Venstar T4950-IAQ, Руководство пользователя и инструкции по установке

Страница: 33 / 57

28
Press the SETUP button, then press MODE repeatedly until the
desired setup step appears. Use the WARMER or COOLER buttons
to make selection. Press MODE to advance to the next step.
Press/hold MODE to go backwards to prior steps. Press SETUP to
leave the setup screens.
WARMER
COOLER
MODE
SETUP
Setup Steps
Dry Contact Operation*
(Setup Steps 58-59)
Dry Contact Polarity
(setup Step 58)
Open (Normally Open) - The dry
contact is open until the connected
device closes the circuit.
Dry Contact Use
(Setup Step 59)
CONDENSATE -
If CONDENSATE is selected when the dry contact is active, the
thermostat will lockout the compressor terminal(s) and “CONDENSATE PAN
OVERFLOW” will appear on the display.
OCCUPIED - If OCCUPIED is selected, when the dry contact is active, the thermostat will
be forced into the programmed occupied mode / setpoints and the ‘occupied’ icon
will blink. This setting is useful for allowing a twist timer to force occupied settings.
FDD - If FDD is selected when the dry contact is active, “EQUIPMENT FAULT” will appear
on the display.
HOLIDAY - If HOLIDAY is selected, when the dry contact is active, the thermostat will be
forced into the programmed unoccupied mode / setpoints and the ‘unoccupied’ icon
will blink.
DOOR SWITCH - If DOORSWITCH is selected, when the dry contact is active for more
than 3 minutes, the thermostat will switch to mode OFF and turn off all outputs.
DOOR OPEN will appear on the display. When the dry contact returns to normal, the
prior mode/setpoints will be restored and equipment operation may resume.
Closed (Normally Closed)
- The dry
contact is closed until the connected
device opens the circuit.
Dr
y
Contact
‘Idle’ ‘Active’
Dr
y
Contact
Dr
y
Contact
‘Idle’ ‘Active’
Dr
y
Contact