Venstar T1070 Mode d'emploi

VENSTAR

FAN COIL

THERMOSTAT

FAN COIL

THERMOSTAT

T1070

NON-

PROGRAMMABLE

2 OR 4 PIPE

SYSTEMS

OWNER’S MANUAL

AND

INSTALLATION INSTRUCTIONS

Remote sensor ready

3 speed fan control

Self-prompting adjustment

Auto 2-pipe changeover

when used with ACC-SENFC

changeover sensor

Dry contact equipped

Backlit display

Works with most fan

coil systems - 24vac

Electric heat ready

Non-volatile memory

Dual setpoint with

adjustable deadband

Keypad lockout

Configurable display

Display F or C

Model T1070

Table Of Contents

FRONT PANEL

DISPLAY

BASIC OPERATION

ADVANCED SETUP

ADVANCED SETUP TABLE

ABOUT ADVANCED FEATURES

& OPERATION

WARRANTY

SAMPLE WIRING DIAGRAMS

Page 1

CAUTION

WARNING

SELECTING THE HEAT

OR COOL MODE

Disconnect Power

to the Heater/Air Conditioner

before removing the old therm-

ostat and installing the new

thermostat.

COOL

HEAT

AUTO

Front Panel

Page 2

Liquid Crystal Display

Up/Down Buttons

Mode Button

Fan Button

Heat or Cool Indicator

Heat = Red, Cool = Green

Mode Fan

Display

OUTSIDE

unoccupied

Mode Indicators - Page 5-8

Selects the operational mode of the equipment.

HEAT - Indicates the heating mode.

COOL - Indicates the cooling mode.

AUTO - Indicates the system will automatically

changeover between heat and cool modes

as the temperature varies.

OFF - Indicates heating and cooling are turned off.

Room Temperature Display

Indicates current room temperature.

Desired Set Temperature - Page 9

Indicates desired room temperature(s).

Setup icon - Pages 10-14

Indicates the thermostat is in the advanced setup

mode.

Page 3

Display

OUTSIDE

unoccupied

Fan icon - Page 9

Indicates fan operation.

Fan = low speed

Fan = medium speed

Fan = high speed

When only the Fan icon is displayed, the fan is in

the Auto mode and will run only when necessary to

heat or cool.

Locked icon - Page 21

Indicates keypad has been locked.

Outside icon - Page 22

Indicates the temperature displayed is from the

optional outside sensor.

Unoccupied icons - Pages 13-14

Indicates a dry contact forced Unoccupied time

period is in effect.

Page 4

70 68

HEAT

COOL

HEAT

AUTO

OFF

Press

MODE

Press

MODE

Page 5

The HEAT setting indicates

the temperature the room

has to reach before the

heating source will turn

on to heat the room.

Heating Only

The COOL setting indicates

the temperature the room

has to reach before the

cooling source will turn

on to cool the room.

Cooling Only

OFF indicates both heating

and cooling are turned off.

Off

AUTO will automatically

select heat or cool based

on room temperature

demand.

Heating or Cooling

Select Mode by Pressing the MODE Button

Selecting the Heat or Cool Mode 4-Pipe Operation

Heat Only

Step #4 = 1 in the Advanced Setup section,

page 11.

70 68

HEAT

OFF

Press

MODE

Selecting the Heat or Cool Mode 2-Pipe Operation

The HEAT setting indicates

the temperature the room

has to reach before the

heating source will turn

on to heat the room.

Heating Only

OFF indicates both heating

and cooling are turned off.

Off

Page 6

Cool Only

Step #4 = 2 in the Advanced Setup section,

page 11.

OFF

Press

MODE

COOL

Selecting the Heat or Cool Mode 2-Pipe Operation

The COOL setting indicates

the temperature the room

has to reach before the

cooling source will turn

on to cool the room.

Cooling Only

OFF indicates both heating

and cooling are turned off.

Off

Page 7

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.

OFF

Press

MODE

Press

MODE

Page 8

70 69

Note: If the water temperature is changed during the

year, the thermostat will then automatically lock out the

incorrect mode.

Heating and/or Cooling

Step #4 = 3 in Advanced Setup (page 11), and the

accessory changeover sensor (ACC-SENFC) is used.

If step #4 = 4 or 5 in Advanced Setup (page 11).

Operation is the same as a 4-pipe system (page 5).

Selecting the Heat or Cool Mode 2-Pipe Operation

If step #4 = 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.

Selecting Your Desired Temperature

(adjusting the setpoints)

Basic Operation

COOL

HEAT

AUTO

AUTO OR PROGRAM MODE

Pressing the UP or DOWN button in Auto or Program

mode will adjust both the heat and cool set temperatures

simultaneously.

buttons.

Adjust the desired

set temperature with the

Fan Operation

Press

FAN

Press

FAN

Press

FAN

Press

FAN

Press

FAN

Low Speed Medium Speed High Speed Auto

Fan

Pressing the FAN button will run the fan in

low, medium, or high speed continuously

(see below and page 20).

When only the Fan icon is displayed, the fan

is in the Auto mode and will run only when

necessary to heat or cool (see below and

page 20).

Note: If the thermostat is placed in the Off mode, the fan

will de-energize.

Fan Fan Fan

Page 9

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