53DFS250-HW Thermostat
® U.S. Registered Trademark.
US Patent No. 7,114,554, 7,181,317, 7,225,054, 7,274,972, 7,636,604,
7,693,582 and other patents pending.
All rights reserved.
Installation
Guide
69-2565-05
R
R
System Types
• CoolOnly(singlestage) • HeatPump(withelectricheat)
CAUTION: ELECTRICAL HAZARD
Cancauseelectricalshockorequipmentdamage.Disconnectpowerbefore
beginninginstallation.
MERCURY NOTICE:Ifthisproductisreplacingacontrolthatcontainsmercuryin
asealedtube,donotplacetheoldcontrolinthetrash.Contactyourlocalwaste
managementauthorityforinstructionsregardingrecyclingandproperdisposal.
Must be installed by a trained, experienced technician. Readtheseinstructions
carefully.Failuretofollowtheseinstructionscandamagetheproductorcauseahazardous
condition.
Select Thermostat Location
Selectalocationforthethermostatabout5ft(1.5m)abovethefloorinanareawithgoodair
circulationataveragetemperature.
Donotinstallthethermostatwhereitcanbeaffectedby:
5 FEET
[1.5 METERS]
YES
NO
M22258
NO
NO
• Draftsordeadspotsbehinddoors
andincorners.
• Hotorcoldairfromducts.
• Radiantheatfromsunor
appliances.
• Concealedpipesandchimneys.
• Unheated(uncooled)areassuch
asanoutsidewallbehindthe
thermostat.