Venstar T1070 User Manual

Page 25

Advertising
background image

About Advanced Features & Operation

SINGLE SETPOINT BEHAVIOR - When configured
for Single Setpoint operation (step #2, page 10), the
degree icon will blink when the large number is display-
ing room temperature and will remain solid when dis-
playing the heating or cooling setpoint. In the Auto
mode the deadband is enforced both above and below
the setpoint. To avoid short cycling, a deadband of at
least two degrees is recommended (step #7, page 12).
To display the room temperature press and hold the
MODE button for two seconds. Release the MODE
button to return to the normal display.

FAN COIL TYPE - This step instructs the thermostat
how to set the G, G2, and G3 outputs to yield the
desired fan speeds. Since this is a low voltage
thermostat, the fan coil should have multiple relays or
contactors to supply the voltages needed for the fan
motor. Most fan coils will have 3 relays and require
only one relay to be driven at a time. However,
many models of Carrier or IEC fan coils contain a
relay board with special logic that requires different
output settings from the thermostat. If there is any
question, please contact the fan coil manufacturer.

Page 24

Step 6 = OFF

Step 6 = ON

Speed

LO

MED

HI

Speed

LO

MED

HI

G

ON

G

ON
ON
ON

G2

ON

G2

ON

G3

ON

G3

ON

Advertising