Armstrong AM-91A Installation And Operation Manual

-92A, 93A; AMAF-91A, -92A, -93A; AMEF-91A, -92A, -93A; FSA-91A, -92A, -93A; VSA-91A, -92A, -93A direct area humidifi ers. Se- lection or installation of equipment should always be accompanied by competent technical assistance. We ...

header to the humidifi er as indicated in Fig. 2-1. Observe the following: A. Take steam supply line from the top of the supply main – never from the side or bottom. If several humidifi ers take steam from a single supply line, be sure to trap the end of the run-out with an Arm- strong Trap of suitable ...

the trap to the return header. It is important: A. To provide a dirt pocket ahead of the trap as shown in the drawings. B. To make sure the return header pressure is well below the steam supply pressure. Never connect a humidifi er trap to a line carrying returns from high pressure traps. Step 5. In ...

switch to control the fan motor has defi nite ad- vantages. The fan operates continuously during the heating season. The motors are oil less in all positions. Current consumption is low – 6 watts for all AMEF models. For FSA, VSA Models (See Figs. 3-4 & 3-5) A. Beware of Voltage Drop. If the wir ...

tegral fan units are preferable to steam jet units installed in conjunction with unit heaters. Since the unit heater fans are on or off to control temperature, it follows that the humidi- stat may call for steam when the nearest unit heater is nor running. With the low ceiling, the discharge fr ...

After passing through the Armstrong inline strainer, steam enters the cast iron steam- separating chamber. The use of cast iron as a separator is probably the single most important feature in the Armstrong humidi- fi er design. The preferred material of strength and durability, case iron gives Series 9000 humidifi er ...

When Temperature Switch is Employed simply set hu- midity controller at desired level, and turn on the steam. When Temperature Switch Is Not Employed deactivate operator control so that humidifi er control valve will remain closed. Then: A. Open steam supply valve, to bring humidifi er up to temperature. B. When dr ...

Armstrong Humidifi cation Group 816 Maple Street, Three Rivers, Michigan 49093 - USA Ph: (616) 273-1415 Fax: (616) 273-9500 www.armstronginternational.com Armstrong International, Inc. Limited Warranty and Remedy Armstrong International, Inc. (“Armstrong”) warrants to the original user of those products supplied by it and used ...