Honeywell LP920 Catalog Page

Pneumatic Temperature Controllers

BM

3-1/8

(80)

2-11/16

(68)

2-3/4

(70)

5-9/16 (142)

2-1/4

(57)

M18367

M

M B

COIL

DA

C5400

LP920 Remote Bulb Temperature Controllers

Two-pipe, single temperature, pneumatic temperature controller
used to provide proportional control of pneumatic valves and
damper actuators in heating and air conditioning systems.
Replacement devices are available for Johnson, Powers,
Robertshaw, Barber-Colman, and older Honeywell two-pipe
pneumatic temperature controller.

• Fahrenheit or Celsius scales for all adjustments.

• Pilot operated for high capacity.

• Direct Acting (DA) and Reverse Acting (RA) models are available.

• Adjustable setpoint and throttling ranges.

• Scales in bold type for high visibility.

• Replaceable filter cartridge.

• Single point or averaging elements.

Dimensions Diagram in inches (millimeters)

Airflow Usage: 0.011 scfm (5.2 mL/s)
Maximum Operating Temperature: Element: 230 F, Controller: 150 F

(Element: 110 C, Controller: 66 C)

Maximum Storage Temperature: 150 F (66 C)
Maximum Safe Operating Pressure: 30 psi (207 kPa)
Throttling Range:

(Factory set at 6K with adjustment range of 3 to 15 K)

Remote Bulb Sensor: yes
Comments:

Scale plate is revers ble for F and C applications

Accessories:

315046B-Well, 1/2 NPT Copper, 7 1/2 in. (191 mm) long
315904B-1/2 in. NPT stainless steel Well, 7 5/16 in. (186 mm) long
14001865-001-Filter Cartridge Assembly
14002172-001-Gage Tap repair plug

Factory set at 10 F with adjustment range of 5 to 25 F

Pneumatic

Scale Range

Includes(F) (C)

Product Number Action

Number
of Pipes

LP920A1005/U Direct Acting 2 30 F to 150 F -1 C to +66 C 8 ft (2.4 m) averaging element for duct mounting

LP920A1013/U Direct Acting 2 30 F to 150 F -1 C to +66 C 3/8 x 5 1/4 in. (10 x 133 mm) bulb with 3 in. (76 mm) capillar y,

LP920A1021/U Direct Acting 2 30 F to 150 F -1 C to +66 C 3/8 x 5 1/4 in. (10 x 133 mm) bulb with 10 in. (254 mm) capillary,

LP920A1039/U Direct Acting 2 30 F to 150 F -1 C to +66 C 3/8 x 5 1/4 in. (10 x 133 mm) bulb with 5 ft. (1.5 m) capillary,

LP920B1037/U Reverse Acting 2 30 F to 150 F -1 C to +66 C 3/8 x 5 1/4 in. (10 x 133 mm) bulb with 5 ft. (1.5 m) capillary,

well mount

integral duct mount

remote duct mount

remote duct mount

Typical coil discharge control Typical mixed air control

DAMPER

E.P.

OPERATOR

RELAY

O.A. D.A.

LP920B

M B

REVERSE ACTING
SET 75F (24C)
T.R. 5F (3C)

R.A.

N.O.

N.C.

M B

M

COIL

LP920A
DIRECT ACTING
SET 55F (13C)
T.R. 10F (5.5C)

C6501

Controls

70-6910 663