505232 06/07
Page 2
WARNING
Always turn off power at the main power source by unscrewing
fuse or switching circuit breaker to the OFF position before instal-
ling, removing, or cleaning this thermostat.
WARNING
All wiring must conform to local and national building and electri-
cal codes and ordinances.
WARNING
Do not switch system to cool if the temperature is below 45°F (7°C).
This can damage the cooling system and may cause personal inju-
ry.
CAUTION
This is a 24VAC low−voltage thermostat. Do not install on voltages
higher than 30VAC.
Do not short (jumper) across terminals on the gas valve or at the
system control to test installation. This will damage the thermostat
and void the warranty.
IMPORTANT
Commercial use of the SignatureStatt thermostat can only be with
approved split-system matches, and which meets the following
installation criteria:
S installation uses 18 GAUGE thermostat wire or larger,
S thermostat wire run length DOES NOT EXCEED 300’ (91m),
S load from any thermostat connection is LESS THAN 1 AMP.
Connect outdoor sensor (if used) to the thermostat using separate
twisted-pair cable, 22 awg min., 300’ (91m) max., Lennox cat. no.
84X49 (1000’ roll) or X3790 (500’ roll).
If used with Harmony II
®
Zone Control System, consult Application
Note H−04−5.
IMPORTANT
Read this manual before programming this thermostat.
Use this thermostat only as described in this manual.
SignatureStat t Thermostat
The fully programmable SignatureStatt thermostat offers all of the fea-
tures of a high−performance thermostat. It also offers enhanced capabilities
which include humidification measurement and control, dew point adjust-
ment control, dehumidification measurement and control, Humiditrol
®
ca-
pability, and equipment maintenance reminders.
The 24VAC thermostat also features worry−free memory storage and a
menu−driven display.
This document supports the following products:
S 81M26 − 1 stage heat / 1 stage cool, conventional or heat pump (When
configured for a single−stage heat pump, no auxiliary backup heat is
supported.)
To Next Page
Loading...
Need help?
General
