Microprocessor Controller for DOAS
28
ig F
urnace
c
ommissioning
m
enu
This screen only appears if an indirect gas furnace was provided with the unit.
Entering the furnace commissioning menu will step the user through the furnace
start-up.
m
anual
o
verride
m
ode
The Manual Overrides menu is for start-up, commissioning, and troubleshooting.
This menu allows the user to override the control loops and specific inputs and
outputs.
To access the Manual Overrides submenus, enter the
service password (9998)
.
Manual overrides must be enabled at this screen to allow the user to override
control loops. Override options must be changed from Auto to Manual for manual
control.
o
verride
The
u
niT
o
n
or
o
FF
When manual override is set to enable, use the arrow buttons to turn the unit on
or off.
o
verride
o
ccupancy
c
onTrol
When manual override is set to enable, use the arrow buttons to change
occupancy control.
o
verride
The
s
upply
F
an
vFd s
peed
The speed is the proportional percentage of the analog output from the controller
to the VFD.
0% Speed = Min speed (determined by VFD)
100% Speed = Max speed (determined by VFD)
(Reference unit Installation and Operation Manual for VFD programming).
Control Variables
Advanced
Manual Overrides
The Manual Overrides menus are for start-up, commissioning, and
troubleshooting.
The
Advanced
menu allows the user to access several submenus regarding
controller information, controller overrides, network settings, I/O configuration,
and unit configuration. Submenu options are read only and will require the
user to input proper login criteria. The
service password (9998)
is required to
change service access menus. Consult factory for factory level access.
Control Variables
Advanced
Menu
