Brochure

TK-1071 Series, TK-1171
140
© Copyright 2006 TAC. All Rights Reserved. F-27383-1
Submaster Room Thermostats
Model Chart
Figure 1 Standard Covers.
Specifications
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 qF or qC 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 No.
Output Action
a
a
Direct Acting (D.A.)  Increase output pressure on temperature rise.
Reverse Acting (R.A.)
 Decrease output pressure on temperature rise.
Submaster Reset Action
b
b
Direct Reset  Increase in master pressure raises setpoint.
Reverse Reset
 Increase in master pressure lowers setpoint.
Dial
c
Marking
c
Dial stop pins included to limit dial range.
TK-1071
Direct Direct
55 to 85qF
TK-1071-116
d
13 to 29qC
TK-1171
d
d
Not available to Controline or Wholesale.
Reverse Reverse 55 to 85qF
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 10qF/10 psi (-17 to -12qC/69 kPa), factory set at 4qF/10psi (-16qC/69 kPa).
Reset range
Adjustable 0.15qF/psi (-18qC/kPa) to 2qF/psi (-17qC/kPa) master pressure change, factory set at
0.5qF/psi (-18qC/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.
TK
-
1071
Series,
TK-1171
90
80
70
60
50
TK-1171
TK-1xxx
Insert
with
F TK-1x71 Insert