Venstar T1075 User Manual

Page 11

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HEAT indicates the temperature

the room has to reach before the

heating source energizes. If the

water supply is cold, this screen

and heating would be locked out.

COOL indicates the temperature

the room has to reach before the

cooling source energizes. If the

water supply is hot, this screen

and cooling would be locked out.

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OFF

Press

MODE

Press

Press

Press

MODE

MODE

MODE

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Su

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occupied 1

Note: If the water temperature is
changed during the year, the ther-
mostat will then automatically lock
out the incorrect mode.

Heating and/or Cooling

Step #6 = 3 in Advanced Setup (page 19), and the
accessory changeover sensor (ACC-SENFC) is used.
Step #6 = 4 or 5 in Advanced Setup (page 19).
Operation is the same as a 4-pipe system (page 7).

Selecting the Heat or Cool Mode

2-Pipe Operation

Program On will activate the

stored timer operation for the

heating and cooling setpoints.

If step #6 = 3, only

heat or cool will appear.

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If step #6 = 3, this

screen will not appear.

AUTO will automatically select

heat or cool based on the room

temperature demand.

OFF indicates both heating and

cooling are turned off.

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