Honeywell AQ255 Series Product Data

Contents

Honeywell AQ255 Series Product Data Manual pdf 1 page image

PRODUCT DATA69-1981-06AQ255 and AQ257 SeriesExpansion Zoning PanelsPRODUCT DESCRIPTIONThe AQ255/AQ257 Series Expansion Zoning Panels provideadditional zoning capacity for an existing hydronic installationcontrolled by an AQ2000 Series Boiler Control Panel such asan AQ250 Relay Boiler Control, an AQ251 Reset BoilerControl, or an AQ252 Universal Injection/Mixing Boiler ResetControl.FEATURESThe AQ255/AQ257 Series Expansion Zoning Panels have thefollowing features:• Availability of 4 Expansion Zoning Panels.• Zone control of either pumps or zone valves, inmultiples of 4 zones• 4-zone or 8-zone models for pump zoning; 4-zonemodels for zone valves• Ability to use both zone valve models and zone pumpmodels in the same installation• Zone valve panels contain an AQ10X38 transformer(power supply module), which connects to 120 Vacpower and supplies 24 Vac power to the ZoningModule.• Communications between components via theAQUATROL® network, using communication buswiring.• Any panel can be configured to activate a group pumpwhen zones are active• Zone valve models can be used with Normally Open orNormally closed valves• Can be installed up to 500 ft. away from main AQ2000Control Panel, for convenient operation of remotezoning equipmentIMPORTANTTo ensure correct installation and proper operation ofthe zoning panel, perform the 7 installation steps inthe order numbered in the “Contents” below.AQ25742BAQ25582BContentsSpecifications ................................................................... 21 Installation Preparation .................................................. 22 Mounting ........................................................................ 43 Wiring Procedure ........................................................... 54 Configure the Expansion Zoning Panel(s) DIP Switches 55 Test and Check Out the Installation ............................... 76 Purge Air from all System and Zone Piping .................. 87 Document and Keep a record of all System Settings .... 9Troubleshooting ................................................................ 10Appendix .......................................................................... 11Wiring Diagrams ................................................... 11