Thermostats Table of Contents PRODUCT PRODUCT CODE TECHNICAL INSTRUCTIONS PAGE # Pneumatic Room Thermostats—Powerstar Overview/Selection Guide A-3 Single Setpoint Room Thermostats TH 192S 155-065P25 A-5 Heating/Cooling Room Thermostats TH 192/4HC 155-066P25 A-7 Day/Night and Day/Night/Vent Room Thermostats TH 192/4DN/DNV 155-067P25 A-9 Free Energy Band Heating/Cooling Room Thermostats TH 193HC 155-068P25 A-11 (Hesitation) Free Energy Band Heating/Cooling Room Thermostats TH 193HC 155
Table of Contents (Continued) PRODUCT PRODUCT CODE TECHNICAL INSTRUCTIONS PAGE # Room Temperature Controllers for CAV and VAV Systems RCU61 155-328P25 A-51 Room Temperature Controller with Two 0 to 10 Vdc Outputs RLA162.5U 155-515 A-55 Room Temperature Controllers with LCD for Heating and Cooling Systems RDU... 155-735 A-59 Room Temperature Controllers with LCD RDX... 155-747 A-63 Room Temperature Controllers with LCD for Two-Pipe Fan Coil Units RDF...
Overview Powerstar Room Thermostats Proven to provide fast response and highly accurate temperature control, Powerstar Pneumatic Room Thermostats are designed to control heating and/or cooling by operating a variety of pneumatic devices such as valves or damper actuators. Powerstar thermostats are factory-calibrated to control pneumatic devices over a 3 to 15 psi (103 to 207 kPa) range.
Thermostats A-4 TECH TIPS Visit us on the web at: www.usa.siemens.com/hvaccomponents You can: • search for products by part number or description. • print out product information for submittals. • link to technical documentation. • locate a distributor near you. www.usa.siemens.
192 S Powerstar Single Setpoint Pneumatic Room Thermostat 192 S Thermostat chassis. Typical wall plate and screws. Applications Providing proportional single output, single setpoint, 1-pipe for low air capacity or 2-pipe for high air capacity pneumatic room temperature control, the 192 S Powerstar Single Setpoint Pneumatic Room Thermostat is the most economical model. Refer to the Retroline® Retrostats to replace competitive models.
Specifications/Product Ordering For complete conversion kits, refer to the Retroline® Retrostats starting on page A-15. Scale; Range Major (minor) Divisions ............................................ 45 to 85°F, 10(2)°F (7 to 30°C, 5(1)°C) Factory Calibration .....................................................72°F, 7.5 psig ±0.3 (22°C, 52 kPa @ 1.8) Sensitivity Adjustment Range .................1 to 4 psi/°F (12 to 50 kPa/°C) Factory Setting ....................................................2.
192 HC Powerstar Heating/Cooling Pneumatic Room Thermostats 192 HC Thermostat chassis. Typical wall plate and screws. 192 HC Thermostat with plastic cover. Chassis wall plate with easy maintenance plug-in adapters shown (optional).
Specifications/Product Ordering For complete conversion kits, refer to the Retroline® Retrostats starting on page A-15. Scale; Range Major (minor) Divisions ..............................................45 to 85°F, 10(2)°F (7 to 30°C, 5(1)°C) Factory Calibration ..................................................... 72°F, 7.5 psig ± 0.3 (22°C, 52 kPa @ 1.8) Sensitivity Adjustment Range .................. 1 to 4 psi/°F (12 to 50 kPa/°C) Factory Setting .....................................................
192 DN/DNV Powerstar Day/Night/Vent Pneumatic Room Thermostats 192 DN Thermostat chassis. 192 DN Thermostat with plastic cover. Chassis wall plate with easy maintenance plug-in adapters shown (optional). Typical wall plate and screws.
Specifications/Product Ordering Scale; Range Major (minor) Divisions ............................................ 45 to 85°F, 10(2)°F (7 to 30°C, 5(1)°C) Factory Calibration .............................................................72°F, 7.5 psig (22°C, 31 kPa) Sensitivity Adjustment Range .................1 to 4 psi/°F (12 to 50 kPa/°C) Factory Setting .................................................... 2.5 psig/°F (31 kPa/°C) Limit Stop Field Adjustment Range ..........................................
193 HC Powerstar Free Energy Band Heating/Cooling Pneumatic Room Thermostats 193 HC Thermostat chassis. 193 HC Thermostat with plastic cover. Chassis wall plate with easy maintenance plug-in adapters shown (optional). Typical wall plate and screws.
Specifications/Product Ordering For complete conversion kits, refer to the Retroline® Retrostats starting on page A-15. Scale; Range Major (minor) Divisions ............. 45 to 85°F, 10(2)°F (7 to 30°C, 5(1)°C) Factory Calibration .....................................................72°F, 7.5 psig ±0.3 (22°C, 52 kPa @ 1.8) Sensitivity Adjustment Range .................1 to 4 psi/°F (12 to 50 kPa/°C) Factory Setting .................................................... 2.
193 HC Powerstar (Hesitation) Free Energy Band Heating/Cooling Pneumatic Room Thermostats 193 HC Thermostat chassis. Typical wall plate and screws. 193 HC Thermostat with plastic cover. Chassis wall plate with easy maintenance plug-in adapters shown (optional).
Specifications/Product Ordering Scale; Range Major (minor) Divisions ........................................... 45 to 85°F, 10(2)°F/ (7 to 30°C, 5(1)°C) Factory Calibration “FEB” Output Pressure .................................................. 7.5 psi (52 kPa) Temperature ........................................................................ 72°F (22°C) Sensitivity .............................................................2.5 psi/°F (31 kPa/°C) Sensitivity Adjustment Range ..........................
192/194 Powerstar Retrostat Pneumatic Room Thermostats easily replaces: • Barber-Colman (Siebe) • Johnson Controls • Honeywell • Robertshaw (Siebe) 192/194 Dual Setpoint Pneumatic Room Thermostat Kit. Applications The Powerstar Retroline Retrostat Pneumatic Room Thermostat converts most existing pneumatic room thermostats to a Powerstar 192 direct or reverse acting, 2-pipe, single or dual setpoint unit.
Single Setpoint Specifications/Product Ordering Description Thermometer & Setpoint Scales Single Temperature °F 192-840 192-841 Single Temperature °C 192-850 192-851 Kits include covers. If a different cover is required, refer to the Accessories and Service Kit section. Thermometer & Setpoint Scales Kit Part No.
Product Ordering Manufacturer Part Number Single Temperature, Direct Acting 192-840 192-202 T-4002-202 1 Single Temperature, Reverse Acting 192-841 192-203 Single Temperature, Direct Acting 192-840 192-202 Single Temperature, Reverse Acting 192-841 192-203 Day (DA) 15 psi (103 kPa) changeover/Night (DA) 20 psi (138 kPa) 194-3043 194-2043 T-4002-204 T-4506-201 1 T-4506-202 194-2043 T-4506-203 Day (DA) 15 psi (103 kPa) changeover/Night (DA) 20 psi (138 kPa) 194-3043 194-2043 T-4506-
Product Ordering Retroline Part No. Kit Replace.
832 D Pneumatic Room Thermostats 832 D Pneumatic Room Thermostat and screws. Applications The single setpoint, direct acting thermostat provides gradual acting pneumatic room temperature control for heating and cooling applications. The 832 D Thermostat is ruggedly constructed for dependable, long-term service.
Specifications/Product Ordering Control Action ................................................................................. Direct Operating Range ................................................. 60 to 85°F (15 to 30°C) Sensitivity Fixed ....................................................2.5 psi/°F (31 kPa/°C) Temperature Response ...................................................... 0.5°F (0.3°C) Maximum Ambient Temperature ........................................110°F (43°C) Dial Graduations .....
356 Limitem Rigid Bulb Thermostats 356 Limitem Rigid Bulb Thermostat. Applications The 356 Limitem Rigid Bulb Thermostat is a pneumaticallyoperated, duct-mounted thermostat, which is available in either direct or reverse acting in a variety of ranges. The 356 Limitem Rigid Bulb Thermostat provides primary control for unit ventilators, fan coils and other air handling units. Can also be used as low limit control for air flow to a controlled space.
Specifications/Product Ordering 0 to 100 °F (-18 to +38°C) 356-0012 30 to 180°F (-1.11 to +82.2°C) 356-0750 0 to 100°F (-18 to +38°C) 356-0013 30 to 180°F (-1.11 to +82.2°C) 356-1005 100 to 250°F (37.8 to 121°C) 356-1006 Thermostats Part No. Reverse Acting A-22 Temperature Operating Range Nominal Air Supply Pressure ................... 18 to 25 psi (124 to 172 kPa) Maximum External Pressure (on bulb) .................... 250 psi (1722 kPa) Mounting ...........................................
357 D Limitem Remote Bulb Thermostats 357 D Limitem Remote Thermostat with an average bulb. Description Applications The 357 D Limitem Remote Bulb Thermostat is a pneumatically-operated thermostat that is gradual, direct acting with a remote or averaging bulb. The 357 D Limitem Remote Bulb Thermostat provides primary monitoring and control for air handling units or a low limit control. • Direct acting only Application Drawings Dotted lines are alternative control schemes.
Specifications/Product Ordering Temperature Operating Range Air Connection ............................................................................1/8" NPT Dimensions (Case) ..............................................1.75" Diameter x 3.5" H (44.5 mm Diameter x 88.9 mm H) Shipping Weight ................................................................ 2.0 lb. (0.9 kg) Accessories & Service Kits A-92 Bulb Maximum Ambient Temp. Part No. Sensing Element Capillary 20 to 100°F (-6.7 to +37.
188 Unit Mounted Thermostats 188 Unit Mounted Thermostat. Applications The 188 Unit Mounted Thermostat is a gradual acting thermostat with a remote bulb operating on the forcebalance principle, using pneumatic feedback to obtain linearity and maintain selected room temperature by positioning pneumatic devices to control heating or cooling. The 188 Unit Mounted Thermostats are designed primarily for use in fan coil induction units and unit ventilators to control the temperature within and occupied space.
Specifications/Product Ordering Control Action ............................... Heating/Cooling, Direct and Reverse; Direct only; Reverse only Operating Range ........................................... 60 to 85°F (15.5 to 29.4°C) Operating Pressure .............................................. 30 psi (207 kPa) max. Adjustment Sensitivity ........................1 to 5.25 psi/°F (12 to 65 kPa/°C) Factory Sensitivity Setting .................................2.25 psi/°F (28 kPa/°C) Temperature Response ......
134 Pneumatic High and Low Temperature Detection Thermostats 134 Pneumatic Low Temperature Detection Thermostat. Applications The 134 High and Low Temperature Detection Pneumatic Thermostats automatically “lockout” at setpoint and require manual reset. The 134 Pneumatic High and Low Temperature Detection Thermostats are used on pneumatic heating and cooling systems in areas protected from the weather.
Specifications/Product Ordering Part No. 134-1700 Part No. 134-1710 Ambient Temperature Range .............................Greater than setpoint to 140°F (60°C) Pneumatic Switch ...........................NC, 0.020" (0.6 mm) diameter bleed Control Point Low Temperature Thermostat ..............................Lowest temperature at any one foot section of the sensing bulb Case Finish .............................................................. Gray Baked Enamel Shipping Weight ...........................
141 Electric Line Voltage Remote Bulb Thermostats 141 Electric Line Voltage Remote Bulb Thermostat. Applications The 141 Electric Line Voltage Remote Bulb Thermostat is a two-position electric line voltage thermostat with remote bulb. The 141 Electric Line Voltage Remote Bulb Thermostat is used for temperature control in heating and cooling application, typically to directly operate two-position damper motor actuators, motor actuated valves, relays and similar equipment.
Specifications/Product Ordering Inductive Amps Full Load Amps 120 Vac......................................................................................... 7.4 240 Vac......................................................................................... 3.7 Locked Rotor Amps 120 Vac....................................................................................... 44.5 240 Vac....................................................................................... 22.2 Resistive Amps 120 Vac .......
134 Electric Line Voltage Room Thermostats Heating/Cooling 134 Electric Line Voltage Room Thermostat—Heating/Cooling. Applications The 134 Electric Line Voltage Room Thermostat is a line voltage On/Off room thermostat for heating and cooling applications. The 134 Electric Line Voltage Room Thermostat controls heating and cooling applications or year-round air conditioning units in commercial, industrial, or residential installations.
Specifications/Product Ordering Part No. 134-1083 Part No. 134-1085 Motor Rating 120 Vac .......................................................................................... 6.0 A 240 Vac .......................................................................................... 3.7 A Switch Action ........................................SPST with “Auto-Off-Fan” switch Dimensions .................................................. 2.78" W x 5.19" H x 1.
RAA… Electric Room Thermostats RAA10C Fan Coil Thermostat with concealed setpoint knob. RAA20U Room Thermostat with exposed setpoint knob. Applications Designed for simple heating or cooling or heating/cooling applications, RAA… Electric Room Thermostats are an attractive and economical solution that utilize two-wire, gas membrane technology.
Specifications/Product Ordering Operating Voltage ........................................................ 24…120, 277 Vac Frequency ..............................................................................50 or 60 Hz Setpoint Adjustment Range .............................. 50 to 85°F (10 to 29°C) Switching Differential ......................................................... < 1.8°F (1°C) Switch Rating ............................................. 6A RES, 3.5 A FLA, 12A LRA Time Constant ............
Dimensions RAA20U... Thermostat 3.80 (96.4) 1.42 (36) TH0497R2 TH0503R2 3.92 (99.6) 3.92 (99.6) RAA10C... Thermostat 3.80 (96.4) 1.68 (42.8) Wall Plate (ARG70) for Mounting (RAA10CW and RAA20UW) A-35 Thermostats Dimensions shown in inches (mm). www.usa.siemens.
Engineering Drawings Wiring Diagrams Operating Diagrams Heating Mode Heating Mode Cooling Mode RAA10C…/RAA20U… Key D1 D2 L N N1 Heating device Cooling device Operating voltage Neutral Room thermostat S T W Y On/Off switch Thermostat Heating control output Cooling control output Thermostats A-36 www.usa.siemens.
