Energence
®
HUMIDITROL
®
DEHUMIDIFICATION SYSTEM OPTION
OVERVIEW
NOTE - Not available with Environ™ Coil System.
ordered as a factory option.
• Factory installed option designed to control humidity
•
90.1 recommended method for comfort conditioning
humidity control
• Unit comes equipped with one row reheat coil, solenoid
valve and humidity controller
•
dehumidistat, or a DDC controller with an isolated output
is required to control humidity and must be located in
the occupied space
BENEFITS
• Improves indoor air quality
• Helps prevents damage due to high humidity levels
• Improves comfort levels by reducing space humidity
levels
OPERATION
• The unit will operate conventionally whenever there is a
demand
• Free cooling is only permitted when there is no demand
•
dehumidistat, or a DDC controller with an isolated output
to control humidity
EXPANSION
REHEAT
VALVE
CHECK
VALVE
REHEAT
COIL
EVAPORATOR
COIL
CONDENSER COIL
CIRCUIT 1
CIRCUIT 2
NOTE - Controls are not furnished and must be ordered
separately.
•
demand and does not require a cooling demand
•
the relative humidity of the conditioned space is below
the setpoint
• This reduces sensible cooling capacity and extends
compressor run time to control humidity when the
cooling load is low
• A solenoid valve diverts hot gas from the compressor to
the reheat coil
•
reheated as it passes through the reheat coil
• The de-superheated and partially condensed refrigerant
continues to the outdoor condenser coil where
condensing is completed
• Unit will continue to operate in this mode until the
NOTE - See Sequence of Operation for additional
information.
Room Sensor Application)
•
demand occur, the system will operate in cooling until
•
mode
Options / Accessories
Humidity Sensor Kit
• Remote mounted dehumidistat for factory installed
Humiditrol
®
option
• Adjustable 20-80%
NOTE
DDC controller with an isolated output can be use
instead.