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474750 • Digital Temperature Interlock, Rev. 2, May 2012 Copyright 2012 © Greenheck Fan Corporation
®
Phone:(715)359-6171•Fax:(715)355-2399•E-mail:gfcinfo@greenheck.com•Web site: www.greenheck.com
Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from
the shipment date. Any units or parts which prove defective during the warranty period will be replaced at our option
when returned to our factory, transportation prepaid. Motors are warranted by the motor manufacturer for a period of
one year. Should motors furnished by Greenheck prove defective during this period, they should be returned to the
nearest authorized motor service station. Greenheck will not be responsible for any removal or installation costs.
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
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.
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
Quantity
Part
Number
Description
1 384439
Temperature Sensor (RTD)
MAMAC TE-700-0-1-A
1 384440
Temperature Controller
Dwyer 40T-10
1 830125
Ext, Octagon (drilled)
SC55151-1/2 (380928)
1 380926
Cover, Octagon Box
SC#54-C-1RACO 722
3 382859
Terminal Block, 3 pole,
DIN-RAIL MT, BUS NDN3-WH
2 382858
Jumper, DIN-RAIL Terminal
Block #JNDN3
1 463570
Evergreen Compression Seal,
1/4-inch, #302
Codes and Standards Compliance
•
UL 710
• NationalFireProtectionAssociation(NFPA96)
• InternationalMechanicalCode(IMC)2006
Section 507.2.1.1