Armstrong, Humidifier, models:

AM-1000 Series	Installation And Operation Manual
AM-91A	Installation And Operation Manual
C-1801	Quick Start Manual
EHF-2	Installation And Maintenance Manual
EHU-700 Series	Installation And Maintenance Manual
EHU-750 Series	Technical Manual
EHU-800 Series	Installation And Operation Manual
EvaPack Series	Installation And Operation Manual
Gas Fired HumidiClean Series	Installation And Maintenance Manual
HumidiClean HC-4100 Series	Installation, Operation And Maintenance Instructions
HumidiClean HC-6100 Series	Installation & Operating Instructions Manual