Honeywell LP9116 Pneumatic Remote Bulb Thermostats User Manual

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