steam comes in contact with any solid object (walls, beams, machinery, etc.) it may form condensate and drip.
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Page 12: Pre-Startup Checklist
Pre-Startup Checklist Pre-Startup Checklist Before starting the “ERDDR” PURE Humidifier Co. Electric Humidifier, check the following installation items: ______ 1. MOUNTING - Verify that the humidifier evaporating chamber is securely supported and that the evaporating chamber is level in both directions. If humidifier is installed above equipment or not located near a floor drain than a drain pan should be installed below the humidifier steam generator. -
Page 13: Non-Intac ® Start-Up Procedure
® Non-INTAC Start-Up Procedure Start Up Procedure ______ 1. Close the humidifier manual ball valve. ______ 2. Turn the controlling humidistat to the lowest setting (no call for humidity). ______ 3. Open the water supply on/off isolation valve (by others) and allow the humidifier evaporating chamber to fill to the proper level. -
Page 14: Maintenance & Cleaning Instructions
DO NOT use Hydrochloric acid-based de-scalers; this will corrode stainless steel. PURE Humidifier Co. recommends the use of a vinegar, citric acid, diluted phosphoric acid or diluted nitric acid-based cleaner. Follow all precautions on the cleaner packaging. -
Page 15: Cover Gasket Replacement Instructions
Cover Gasket Replacement Instructions Installation Remove cover. Fit the gasket around the entire lip of the tank opening. Cut the gasket 1/8” longer than required, this will ensure proper fit when the cover is clamped back on. Slide the gasket onto lip of tank around the entire perimeter, and seal the ends together with a small amount of silicone. -
Page 16: Troubleshooting
Troubleshooting Recommended Action Problem Possible Cause Check and replace. Humidifier will not heat Blown heater fuse(s) Check transformer output. Control transformer not Verify voltage across terminals #9 (hot) and #10 producing 24 vac control (comm). voltage Verify that all safety controls are completing the Safety controls open safety circuit. -
Page 17: Tool Requirements & Torque List
Tool Requirements & Torgue List Recommended Maintenance Tool List 7/16” Wrench 5/16” Nut Driver or Socket 11/32” Nut Driver or Socket 5/32” Nut Driver or Socket Pliers Flat head screwdriver Wire stripper Wire crimper Torque List Cover Bolts 18 inch/pounds MAX Hose Cuff Screws 35-40 inch/pounds MAX when hot Heater Nut... -
Page 18: Maintenance Notes
Maintenance Notes Maintenance Notes Maintenance Performed Date... - Page 19 Maintenance Notes Maintenance Notes Maintenance Performed Date...
- Page 21 PURE Humididfier Co. "ERDDR" Series Parts List & Two Year Recommended Spare Parts Item No. Description Part No. Rec. Per Unit SpareQty ERDDR Reservior Assembly 97043 ERDDR Reservior Cover Assembly 97042 Cover Gasket 15520 Immersion Heating Element(s) Cover Clamp 15930 Cover Clamp Screws 15522 10-24 U-Nut...
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- Page 24 DISCLAIMER Product Changes: Changes in products may be required from time to time due to factors beyond the Seller’s control, or the need for continuing improvement of products. The Seller reserves the right to make reasonable changes in products, specifications and performance of any kind without notice or liability.
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