6
Exiting Configuration Mode —
To exit the configu-
ration mode, press the
fan
button.
SYSTEM START-UP AND CHECKOUT
Installer Test Mode —
This thermostat has a built-in in-
staller test capability. It allows easy operation of equipment
without delays or set point adjustments to force heating or
cooling. To enter installer test mode, press and hold the
fan
button for 15 seconds (after 10 seconds installer configuration
is entered; a continuous 15 seconds and installer test is
entered). At the start of installer test, the mode is Off, the fan is
"fan auto" and the set point displays “InS.”
The
mode
button is used to change the system operating
mode to test the heating and cooling equipment. Auto mode is
not available during installer test.
When the mode is set to heat, heating is energized for
180 seconds. During the installer test operation, the "on" icon is
displayed.
At the end of the equipment test cycle the mode returns to
OFF.
The LCD display counts down the time remaining (in sec-
onds, from 180 to 0) for each stage when the equipment is en-
ergized. See Fig. 5.
The same procedure is repeated for the cool mode. "C" is
displayed when cooling is active.
The test of a heating or cooling cycle can be terminated be-
fore the timer counts down to zero by pressing the
mode
button.
Pressing the
fan
button alternates the fan selection between
fan auto and fan on and the fan output follows accordingly.
There is no timer associated with the installer testing of the fan
operation.
Setting the mode to Em heat, if available, turns on the auxil-
iary heat for 180 seconds. The space temperature location dis-
plays an "E," the clock display counts down from 180 to 0 in
one-second increments and the "aux heat on" icon is displayed.
At the end of the 180 seconds, the mode returns to OFF.
Terminating Installer Test —
After 15 minutes of no
button presses by the installer, installer test is terminated.
Pressing the up button, down button, or cycling thermostat
power at any time during installer test terminates the installer
test and returns the thermostat to normal operation.
Checklist —
The following installer checklist should be
performed after completing installation:
1. Run equipment through several heating and cooling cy-
cles to ensure proper operation. To operate the thermostat
in its normal operating mode, consult the Owner's
Manual.
2. If the equipment is to be left in operation, the set points
and operating mode must be properly selected.
3. Put away tools and instruments and clean up debris.
4. Review and leave Owner's Manual with customer.
OPERATION
Mode Selection —
The
mode
button allows the user to
display the off, heat, cool, auto and emergency heat icons.
Pressing the
mode
button cycles through the available modes
based on the equipment selection from Option 01, the auto
availability setting from Option 15, and the electric heat avail-
ability from Option 35. Available choices are listed in Table 2.
Table 2 — Mode Selection
Fan Selection —
Pressing the
fan
button toggles between
the Fan On and Fan Auto selections. When the “fan on” icon is
displayed, the fan operates continuously. When “fan auto” is
displayed, the fan will run only with the equipment.
Set Temperature Selection —
If auto mode is not ac-
tive and off mode is not active, pressing the
up
or
down
button
causes the set point corresponding to the current system mode
to be updated. If the
up
or
down
button is held, the set point
value will be scrolled. The set point change also takes into ac-
count that Option 11 (deadband) is preserved along with ensur-
ing that Option 26 (minimum cooling set point) and Option 27
(maximum heating set point) are taken into account to enforce
set point limits.
If auto mode is active, pressing the
up
or
down
button
causes the set point corresponding to the current operating
mode to be updated. To move between the heat and cool set
points, press the
mode
button to toggle between set points.
Once the desired set point has been adjusted, press the
mode
button to return to auto mode.
If off mode is active, the
up
and
down
buttons are ignored
for changing set point(s).
When changing the set points, the following restrictions are
in place. The cool set point cannot be increased above 90 de-
grees F (32 C) or decreased below Option 26, the minimum
cooling set point. The heat set point cannot be decreased below
50 F (10 C) or increased above Option 27, the maximum heat-
ing set point.
When Option 39 is set to SP (set point), the set point adjust-
ment is displayed in the large space temperature digits.
Batteries —
Battery operation is available for installations
where there is no common (C) wire available at the thermostat.
For battery operation, install two alkaline AA batteries. The
mode
fan
heat
auto
fan
aux heat
on
Fig. 5 — Installer Test Mode
a33-9226
OPTION 01
(Equipment
Selection)
OPTION 15
(Auto
Available)
OPTION 35
(Emergency
Heat Mode
Available)
AVAILABLE
MODES
AC, HP or
35 (WSHP)
On
On
Off, Heat,
Cool, Auto,
Em Heat
Off
Off, Heat,
Cool, Auto
Off
On
Off, Heat,
Cool, Em Heat
Off
Off, Heat, Cool
H
Not Available
On
Off, Heat,
Em Heat
Off
Off, Heat
C
Not Available
Not Available
Off, Cool
Summary of Contents for Comfort Pro 33CSCNACHP-01
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