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Introduction
The IS-ZW-TSTAT-300 programmable communicating thermostat operates via a
high-quality, easy-to-use touch screen.
Figure 1: IS-ZW-TSTAT-300
Reset button
HVAC switches
Save Energy
button
Power grid
status
indicator
WARNING:
To avoid electrical shock and to prevent damage to the furnace, air
conditioner, and the thermostat, disconnect the power supply before beginning
work. This can be done at the circuit breaker.
Caution:
Your thermostat is a precise instrument, handle it with care:
•
Turn off electricity to the HVAC system before installing or servicing the
thermostat or any part of the system.
•
Do not turn electricity back on until work is completed.
•
Do not short (jumper) across electrical terminals at the control on the furnace
or air conditioner to test the system. This may damage the thermostat.
•
All wiring must conform to local codes and ordinances.
This thermostat is designed for use with three AA alkaline batteries and/or 24
VAC C wire (or a 12 to 24 AC or DC source) and millivolt gas systems. Each
thermostat relay load should be limited to 1.0 A; higher amperage may cause
damage to the thermostat.
2
Top cover
RA D IO
L IN K
TA
RG ET
TE M P
Bottom cover
Touch screen
IS-ZW-TSTAT-300 Advanced Thermostat Installation Guide
Wire terminals
MODE button
FAN button
Menu button
Prog button
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