Microprocessor Controller for DOAS
24
®
Control Variables
Energy Recovery
T
HIS
SCREEN
DISPLAYS
THE
T
EMPERATURE
AT
WHICH
THE
UNIT
WILL
E
NABLE
F
ROST
C
ONTROL
M
ODE
IF
NECESSARY
(F
ACTORY
D
EFAULT
=5ºF)
This screen only appears if the unit has an energy recovery wheel and a frost
control method was provided with the unit.
Upon sensing a high differential pressure across the energy wheel, the unit
will enter defrost mode if the outside air temperature is below this temperature
setting. Max Active Time and Min Off Time will be available if the frost control
method was provided as timed exhaust or cycle wheel.
T
HIS
SCREEN
DISPLAYS
THE
E
NERGY
R
ECOVERY
W
HEEL
J
OG
F
UNCTION
This screen display the energy recovery wheel jog function.
This screen only appears if the unit has an energy recovery wheel and stop wheel
economizer method for control.
Momentarily enables the wheel in order to expose a new section to the airstream.
The
Energy Recovery
menu allows the user to adjust energy recovery wheel
sequence setpoints.
Menu
