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T460 Series (2298 Series)
134
© Copyright 2006 TAC. All Rights Reserved. F-27383-1
Unit Temperature Controllers
Model Chart
Specifications
The Unit Temperature Controllers are designed for
the proportional control of pneumatic devices and
actuators in environmental control systems. These
devices are designed primarily as return air
controllers in induction units, fan coil units, and
unit ventilators.
Features:
• Small size.
• Attractive appearance.
• Stable, linear response to room temperature changes.
• Sensor may be mounted up to 200 ft. (61 m) from
controller; connects to controller body with 1/4 in. outside
diameter (O.D.) polytube.
• Summer-winter models have snap-acting changeover from
direct action to reverse action and vice versa.
Model No.
Wholesale Model
No.
Action Comments
T460-301 2298-060
a
a
Includes mounting bracket.
Reverse acting at 16 psig, direct acting at 25 psig
Includes metal cover and remote
bimetal sensor.
T461-301 2298-061
a
Direct
T462-301 2298-062
a
Reverse
T463-301 2298-063
a
Direct acting at 16 psig, reverse acting at 25 psig
Setpoint range 65 to 85qF.
Throttling range 4qF fixed.
Sensitivity 2.5 psig/qF fixed.
Maximum ambient temperature 140qF (60qC).
Main air pressure Clean, dry, oil free air required (Refer to EN-123).
Nominal
T460-301: 16 psig reverse acting, 25 psig direct acting.
T461-301, T462-301: 20 psig.
T463-301: 16 psig direct acting, 25 psig reverse acting.
Maximum 30 psig.
Connections Fittings for 1/4 in. O.D. plastic tubing.
Air consumption
T460-301, T463-301 29.4 scim (8.0 mL/s) at 16 psig, 45 scim (12.3 mL/s) at 25 psig.
T461-301, T462-301 29.4 scim (8.0 mL/s) at 16 psig.
Adjustments External or concealed.
Calibration point Factory calibrated at 9 psig for T461 and T462; 12 psig for T460 and T463.
Mounting Using the mounting bracket, purchased separately, or wall mounting.
Dimensions 2-1/32 H x 2-1/32 W x 1-3/8 D in. (52 x 52 x 35 mm).
T460
Series
(2298
Series)