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Honeywell AQ255 Series User Manual

Honeywell AQ255 Series
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PRODUCT DATA
69-1981-06
AQ255 and AQ257 Series
Expansion Zoning Panels
PRODUCT DESCRIPTION
The AQ255/AQ257 Series Expansion Zoning Panels provide
additional zoning capacity for an existing hydronic installation
controlled by an AQ2000 Series Boiler Control Panel such as
an AQ250 Relay Boiler Control, an AQ251 Reset Boiler
Control, or an AQ252 Universal Injection/Mixing Boiler Reset
Control.
FEATURES
The AQ255/AQ257 Series Expansion Zoning Panels have the
following features:
Availability of 4 Expansion Zoning Panels.
Zone control of either pumps or zone valves, in
multiples of 4 zones
4-zone or 8-zone models for pump zoning; 4-zone
models for zone valves
Ability to use both zone valve models and zone pump
models in the same installation
Zone valve panels contain an AQ10X38 transformer
(power supply module), which connects to 120 Vac
power and supplies 24 Vac power to the Zoning
Module.
Communications between components via the
AQUATROL® network, using communication bus
wiring.
Any panel can be configured to activate a group pump
when zones are active
Zone valve models can be used with Normally Open or
Normally closed valves
Can be installed up to 500 ft. away from main AQ2000
Control Panel, for convenient operation of remote
zoning equipment
IMPORTANT
To ensure correct installation and proper operation of
the zoning panel, perform the 7 installation steps in
the order numbered in the “Contents” below.
AQ25742B
AQ25582B
Contents
Specifications ................................................................... 2
1 Installation Preparation .................................................. 2
2 Mounting ........................................................................ 4
3 Wiring Procedure ........................................................... 5
4 Configure the Expansion Zoning Panel(s) DIP Switches 5
5 Test and Check Out the Installation ............................... 7
6 Purge Air from all System and Zone Piping .................. 8
7 Document and Keep a record of all System Settings .... 9
Troubleshooting ................................................................ 10
Appendix .......................................................................... 11
Wiring Diagrams ................................................... 11

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Honeywell AQ255 Series Specifications

General IconGeneral
BrandHoneywell
ModelAQ255 Series
CategoryControl Panel
LanguageEnglish

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