Venstar T1045 Installation Instructions Manual Download

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Venstar Inc. 05/08

Digital

Thermostat

Digital

Thermostat

residential

T1045

THERMOSTAT

Stages: 2-Heat, 1-Cool
Battery or System Powered
Auxiliary Heat Indicator
Back-Lit Digital Display
Fahrenheit or Celsius

PROGRAMMABLE

5+2 DAY

PROGRAMMABLE

5+2 DAY

up to

& 1-cool

2-heat

Service Filter Indicator

HEAT

PUMP

HEAT

PUMP

Use with most 1 or 2 Stage Heat Pump Heat and 1 stage Heat Pump Cool units

INSTALLATION

INSTRUCTIONS

INSTALLATION

INSTRUCTIONS

Bi-Color LED

(when system powered)

Summary of Contents for T1045

Page 1: ...t Indicator Back Lit Digital Display Fahrenheit or Celsius PROGRAMMABLE 5 2 DAY PROGRAMMABLE 5 2 DAY up to up to 1 cool 1 cool 2 heat 2 heat Service Filter Indicator HEAT PUMP HEAT PUMP Use with most...

Page 2: ...Page 2 Contents Page Remove Old Thermostat Safety Warnings Preparation Battery Replacement Warranty Test Operation Troubleshooting Wire Connections T1045 INSTALLATION INSTRUCTIONS...

Page 3: ...y The manufacturer cannot be liable for improper operation of the thermostat if the batteries are not immediately replaced Annual battery replacement is especially critical in locations subject to fre...

Page 4: ...ff the power to the Heating Air Conditioning system at the main fuse panel Most residential systems have a separate breaker for disconnecting power to the furnace Proper installation of the thermostat...

Page 5: ...wires from the old thermostat Tape the ends of the wires as you disconnect them and mark them with the letter of the terminal for easy reconnection to the new thermostat Keep the old thermostat for r...

Page 6: ...he event of line power interruption Battery Replacement FIG 1 The batteries are easily accessible from the battery slot located on the front of the thermostat fig 1 To open the battery slot press down...

Page 7: ...the new thermostat refer to the chart below or the wiring diagrams that follow Wire from the old thermostat terminal marked Function Install on the new thermostat connector marked Energize to Heat C...

Page 8: ...llations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 6 each year or when the Low Battery indicator is displayed page...

Page 9: ...wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 6 each year or when the Low Battery...

Page 10: ...ONS Common wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 6 each year or when the...

Page 11: ...wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 6 each year or when the Low Batter...

Page 12: ...stage deadband two degrees non adjustable Heat or Cool Setpoint Deadband Deadband db 1 db 2 adj 1 6 1st Stage turn on 2nd Stage turn on Heating non adj 2 Deadband db 1 adj 1 6 1st Stage turn on Cooli...

Page 13: ...de the Mode Switch to COOL Press the COOLER or WARMER buttons until the set temperature is 10 degrees below room temperature The HVAC unit should energize in the cooling mode Page 6 of the Owner s Man...

Page 14: ...Mode Switch is not set for Cool the batteries are too weak or the Aux Heat Switch is set for Emergency REMEDY Consult the Normal Operation section in the Owner s Manual to Lower the cooling setpoint...

Page 15: ...ating does not attempt to turn on CAUSE The heating setpoint is set too high the Mode Switch is not set for Heat the batteries are too weak or the Aux Heat Switch is set for Emergency REMEDY Consult t...

Page 16: ...L WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIO...

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Venstar T1045, Installation Instructions Manual

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