Dectron DRY-O-TRON Supervisaire DSV 020 User Manual

Dectron, Inc. March 2012
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owner’s Manual
Building Construction Outdoor-Air Intake
Data subject to change without notice.
32
DECTRON
For units without the Economizer, Purge, or SmartSaver options, the
minimum temperature for outdoor air entering the unit is 32°F (0°C).
For units with
the SmartSaver option, the minimum temperature for outdoor
air entering the unit during normal occupied periods is -20°F (-28°C).
For units with
the Economizer or Purge options, the minimum temperature
for outdoor air entering the unit during normal occupied periods is 32°F (0°C).
The minimum temperature for outdoor air entering the unit during Economizer
or Purge mode is -20°F (-28°C).
Where outdoor temperatures may go below the minimum temperature, the
incoming outdoor air must be pre-heated (by others) to at least the minimum
temperature before it enters the unit
. Any such heater must be sized to
heat the maximum amount of outdoor air to the required minimum value,
even with the lowest likely outdoor temperature. Failure to do so could cause
unexpected condensation and other problems.
Where the above temperatures cannot be achieved, any outdoor-air intake
will require a separate outdoor-air intake system (by others). Separate
systems must not change the pressure or flow in ducts connected the unit,
must not deliver outdoor air to the return duct, and must not allow mixed air to
enter the return duct.
NOTICE
NOTICE
Risk of unit damage. Risk of building damage from water leakage.
Apply the requirements applicable to your unit. Do not confuse options.
Risk of unit damage. Risk of building damage from water leakage.
Never allow outdoor air to enter the unit return duct. Only room air near design conditions should
enter the return duct.
Duct Heater
(by others)
Outdoor Air
Sample
Horizontal unit shown.
Concept also applies to
vertical units.
Appearance may vary.
Sample
Any required pre-filters
are not shown.
Outdoor air should always enter through a
hood, cap, or gooseneck in order to prevent
the entry of rain, snow, etc. A screen should
be provided to exclude leaves, insects, etc.
Some facilities may already have separate
ventilation systems by others. In this case,
the DRY-O-TRON
®
can control ventilation as
needed.
Where ventilation is by others, arrange
makeup air to enter the room far away from
the DRY-O-TRON
®
return duct grille.
Never allow outdoor air or air mixed with
outdoor air to enter the return grille.
OUTDOOR
AIR INTAKE
RETURN AIR
GRILLE
SUPPLY
DUCT
DRY-O-TRON
®
RIGHT
OUTDOOR
AIR INTAKE
OUTDOOR
AIR INTAKE
EXHAUST
OUTLET
EXHAUST
OUTLET
RIGHT
BUILDING
CONSTRUCTION
2.16

Dectron DRY-O-TRON Supervisaire DSV 020 Specifications

General

Brand	Dectron
Model	DRY-O-TRON Supervisaire DSV 020
Category	Controller
Language	English