When there is a call for humidity, the pre-combustion safety check confirms that the duct-pressure switch, duct high-limit humidistat and liquid-level control circuits are satisfied. The microprocessor then signals the blower to turn on, and the humidifier’s blower-pressure switch senses air movement.
The unit then signals the ignition-control module to perform a purge cycle. The hot-surface igniter comes on and, after it comes up to temperature, the gas valve opens and gas ignition occurs. The flame-detection rod senses the presence of the flame, and combustion is underway. The humidifier accepts a 0-10 Vdc control signal and provides proportional output in response.
When there is a call for humidity, the
pre-combustion safety check confirms that the duct-pressure switch, duct
high-limit humidistat and liquid-level control circuits are satisfied.
The microprocessor then signals the blower to turn on, and the
humidifier’s blower-pressure switch senses air movement.
The unit then signals the ignition-control module
to perform a purge cycle. The hot-surface igniter comes on and, after it
comes up to temperature, the gas valve opens and gas ignition occurs.
The flame-detection rod senses the presence of the flame, and combustion
is underway. The humidifier accepts a 0-10 Vdc control signal and
provides proportional output in response.
NOTE: This product is available
with the Armstrong Temp-R-Drain, a device that mixes hot condensate and
cold water to maintain a drain outlet temperature suitable for drainage
directly to any plumbing system. Contact Armstrong factory
representatives for more information.
For help in specifying the exact model you need, download the product literature.
No PDF available for download.
No PDF available for download.
No PDF available for download.
No PDF available for download.
No PDF available for download.
No PDF available for download.
No PDF available for download.
No PDF available for download.
Copyright © 2025 Campbell-Sevey, Inc.