Lp907 Airstream Insertion Pneumatic Thermostat; Airstream Insertion - Honeywell Pneumatic Controls Engineering Manual

LP907 Airstream Insertion Pneumatic Thermostat

Typical Heating/Cooling Application.
TP972
M
B
RP670
M
WINTER
18 psi (1.24 BAR)
SUMMER
MP516A
13 psi (.90 BAR)
MP516A
M5448B
Product
Number Action
LP907A1002 Direct Acting
LP907A1044 Direct Acting
LP907A
D.A.
FACE AND BY-PASS
RP418 E-P
RELAY
H L
WIRE IN PARALLEL
WITH FAN MOTOR
FAN
O.A.
R.A.
Setpoint
Temperature
Range
Number
of Pipes Setpoint (F)
1 Single 40 F to 140 F
1 Single 40 F to 140 F
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 Duct Mounted Application.
VP514
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
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: Yes
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)
Accessories:
14002913-002 . 0.007 in. Red In-line Filtered Restriction Assembly;
Inlet: 1/4 in., Outlets: 1/4 in. and 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.
CCT2085 Pneumatic Fitting - Gauge Adapter fits any standard 1/8 in.
NPT gauge,
Throttling
Range
Capacity (F) Includes
Low 10 F to 70 F Fittings for mounting on sheet metal duct.
Order restrictor separately.
Low 5 F to 35 F Fittings for mounting on sheet metal duct.
Order restrictor separately.
70-6925
Thermostats
M
14002913-002
0.007 IN. RESTRICTION
(NOT FURNISHED)
LP907A
M5450
5