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Pure Humidifier ERDDR Series, Installation Instructions, Operation And Maintenance Manual, Page: 1 / 24

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Pure Humidifier ERDDR Series Installation Instructions, Operation And Maintenance Manual Download Page 1

1

 

Deionized, Demineralized, or Reverse Osmosis Water

 

“ERDDR” Series

 

Electric Humidifier

 

 

Installation Instructions

 

—————————————————

 

Operation and Maintenance Manual

 

READ AND SAVE THESE INSTRUCTIONS

 

Form No: ERDOM

-

10

-

19

 

Our results are comforting

 

PURE HUMIDIFIER

® 

 

and INTAC

® 

are registered trademarks of PURE Humidifier Co.

 

Summary of Contents for ERDDR Series

Page 1: ...ter ERDDR Series Electric Humidifier Installation Instructions Operation and Maintenance Manual READ AND SAVE THESE INSTRUCTIONS Form No ERDOM 10 19 Our results are comforting PURE HUMIDIFIER and INTAC are registered trademarks of PURE Humidifier Co ...

Page 2: ...alified HVAC and electrical contractors and must be in compliance with local state federal and governing codes If installed improperly this product may cause damage to property severe personal injury or death as a result of electric shock burns and or fire Do not adjust any components inside humidifier control box without consulting the factory For indoor use only unless supplied with an Outdoor E...

Page 3: ...tput Capacity KW Humidifier Reservoir Weight Empty Full lbs hr kg hr lbs kg lbs kg ERDDR 1 3 1 4 1 42 19 70 31 4 ERDDR 3 9 4 1 3 42 19 70 31 4 ERDDR 5 15 6 8 5 42 19 70 31 4 ERDDR 6 18 8 2 6 42 19 70 31 4 ERDDR 7 21 9 5 7 42 19 70 31 4 Standard Water Unit Model No Unit KW 120V 208V 240V 480V 600V No of Heaters Heater KW Control Circuit Voltage ERDDR 1 1 8 3 4 8 4 2 2 1 1 7 1 1 0 24 vac ERDDR 3 3 2...

Page 4: ...cal Control Box Top View Drain Valve Right Side View Front View 1 1 2 Ø Steam Outlet Connection 1 4 NPT Fill Inlet Connection 3 4 NPT Drain Connection 9 375 23 8 7 375 18 7 16 75 42 5 12 375 31 4 14 625 37 1 11 00 27 9 16 50 41 9 ...

Page 5: ...rflow Outlet Humidifier Reservoir Immersion Heaters Drain Valve 1 4 NPT Fill Inlet Connection SCR Relay Heat Sink SCR Control Module Water Float Fill Valve Assembly Controls Cover Reservoir Cover Cover Gasket Low Water Float Switch ...

Page 6: ...ntative High Limit Humidistat PURE Humidifier Co recommends the use of a duct high limit humidistat to prevent humidifier operation when the duct humidity level exceeds 85 relative humidity Humidifier operation above 85 relative humidity can result in over saturation of the air stream High limit humidistats are available as optional equipment from your PURE Humidifier Co representative The high li...

Page 7: ...ter 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 The pan should be capable of draining at a rate of 3 gpm The pan should be drained to a sanitary drain Dr...

Page 8: ... clock position The hose connects to the injection tube and humidifier with stainless steel hose clamps by PURE Humidifier Co Galvanized steel duct plates are provided to seal the opening where the tube enters the duct Δ Typical ERDDR Series Electric Humidifier 3 4 SW Condensate drain line by others Δ Minimum water seal of 2 plus duct static pressure The water seal height may have to be increased ...

Page 9: ...up water line within 5 feet of humidifier fill valve connection If plastic pipe is used beyond this point a check valve is required to prevent steam from entering the plastic section in the event that the water treatment system runs out of water Cold or hot deionized demineralized or reverse osmosis water can be supplied to the humidifier A minimum water pressure of 35 psi 2 4 Bar should be mainta...

Page 10: ...f the humidifier If this visible steam comes in contact with any solid object walls beams machinery etc it may form condensate and drip Refer to Fig 3 and Table 4 Table 4 is located on page 10 for data on visible steam travel This will aid you in planning the location of the Blower Pack Remote Mounting The Blower Pack can be remote mounted up to ten feet away from the ERDDR humidifier see Fig 2 Bl...

Page 11: ...e steam discharge Rise is the vertical distance the visible steam travels from the steam discharge Objects in the direct line of the visible steam or objects that are cooler than the ambient temperature may accumulate condensation Note Data above based on 70 F room temperature 296 435 CFM Fan 120 1 60 2 17 amps 1 15 HP 17 7 3 4 Table 4 Left Side View Front View Optional Blower Pack Dimensions Fig ...

Page 12: ... may exist in the control cabinet Turn off the main power at the disconnect switch before verifying the electrical connections ______ 4 SAFETY CONTROLS The supply air duct RH high limit should be installed at least 10 feet downstream from the humidifier tube Any other control sensors should be at least 10 feet downstream from the humidifier tube Smoke detectors should not be installed downstream o...

Page 13: ... heater s should energize on a call from the humidistat ______ 10 Check operation of optional field installed safety switches airflow proving switch high limit humidistat etc to make sure that they turn the power off to the control circuit power The safety switches should shut off the humidifier contactor whenever one or more of the optional safety switches create an open circuit ______ 11 Check h...

Page 14: ...move the heater assembly and remove mineral deposits from floor of the humidifier reservoir Inspect for cracks or leaks It is normal for the hose to become hard and develop a set Replace as needed Cleaning Instructions Normally ERDDR reservoirs do not need to be cleaned when fed with high purity water If fed with low purity water reservoir cleaning may be needed The tank should be cleaned manually...

Page 15: ...onger 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 Plan View of Humidifier Section View of Gasket Gasket Bottom Notch here Bottom View of Gasket Notch gasket bottom only Gasket Top DO NOT NOTCH ...

Page 16: ...e Check transformer output Verify voltage across terminals 9 hot and 10 comm Verify that all safety controls are completing the safety circuit The level control circuit has interference or is damaged Mineral on low water float switch may be preventing the switch from opening on low water condition Consult factory if you are unsure of the source of the problem Verify voltage to and from humidity se...

Page 17: ...er Tool Requirements Torgue List Torque List Cover Bolts 18 inch pounds MAX Hose Cuff Screws 35 40 inch pounds MAX when hot Heater Nut 18 20 foot pounds Heater Electrical Terminal 35 inch pounds Use a pliers to hold heater sheath from twisting Cover Heater Fiber Gasket Heater Nut Electrical Terminal Nuts Metal Washer Heating Element Sheath Isolator Heater Assembly Sectional Detail ...

Page 18: ...17 Maintenance Notes Maintenance Notes Maintenance Performed Date By ...

Page 19: ...18 Maintenance Notes Maintenance Notes Maintenance Performed Date By ...

Page 20: ...19 ...

Page 21: ...mbly 09079 1 15 DDR Low Water Float Switch 15048 1 16 1 4 NPT Stainless Steel Coupling 07018 1 17 Overtemp Protection Switch 15047 1 18a TCM 188 12118 A 18b MPS 387 12112 A 19 Heater Contactor 12017 1 20 Primary Fuse Holder A A 21 Primary Fuse A 2 22 SCR Relay A 1 23 SCR Heat Sink A 1 24 Secondary Fuse Holder 12085 1 25 Secondary Fuse 12063 1 26 Step Down Transformer A 1 27 Time Delay Relay 12022 ...

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Page 24: ...products The Seller reserves the right to make reasonable changes in products specifications and performance of any kind without notice or liability The Seller also reserves the right to deliver revised designs or models of products against any order unless this right is specifically waived in writing by the Seller The Seller shall have no responsibility whatsoever with respect to changes made by ...

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