Venstar TSTATEZ User Manual
Stat
Stat
asy
E
Single Day
Single Day
PROGRAMMABLE
PROGRAMMABLE
residential
T H E R M O S T AT
TSTATEZ
world’s easiest
world’s easiest
PROGRAMMABLE THERMOSTAT
PROGRAMMABLE THERMOSTAT
up to
up to
& 2-cool
& 2-cool
One for All - Can Control:
- Gas / Electric
- Heat Pump
- Electric Heat
- Hydronic Systems
Non-Volatile Memory - Retains settings
in the event of a power failure
Outdoor Sensor Ready Compatible with the
optional wired, or wireless
HEAT
COOL
Outdoor Sensor
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
INSTALLATION
INSTALLATION
INSTRUCTIONS
INSTRUCTIONS
Venstar Inc. 08/07
2-heat
2-heat
HEAT
PUMP
Table Of Contents
Step #1: Preparation
Step #2: Remove & Replace
2
3
Old Thermostat
Step #3: Wire Connections
Sample Wiring Diagrams
Step #4: Test Operation
Trouble Shooting
CAUTION
Follow Installation Instructions carefully.
DISCONNECT POWER TO THE HEATER AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
Venstar Inc. 08/07
WARNING
4
5
9
10
P/N TSTAT1100EZ
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation.
Page 1
STEP #1
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PREPARATION
Proper installation of the thermostat will be
Proper installation of the thermostat will be
accomplished by following these step
accomplished by following these step
by step instructions. If you are unsure
by step instructions. If you are unsure
about any of these steps, call a qualified
about any of these steps, call a qualified
technician for assistance.
technician for assistance.
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These tools will be required:
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Flat Blade
Screwdriver
Make sure your Heater/Air Conditioner
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is working properly before beginning
Wire cutter
& Stripper
installation of the thermostat.
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Carefully unpack the thermostat.
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Save the screws and instructions.
Turn off the power to the Heating/Air
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Conditioning system at the main fuse
panel. Most residential systems have
a separate breaker for disconnecting
power to the furnace.
Page 2
STEP #2
REMOVE & REPLACE OLD THERMOSTAT
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Remove the cover of the old thermostat.
If it does not come off easily check for
screws.
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Loosen the screws holding the thermostat
base or subbase to the wall, and lift away.
Disconnect the 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.
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Keep the old thermostat for reference
purposes, until your new thermostat is
functioning properly.
Page 3
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