Pneumatic Thermostats
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 |
|
TP972 |
|
LP907A |
|
|
|
|
|
|
|
|
|
|
D.A. |
|
M B |
RP670 |
|
|
|
|
|
|
|
M |
|
|
|
|
WINTER |
|
|
|
|
18 psi |
(1.24 BAR) |
|
|
|
SUMMER |
MP516A |
|
|
|
13 psi |
(.90 BAR) |
|
|
|
|
|
|
||
|
|
|
FACE AND BY-PASS |
|
|
|
|
RP418 E-P |
|
|
|
H L |
RELAY |
|
|
|
|
WIRE IN PARALLEL |
|
|
|
|
WITH FAN MOTOR |
|
|
|
|
|
FAN |
|
|
MP516A |
|
|
M5448B |
|
R.A. |
O.A. |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
M |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14002913-002 |
|
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.007 IN. RESTRICTION |
|||
|
|
|
|
|
|
|
|
|
VP514 |
|
|
|
|
(NOT FURNISHED) |
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LP907A |
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
M5450
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: 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)
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 |
|
Throttling Range |
|
||
|
|
|
|
|
|
|
|
|
Product Number |
Action |
Setpoint |
(F) |
(C) |
Capacity |
(F) |
|
(C) |
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
646 |
customer.honeywell.com |
70-6910 |
Loading...