JUMPER
4
TE
2-WIRE SYSTEM:
CONNECT WIRES TO
W AND RH IN
ANY
ORDER:
LEAVE
RC.RH
JUMPER INTACT.
4.wIRE
sYSTEM:
LEAVE
RC.RH
JUMPER INTACT.
5.WIRE
SYSTEM
%i%:T:F!k%h&.&,:
REMOVE
RC-RH
JUMPER.
c1
Loosen the terminal
screws, slip each wire
beneath its matching terminal, and tighten
screw until
all wires have been connected.
•1
If you have not done so already, press the
battery connector onto a 9V alkaline battery
(purchase separately). Place battery in the battery
holder.
BATTERY
CON
+=
TERMINALS
Ml 432
6
—
\
I Close thermostat doors.
u
w
b
a
CHECK THERMOSTAT
@
OPERATION
. Do not check heating system operation by
jumpering thermostat terminals at the primary
control. This will damage the thermostat. The
primary control is usually a gas valve, a relay
or burner control
bx
located behind the
furnace cover, an Aquastat controller or zone
valve with the thermostat wires connected to
it.
. To avoid
pessible
compressor damage, do
not operate the cooling system if the outside
temperature is below 50° F [1 O“ C]. See com-
pressor manufacturer’s instructions for further
information.
RESTORE POWER TO THE SYSTEM.
CHECKING HEATfNG OPERATION
1. Hold HEAT button to enter heat temperature 2°
above room temperature.
2.
3.
Let the furnace cycle through one complete
cycle.
If the display goes blank at any time during the
cvcle,
see TROUBLESHOOTING section of the
Owner’s Manual.
CHECKING
COOLING OPERATION
1. Hold COOL button to enter an air conditioning
temperature 2° below room temperature.
2. Allow the air conditioner to go through one
complete cycle.
3. If the display goes blank at any time during the
cycle, see TROUBLESHOOTING section of the
Owner’s Manual.
NEXT, REFER TO THE OWNER’S MANUAL
FORM NUMBER 69-8026 FOR PROGRAMMING
AND OPERATING INSTRUCTIONS.
7
69-802&2
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