AQ25400B “ADD-A-TEMPERATURE” EXPANSION CONTROL PANEL
15 69-1987—02
Installer Programming Menu
The Installer Menu allows you to set up and modify system
settings that typically would be adjusted by a trained installer.
These include settings such as mixing temperatures limits,
injection, and valve operation.
System statistics, testing, and purging are also available from
the Installer Menu.
Illustrations of the complete Installer Menu begin on page 19.
To access the Installer Menu, press and hold the OK button for
3 seconds.
NOTE: To exit Installer Mode, select the Installer Exit menu
option.
Table 3. Installer Menu.
EQUIPMENT SETUP
Menu Option Range
Factory
Default Description
MIXING Settings that the AQ254 uses for Secondary loop operation
MIX HIGH TEMP: - -
80°F to 210°F (27°C to 99°C)
140°F
(60°C)
The maximum temperature that the control can use as
a target for the secondary loop supply water. The MIX
HIGH TEMP cannot be set below the MIX LOW
TEMP setting.
• “- -” means Off (not used).
MIX LOW TEMP: - -
35°F to 150°F (2°C to 66°C)
95°F
(35°C)
The minimum temperature that the control can use as
a target for the secondary loop supply water. The MIX
LOW TEMP cannot be set above the MIX HIGH
TEMP setting.
• “- -” means Off (not used).
RESET: AUTO / OUTDOOR / LOAD /
NONE
AUTO Selects the calculation method (algorithm) that the
control uses to set the target temperature for the
secondary loop supply water.
AUTO option applies the same reset method selected
for the main AQ2000 Series Control Panel.
DESIGN TEMP: - -
70°F to 210°F (21°C to 99°C)
120°F
(49°C)
The supply water temperature required in the mixed
temperature SECondary loop when the outdoor
temperature is at the OUTDOOR LOW temperature.
• “- -” means Off (not used).
10V MOD: DISABLE /
0V to 10V /
2V to 10V
DISABLE Produces voltage on the 10 Vdc low voltage terminals
(6 and 7) according to the setting chosen.
INJECT.: ENABLE / DISABLE ENABLE
MIX.VLV: DISABLE / ENABLE DISABLE
VLV OPEN TIME: 5 to 230 seconds 160
(seconds)
Available only when MIX.VLV = ENABLE
VLV ACTION: DIRECT / REVERSE DIRECT Available only when MIX.VLV = ENABLE
- EXIT - n/a n/a Exits this sub-menu and returns to the Installer menu.
PRI/SEC Identifies the heating water loop that each space heating zone is supplied by: the primary
boiler loop (PRI) or the secondary mixed loop (SEC).
Displays the PRI/SEC sub-menu with the following selections for all or individual zones:
ALL PRI n/a n/a Applicable only to the 16 zones of this AQ254 group
of zones (B, C, or D).
ALL SEC n/a n/a Applicable only to the 16 zones of this AQ254 group
of zones (B, C, or D).
B-01:
...
D-16:
SEC / PRI SEC Individual zone selection:
B-01: PRI/SEC
B-02: PRI/SEC
…
D-16: PRI/SEC
- EXIT - n/a n/a Exits this sub-menu and returns to the Installer menu.
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