Description
•Use with AQ1000 2-wire
polarity-insensitive
communicating thermostats
(AQ25142B and AQ25144B) or
dry contact thermostat
(AQ2511B0, AQ25142B, and
AQ25144B).
•0-10 Vdc modulating output
for driving a
modulating/condensing boiler.
•Displays outdoor temperature
on all AQ1000 thermostats
when used with an AQ12C10
outdoor sensor (included).
•Intuitive programming
interface and armchair
programming (can be
programmed at your desk and
taken to the job site
"ready-to-install")
•Customizable control
settings and schedules allow
for greater level of control
and comfort.
•Central programming of zone
set points and setback.
•1- or 2-stage zoning.
•Zoning Control for up to
four zones as shipped; can be
expanded to a total of 16
zones with AQ255 or AQ257
expansion zoning panels, and
up to 64 zones by using AQ254
Add-a-Temperature expansion
panels.
•Outdoor temperature
compensation (reset), or Load
reset based on indoor
temperature feedback.
•Zone synchronization through
Zone of Greatest Demand
control.
•Domestic hot water priority
and priority override
protection.
•Line or low-voltage output
for zoning equipment (pumps
or valves).
•Boiler short cycling
protection.
•Boiler post purge.
•Freeze protection.
•Pump/valve exercise.
•Boiler shock prevention from
cold water returning to
boiler.
•Automated test and purge
feature for quick start-up
and simplified
troubleshooting.
•Integral 38 VA transformer
with self resetting
electronic fuse.
•2 hour power supply
(super-capacitor) to retain
day and time settings during
power outage.
•Non-volatile EPROM memory
retains program settings
during power outage.