5
Installation
PRECAUTIONSPRECAUTIONS
PRECAUTIONSPRECAUTIONS
PRECAUTIONS
▲
!WARNINGWARNING
WARNINGWARNING
WARNING
Do not short out terminals
on gas valve or primary
control to test. Short or
incorrect wiring will damage
thermostat and could cause
personal injury and/or
property damage.
Do not use on circuits
exceeding specified voltage.
Higher voltage will damage
thermostat and could cause
shock or fire hazard.
Thermostat installation
and all components of the
system shall conform to
Class II circuits per the NEC
code.
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!CAUTIONCAUTION
CAUTIONCAUTION
CAUTION
To prevent electrical shock
and/or equipment damage,
disconnect electric power to
system at main fuse or
circuit breaker box until
installation is complete.
NOTENOTE
NOTENOTE
NOTE
Read all instructions
thoroughly before beginning
installation.
Do not exceed ratings shown in the
Specifications section, above. If in
doubt about the electrical ratings of
your heating/cooling system, have it
inspected by a qualified heating and
air conditioning contractor or
licensed electrician.
All wiring must conform to local
and national electrical codes and
ordinances.
This control is a precision instru-
ment, and should be handled
carefully. Rough handling or
distorting components could cause
the control to malfunction.This thermostat is intended for use
with a low voltage system. Do not
use on a line voltage system.