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Bulletin No. 544-I  8/06

www.

armstrong

international.com

Printed in U.S.A.

Armstrong 

Humidification Group

816 Maple Street, Three Rivers, Michigan 49093 – USA Phone: (269) 273-1415  Fax: (269) 273-9500

Additional Assistance

For more information, contact your local Armstrong Representative. Your local Representative will be able to supply you with
the following:

Humid-A-ware™ Software — For detailed information on customizing humidification schedules and calculating
non-wetting distances and humidification loads, refer to Armstrong’s Humid-A-ware humidification sizing and
selection software. It can be downloaded from Armstrong’s web site at www.armstrong-intl.com.

Humidification Solution Source Bulletin 596 — Provides information on different types of humidification methods
along with detailed description of Armstrong’s complete line of humidification products.

Video Tapes - It’s The Humidity — Part one is a video documentary covering the essentials of humidity and
outlining the primary reasons for humidity control. What is humidity? Relative humidity? What is dew point?
Enthalpy? How does evaporation affect comfort? How does humidity conserve energy? All of these questions in
practical and entertaining demonstrations.

Part two is a look at the four basic methods of large-scale humidification. Through animation, the tape discusses
the operation of evaporative pan, wetted element, water spray and steam humidifiers, and rates their ability to
meet efficiency, maintenance, controllability, sanitation and cost requirements.

Application Guidelines — Discusses specific humidity control problems and applications in a detailed
problem/solution format.

Installation and Maintenance — IB-52—Repair and adjustment for Honeywell MP 953-B, F. Also gives bonnet
seal replacement and stem adjustment.

Installation and Maintenance — IB-53—Repair and adjustment for Armstrong C-1801 Pneumatic operator. Also
gives start point adjustment, and valve and seat repair.

Installation and Maintenance — IB-61 — Armstrong A-5503 Pneumatic Temperature Switch application, operation
and installation.

Installation and Maintenance — IB-62 — Troubleshooting Guide for solenoid operated steam humidifiers. Tells
what to check for when valve will not open, close or the coil burns out.

Installation and Operation — Bulletin 549 — Humidifiers for Direct Area Humidification.

Limited Warranty and Remedy

Armstrong International, Inc. (“Armstrong”) warrants to the original user of those products supplied by it and used in the service and in the manner for which
they are intended, that such products shall be free from defects in material and workmanship for a period of one (1) year from the date of installation, but not
longer than 15 months from the date of shipment from the factory, [unless a Special Warranty Period applies, as listed below].  This warranty does not
extend to any product that has been subject to misuse, neglect or alteration after shipment from the Armstrong factory.  Except as may be expressly provided
in a written agreement between Armstrong and the user, which is signed by both parties, Armstrong 

DOES NOT MAKE ANY OTHER REPRESENTATIONS

OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR ANY
IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  

The sole and exclusive remedy with respect to the above limited warranty or with respect to any other claim relating to the products or to defects or any
condition or use of the products supplied by Armstrong, however caused, and whether such claim is based upon warranty, contract, negligence, strict liability,
or any other basis or theory, is limited to Armstrong’s repair or replacement of the part or product, excluding any labor or any other cost to remove or install
said part or product, or at Armstrong’s option, to repayment of the purchase price.  As a condition of enforcing any rights or remedies relating to Armstrong
products, notice of any warranty or other claim relating to the products must be given in writing to Armstrong: (i) within 30 days of last day of the applicable
warranty period, or (ii) within 30 days of the date of the manifestation of the condition or occurrence giving rise to the claim, whichever is earlier.  

IN NO

EVENT SHALL ARMSTRONG BE LIABLE FOR SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING, BUT NOT
LIMITED TO, LOSS OF USE OR PROFITS OR INTERRUPTION OF BUSINESS. 

The Limited Warranty and Remedy terms herein apply notwithstanding

any contrary terms in any purchase order or form submitted or issued by any user, purchaser, or third party and all such contrary terms shall be deemed
rejected by Armstrong.  

Special Warranty Periods are as follows:

Series EHU-700 Electric Steam Humidifier, Series HC-4000 HumidiClean Humidifier and 
GFH Gas Fired Humidifier with Ionic Beds: 

Two (2) years after installation, but not longer than 27 months after shipment from Armstrong’s factory.

Summary of Contents for AM-1000 Series

Page 1: ...alla loro taratura operativa PRODUCT DESCRIPTION PRODUKTBESCHREIBUNG DESCRIPTION DU PRODUIT DESCRIPCION DEL PRODUCTO PRODUKT OMSCHRIJVING DESCRIZIONE DEL PRODOTTO Armstrong International S A Parc Indu...

Page 2: ...twortung f r die Montage und Einstellung Pour le d pannage les m thodes de test la fr quence d entretien et la liste d taill e des pi ces de rechange veuillez vous r f rer la litt rature Armstrong ou...

Page 3: ...8 Multiple Manifolds 9 Pneumatic Piping for Air Operated Models 10 Wiring for Electrically Operated Models 11 Operation and Servicing 13 Page Table of Contents Steam humidifiers or other products shou...

Page 4: ...8 1 2 NPT 1 1 2 91 Size 511 16 2 1 1 11 4 17 8 1 2 NPT 1 3 4 92 Size 89 16 2 1 1 13 4 25 8 3 4 NPT 1 3 4 1200 Size 89 16 2 1 1 13 4 25 8 3 4 NPT 1 3 4 93 Size 91 16 2 15 8 15 8 21 8 31 8 11 4 NPT 11 4...

Page 5: ...istribution manifold into center of active air flow and as close to fan discharge as possible Fig 3 10 Always install distribution manifold as far upstream from a discharge air grille as possible neve...

Page 6: ...ngs indicated by dotted lines are furnished by installing contractor Dimensions and pipe sizes are given in Tables 8 1 and 8 2 on Page 8 Methods of Installing Humidifiers OR U Min N Min Manifold Drip...

Page 7: ...irt Pocket Trap Figure 5 2 Installation Method Where Vertical Manifold Installation is Required Dimensions and pipe sizes are given in Tables 8 1 and 8 2 on Page 8 Figure 5 1 Installation Detail for H...

Page 8: ...el 90 Union Ell Models 91 94 and 1200 1400 Manifold Manifold Escutcheon Plate Manifold Coupler Nut with Washer and O Ring Figure 6 2 Components Furnished as Part of a Standard Single Manifold Installa...

Page 9: ...93 1300 11 4 NPT 1 NPT 23 8 83 4 94 1400 2 NPT 2 NPT 31 2 10 Manifold Pipe Adaptor Steam Inlet Connection B A Steam Jacket Connection Manifold Figure 7 2 Connection size and dimensions of manifold wit...

Page 10: ...r nut See Figure 9 1 STEP 8 Install Drip Leg and Armstrong Inverted Bucket Steam Trap Connect to low pressure return NEVER connect to return line carrying condensate from high pressure traps Table 8 1...

Page 11: ...kets are not trapped separately Note The humidifier steam inlet is below the bottom manifold If the bottom manifold is below the humidifier inlet piping should be as in Figure 9 3 Note When steam supp...

Page 12: ...ns for shutdown on power failure or other system trouble Interlock should be such that the valve will go to the closed position on a system shutdown rather than be locked in its position at time of sh...

Page 13: ...ntil the humidifier reaches steam temperature Auxiliary Controls for All Models Hi Limit Duct Humidity Controller An enclosed switch type high limit humidistat is recommended in the duct at least 10 f...

Page 14: ...age Figure 12 1 Wiring diagram for BLEM or BNVEM Series Humidifiers Using Armstrong 0 10 VDC Humidistats A9023 Pressure Switch Optional Armstrong 0 10 VDC Stat A18609 or A18610 B1564 Electric Temperat...

Page 15: ...tor control so that humidifier control valve will remain closed Then A Open steam supply valve to bring humidifier up to temperature B When drain line from humidifier is at steam temperature activate...

Page 16: ...ngth In 1 8 1 4 1 2 3 4 1 1 24 31 44 54 62 11 4 52 68 97 120 140 11 2 81 100 150 180 210 2 160 210 300 370 430 21 2 270 350 500 610 710 Table 14 3 Steam Pipe Capacity at 15 psi Pressure drop psi per 1...

Page 17: ...ioned horizontally use a spirit level Manifolds longer than one foot should be supported When supporting the manifold on the far end allow for manifold expansion and contraction of 1 2 1 Continue inst...

Page 18: ...Armstrong International Inc Armstrong warrants to the original user of those products supplied by it and used in the service and in the manner for which they are intended that such products shall be...

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