Commercial Building Controls : Pneumatic Products : Pneumatic Temperature Controllers : RP920 : RP920A1025/U
Pneumatic Controller, Action: Direct
Overview
High capacity, single/dual input pneumatic controller, used in conjunction with remote sensors, to provide proportional (P) or proportional plus integral (P+I) control of temperature, humidity, pressure, or dewpoint for heating and air conditioning.
Features
- Proportional plus integral control option minimizes offset.
- Miniature diaphragm technology provides high degree of accuracy and reliability.
- Direct Acting models can be converted to Reverse Acting (RA) function in field.
- Field adjustable compensation start point.
- Local or remote setpoint field option. Integral action cut-off provides trouble-free automatic startup.
- Transparent cover (optional) provides protection while allowing easy reading of settings and gages.
- Corrosion resistant construction.
Product Specifications
- Application
- Proportional pneumatic controller
- Airflow Usage
- 0.07 scfm (33.0 mL/s) with 1 psi (7kPa) pressure drop at 18 psi (124 kPa) main air supply
- Dimensions (in.)
- 5 7/8 in. high x 3 13/16 in. wide x 3 1/4 in. without cover x 3 3/8 in. deep with cover
- Dimensions (mm)
- 148 mm high x 96 mm wide x 83 mm without cover x 86 mm deep with cover
- Maximum Safe Operating Pressure (psi)
- 30 psi
- Maximum Safe Operating Pressure (kPa)
- 207 kPa
- Temperature Range (F)
- 40 F to 130 F
- Temperature Range (C)
- 5 C to 55 C
- Includes
- With remote control point adjustment capability.
- Comments
- The controller is capable of operating with the MLP (Mainline pressure) as low as 15 psi (100 kPa) or as high as 23 psi (160 kPa), however recalibration may be required. All RP920s can be converted to reverse acting in the field.
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Connection Size (in.)
- Air: Combination 5/32 in. by 1/4 in. barb. Optional accessory 14003755-001 (barb fitting for port 4,6,7, or 8 for all RP920).
- Pressure Ratings (psi)
- Input Signal-- 3 to 15 psi; Output-- 3 to 13 psi, output signal maximum is Mainline Pressure minus 1/2 psi
- Pressure Ratings (kPa)
- Input Signal-- 21 to 103 kPa; Output-- 21 to 90 kPa, output signal maximum is Mainline Pressure minus 7 kPa
- Action
- Direct Acting
- Mainline Pressure Range (psi)
- 17 to 21 psi; Maximum Safe-- 30 psi
- Mainline Pressure Range (kPa)
- 115 to 145 kPa; Maximum Safe-- 205 kPa
- Capacity
- at 18 psi (124 kPa) MLP and 8.5 psi (59 kPa) BLP (does not include sensor usage): 0.021 scfm (10 mL/s)
- Number of Sensor Inputs
- single
- Remote Control Point Adjustment
- Yes
