Honeywell LP9116 Pneumatic Remote Bulb Thermostats
GENERAL
The LP916A, B and C Remote Bulb Thermostats provide proportional control of induction units, fan coil units, and unit ventilators. Wide throttling range models are available for duct discharge control of heating and/ or cooling coils and mixed air dampers.
FEATURES
- A proportional two-pipe controller with a liquid filled remote bulb thermal element.
- An integral mounting bracket.
- A high impact styrene cover and a zinc plated base with a black phenolic knob.
- Scale plate available in several ranges.
- Protected barb connectors.
- External knob adjustment.
- A variety of mounting brackets available as accessories.
- A 36-inch (9-14mm)capillary length.
DESCRIPTION
The LP916A, B, and C Remote Bulb Thermostats provide proportional control of duct discharge of heating and/or cooling coils and mixed air dampers.
SPECIFICATIONS
Models:
- LP916A: Direct acting.
- LP916B: Direct acting at 18 psi (125 kPa) supply pressure. Reverse acting at 9 psi (60 kPa) or 13 psi (90 kPa) supply pressure. A switchover mechanism changes from direct to reverse acting with a change in main line pressure (for automatic changeover systems).
- LP916C: Reverse acting.
Maximum Safe Air Pressure:
25 psi (175 kPa).
Maximum Safe Temperature:
Duct-mounted models, 190F (88C); all others, 135F (57C).
Dimensions:
5 x 2-3/ 4 x 3 inches deep
Mounting:
Integral Mounting Bracket Model: Typically mounted inside a unit end compartment. May also be duct mounted using mounting bracket AK3993.
Mounting Kit Model: May be mounted from the top directly or with mounting bracket assemblies 316016A, B, or C.
Air Connections:
Two 1/4 in. (6 mm) push-on barbs. A convenient plug-in branchline pressure gage port is provided on the front.
Fittings:
Integral Mounting Bracket Model: Hangers, mounting screws and tinnerman clips are included with the device.
Mounting Kit Model: Ordered separately.
Accessories:
For Integral Mounting Bracket Model: AK3993 Duct
Mounting Bracket with sheet metal screws and foam gasket.
For Mounting Kit Model: Bag Assemblies 316016A and B with scale plate, mounting bracket, bulb hangers, and mounting screws. Bag Assembly 316016C with scale plate, knob and mounting screws.
Table 1. LP916 Specifications.
| Model | Setpoint RangeF(C) | Scale/Marks | Throttling RangeF(C) | Restriction Size In. | Mounting Bracket | Bulb Size In.(mm) | NominalMLP psi (kPa) |
| LP916A | 65-85(I8-29) | WARMER-COOLER/2F | 3.5 (2) 3.5 (2) 3.5 (2) 7 (3.5) | 0.007 | Integral | l/2×5-7/8(13×149) | 18(125) |
| 65-85(18-29) | WARMER-COOLER/2F | 0.005 | Not Included | 3/8 X 9-5/8(JO X 244) | 18(125) | ||
| 65-85(18-29) | WARMER-COOLER/2F | 0.005 | Integral | 3/8 X 9-5/8(10 X 244) | 18(125) | ||
| 40-80(4-27) | 40-50-60-70-80/2F | 0.007 | Integral | 3/8 X 6-7/8(JO X 175) | 18(125) | ||
| LP916B | 65-85(I8-29) | WARMER-COOLER/2F | 3.5 (2) | 0.007 | Integral Integral Not Included Integral Integral | l/2×5-7/8(13×149) l/2×5-7/8(13 X 149) 3/8 X 9-7/8(10 X 25J) 3/8 X 9-7/8(IO X 251) 3/8×9-7/8(10×251) | 13-18(90-125) |
| 65-85(18-29) | WARMER-COOLER/2F | *2(1) | 0.007 | 9-18(60-125) | |||
| 65-85(18-29) | None | 3.5 (2) | 0.005 | 13-18(90-125) | |||
| 65-85(18-29) | WARMER-COOLER/2F | 3.5 (2) | 0.005 | 13-18(90-125) | |||
| 65-85(18-29) | WARMER-COOLER/2F | 3.5(2) | 0.005 | 13-18(90-125) | |||
| LP916C | 60-80(I6-27) | 60-80/lF | 3.5(2) | 0.007 | Integral | 3/8×9-7/8(!Ox251) | 18(125) |
| 65-85(I8-29) | WARMER-COOLER/2F | 3.5(2) | 0.007 | Integral | l/2×5-7/8(13×149) | 18(125) | |
| 65-85(18-29) | WARMER-COOLER/2F | 3.5 (2) | 0.005 | Integral | 3/8 X 9-7/8( JO X 251) | 18(125) | |
| 40-80(4-27) | 40-50-60-70-80/2F | 7(3.5) | 0.007 | Integral | 3/8 X 6-7/8(!Ox175) | 18(125) |
*Throttling range for 3 to 9 psi (21 to 60 kPa) branchline pressure.
In the USA: Honeywell Plaza, Minneapolis, Minnesota 5 5408 In Canada: Scarborough, Ontario MIP 2V9
Subsidiaries and Affiliates Around the World
Printed in USA
