Greenheck Microprocessor Controller (474706 IOM) TAP v1.04 June 2011 (ERCH, ERH, APEX, VER, ERT) - Manual (Page 16)

16 DDC Controller for Tempered Air Products
The Overrides menu is for start-up, commissioning and troubleshooting.
This menu allows the user to override the control loops. If further control is
required, the user can also manually control the controller inputs and outputs.
To access the Overrides sub-menu, enter the service password (Default=1000).
To manually override a control loop, the unit must be ON. In each respective
screen, change the control from AUTO to MANUAL.
To resume normal operation after overriding the controller, simply cycle power
to the unit.
T
his screen allows The user To override The energy wheel operaTion
.
This screen only appears if the unit is equipped with a non-VFD operated energy
wheel.
When the Wheel Control is in the MANUAL mode, use the arrow buttons to turn
the wheel ON or OFF.
T
his screen allows The user To override The energy wheel operaTion
.
This screen only appears if the unit is equipped with a VFD operated energy wheel.
When the Wheel Control is in the MANUAL mode, use the arrow buttons to
alter the wheel %. This is directly proportional to a 0 - 10 VDC signal being sent
to the energy wheel VFD.
F. Board Switch
The Board Switch menu allows the user to jump between different controllers
with a remote display. This requires a remote display, along with additional
controllers, set-up in a pLAN network. A pLAN can consist of up to 32 devices, in
different combinations, but a maximum of 31 controllers.
w
hen viewing This screen from a remoTe display
,
The user is able To change
which conTroller ’ s menu should be displayed .
Unit Address: The pLAN address of the controller the display is currently
accessing.
Switch to unit: The pLAN address of the controller the display would like to
access.
Board Switch
Unit Address: 1
Switch to unit: 1
1 . . . . . . . . . . 16
17 . . . . . . . . . 32
G. Service
e
nTering The
i
nformaTion sub
-
menu will display informaTion abouT The
conTroller and The program loaded on The conTroller .
Code: Controller setup code determines functionality of program. When
contacting the factory, please reference this code.
The Service menu allows the user to access several sub-menus regarding
controller information, controller overrides, operating hours, BMS configuration,
I/O manual management and Probe Adjustment. The user can also change the
default Service Password (1000) by accessing the Service Settings sub-menu.
By accessing the BMS Config sub-menu, the user can adjust BMS protocol
settings (BACnet, LonWorks, Modbus).
Information
Greenheck Fan Corp.
Code: GMY10000X00
Ver.: 1.04 06/13/11
Manual: 474706
Bios: 5.12 11/17/10
Boot: 4.03 07/03/06
Control Loop Overrides
Unit must be ON.
To resume normal operation,
cycle unit power.
Energy Wheel Override
Wheel Control: Auto
Wheel: OFF
Energy Wheel Override
Wheel Control: Auto
Wheel: 100%
G. Service
a. Information
G. Service
b. Overrides
®