Commercial Building Controls : Pneumatic Products : Pneumatic Thermostats : LP916 : LP916B1090/U
Pneumatic Remote Bulb Thermostat Direct Heating, Reverse Cooling Acting
Overview
Two-pipe, single temperature, unit mounted, remote bulb pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems.
Features
- Liquid filled remote bulb.
- Direct Acting (DA), Reverse Acting (RA) and Heating/Cooling (DA/RA) models are available.
Product Specifications
- Application
-
- Airflow Usage
- 0.011 scfm (5.2 mL/s) with 0.005 in. restriction
- Dimensions (in.)
- 4 3/4 in. high x 3 3/4 in. wide x 3 in. deep
- Dimensions (mm)
- 121 mm high x 95 mm wide x 76 mm deep
- Maximum Safe Operating Pressure (psi)
- 25 psi
- Maximum Safe Operating Pressure (kPa)
- 170 kPa
- Temperature Range (F)
- 135 F maximum
- Temperature Range (C)
- 57 C maximum
- Includes
- Integral Mounting Bracket, (2) 316297-00021 Bulb Hangers and 304528A Bag Assembly (mounting hardware).
- Mounting
- In compartment of a unit ventilator
- Approvals, Underwriters Laboratories Inc.
-
- Approvals, CSA
-
- Setpoint Temperature Range (C)
- 19 C to 30 C
- Setpoint Temperature Range (F)
- 65 F to 85 F
- Shipping and Storage Temperature Range (F)
- 150 F maximum
- Shipping and Storage Temperature Range (C)
- 66 C maximum
- Approvals, Factory Mutual
-
- Sensor Element
- Bulb 3/8 x 9 in., capillary 36 in. (914 mm) long; Remote Bulb
- Throttling Range (F)
- 3.5 F
- Throttling Range (C)
- 2 C
- Connection Size (in.)
-
- Differential Pressure Range (psi)
-
- Differential Pressure Range (kPa)
-
- Approvals, NEMA Standard
-
- Action
- Direct Acting Heating, Reverse Acting Cooling
- Air connections
- Barb fittings 1/4 in. (6 mm)
- Setpoint
- Single
- Number of Pipes
- 2
- Scale Markings
- Warmer / Cooler
- Changeover Pressure (psi)
- Heat 18 psi, Cool 13 psi
- Changeover Pressure (kPa)
- Heat 124 kPa, Cool 90 kPa
- Mainline Pressure Range (psi)
-
- Capacity
-
- Control Range (fpm)
-
- Control Range (m/s)
-
- Number of Sensor Inputs
-
- Remote Control Point Adjustment
-
- Approximate Throttling Range, Midscale (psi)
-
- Approximate Throttling Range, Midscale (kPa)
-
