Specifications, Installation | Emerson Process Management 37-5392D

SPECIFICATIONS

Switch Action: SPDT

Electrical Ratings: 3.0 amps @ 30 VAC

1.0amps @ 120 VAC

0.5amps @ 240 VAC

Terminals: Three 0.250” spade terminals

Capillary Length: 48 inches

Sensing Bulb Type: 7⁄16-27 threaded nut for mounting to pilot burner

INSTALLATION

!CAUTION

To avoid personal injury and/or property dam- age, shut off gas and electrical power to the heating system until installation is complete.

1.Unscrew flame sensor mounting nut from the pilot burner and remove old flame sensor. Do not discon- nect wiring from the switch case at this time.

2.Insert replacement flame sensor in pilot burner and secure with mounting nut. Be sure the new sensing bulb is in the same position relative to the pilot flame as the sensor it replaced.

3.Carefully uncoil the capillary until the switch case reaches its mounting location. Remove mounting screws and replace old switch case with the new switch case.

4.Make electrical connections by removing one wire at a time from the old sensor and transferring it to the corresponding terminal on the new switch case.

5.Turn on gas and electrical power to the system. Check the system for proper operation. The pilot flame will heat the sensor sufficiently to close the (HOT) contact and allow the main burner to ignite when the thermostat calls for heat. Upon loss of pilot flame, the sensor will cool and transfer to the cold contact, which prevents the gas valve from being energized.

3 2 4

Terminal location

on switch case

4 (COM)

N.C.

(COLD)

2 (HOT)

N.O.

Switch action

37-5392D specifications

Emerson Process Management 37-5392D is a powerful and versatile device that plays a significant role in various industrial applications. This particular model is part of Emerson's commitment to providing advanced solutions for process automation, contributing to increased efficiency and productivity in manufacturing and processing industries.

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