Venstar T4700, Руководство пользователя и инструкции по установке

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Installer Setup
Dry Contact Operation
(setup step 40 - 41)
Dry Contact Polarity (setup step 40)
Open (Normally Open) - The dry
contact is open until the connected
device closes the circuit.
Dry Contact Use (setup step 41)
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.
FORCE UNOCCUPIED - If FORCE UNOCCUPIED is selected, the thermostat will
use unoccupied mode/ setpoints when they dry contact is active. In that state,
the OVERRIDE button is available to return to the prior mode/setpoints for a
limited amount of time. This setting is commonly used to emulate the function
of a twist timer.
FDD - If FDD is selected when the dry contact is active, “EQUIPMENT FAULT”
will appear on the display.
UNOCCUPIED MODE, UNOCCUPIED COOL STEPOINT, UNOCCUPIED HEAT
SETPOINT (setup steps 37-39) – When prior step set for FORCE UNOCCUPIED,
these three steps appear. Specify the desired mode and setpoints to be used
when the dry contact is active.
Wired Sensor Type
(setup step 30)
- Specifies the use of the con-
nected, wired sensor. The choices are: Remote or Supply. The remote option
allows control to the sensor, the supply does not.
Closed (Normally Closed) - The dry
contact is closed until the connected
device opens the circuit.
Dry
Contact
‘Idle’ ‘Active’
Dry
Contact
Dry
Contact
‘Idle’ ‘Active’
Dry
Contact