Honeywell AQ25A Series Instruction Manual

AQ25A Series Programmable Boiler
Control Panels
PRODUCT DESCRIPTION
The AQ25A Series of Programmable Boiler Control Panels
consists of a transformer, a boiler/DHW Control Module, and a
4-zone Zoning Module, all contained within an AQ2000 panel
enclosure. The boiler/DHW Control Module, controls the boiler
and domestic hot water (DHW) functions, as well as
coordinating the overall operation of the hydronic system.
AQ25A Control Panels can control a maximum of 16 zones by
connecting additional Expansion Zoning Panels to the AQ25A
Control Panel. Each Expansion Zoning Panel is configured
with its own bank of DIP switches.
FEATURES
The AQ25A Series Programmable Boiler Control Panels have
the following features:
• Boiler supply and return temperature sensors
• Outdoor temperature sensor
• Zoning equipment (zone valves or pumps)
• Availability of two Zoning Modules: the AQ15740B, for
zoning with 24 Vac zone valves with end switches, and
the AQ15540B, for zoning with either line voltage
circulators or 24 Vac zone valves without end
switches.
• An AQ10X38 transformer (power supply module),
which connects to 120 Vac power and supplies 24 Vac
power to the Control Module and Zoning Modules
• 4-zone or 8-zone Expansion Zoning Panels, up to a
maximum of 16 zones
• Communications between components via the
®
AQUATROL network, using communication bus
wiring.
• AQ15A Boiler/Domestic Hot Water Control Module,
which controls boiler and DHW functions, as well as
provides overall management of the hydronics system
Specifications ...................................................................
1 Installation Preparation ..................................................
2 Mounting ........................................................................
3 Wiring Procedure ...........................................................
4 Program and Configure the Control Panel .................... 14
5 Test and Check Out the Installation ............................... 18
6 Purge Air from all System and Zone Piping .................. 19
7 Document and Keep a record of all System Settings .... 19
Troubleshooting ................................................................ 20
Appendix .......................................................................... 23
User Menu .............................................................. 23
Installer Menu ......................................................... 30
PRODUCT DATA
Contents
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3
5
5
69-2119-05