Dectron, Inc. March 2012
DECTRON
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owner’s Manual
Data subject to change without notice.
268
Room Humidity
Set point
Pool Water Temp
Set point
Room Air Temp
Set point
Compare with
Set point
Run Compressor
Room Air
Temp Sensor
Signal
Compare with
Set point
Compare with
Set point
Pool Water
Temp Sensor
Signal
Humidity
Sensor Signal
Energize pool
water hot gas
solenoid valve
Closes auxiliary
heating contacts
Above
set point
Below
set point
Above
set point
Above
set point
Below
set point
Below
set point
In dead
band
Energize A/C hot
gas solenoid
valve. Run
outdoor
condenser fan
Δ Dehumidification
On a call for dehumidification only,
DRY-O-TRON® operates in dehu-
midification with minimum water-
heating mode.
Δ On a call for cooling
The A/C hot gas solenoid valve is
energized and the outdoor condens-
er fan is operating. The DRY-O-
TRON® runs in air-conditioning
mode.
Δ Pool Water Heating
Pool water temperature is main-
tained by minimum and maximum
water heating modes. On a call for
pool water heating, the pool water
hot gas solenoid valve is energized.
The DRY-O-TRON® operates in
maximum water-heating mode.
Δ Space Heating
On a call for space heating, the DRY-
O-TRON® operates as above for
dehumidification and pool-water
heating. In addition, the auxiliary
space heating system is activated by
contacts provided.
internal storage register
Symbols
general input / output
conditional branch
process
Sample
Actual operation
may vary.
Operation Logical Flowchart
Units With Air Conditioning
OPERATION