Specifications

DRI-STEEM XT Electrode Steam Humidifier Installation, Operation, and Maintenance Manual • Page 49
Operation
Start-up checklist
The Vapor-logic4 Installation and Operation
Manual
is a comprehensive operation manual.
Refer to it for information regarding the
following features:
• Keypad/display and Web interface setup and
menu information
• Control input signals and functions
• Safety features
• Alarm screens and fault messages
The manual was shipped with your
humidifier and is available at our Web site:
www.dristeem.com
Your humidification system may not have all of the options listed
below. If an item does not apply to your system, skip to the next
item and continue the process.
☐ Before you start, read this manual and other information sent
with your humidifier.
☐ Verify that the field wiring is done per the instructions in this
manual and per the unit wiring diagram.
☐ Do not use demineralized, deionized, or reverse-osmosis water.
☐ Confirm that all wiring is correct per the wiring diagram.
☐ Confirm that proper grounding and an approved earth ground
are provided.
☐ Confirm that the water fill line was thoroughly flushed before it
was connected to the humidifier.
☐ Turn water supply on and confirm that the drain valve is
closed.
If the force of air exiting the water supply lines blows the fill
cup cap off during the first fill cycle, this is not a sign of defect
or a cause for concern; simply replace the fill cup cap after all
the air has exited the water line.
☐ Turn power on and confirm that the keypad/display is
illuminated.
☐ Confirm that the airflow switch is closed.
☐ If you choose not to use the airflow switch, jumper
AF and 24.
☐ If you choose not to use on-off duct high limit, jumper
24 and DHL.
☐ Confirm that the high limit humidistat input is closed or
that the variable air volume (VAV) control system high limit
transmitter is connected.
☐ With sufficient water in the steam cylinder, the airflow switch
closed, the high limit humidistat closed, the door interlock
safety switch closed, and a call for humidity, verify that the heat
outputs are activated.
☐ Confirm that cleaning procedure (Step 9 on facing page) has
been performed.
☐ If you experience difficulties, see “Troubleshooting” and
“DRI-STEEM Technical Support” on Page 53.