29
CRUV INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
If an item in the Start-up checklist below does not apply to your system, skip to
the next item and continue the process.
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Read this manual and all other information that was provided with your
humidifi er.
☐
Verify that all fi eld wiring is done according to the instructions in this
manual and in the humidifi er wiring diagram.
☐
Confi rm that the input signal is consistent with the Vapor-logic controller's
expected input signal. Input signals are listed in the Vapor-logic Setup
menu. See “Installation Step 2: Setup” in the
Vapor-logic Installation and
Operation Manual.
☐
Turn on the water supply, and confi rm that the drain valve is closed.
☐
Turn on power to the humidifi er, and confi rm the Main menu is displayed
on the keypad/display. The display may take several seconds to appear as
the controller powers up.
☐
Confi rm in the Main Menu that the mode is “Auto” and that tank status is
“Filling.”
☐
When “Filling” appears in main menu, confi rm that the tank is fi lling with
water.
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In the Status screen, confi rm that the Duct Airfl ow Switch is closed.
☐
In the Status screen, confi rm that the high limit humidistat input is closed or
the high limit transmitter is connected.
☐
Make sure the tank has fi lled with water. See the “Damage from dry
startup” Caution on Page 27.
☐
With suffi cient water in the tank, the airfl ow switch closed, the high limit
closed, and the humidifi er getting a call for humidity, verify that the heater
outputs are activated.
☐
Check the amp draw of the heaters. Refer to the humidifi er wiring diagram
for the proper rating.
☐
If you experience diffi culties, have the keypad/display information
available along with the serial number and humidifi er Model, and call
DriSteem Technical Support at 800-328-4447.
mc_060210_1355-CRUV
Vapor-logic controller
OPERATION
Start-up checklist:
