Greenheck 474750 Bedienungsanleitung

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!

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 Fan Corporation 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 Fan Corporation 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 Fan

Corporation reserves the right to change speciﬁcations

without notice.

Document 474750

Digital Temperature Interlock

2Digital Temperature Interlock

Table of Contents

Product Specification ........................1

General Description ..........................1

Receiving and Handling.......................2

Installation

Hood Mounting.........................2-3

Duct Collar Mounting ......................3

Electrical Connections

Sensor Connections .......................3

Switch Connections to Control Box

or Fan Control Center ....................3

Circuit Connections .......................3

Calibration...............................4

Factory Selected Parameters

Setting Parameters ....................3-4

Control Circuit Diagrams ....................5-6

Testing ...................................7

Operation ..................................7

Troubleshooting .............................7

Maintenance ...............................7

Frequently Asked Questions ...................8

Replacement Parts ..........................8

Codes and Standards Compliance ..............8

Our Commitment ............................8

Receiving and Handling

Upon receiving the equipment, check for both obvious

and hidden damage. Check to be sure that all parts of

the shipment, including accessories, are accounted for.

Make sure the equipment does not suffer any heavy

vibrations or knocks.

Storage

If a temperature interlock must be stored prior to

installation, it must be protected from dirt and moisture.

Indoor storage is recommended. For outdoor storage,

cover the control package with a tarp to keep it clean,

dry, and protected from UV (ultraviolet) radiation

damage.

Improper storage which results in damage to the unit

will void the warranty.

NOTE

Resistive temperature detector(s) may be factory

installed. If so, continue to the next section.

Resistive Temperature Detector(s)

Hood Mounting

Installation

Control Box Mounting

Locate an area with enough space to mount the control

box and fasten to the wall. Avoid installing the control

box in environments with high magnetic and/or radio

frequency interference.

2. Cut a 3/4 to 7/8-inch diameter

hole in the ﬂat spot of the

capture tank. Make

sure the resistive

temperature detector(s)

will not interfere with ﬁre

system nozzles and is

not within 12inches of

light ﬁxtures.

0.75 to 0.875 inch

(19.0 to 22.2 mm)

diameter hole

Hood Surface

NOTE

Control box may be factory mounted. If so, continue

to the next section.

1. Locate ﬂat area(s) at the top interior of the hood in

front of the ﬁlters, towards the front of the hood.

3 inch air space

2 inch typical

19.525 inches

Sensor Install

(cutout area)

Exhaust Area

Supply Area

(optional)

P.O.BOX 410 SCHOFIELD, WI

TITLE

INSTR, ADJ. T

Top View of Exhaust Hood

Octagon Extension

PN 830125

Lock Washer

Nut

Compression Seal

PN 463570

Gasket

J-Box Plate

PN 732396

3. Place the J-box plate inside of the octagon extension

ring and place over the hole.

4. Disassemble the compression seal and place

through hole and J-box plate as shown. Tighten the

nut inside the octagon extension ring.

Digital Temperature Interlock

Resistive Temperature Detector(s)

Duct Collar Mounting

1. Locate the exhaust duct on top of the hood. A 3/4 to

7/8-inch (19.0 to 22.2 mm) diameter hole must be cut

into the duct 2inches

(50.8 mm) above the

hood top. Center the

hole along the side

of the duct. Make

sure that the resistive

temperature detector

will not interfere with

any ﬁre system nozzles, or other items installed in

the exhaust duct. If an exhaust ﬁre damper is present

the hood exhaust collar, it must be removed prior to

temperature sensor installation.

2. Place the J-box plate inside of the octagon extension

ring and place over the hole in the exhaust collar.

3. Disassemble the

compression

seal and place

through hole in

duct collar and

J-box plate as

shown. Tighten

the nut inside

the octagon

extension ring.

4. Place the

resistive

temperature

detector

through the

compression

seal and

tighten the

compression

ﬁtting.

5. Refer to Electrical Connections section for

instructions on wiring the temperature sensor.

6. Install the cover for the octagon box.

NOTE

All ﬁeld installation and wiring of electrical equipment

must be done to meet NEC and local codes.

5. Place the resistive

temperature

detector through

the compression

seal and tighten

the compression

ﬁtting.

6. Refer to Electrical

Connections

section for

instructions on wiring the temperature sensor.

7. Install the cover for the octagon box.

Resistive Temperature

Detector (RTD)

PN 384925

Octagon Cover

PN 380926

Octagon Extension

PN 830125

2 inches

(50.8 mm)

Hood Exhaust Collar

Front Side

0.75 to 0.875 inch

(19.0 to 22.2 mm)

diameter hole

Octagon Extension

PN 830125

Lock Washer

Nut

1/4-inch Compression Seal

PN 463570

J-Box Plate

PN 732396

Quik Seal

Gasket

Resistive Thermostat

Detector (RTD)

PN 384925

Octagon Cover

PN 380926

Octagon Extension

PN 830125

Electrical Connections

Sensor Connections

1. Run two 18 awg stranded thermostat wires from

each temperature sensor to the appropriate electrical

circuit connections. (See Step 3 for connection

options).

2. In junction box, connect leads on RTD to the 18awg

conductors using appropriate size wire nuts.

• Wires are interchangeable with one another.

3. Choose

the ﬁnal

connection

option

based on:

CAUTION

Do not connect temperature sensor in series with fan

power. This will result in damage to the temperature

sensor and will require replacement.

NOTE

Separate as much as possible the probe and digital

input cables from inductive loads and power cables,

to avoid any electromagnetic disturbance. Never lay

power and probe cables in the same cable conduits

(including those for the electrical panel). Loosen

every screw and insert the cable end, next tighten

the screws and gently pull the cables to check their

tightness.

Switch Connections to Control Box or

Fan Control Center

Connect a Single Pole Single Throw (SPST) switch

to terminals S1H and S1. This is the same whether

temperature interlock is in a separate control box or

integrated in a kitchen fan control center.

Circuit Connections

1. Standard Interlock Control

• 120VAC, 10 or 15 amp circuit to terminals

H1 and N1

• 120VAC, 24VAC or other control circuit for fan

starter activation (factory separated from main

power connection shown in previous bullet)

- Control circuit power to terminal CP1

- Terminal CP2 to fan starter coils (hot)

2. Kitchen Fan Control Center Integration (KFCC)

• 120VAC, 15 amp circuit to H1 and N1 in fan

control center

- No additional control circuits are required

- Fan starters are factory-wired.

Sensor Terminals

First Sensor T1-A and T1-B

Others

(if applicable)

T2-A and T2-B

T3-A and T3-B

T4-A and T4-B

T5-A and T5-B

T6-A and T6-B

T7-A and T7-B

T8-A and T8-B

T9-A and T9-B

T10-A and T10-B

T11-A and T11-B

T12-A and T12-B

4Digital Temperature Interlock

Calibration

The temperature controller is preset by the factory to

turn the fans on at 95°F. This is controlled by the set

point on the temperature controller. The temperature set

point may have to be adjusted slightly depending on

both ambient and cooking conditions. The adjustment is

made through the buttons on the temperature controller.

The controller is capable of monitoring two separate

sensors. If more than one sensor is utilized with a single

controller, two set points can be adjusted. To adjust,

follow these instructions:

1. If setting set point 1 (St1), press Set. The display

shows St1 and then the current value of St1.

If setting set point 2 (St2), press Set twice, slowly.

The display shows St2 and then the current value of

St2.

2. Press the Sor Tto change the set point.

3. Press Set to conﬁrm the new value of either St1 or

St2.

4. Check system operation before making additional

adjustments.

Factory Selected Parameters

The factory will pre-program the controllers to be

properly integrated into the control panel. Except for

the set points, the other parameters should never need

adjusting. However, there are three different types of

parameters that are accessible on the controller. Access

differs depending on the type: set point; frequently used

parameters (P); and conﬁguration parameters (c, d, F).

Setting type P parameters

Type P parameters (frequents) are indicated by a code

beginning with the letter P, followed by one or two

numbers.

1. Hold the Prg

mute button, after 3 seconds the displays

shows the ﬁrmware revision code (e.g. r2.1) is

shown, after 5 seconds (in the event of alarms, ﬁrst

the buzzer is muted) the code of the ﬁrst type P

modiﬁable parameter, P1.

2. Press Sor Tuntil reaching the desired parameter.

3. Press Set to display the associated value.

4. Increase or decrease the value using Sor T

respectively, until reaching the desired value.

5. Press Set to temporarily save the new value and

return to the display of the parameter code.

6. Repeat operations from 4 to 5 to set other

parameters.

7. To permanently save the new values of the

parameters, press Prg

mute for 5 seconds, thus exiting

the parameter setting procedure.

Setting type c, d, F parameters

Type c, d or F (conﬁguration) parameters are indicated

by a code beginning with letters c, d, F respectively,

followed by one or two numbers.

1. Press Prg

mute and Set together for more than 5

seconds. The display shows the number 0.

2. Press Sor Tuntil displaying the password: 77

3. Conﬁrm by pressing Set

4. If the value entered is correct, the ﬁrst modiﬁable

parameter c0 will be shown, otherwise the standard

display will resume.

5. Press Sor Tuntil reaching the parameter to be

modiﬁed.

6. Press Set to display the associated value.

7. Increase or decrease the value using Sor T

respectively, until reaching the desired value.

8. Press Set to temporarily save the new value and

return to the display of the parameter code.

9. Repeat operations from 5 to 8 to set other

parameters.

10.To permanently save the new values of the

parameters, press Prg

mute for 5 seconds, thus exiting

the parameter setting procedure.

Factory Selected Parameters

Parameter Description Factory Setting

St1 Set Point 1 95

St2 Set Point 2 95

c0 Operating Mode 1

P1 Set Point Differential 5.0

P2 Set Point Differential 5.0

P3 Dead Zone Differential 0

c6 Delay between two outputs 0

c9 Minimum relay on time 5

c10 Probe alarm output status 1 1

d10 Probe alarm output status 2 1

c11 Output Rotation 4

c13 Probe Type 3

P14 Probe 1 Calibration 0

P15 Probe 2 Calibration 0

c18 Unit of Measure 1

c19* Function of probe 2 0 or 7

*Parameter c19 is factory set at 0. If controller is connected to two

sensors, then the parameter is factory set at 7..

NOTE

The controller is pre-programed at the factory to

operate with the digital temperature interlock

components. No further parameter changes should

be necessary.

Displaying the Inputs

1. Press T. The current input will be displayed,

alternating with the value:

b1 : probe1

b2 : probe 2

di1 : digital input 1

di2 : digital input 2

St1 : set point 1

St2 : set point 2

2. Press Sor Tto select the input to be displayed.

3. Press Set for three seconds to conﬁrm.

Digital Temperature Interlock

Control Circuit Diagram (Standard Control)

This Control Panel only provides control power to

signal operation of supply and exhaust starters.

Starters are NOT provided by manufacturer.

Starters to be provided by, wired and mounted by others.

Wiring for additional sensors (optional)

This is an example of a generic wiring diagram for standard control. This diagram has 12 sensors

which provide temperature interlock function for two exhaust fans and one supply fan.

(All starters provided by others, external to this control box).

6Digital Temperature Interlock

Control Circuit Diagram (Fan Control Center)

This is an example of a generic wiring diagram for temperature interlock integration into a KFCC.

This diagram has 2 sensors that provide temperature interlock function for one exhaust fan and one supply fan.

To see your job speciﬁc drawing, look on the inside panel of the KFCC cabinet.

12 inches

18 inches

6 inches

LIGHTS FANS

Digital Temperature Interlock

Operation

1. Turn fans on and off using the fan switch. It is normal

for the fans to remain running after the switch is

turned off. The exhaust temperature controller will

open after heat is no longer present under the hood

and the temperature is below the set point plus

hysteresis, the fans shall shut down.

2. In the event that the cooking equipment is started

without turning the fans on manually, the fans will

turn on automatically and remain running with

the presence of heat under the hood. Once the

temperature is below the set point plus hysteresis,

the fans shall shut down.

Testing

1. Turn fan switch on, then off to ensure proper fan

operation before cooking equipment is started. Once

this is veriﬁed, testing can proceed.

2. Heat up cooking equipment with fans off. Once the

temperature reaches the set point of the temperature

controller the fans will start within 5minutes. If the

fans take more than 5 minutes to start, decrease the

temperature set point by adjusting the set point on

the temperature controller (see Calibration).

3. If an adjustment was made in Step 2, repeat now.

4. After veriﬁcation of fan start-up, shut down cooking

equipment. The fan switch should still be in the off

position. Once cooking equipment has cooled below

the set point plus hysteresis, the fans will shut down.

CAUTION

The probes should never be exposed to direct flame.

The probes are rated up to 250°F.

CAUTION

EXPOSING THE SENSOR TO DIRECT FLAME MAY

RENDER THE SENSOR INOPERABLE AND WILL

VOID THE WARRANTY.

NOTE

During testing, if fans do not start automatically in

the first 10 minutes of cooking equipment activation,

manually start fans to avoid accidental fire system

dump due to heat build-up.

Troubleshooting

1. Controller(s) display E01 or E02 and fans will

not shut off.

• E01 and E02 represent probe faults

• Check probe resistance between the two leads

when disconnected from the system. At room

temperature (77°F), the probe will read 1025 ohms

• Check wiring connections between the sensor

and control cabinet

2. Fans do not turn on automatically upon

cooking equipment activation.

• Check wiring to control panel or relay box

• Multiple sensors must be wired separately

• Temperature set point too high, decrease set point

• No power to fans, check breakers/starters/relays

3. Fans do not shut off.

• Check the controller to determine if there is a

probe error of E01 or E02. If yes, refer to the

controller display error message, item 1 above.

• Switch must be in the off position

• Cooking equipment hot, wait for it to cool

• Temperature set point too low, increase set point

• Ensure wires are connected to appropriate control

circuit

4. Fans do not turn on quick enough.

• Decrease temperature set point

Maintenance

Daily

Clean the temperature sensor with cloth and degreaser.

Keep clean for best performance.

Weekly

Dependant on grease production and grease ﬁlter type,

clean temperature sensor.

Seasonal

May have to change temperature setting on the

temperature controller if ambient kitchen temperatures

ﬂuctuate between summer and winter seasons.

Whom to call

Contact your local Greenheck representative.

What to have ready for the call

Sales order, serial number and description of product.

Sales Order Number ________________________

Serial Number ______________________________

Frequently Asked Questions

What temperature is the temperature controller set

to from the factory?

95º Fahrenheit.

Will the temperature interlock automatically start/

stop the fans?

When connected properly to fan starters the

temperature interlock will automatically control

the fans without input from the user. However, the

intended use of the temperature interlock is as back-

up to manual control.

May I connect the power going to my fan directly

through the control box?

No, the control box should only use control voltage

only (24-120V), and a separate 120V power source

is required to run the temperature interlock controls.

Greenheck recommends the use of starters sized for

each fan.

Can I use one control box for multiple hood systems?

This can be done, however, it is not recommended.

Any one of the temperature controllers would turn on

all hoods running on that control box. It is better to

have one hood/fan per control box, plus a signiﬁcant

energy savings can be obtained if one or more of the

hoods is not in operation.

Can I still turn my fan on and off?

Yes, the temperature interlock is designed to be

operated with a typical on/off switch. The fan may not

turn off directly after turning the fan switch off, it will

sense when the cooking operations have cooled and

then turn off.

Replacement Parts

Part

Number Description

384925 Temperature Sensor (RTD)

MAMAC TE-700-0-3-A

384920 Temperature Controller

CAREL iR33-DN33 DN33W7HR20

830125 Extension, Octagon (drilled)

SC55151-1/2 (380928)

732396 J-Box Plate

380926 Cover, Octagon Box

SC#54-C-1RACO 722

384905 Terminal Block, Single Pole,

DIN-RAIL MT, ABB ZS6

384908 Jumper, DIN-RAIL

Terminal Block Two Pole ABB JB6-2

463570 Evergreen Compression Seal

1/4-inch, #302

Codes and Standards Compliance

• UL 710

• National Fire Protection Association (NFPA 96)

• International Mechanical Code (IMC) 2006

Section 507.2.1.1

As a result of our commitment to continuous improvement, Greenheck reserves the right to change speciﬁcations

without notice.

Speciﬁc Greenheck product warranties are located on greenheck.com within the product area tabs and in the

Library under Warranties.

Phone: (715) 359-6171 • Fax: (715) 355-2399 • E-mail: [email protected] • Website: www.greenheck.com

Our Commitment

AMCA Publication 410-96, Safety Practices for Users and Installers of Industrial and Commercial Fans, provides additional safety

information. This publication can be obtained from AMCA International, Inc. at www.amca.org.

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