Harman PF100 User Manual

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3-90-08101R23_06/13
NOTE: KEEP THE FAN/LIMIT CONTROL INSTRUCTIONS
WITH THE OWNERS MANUAL FOR FUTURE REFERENCE.
NOTE: If fans are used in the fuel storage area, they
should be installed so as not to create negative pressure
in the room where the solid-fuel-burning appliance is
located.
FAN/HIGH LIMIT CONTROL
Installation & Set-up
1. TheFanControlmustbeplacedinthedischargeplenum
approximately11inchesabovethedischargeopeningof
thefurnace,asclosetocenteraspossible.
Note: Thebestplaceisonthesamesideastheashdoor
becauseofeaseofaccess.SeeFig.35.
Note:CaremustbetakenwheninstallingtheFanControl
whenanairconditioningACoilisused.TheFanControl
must always be installed below theA Coil in lowplenum
installations.
2. Installtheexandwiring.
3. Makesurethattheueventingwillnotinterferewiththe
extotheFanControl.
4. PryoutoneofthebottomknockoutsoftheFanControl.
Installthe90degreeexconnectorasshowninFig.36.
Oneofthelocknutsstaysontheoutsideoftheboxand
onegoesontheinsidetotightentheconnectorintoplace.
Thisallowsformaximumroomforthewiresaroundthe
switches.
5. REMOVE THE COPPER JUMPER BETWEEN THE
LIMIT AND CONTROL SWITCHES. (It is not needed.) 
Figure36shownwithcopperjumperalreadyremoved.
6. Connect the two VIOLETwires to the FAN CONTROL
switch.(Itdoesn’tmatterwhichwireisonwhichscrew).
SeeFig.36.
7. ConnecttheWHITEandSKYBLUEwirestotheLIMIT
switch.(Itdoesn’tmatterwhichwireisonwhichscrew).
SeeFig.36.
8. Makesurethatallofthewiresareoutofthewaywhen
closingthecover.(Excesstwistingandpinchingofthe
wirescouldcauseashortcircuit.)
9. HIGH LIMIT setup is simple, just rotate the high limit
pointerclockwiseuntilitisagainstthetamper-proofscrew.
(Neveradjustthisscrew)
10. FANCONTROLsetup:Movebothfancontrolpointers
together until they touch, then rotate both pointers
togetheruntilthegapbetweenthemisdirectlyoverthe
middle0of100.SeeFig36.
Note:Thisis the bestfan control position wehave found
during factory testing. These fan control settings can be
adjustedifdesired.
Installation
Fig. 35
High limit fan control
Fig. 36
High Limit
Setpoint
CONTROL
Fan Control Setpoint
LIMIT
Locknuts outside and inside

Harman PF100 Specifications

General

Brand	Harman
Model	PF100
Category	Furnace
Language	English