AQ255 AND AQ257 SERIES EXPANSION ZONING PANELS
69-1981—06
2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information,
or would like to comment on our products or services, please write or phone:
1.
Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone directory).
2.
Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
3.
http://customer.honeywell.com or http://customer.honeywell.ca
International Sales and Service Offices in all principal cities of the world. Manufacturing in Belgium, Canada, China, Czech
Republic, Germany, Hungary, Italy, Mexico, Netherlands, United Kingdom, and United States.
SPECIFICATIONS
The AQ2000 Series Expansion Zoning Panels are listed in
Table 1. AQ2000 Series Expansion Zoning Panels.
Application:
Controls zoning operations for hydronic zoning
systems.
Power and Electrical Ratings:
Power Supply:
120 Vac / 60Hz
B–B Communication Bus Terminals:
Low voltage,
Class II, 2-wire polarity-insensitive, digital communicat-
ing link to other Control or Zoning modules
Zone Pump Output Rating:
120 Vac, 5A, 1/3 HP
Zone Valve Output Rating:
24 Vac, 0.5A, 12VA
Electrical Connections (Line Voltage):
Wire-clamp
screw terminals; maximum 2 x 14 AWG each on line
voltage terminals
Environmental Ratings:
Temperature Rating:
32°F to 130°F (0°C to 55°C)
Operating Humidity Range (% RH):
5 to 90% RH,
non-condensing
Temperature Ratings:
Sensor Temperature Rating:
-58°F to 230°F (-50°C
to 110°C)
Inputs/Outputs:
R–C Input:
24 Vac Class II
R–C Output (on transformer; AQ25742B and
AQ25744B only):
38 VA, 24 Vac Class II
Thermostat Compatibility:
Digital non-communicating
thermostats and/or AQ1000 Series 2-wire communicating
thermostats
Dimensions (HxWxD):
8.0 x 9.4 x 3.3 in. (20.3 x 23.8 x
8.5 cm) approximate
Weight:
3.9 lb. (1.8 kg)
Approvals:
Canadian Standards Association: Certified, File
No. LR76030
1 INSTALLATION
PREPARATION
NOTES: Throughout these instructions, the following
terminology conventions are used:
—
AQ155
refers to the AQ15540B Zoning Module.
—
AQ157
refers to the AQ15740B Zoning Module.
—
AQ255
refers to all of the AQ25542B, AQ25582B and
AQ25742B Expansion Zoning Panels.
—
AQ257
refers to the AQ25744B Expansion Zoning
Panel. Where there are specific instructions or details
relating to the -42B, -82B, or -44B Expansion Zoning
Panels, the full model number is used
(e.g., AQ25744B).
—
AQ2000 Series Control Panel
is used when the infor-
mation applies to any of the AQ2000 Series Boiler
Control Panels, including AQ25A, AQ250, AQ251,
AQ252, etc.
—
Control Module
refers to the component within the
AQ2000 Series Control Panel that performs the
master control operations.
—
Control Panel
refers to an assembled product, con-
sisting of a transformer, Control Module and (if appli-
cable) a Zoning Module, all contained within an
AQ2000 panel enclosure.
—
Expansion Zoning Panel
refers to an assembled
product, consisting of a Zoning Module and (if applica-
ble) a transformer, contained within an AQ2000 panel
enclosure.
—
Zoning Module
refers to the component within the
AQ2000 Series Control Panel that controls zoning
operations. Zoning Modules are available in either
4-zone or 8-zone configurations.
Expansion
Zoning Panel
Zoning
Module
# of Zoning
Modules
Transformer
included
AQ25542B
AQ15540B
1
No
AQ25582B
AQ15540B
2
No
AQ25742B
AQ15540B
1
Yes
AQ25744B
AQ15740B
1
Yes
