Honeywell LP907 Catalog Page

Pneumatic Thermostats

M5448B

R.A.

O.A.

MP516A

LP907A

D.A.

FAN

TP972

RP670

WINTER 18 psi (1.24 BAR) SUMMER 13 psi (.90 BAR)

FACE AND BY-PASS

MP516A

H L

RP418 E-P RELAY

WIRE IN PARALLEL WITH FAN MOTOR

M5450

LP907A

VP514

14002913-002

0.007 IN. RESTRICTION (NOT FURNISHED)

LP907 Airstream Insertion Pneumatic Thermostat

One-pipe, single setpoint, pneumatic thermostat used to provide proportional control of pneumatic valves and damper actuators in heating and air conditioning systems. Commonly used as discharge controllers for unit ventilators.

• Rod and tube insertion sensing element.

• Wide throttling range.

• Gage tee and tank valve facilitate checking line pressures.

Typical Heating/Cooling Application Typical Duct Mounted Application

Product Number Action Setpoint

LP907A1002/U Direct Acting Single 40 F to 140 F 4 C to 60 C Low 10 F to 70 F 6 C to 39 C

LP907A1044/U Direct Acting Single 40 F to 140 F 4 C to 60 C Low 5 F to 35 F 3 C to 19 C

Application Type: Low Limit controller Dimensions, Approximate: 5 7/16 in. high x 1 1/16 in. wide x 2 1/4 in.

deep (138 mm high x 27 mm wide x 57 mm deep)

Airflow Usage: 0.011 scfm (5.2 mL/s) Air Connections: Barb fittings 1/4 in. (6 mm) poly tubing Number of Pipes: 1 Mounting: Insertion with locknut on boss of insertion shank Operating Temperature: 40 F to 140 F (4 C to 60 C) Storage Temperature: 150 F maximum (66 C maximum) Remote Bulb: Ye s Sensor Element: Invar rod and seamless brass tube, 18 3/4 in. (476

mm) long and 11/32 in. (9 mm) diameter

Maximum Operating Pressure: 25 psi (170 kPa) Includes: Fittings for mounting on sheet metal duct. Order restrictor

separately.

Accessories:

CCT2085-Pneumatic Fitting - Gauge Adapter fits any standard 1/8 in.

NPT gauge,

14002913-002-.007 in. Red in-line Filtered Restriction Assembly; Inlet:

1/4 in., Outlets: 1/4 in. Order in Quantities of 10

14002913-003-External Restriction Assembly. 0.007 in. Restriction,

Red, Inlet 1/4 in; Outlet 1/4 in. and 5/32 in.

Setpoint Temperature Range

(F) (C) (F) (C)

Capacity

Throttling Range

646 customer.honeywell.com 70-6910