Wiring Diagrams - Lennox ComfortSense 7000 Series Quick Start Installation Manual

Wiring Diagrams

Configure and test thermostat
Press OPTIONS tab, then use the down arrow to select INSTALLER SET-
TINGS. Press ENTER; a note states MUST BE SET BY QUALIFIED PER-
SON". Press Enter again to access installer settings.
INSTALLER SETTINGS
−−−−−−−−−−−−−−−−−−−−
SYSTEM SETUP With SYSTEM SETUP selected, press enter. Set thermostat
for operation with a heat pump or non-heat pump. Set number of compressor
stages. Set number of backup heat stages. Defaults: Non−heat Pump, Gas/Oil,
2 compressor stages, 2 indoor heat stages.
Use arrows to scroll through and select from the list; then press ENTER.
SYSTEM SETUP
NON HEAT PUMP
HEAT PUMP
COMPRESSOR STAGES
INDOOR HEAT STAGES
For NON HEAT PUMP, use arrows to select from the list; then press SAVE.
NON HEAT PUMP
NO HEAT
GAS/OIL
ELECTRIC
For HEAT PUMP, use arrows to select from the list; then press SAVE.
HEAT PUMP
NO BACKUP HEAT
DUAL FUEL (GAS/OIL)
ELECTRIC
For COMPRESSOR STAGES, use arrows to select 1 or 2 compressor stages;
then press SAVE.
COMPRESSOR STAGES
2
For INDOOR HEAT STAGES, use arrows to select 1 or 2 indoor heat stages;
then press SAVE.
INDOOR HEAT STAGES
2
SYSTEM TEST MODES Press OPTIONS tab, go to INSTALLER SETTINGS,
then press up arrow twice to select SYSTEM TEST MODES. Press ENTER; se-
lect TEST OUTPUTS and press ENTER.
SYSTEM TEST MODES
TEST OUTPUTS
Test all cooling, heating, Emergency Heating stages and FAN outputs. SCROLL
arrows move through a list of all signals, Y1 ON, Y1 OFF, Y2 ON, Y2 OFF, etc.
With a signal displayed, press ENTER to start the test, (e.g. Y1 ON selected,
press ENTER brings on Y1; Y1 OFF selected, press ENTER shuts off Y1. CAN-
CEL, pressed at anytime during tests will return the previous screen and also dis-
able any test and puts the thermostat back into normal mode.
CAUTION! − In dual fuel system applications, do not turn on heat
pump and furnace at the same time in system test mode.
All HVAC components can be tested to confirm the thermostat is sending signals
to each unit.
NOTES − After 5 minutes without a test being initiated, the test modes is disabled
and system goes back to the normal mode (i.e. HOME screen).
When in SYSTEM TEST MODE, the compressor minimum off timer is bypassed.
TEST OUTPUTS
OFF
Y1 ON
Y1 OFF
Y2 ON
Y2 OFF
W1 ON
W1 OFF
W2 ON
W2 OFF
FAN (G) ON
FAN (G) OFF
H ON
H OFF
D ON
D OFF
O ON (B OFF)
B ON (O OFF)
IMPORTANT!
The test mode only energizes the
outputs in the order you turn them
on. When Y1 or Y2 is turned ON,
the FAN (G) output remains OFF.
With the system connected, the
compressor will be energized
without the fan, unless you first
set the FAN (G) to ON, then turn
on the Y1 output.