Overview
Pneumatic thermostat with night setback used for proportional control of pneumatic valves and damper actuators. Replacement kits are available for Johnson Powers Robertshaw Barber-Colman and older Honeywell two-pipe pneumatic thermostats.
Features
Durable TP970 series thermostat Pilot operated for high capacity.
Direct Acting (DA) and Reverse Acting (RA) models are available.
Three-pipe thermostats are available for unit ventilator applications where the outdoor damper must operate when the thermostat is manually set to day operation.
Adapter plate in thermostat kits covers existing thermostat watermark.
Backplate has molded air connections-no separate fittings needed.
Universal Locking cover with satin chrome finish and horizontal vertical or blank window options-other covers available.
Product Specifications
ApplicationWall Thermostat Day/Night operationAirflow Usage0.011 scfm (5.2 mL/s)Dimensions (in.)3 1/4 in. high x 2 in. wide x 1 5/8 in. deepDimensions (mm)83 mm high x 51 mm wide x 41 mm deepMaximum Safe Operating Pressure (psi)25 psiMaximum Safe Operating Pressure (kPa)170 kPaTemperature Range (C)38 C maximumIncludesOrder Cover SeparatelyCommentsHas secondary branch lineMountingWall mountApprovals Underwriters Laboratories Inc.N/SApprovals Canadian Standards AssociationN/SSetpoint Temperature Range (C)Day: 15 C to 30 C Night: 10 C to 27 CShipping and Storage Temperature Range (F)150 F maximumShipping and Storage Temperature Range (C)66 C maximumApprovals Factory MutualN/SSensor ElementBimetalThrottling Range (F)2 F to 10 FThrottling Range (C)1 C to 5 CConnection Size (in.)N/SDifferential Pressure Range (psi)N/SDifferential Pressure Range (kPa)N/SApprovals NEMA StandardN/SActionDirect Acting Heating two temp.SetpointDay/NightNumber of Pipes 3 Changeover Pressure (psi) Day 13 psi Night 18 psi Changeover Pressure (kPa) Day 90 kPa Night 124 kPa Mainline Pressure Range (psi) N/S Capacity N/S Control Range (fpm) N/S Control Range (m/s) N/S Number of Sensor Inputs N/S Remote Control Point Adjustment N/S Approximate Throttling Range Midscale (psi) N/S Approximate Throttling Range Midscale (kPa) N/S
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