Lennox EDA - 7 Checklist

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7. checklIst
Table 10. Checklist
Y” Checkpoint What to Check Action
OutdoorTemperature
Sensor
Wiring
Conrmoutdoortemperaturesensorisconnected(connectsdirectlytoComfortSense7500;incommunicatingsystems,sensorisinoutdoorunitand
mustbeconnectedtoindoorunit(seewiringdiagrams.
HumiditrolInstaller
Settings
ConrmHUMIDITROLisenabled(see“Figure21.ComfortSense7500Thermostat—AddandAdjustHumiditrol”onpage20).
CS7500
Humiditrol User
Settings
ConrmHUMIDITROL-Dehumidify-ONisselected(see“Figure21.ComfortSense7500Thermostat—AddandAdjustHumiditrol”onpage20).
ConrmRelativeHumiditysetting(see“Figure21.ComfortSense7500Thermostat—AddandAdjustHumiditrol”onpage20).
iComfortE30,M30
andS30Thermostats
HumiditrolInstaller
Settings
ConrmHUMIDITROLisinstalledandadjusted.
Indoor Unit
Variable-Speed
BlowerSettings
ConrmSettingsfor“D”:CFM=60%to82%ofsecond-stagecool.
Insulation
Charge
Compensator
Conrminsulationisproperlyinstalled.
Insulation LiquidLine
Insulation
VentLineto
SuctionLine
ChargeCompensator 1/4”Line Conrm1/4”portorienteddownwardtolowestpoint
Check/FlowRestrictor 3/8”Line Conrmrestrictorinstalled/orientedproperly.
SystemCharge Refrigerant Withunitrunningincoolingmode,checkandconrmsystemisproperlycharged(seeoutdoorunitinstallationinstructions).
OutdoorUnit FanRelay Ifnon-communicatingoutdoorunitwithvariablespeedoutdoorfan.Conrmrelayisinstalledproperly.
OutdoorUnit EDALabel Conrmlabelisinstalledinprominentlocationandwillbeeasilyvisibleduringservicing.
NOTE: System will NOT operate in dehumidication mode with outdoor temperature at or above 95ºF.
OperationalStatus
Dehumidication
Mode
Recordsupplyairtemperatureandconrmthattemperatureishigherthanincoolingmode.
OperationalStatus
Dehumidication
Mode
Onunitswithvariablespeedoutdoorfan,checkthatfanoperatesatapproximately250RPM(lowestspeed).