Honeywell AQ25742B
Overview :
Honeywell AQ257 expansion zoning panels work with AQ2000 boiler control panels and AQ1000 communication thermostats to control up to four space heating zones. Combine with extra expansion panels and AQ2000 panel for 16 space heating zones.
Features :
AQ257 for zoning with zone valves with end switches
Includes auto test function to test zones at system start up
LED lights for visual diagnostic of zone operation
Adjacent zoning panels can operate different zone equipment
Easily switch from zone valves to pumps with same zoning module
R-C transformer and B-B data bus terminal connections for easy expansion
Zones can be set to energize a group pump via Aux Out dry contacts on main control panel or expansion control panel
Zone synchronization through Zone of Greatest Demand control
Product Specifications :
Application: Zoning control for hydronic zoning system
Dimensions (in.): 9 1/2 in wide x 8 in. high x 3 3/8 in. deep
Dimensions (mm): 24 cm wide x 20.3 cm high x 8.5 cm deep
Operating Humidity Range (% RH): 5 to 90% RH, non-condensing
Approvals, Canadian Standards Association: CSA C/US Certified to CSA and UL Standards, File No. LR76030
Honeywell AQ257 expansion zoning panels work with AQ2000 boiler control panels and AQ1000 communication thermostats to control up to four space heating zones. Combine with extra expansion panels and AQ2000 panel for 16 space heating zones.
Features :
AQ257 for zoning with zone valves with end switches
Includes auto test function to test zones at system start up
LED lights for visual diagnostic of zone operation
Adjacent zoning panels can operate different zone equipment
Easily switch from zone valves to pumps with same zoning module
R-C transformer and B-B data bus terminal connections for easy expansion
Zones can be set to energize a group pump via Aux Out dry contacts on main control panel or expansion control panel
Zone synchronization through Zone of Greatest Demand control
Product Specifications :
Application: Zoning control for hydronic zoning system
Dimensions (in.): 9 1/2 in wide x 8 in. high x 3 3/8 in. deep
Dimensions (mm): 24 cm wide x 20.3 cm high x 8.5 cm deep
Operating Humidity Range (% RH): 5 to 90% RH, non-condensing
Approvals, Canadian Standards Association: CSA C/US Certified to CSA and UL Standards, File No. LR76030
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