1
Introduction
To the user of PURE Humidifier Co.’s
Electric Humidifiers
We at PURE Humidifier Co. thank you for choosing
one of our quality products. PURE Humidifier Co.’s
“ES” Series humidifiers are models of simplicity to
install, operate and maintain. However, they must
be maintained to provide maximum operating
efficiency.
PLEASE READ AND FOLLOW ALL
INSTRUCTIONS CAREFULLY. PROPER
OPERATION AND HUMIDITY CONTROL IS
POSSIBLE ONLY WITH PROPER
INSTALLATION AND MAINTENANCE.
The “ES” Series Humidifier utilizes a Tri-Probe
conductive type water control system, which is
designed for use with standard (hard or soft) tap
water. Use of demineralized, deionized or reverse
osmosis water will cause a failure of the water level
control system and void the warranty.
High chloride content in feed water can cause
chloride stress cracking and chloride pitting in
stainless components. Chloride stress corrosion
cracking (CSCC) and chloride pitting of stainless
steel components is not covered by warranty. Do
not use hydrochloric acid descalers or bleach to
clean the tank. Consult the factory if you are
unsure about which chemical descaler to use.
PURE Humidifier Co.’s “ESDDR” Series should be
installed on applications that require demineralized,
deionized or reverse osmosis water.
To ensure proper installation of this product, it must
be installed by qualified 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 installation only unless supplied with an
outdoor enclosure.
Table of Contents
Introduction 1
Capacity & Weights 2
Layout and Dimensions 3
Electrical Specifications 4
Mounting/Location 5-6
Hose Kit Installation 7
Steam Piping Examples 8
Water Supply Piping 9
Prestart-Up Procedure 10
Start-Up Procedure 11
Maintenance Instructions 12
Troubleshooting 13
Tool Requirements 14
Exploded Parts Drawing 15
Parts List 16
Maintenance Notes 17
Maintenance Notes 18
The PURE Humidifier Co. Warranty
PURE Humidifier Co. guarantees its products to be free from
defects in material and workmanship for a period of one year
from the date of shipment; provided the product is properly in-
stalled, serviced, and put into the service for which it was in-
tended.
PURE Humidifier Co. is obligated under the terms of this war-
ranty to the repair or replacement of the defective part(s), ex-
cluding any labor charges, or to refund the purchase price at our
option. PURE Humidifier Co. assumes no obligation for inci-
dental or consequential damages. The above provisions are in
lieu of all other guarantees, obligations, liabilities or warranties,
expressed or implied.
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