TAC Pneumatic Products Catalog

TK-1071 Series, TK-1171
Submaster Room Thermostats
For proportional control of pneumatically-actuated
valves and damper actuators to maintain room air
temperature in heating, ventilating and air
conditioning systems.
Features:
• Attractive appearance.
• Branch-line to sensing-element pneumatic feedback for
linear, stable operation.
• Available with �F or �C setpoint scales and thermometers.
• Covers supplied with exposed setpoint and thermometer.
• Cover inserts included for:
- Exposed setpoint only.
- Blank cover.
• Aspirated versions of certain models available.
Model Chart
Model No. Output Action a
Submaster Reset Action b
Dial c Marking
TK-1071
TK-1071-116
Direct Direct
55 to 85�F
d 13 to 29�C
TK-1171d Reverse Reverse 55 to 85�F
a
Direct Acting (D.A.) � Increase output pressure on temperature rise.
Reverse Acting (R.A.) � Decrease output pressure on temperature rise.
b
Direct Reset � Increase in master pressure raises setpoint.
Reverse Reset � Increase in master pressure lowers setpoint.
c
Dial stop pins included to limit dial range.
d
Not available to Controline or Wholesale.
Specifications
with
Figure 1 Standard Covers.
TK-1xxx
F TK-1x71 Insert Insert
Thermostat Proportional type.
Sensing element Bimetal.
Control dial range Refer to Model Chart.
Setpoint Remotely resettable by changing the reset pressure.
Throttling range Adjustable 2 to 10�F/10 psi (-17 to -12�C/69 kPa), factory set at 4�F/10psi (-16�C/69 kPa).
Reset range
Adjustable 0.15�F/psi (-18�C/kPa) to 2�F/psi (-17�C/kPa) master pressure change, factory set at
0.5�F/psi (-18�C/kPa).
Output air signal 0.5 psig (3.4 kPa) to supply air pressure -0.5 psig (-3.4 kPa).
Output and reset action Refer to Model Chart.
140 © Copyright 2006 TAC. All Rights Reserved. F-27383-1
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TK-1171
TK-1071
Series,
TK-1171