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8050C Features
PG 17
PG 18
STEP 1 - Connect the G wire to
the G terminal on the thermostat.
This connects the Fan.
STEP 2 - Add a jumper wire
between W and Y.
STEP 3 - Connect the Y wire to
the Y terminal on the thermostat.
This connects the Compressor.
STEP 4 - Connect the O or B wire to the
O or B terminal on the thermostat. (If you have both
O and B wires, use the O and tape off the B).
This connects the change over valve.
STEP 5 - Connect the R wire to the RC terminal on
the Thermostat. This connects to the 24vac power.
STEP 6 - Connect W or W2 to W2 on the thermostat.
This connects the AUX heat.
Your HVAC system is now connected to the thermostat.
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HEAT PUMP
with Auxiliary Heat
NOTE: Wires marked with
the dotted line are optional.
O or B
(not both)
HEAT PUMP
Change
Over
AUX
Heat
G
O or B
R
C
FAN
Y
Comp
24VAC
Power
jumper
wire
jumper
wire
Thermostat
B
G
Y
R
C
Fr
om
heat pump
with Aux heat
O
or
W
or
W2
HE
AT
C
OO
L
A
UT
O
ON
O
FF
F
A
N
The 8050C can be used with most 24-volt gas, oil or electric heating and air
conditioning systems, all heat pumps, and gas millivolt heating systems. It cannot be
used with 120 volt heating systems. Ask The Home Depot for other thermostats
to control line voltage systems.
The 8050C is programmable. There are 4 programming periods per day. Each period
can be programmed separately.
You can use the built-in time/temperature programs, or alter
them to suit your schedule. The 8050C separately programs
each day of the week for both heating and cooling.
You can
easily override the programmed temperatures for as little as one
programming period or up to an entire vacation.
The large backlit liquid crystal display shows time, day of the week, room and set
temperatures. It will also remind you when the filter should be changed in your blower.
Temperature swing adjustment lets you fine-tune your system for maximum comfort
and energy efficiency.
A 5-minute minimum off time protects your compressor system from being damaged.
Two "AA" batteries are used to retain your time and temperature programs and to run
the thermostat.