Greenheck Digital Temperature Interlock (474750 IOM) (Pre No Manual do Utilizador descarregar pdf

Digital Temperature Interlock

Installation, Operation and Maintenance Manual

Please read and save these instructions for future reference. Read carefully before attempting to assemble,

install, operate or maintain the product described. Protect yourself and others by observing all safety information.

Failure to comply with instructions could result in personal injury and/or property damage!

Part #474750

Digital Temperature Interlock

General Description

Description

The temperature interlock is designed to automatically

start kitchen hood exhaust fans and keep them

running while heat is being generated from the

cooking appliances. Hood systems should always be

manually started before equipment is turned on. If

the fans are forgotten to be turned on, the interlock

will turn the fans on once heat is detected. The

interlock consists of a temperature controller, resistive

temperature detector (RTD), junction box, Evergreen

Compression Seal threaded ﬁtting, and is contained

in a stand alone box or can be added to a pre-

engineered fan control center.

Purpose

To meet IMC 2006 section 507.2.1.1, interlock

between exhaust fans and cooking equipment. This

system will utilize a temperature sensor in the exhaust

duct collar or in capture area of hood to detect heat

generated from cooking operations and automatically

activate the exhaust fans if not already turned on.

Field wiring may be required depending on location of

components.

Product Application

The temperature interlock is designed to be used

with Type I and Type II hoods. It is not to be used in

conjunction with exhaust ﬁre dampers. Greenheck

recommends using one interlock per hood system

(activates all fans linked to system simultaneously).

Performance Goals

Automatically energize the exhaust fans when cooking

equipment generates heat. Basic controls will be

provided with a temperature sensor and will consist

of an 8x8 electrical box with controls and a labeled

terminal strip to hook-up incoming power and fan

starters. A temperature controller is used to keep the

exhaust fans running when the temperature controller

initially closes to prevent the fan from cycling on and

off at startup and shut down. Fans will shut down

automatically once the temperature has gone below

the set point plus hysteresis. The hysteresis can be

adjusted based on jobsite requirements.

Product Speciﬁcation

Digital Temperature Interlock

International Mechanical Code (IMC) 2006 section

507.2.1.1 Compliant Electrical Package

Provide Greenheck temperature interlock electrical

package as shown on plans and in accordance with

the following speciﬁcation:

The temperature interlock(s) consists of a temperature

controller, resistive temperature detector (RTD),

junction box, ﬁre proof/leak proof threaded ﬁtting

(Evergreen Quik-Seal® and/or Evergreen Compression

Seal), and shall be a self-contained unit or as part of

another pre-engineered electrical control package.

The temperature interlock package shall close a

relay powering the fans when the sensor detects the

temperature set point. The interlock shall hold the

circuit closed upon fan switch being turned off until

the temperature sensor detects a temperature below

the set point plus hysteresis. Once the temperature is

below the set point plus hysteresis, the fans shall shut

down.

The temperature interlock package shall be

constructed by Greenheck in accordance with

International Mechanical Code. The manufacturer

shall provide, upon request, the necessary data that

conﬁrms compliance with the code listed above.

Due to continuous research, Greenheck reserves the

right to change speciﬁcations without notice.

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Resumo do Conteúdo

Página 1 - Digital Temperature Interlock

®1Digital Temperature Interlock®Installation, Operation and Maintenance ManualPlease read and save these instructions for future reference. Read caref

Página 2 - Receiving and Handling

2Digital Temperature Interlock®Table of ContentsProduct Specification ...1General Description ...1Receiving

Página 3 - Installation

3Digital Temperature Interlock®Duct Collar Mounting1. Locate the exhaust duct on top of the hood. A 3/4 to 7/8-inch (19.0 to 22.2 mm) diameter hole m

Página 4 - Electrical Connections

4Digital Temperature Interlock®CalibrationThe temperature controller is preset by the factory to turn the fans on at 95°F. This is controlled by the s

Página 5 - INTERLOCK WIRING

5Digital Temperature Interlock®CONTROL INPUT: 120VAC, 15AMPS FROM BREAKER1L12NGS143T1NOC5 6C178FSFIELD WIRE FIRE SYSTEMMICROSWITCH NO NCCFIELD M

Página 6 - KFCC-TEMP-INTERLOCK

6Digital Temperature Interlock®Control Circuit Diagram (Fan Control Center)closed w/power at H1/N1 & re sys. armedopen w/power at H1/N1 & re

Página 7 - Maintenance

7Digital Temperature Interlock®Operation1. Turn fans on and off using the fan switch. It is normal for the fans to remain running after the switch is

Página 8 - Replacement Parts

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Greenheck Digital Temperature Interlock (474750 IOM) (Pre No Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Equipamento Greenheck Digital Temperature Interlock (474750 IOM) (Pre No. Greenheck Digital Temperature Interlock (474750 IOM) (Pre November 2012) User Manual Manual do Utilizador

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