Harman PF100 - Installation - Controls; Wall Control Wiring

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3-90-08101R23_06/13
Wall Control Wiring
TheWallControlsendsandreceivesinformationfromthe
controlboardthrougha4wireDatacomcable.Thereisa100’
lengthofthiscablesuppliedwiththefurnace.100’lengthsof
thiscablecanalsobeorderedseparately,part#3-20-02583.
Alternately,anyDatacomcable-CAT3-2twistedpair24ga
solidwirecanbeacquiredatalocalelectricalsupplyhouse.
AlsoanyCAT3-24ga.solidwire2,3,or4paircablecanbe
usedbecausetheyallhavethesamepaircolorcombinations.
Themaximumlengthofwallcontrolwiringis100feet.
Thefurnaceconnectingpointisa4polescrewterminalblock
onthesideofthehopperjustaroundthecornertotheright
of the control. Follow the wiring instructions on the label
alongsidetheterminalblock.SeeFig.31.
CAUTION:Withthissmallgaugeofwire,caremustbetaken
nottoovertightentheterminalscrewsthus,breakingthewire.
Therearetie-wrapholesin thefaceofthehopperaprox.
every6”tokeepthecablesecureandoutoftheway.
The Wall Control is made to t on a standard wall case
electricalbox. Itcould also bemounted directly toa stud
using2drywallscrews.Ineithercasethescrewsshouldbe
turnedinandtestedforasnugtwhentheWallControlis
sliddownoverthescrews.TheWallControlonlyhangson
thescrewssoagoodtisimportant.
Remove the Wall Control and make the Datacom cable
connectionswiththeUYauto splicersprovided.DO NOT
STRIP THE WIRES.Followingthewiringdiagramonthe
insideoftheWallControlmakeeachsplice.SeeFig.32.
Insertthetwomatchingcolorwiresfullyintothetwoholes
ofoneoftheUYconnectors.ApairofstandardChannel-
lockpliersworksideallytosqueezetheraisedbuttondown
intotheUYconnectorbody.ExtraUYconnectorscanbe
purchased.Part#3-20-00200
NOTE:Apairofneedlenosepliersmaybehelpfultoinsert
theBLUET-statwiresfullyintotheconnector.Visuallyinspect
toseethatthewiresarefullyinsertedbeforesqueezingthe
UYsplicer.
Installation
Orange-Red(+LED)
Orange/White-WhiteorBlack(-LED)
Blue-Blue(Tstat)
Blue/White-Blue(Tstat)
DatacomWallControl
Cable
Fig. 32
Fig. 30
Fig. 31