SUPCO SHL502 Installation guide

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ReplacingaSupcoPlenumThermostat.

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1. Turnoffpowertounit.

2. Removetheaccesspanel.

3. Disconnecttwowiresattachedtothethermostat

terminals

4. Unscrewthescrewsholdingthethermostatinplace.

5. Removethethermostat.

6. Checkthethermostattemperatureinformationonthe

oldplenumthermostatandmakesureitmatches

Supcoreplacement.

Donotuseathermostatwith

higheropeningtemperature.

7. InsertthenewSupcothermostatandsecurewith

screws.

8. Re‐attachthewires.Youcanattachwirestoeither

terminal.Thereisnopolarity.

Makesuretheterminalsorwiresarenotdamagedand

fitsecurelyontheplenum.

Ifthewireterminalsareloose,replacethem.

9. Attachtheaccesspanel.

10. Turnonpower.

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SEALEDUNITPARTSCO.,INC.

POBOX21,2230LANDMARKPLACE

ALLENWOOD,NJ08720USA

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