Owners Manual DA2 Series Dehumidifier
Control Signals Wiring Installation
Dectron, Inc. November 2009 17
Data subject to change without notice.
ENABLE SWITCH
(by others)
Electric power should be applied to the unit at all
times, in order to keep the compressor crankcase
heaters warm. Failure to keep the heaters warm
will require a 12-hour
minimum preparation time before starting a unit.
A double-pole enable switch (by others)
connected as shown allows two units to remain
powered while operation is not desired.
NOTE: Where three units work together, as shown
in Installation-Airflows, use a three-pole enable
switch (by others). For larger numbers of units,
consult the factory.
UNIT #2 UNIT #1
terminal 3
terminal 4
terminal 3
terminal 4
two-pole single-throw
switch (by others)
UNIT #2 UNIT #1
terminal 3
terminal 4
terminal 3
terminal 4
terminal 6
terminal 7
C
H
single-pole switch
humidistat
Never attempt to tie the ENABLE circuits of
two units together.
Some units may be equipped for use with a
remote humidistat, shipped loose. In this
case, wire the humidistat as shown.
Refer to the mounting and wiring
instructions with the humidistat.
WARNING
Risk of electric shock. Can cause injury or death.
The unit controller does not disconnect electrical energy from the unit, even in the
OFF condition. Use only approved devices (e.g. locking safety switch), to disconnect,
lockout, and tagout all sources of electrical energy before working inside the unit
cabinet. Follow all applicable safety regulations.
Risk of electric shock. Can cause injury or death.
Risk of property damage. Risk of failure to comply with electrical code.
The ENABLE circuit of this unit may not be a Class 2 circuit. Refer to the unit wiring diagram.
WARNING
Risk of unit damage. Risk of property damage. Risk of injury.
Never attempt to tie the ENABLE circuits of two units together.
NOTICE
SAMPLE
Use terminal numbers in unit
wiring diagram.
SAMPLES
Use terminal numbers in unit
wiring diagram.
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