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3
INSTALLER MUST READ FOR PROPER
INSTALLATION
•WiringharnessesandaUniversal21D64-2ignitorare
included in this package. Refer to the enclosed “Cross
ReferenceandHarnessApplicationChart”(PartNumber
37-7077) for harness selection and ignitor application
information. Ignitor installation instructions are in the
UNIVERSAL21D64-2Ignitorpackageincludedwiththiskit.
•IMPORTANT: For continuous fan speed operation, one of
the unused parked motor taps must be connected to the
low heat speed terminal. Failure to do this will result in the
blower not energizing in the constant fan mode operation.
Refertogure1.
•InstallermustreadPage(6)“Operation”andfollowoption
switch setting for proper control operation.
•Incertainapplicationsitmaybenecessarytoremovethe
control board from the cover to be mounted in the space
allowed. Standoffs supplied in the package must be
installed before the control board can be mounted.
•4Blowerleadextensionsareincludedinthekitifextra
length is needed to complete installation.
INSTALLATION
For continuous fan speed
connect one of the unused
parked terminals here
Figure 1
290600
J
Pin11(ROIn)
Pin 5 (RO Out)
Jumper0151-290600
(for Trane and American
Standard applications only)
Figure 2. 12 Pin Connector (back view)
onexistingWireHarnessinFurnace
IMPORTANT OEM REPLACEMENT INSTRUCTIONS
•TRANE and AMERICAN STANDARD
ForallTRANEandAMERICANSTANDARDfurnaces
only:Installjumper0151290600(includedinthis
package)intothebackofthefurnace12pinconnector
harnessfrompin5topin11asshowninFigure2.
Make sure jumper snaps into the connector securely.
• RHEEM / RUUD (1994 and earlier models)
Ifthefurnacecontrolbeingreplacedhas2greenlights
andNOamberlight(furnacedatecode3294orearlier)
aFlameSensorKit,RHEEMPartNumber62-24044-71
(not available from White-Rodgers) is required. Install
the flame sensor and plug the flame sensor lead into
pin 7 of the connector on the furnace as detailed in the
Rheem Flame Sensor Kit instructions. Plug the furnace
connectorintoharness“B”(includedinthispackage).
Plugtheotherendofharness“B”intothenewmodule.
Attachtheorangewirefromharness“B”(3/16”female
spade terminal) to FS on the new module to complete
the flame sense circuit.
• BRYANT / CARRIER / DAY & NIGHT / PAYNE
ThiskitwillnotreplaceBRYANT/CARRIER/DAY&
NIGHT/PAYNEHK42FZ013modulesorCARRIER
/BDPmodulesusingan11pin(straight)connector.
Refer to the enclosed “Cross Reference and Harness
ApplicationChart”(InstructionsheetPartNumber37-
7077) included with this kit for the list of modules it
replaces.