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Installer Setup
Dry Contact Use (Setup Step 67)
PAN - If PAN is selected when the dry contact is active, the thermostat will lockout the
compressor terminal(s) and “SERVICE DRAIN PAN” will appear on the display.
HOLIDAY - If Holiday is selected when the dry contact is active, the thermostat
will be forced into Holiday Mode.
Dry Contact Operation(setup steps 66 - 67)
Dry Contact Polarity (Setup Step 66)
Open (Normally Open) - The dry contact
is open until the connected device closes
the circuit.
Dry
Contact
‘Idle’ ‘Active’
Dry
Contact
Dry
Contact
Closed (Normally Closed) - The dry contact
is closed until the connected device opens
the circuit.
Dry
Contact
‘Idle’ ‘Active’
Dry
Contact
Dry
Contact
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