Chromalox®

Installation Instructions

SERVICE REFERENCE

DIVISION 4

 

SECTION GNIT

SALES

(Supersedes PK479-2)

PK479-3

REFERENCE

161-506172-001

DATE AUGUST, 2006

GNIT Moisture and Corrosion Resistant Industrial Thermostat

Features:

Rugged Design

Moisture and Corrosion Resistant

Teflon® Covered Capillary/Bulb

Large Setpoint Dial

Easy Installation

Line Voltage

DPST 25 Amp Switch

Teflon® is a registered trademark of DuPont Co.

Specifications —

Model

PCN

Temperature

Volts

Max

Capillary

Stock

Range (˚F)

Amps.

Length (Ft.)

 

 

 

 

GNIT-5

360946

30 to 220

120/240

25

5

S

GNIT-12

360954

30 to 220

120/240

25

12

S

 

 

 

 

 

 

 

Other temperature ranges available. Contact your local Chromalox Sales office.

GENERAL

FIRE/EXPLOSION HAZARD. This thermostat is not intended for use in hazardous atmospheres where flammable vapors, gases, liquids or other com- bustible atmospheres are present as defined in the National Electrical Code. Failure to comply can result in personal injury or property damage.

NOTICE: Type GNIT Thermostats are designed for temperature control service only. Because they are not fail safe, they should not be used for temperature limiting duty.

The system designer is responsible for the safety of this equipment and should install adequate back-up controls and safety devices with their electric heating equipment. Where the conse- quences of failure could result in personal injury or property damage, back-up controls are essential.

The GNIT Non-Indicating Corrosive Resistant Thermostat is designed for applications in atmospheres where corrosive material is present. The double pole/single throw thermostat is available with either a 5 foot or 12 foot copper capillary which is sleeved with

Teflon®. The Teflon® also covers the bulb. The thermostat is designed for 25 amperes resistive loads for either 120 or 240 Vac.

Specifications:

 

Range

30 to 220˚F

Switch Action

DPST (Double Pole/Single Throw)

Current

25 Amperes, 120 or 240 Vac

Accuracy

±9˚F

Load Lamp

120 Vac or 240 Vac

Capillary Length

GNIT-5, 5 Foot

Diameter of Teflon® Cover

GNIT-12, 12 Foot

5/16” OD

Application Notes

1.Customer external fuse required.

Process Temperature Differential — is variation in controlled process temperature between maximum, when thermostat turns OFF and minimum, when thermostat turns ON. This spread in temperature may be minimized by:

1.Making sure control is mounted to vertical surface. (See Step 1, MOUNTING.)

2.Avoid excess heating capacity (oversized heaters).

3.Locating control sensing bulb in optimum position between heat source and work.

MOUNTING

Note: Do not mount thermostat where it will be subject to vibra- tion or shock. Do not mount adjacent to a large magnetic contac- tor, as vibration and shock will cause thermostat to interact errati- cally — resulting in chattering of the contactor.

The air temperature in and around the thermostat enclosure should be kept as near to normal room temperature as possible…

never above 150˚F or below 30˚F.

1.Thermostat must be mounted in a vertical position only.

2.Use sheet metal or wood screws through the four 1/4” diame- ter mounting holes in baseplate to mount control.

© 2010 Chromalox, Inc.

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Chromalox GNIT-5 installation instructions General, Mounting, Teflon is a registered trademark of DuPont Co

GNIT-5 specifications

The Chromalox GNIT-5 offers a robust solution tailored for industrial heating applications, designed to meet the evolving demands of modern industries. As a part of Chromalox's renowned line of electric heating equipment, the GNIT-5 integrates advanced technology with user-friendly features, ensuring efficiency and reliability.

One of the main features of the GNIT-5 is its ability to provide precise temperature control. The integrated digital controller allows for accurate adjustments, promoting optimal heating performance across various processes. This accuracy not only enhances safety by preventing overheating but also contributes to energy savings, making the GNIT-5 an eco-friendly choice for businesses.

The GNIT-5 is equipped with state-of-the-art heating elements that ensure quick and uniform heat distribution. This technology helps minimize hot spots, which can lead to equipment damage or product degradation. The durable construction of the GNIT-5, from high-quality materials to robust insulation, ensures longevity and reliability in challenging industrial environments.

Another notable characteristic of the GNIT-5 is its versatility. It is designed to accommodate a range of applications, including temperature maintenance for pipelines, tank heating, and process heating in various industries such as oil and gas, food processing, and chemical manufacturing. This adaptability makes it an invaluable asset for facilities looking to streamline their heating processes.

Safety is a paramount concern in industrial settings, and the GNIT-5 addresses this with several built-in protective features. These include over-temperature protection and fault indication systems that alert operators to potential issues before they escalate. This proactive approach to safety helps minimize downtime and protects both personnel and equipment.

Ease of installation and maintenance is another advantage of the GNIT-5. Designed with the user in mind, the system features straightforward mounting and wiring processes, reducing the time and effort required for setup. Additionally, maintenance access is facilitated, allowing for regular inspections and servicing to keep the system functioning optimally.

In summary, the Chromalox GNIT-5 stands out in the realm of industrial heating solutions. Its precise temperature control, innovative heating technologies, versatility in application, robust safety features, and user-friendly design make it a top choice for businesses seeking efficient and reliable heat management solutions. As industries continue to evolve, the GNIT-5 remains a key player in ensuring quality and performance.