Appendix; Home Page And System Status Page - Honeywell AQ25A Series Technical Reference Booklet

AQ25400B "ADD-A-TEMPERATURE" EXPANSION CONTROL PANEL

APPENDIX

The appendix provides AQ254 Expansion Control Panel User
interface information for the:
— The Home Page and System Status Page
— Installer Programming menu
— Programming menu structure. See page 19.

Home Page and System Status Page

The Home Page is the default display for the control panel. It
provides general system information.
Press the OK button on the keypad to display the System
Status Page.
.
Menu Option
HOME Page
X LOOP
OUT:
SEC:
TGT:
a
SYSTEM STATUS
NO GRP A
NO ZONES
NO SENSR
WWSD
NO DMND
IN PURGE
NO LINE VOLTAGE
MIX IDLE
MIX HEAT
MIX PURG
MIX OFF
INJ: XX%
a
Status notices and error messages display as appropriate. Only those that are pertinent to the system's current operation are dis-
played.
69-1987—02
Table 2. Home Page and System Status Page.
Range
B, C, or D Defines whether this AQ254 is the first (B), second (C), or third (D) AQ254
Expansion Control Panel connected to the main AQ2000 Series Control Panel.
Displays the outdoor temperature.
Displays the temperature measured by the secondary mixed water sensor.
Displays the mixed water temperature target calculated by the AQ254 controller.
No network communication with the Main AQ2000 Series Control Panel (AQ250,
AQ25A, AQ251, AQ252) is available. Check the wiring of the Exp. IN connection.
No zones are detected on the AQ254's sub-network. Check the wiring of the Exp.
OUT connection.
No secondary sensor has been connected to the AQ254
The system is in Warm Weather Shutdown mode; calls for heat from the space
heating zones connected to the AQ254 will not be served.
No activity on the secondary (mixed) loop and/or the zones associated with the
AQ254
Purge operation is active somewhere on the AQ network.
No line voltage has been detected on the N and L (line voltage input) terminals on
the AQ254 Expansion Control Module.
MIX items display only one at a time. They indicate whether the AQ254 mixing
equipment is de-energized because the target temperature has been reached
while an AQ254 zone is still being served (MIX IDLE), actively drawing hot water
from the PRImary loop (MIX HEAT), in purge operation following a heating cycle
(MIX PURG), or OFF.
Injection percentage displays from 0% to 100%.
14
LCD DISPLAY
HOME PAGE
B LOOP
OUT:
SEC: 100
SYSTEM STATUS PAGE
NO GRP A
NO ZONES
NO SENSR
WWSD
NO DMND
IN PURGE
NO LINE
MIX IDLE
MIX HEAT
MIX PURG
MIX OFF
INJ:000%
1
NO LINE INDICATES NO LINE VOLTAGE.
Fig. 8. Home Page display, System Status Page display,
and keypad.
Description
KEYPAD
30
1
M27812