Test And Check Out The Installation - Honeywell AQ25A Series Technical Reference Booklet

4 TEST AND CHECK OUT THE
INSTALLATION
Startup
IMPORTANT
Apply power to the AQ254 Control Panel only after all
of the AQ2000 SERIES components (Control Panel,
thermostats, sensors, Zoning Panels) have been
connected to the other equipment in the hydronic
heating system (boiler, zone valves or pumps, DHW,
®
Aquastat , etc.).
When powered, the AQ254 Control Panel begins its start-up
routine, establishing communication with all other AQ2000
Series components on the AQUATROL network.
Test
The TEST feature enables the installer to checkout all of the
system's outputs, sensors, and zone equipment as part of
system commissioning (Checkout).
The TEST operation can be accessed via the TEST menu in
the INSTALLER mode of either the main AQ2000 Series
Control Panel or the AQ254 Expansion Control Panel. To begin
testing the installation, position the indicator arrow (←) beside
the equipment group to be tested [OUTPUTS, SENSORS, or
ZONES] and press the OK button.
Test Outputs
• When TEST OUTPUTS is selected, the AQ254 LCD
displays a list of all outputs that can be tested. To select an
output to test, position the indicator arrow (←) beside that
output and press the OK button to activate the output's
relay. As each output is activated, a word icon for that
output displays at the top or bottom of the LCD display
(refer to Fig. 7 on page 9). The TEST routine activates the
output relay until the OK button is pressed to turn off that
output.
• To test additional outputs, navigate the list using the Up or
or v), position the indicator arrow (←) beside
Down arrow (
^
that output and press the OK button to begin testing. Press
the OK button to de-activate the output relay and stop the
test.
• When finished testing the outputs, scroll to the bottom of the
TEST OUTPUTS menu to the EXIT menu item and press
OK to move up one menu level to the main TEST menu.
NOTE: Any combination of outputs can be activated at the
same time when testing the outputs.
Test Sensors
Scroll down to position the indicator arrow beside the SENSOR
menu item and press OK.
When SENSOR is selected, the AQ254 LCD displays the
temperature that the SECONDARY sensor is measuring. If the
sensor is malfunctioning or is not properly connected to the
AQUATROL network, the value "- -" displays beside the SEC
item on the LCD screen, instead of the mixed loop
temperature. If the sensor reports a temperature that is
illogical, investigate further by referring to "Troubleshooting" on
page 13.
AQ25400B "ADD-A-TEMPERATURE" EXPANSION CONTROL PANEL
To leave the TEST SENSOR menu, scroll down to the EXIT
menu item and press OK to move up one menu level to the
main TEST menu.
Test Zones
Scroll down to position the indicator arrow beside the ZONES
menu item and press OK.
• When ZONES is selected, the Installer can test all space
heating zones connected to the AQ254 simultaneously or
individually.
• If zones are tested simultaneously (ALL), all zone
equipment is energized. There is a start delay of 1/10th of a
second between each pump or valve to minimize the effect
of inrush currents from the devices' motors.
• To test zones individually, position the indicator arrow (←)
beside a selected zone and press the OK button to energize
it. Press the OK button again to de-energize it. As each
zone is tested, the Status LED on the Zoning Module
associated with that zone is illuminated. To test additional
zones, position the indicator arrow (←) beside the zone to
be tested, press the OK button to energize the zone's pump
or valve and then press the OK button again to de-energize
it.
• When finished testing the zones, scroll down to the EXIT
menu item and press and hold the OK button for 3 seconds
to return to the Home Page display.
Checkout
1. In Installer mode, disable the Warm Weather Shut Down
(WWSD) temperature setting on the Main AQ2000
Series Control Panel by increasing the WWSD setting to
100°F (37°C). This way, the WWSD will not interfere with
the zone operation during checkout.
The WWSD setting can be found in the INSTALLER
mode of the AQ25A, AQ251, or AQ252 in the
"INSTALLER MENU > EQUIPMENT SETUP >
BOILER SETTINGS menu.
NOTE: Disabling WWSD does not apply to systems
where an AQ250 is the Main AQ2000 Series
Control Panel, as the AQ250 does not have the
option of connecting an outdoor sensor to it.
2. Turn down the DHW AQUASTAT, if present, to avoid
interfering with space heating control operation.
3. Turn up the set point of one of the AQ254's zone thermo-
stats that is associated with the SECondary mixed water
loop.
3.1 The zone valve or pump associated with that zone
will turn on.
3.2 The Boiler T-T relay of the Main AQ2000 Series
Control Panel is activated (Boiler displays in the
DEMANDS section of the Control Module's LCD
screen).
3.3 The SECondary pump connected to the AQ254 is
energized (SEC displays in the OUTPUTS section of
the AQ254's LCD screen).
3.4 The Boiler pump relay is activated (PRIMary displays
in the OUTPUTS section of the LCD screen).
3.5 The mixing device, injection pump or mixing valve, is
energized and the word INJ (for an injection pump)
or OPEN (for a mixing valve) displays on the
AQ254's LCD screen.
3.6 Depending on the settings for the AUX.PUMP (line
voltage-rated dry contacts) on the AQ254, these
contacts may also close, and if so, the word AUX
displays in the OUTPUTS section of the LCD screen.
11 69-1987—02