LOCKSTATE LS-90 Operation Guide - Manual (Page 13)

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HVACSET-UP
HVAC SET-UP allows you to configure the LS-90 to
control your HVAC system. The
LS-90 will control most residential systems.
Take care to correctly set-up the
LS-90. Incorrect set-up can result in
damage to your HVAC system.
IMPORTANT: Make sure the
LS-90 is powered up and is in the OFF
mode before set-up. (To turn your thermostat OFF, press the Power button and select OFF.)
Heating and cooling systems must be configured separately.
SET-UP for NORMAL systems (not a heat pump):
1. Press the purple MENU button on the control bar and then touch HVAC SET-UP.
2. Touch to highlight HEAT in the upper left corner of the display.
3. Touch to highlight NORMAL.
4. Select the appropriate number of stages for your heating system (from 1 to 3) by touching the
number of STAGES to highlight, and using the +/- buttons to increase or decrease.
5. Touch the appropriate FAN CONTROL setting. Select HVAC if your heating system controls
the fan (appropriate for most gas, oil, propane and similar furnaces). Select TSTAT if you want the
thermostat to control the fan (for most electric heating systems).
6. Go on to configure COOL or press HOME to return to the Home screen.
SET-UP for NORMAL A/C cooling systems:
1. Press MENU and then touch HVAC SET-UP.
2. Touch and highlight COOL in the upper left corner of the display.
12:30pm WED 77
.
HEAT PUMP
HEAT or COOL
NORMAL
FAN CTRL TSTAT
AUXILIARY
ELECT or GAS-OIL AUX
BACK>
HVAC SET-UP
STAGES
[1]
[1]
[NONE]