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Schneider Electric TK-17xx Series Dual Setpoint, Single Output Room Thermostats

Dual Setpoint, Single Output Room Thermostats
TK-17xx Series

For proportional control of pneumatic-actuated valves and damper actuators to maintain room air temperatures in heating, ventilating, and air conditioning systems. 

• Branch-line to sensing-element pneumatic feedback for linear, stable operation.
• Plastic cover supplied with exposed setpoint and thermometer.
• Cover insert included with a blank face plate with logo.

Select a link under the "item" tab below to order.

Dial Range20 psig Supply Pressure Control ActionCat #Cover Legend20 psig Supply Pressurea Cover Legend20 psig Supply Pressure Dial RangeControl Action
55 to 85°FDirectTK-1717HeatCool55 to 85°FDirect
55 to 85°FReverseTK-1727HeatCool55 to 85°FReverse
55 to 85°FDirectTK-1731HeatCool55 to 85°FReverse
55 to 85°FReverseTK-1741HeatCool55 to 85°FDirect
55 to 85°FDirectTK-1711DayNight55 to 85°FDirect
55 to 85°FDirectTK-1751eDayNight55 to 85°FDirect
55 to 85°FReverseTK-1721DayNight55 to 85°FReverse
55 to 85°FReverseTK-1761DayNight55 to 85°FReverse
Thermostat: Proportional two pipe type. Two pressure Heating/Cooling or Day/Night thermostats switch between two bimetal sensors.
Sensing element: Two bimetals.
Control dial range: Two independent with stops. Refer to Model Chart.
Throttling range: Independently adjustable for each setpoint dial 2 to 10°F/10 psi change in branch line pressure, factory set at 4°F/10 psi.
Output air signal: 0.5 psig (3.4 kPa) to supply air -0.5 psig (-3.4 kPa).
Action: Refer to Model Chart.
Ambient limits: Shipping -40 to 150°F (-40 to 65°C). 0 to 98% R.H., non-condensing.
Operating 20 to 115°F (-7 to 46°C). 10 to 98% R.H., non-condensing.
Supply air pressure: Clean, oil free, dry air required (refer to EN-123).
Requires: 15 and 22 psig (103 and 152 kPa) dual pressure. Refer to Model Chart.
Maximum: 30 psig (207 kPa).
Air connections: Main (black) 5/32 in. dia. spring reinforced plastic tubing.
Branch (white) 5/32 in. dia. spring reinforced plastic tubing.
Air consumption for sizing air compressor: 13.8 scim (3.8 mL/s).
Air capacity for sizing air mains: 80 scim (21.8 mL/s).
Cover: Beige plastic with inserts as standard except aspirated model. Aspirated model has brushed stainless steel covers.
Mounting: Upright position on wall.
Dimensions: 4-3/8 H x 2-3/4 W x 1-5/8 D in. (111 x 70 x 43 mm).

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