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181F-27855-10
Understanding a Configured Catalog Number
123
Zone Valves
x x x x xx x
Valve Assemblies
Options
Non-Spring Return Actuators
0 = No Options
T = Three-Wire Signal Time-Out
Spring Return Actuators
T = Time-Out
1
1
This feature is standard
for floating spring return actuators
and must be included in the
part number.
Should not be used with thermostats/
controllers unless they have a
timeout feature.
Electrical Leads
00 = No leads
Voltage
A = 24 Vac Only 50/60 Hz
Temperature Ratings
3 = General Temperature
1 = Spring Return Normally closed, 2-way or 3-way
2 = Spring Return Normally opened, 2-way only
3 = Non-Spring Return
Action
Actuator Type
T = Three-wire Floating
P = Proportional, 0-10 Vdc, 0-5 Vdc,
5-10 Vdc or 4-20 mA, Jumper Selectable
Available Actuators
Part Number
AT13A00T
AT23A00T
AT33A000
AT33A00T
AP13A000
AP23A000
AP33A000
Action
Spring Return
Spring Return
Non-Spring Return
Non-Spring Return
Spring Return
Spring Return
Non-Spring Return
Actuator Type
Three Wire Floating
Three Wire Floating
Three Wire Floating
Three Wire Floating
Proportional
Proportional
Proportional
Option
With Time-Out
With Time-Out
None
With Time-Out
None
None
None
Position
N.C.
N.O.
N.C.
N.O.
2
2
4
3
4
When ordering a valve body, use only
the first six positions to configure the
valve.
When ordering an actuator, use only
the last seven positions to configure
the actuator. Prefix with the letter A.
Underst
anding
a
Configu
red
Catalog
Number
F-27411-3 © Copyright 2007 TAC. All Rights Reserved
9. Zone Valves
Modulating Zone Valve
Assembly Ordering
9. Zone Valves