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6
INSTALLER/CONFIGURATION MENU
1. This control can be configured for:
HP1 – Heat Pump with one stage of compressor (1
heat/1 cool)
SS1 – Single Stage System (3 wire zone see wiring
diagrams.
2. GAS or Electric (ELE) fan operation. If the heating
system requires the thermostat to energize the fan, select
ELE. Select GAS if the heating system energizes the
fan on a call for heat. Note: Resetting the thermostat
switches the option to GAS.
3. O/B Terminal selection – Selects the operation of the
reversing valve (when item 1 is set to HP1 or HP2 only).
When set to "O" the changeover valve will be energized
in COOL to accommodate the majority of heat applica-
tions. If the heat pump requires the changeover valve to
energize in HEAT, select "B".
4. Programs per week – This control can be configured for
7 independent day or 5+1+1 day programming or non-
programmable modes. Default is 7-day mode. The display
indicates "7 Days" as default. Other options "5 Days" or
"0 Days" can be selected. If "0 Days" is selected for non-
programmable mode, the step for EMR will be skipped, as
this feature will not be available in this mode.
5. Program Steps per day – Not available if configured for
non-programmable. This control can be configured for 4
or 2 program steps per day. Default is "4 PS" and can be
toggled between 4 PS and 2 PS.
6. System Switch Configuration (MS2/SS1) – This ther-
mostat is configured for Heat and Cool with Auto change-
over default (Cool-Off-Heat-Auto). It can be configured as
Heat & Cool (Cool-Off-Heat), or Heat Only (Off-Heat), or
Cool Only (Cool-Off).
When the control is in heat pump configuration (HP1/
HP2), the system switch configuration will have an
additional mode, Em for Emergency.
7. Energy Management Recovery (EMR) – (this step is
skipped if configured as non-programmable). When set
to "On" causes the thermostat to start heating or cooling
early to make the building temperature reach the program
setpoint at the time you specify.
Example: The heating program is 65°F at night and 70°
at 7 AM. If the building temperature is 65°F, the difference
is 5°F. Allowing 5 minutes per °F rise, the thermostat set-
point will change to 70° at 6:35 AM. Cooling allows more
time per °F, because it takes longer to reach temperature.
8, 9 & 10. Cycle Rate Selection – The factory default setting
is fast cycle (FA Cr) in all modes (Heat, Cool, Em). To
change to slow cycling (SL, Cr), press touch keys or
toggle between FA & SL. The cycle rates are below:
Mode Med Slow
Heat 0.6°F 1.5°F
Cool 1.2°F 1.7°F
Heat Pump 1.2°F 1.7°F
Emer Heat 0.6°F 1.7°F
11. Stage Cycle Completion (SC) – Selecting (SC ON) will
cause the thermostat to complete heating and/or cooling
cycles on the highest stage engaged during the cycle.
Thermostat will not reduce heating or cooling stages be-
fore the heating or cooling cycle is satisfied and all stages
are turned off.
12. Select Compressor Lockout (CL) – Selecting (CL On)
will cause the thermostat to wait 5 minutes between cool-
ing cycles. This is intended to help protect the compressor
from short cycling. Some of the newer compressors have
a time delay built in and do not require this feature to be
activated in the thermostat. Your compressor manufactur-
er can tell you if this lockout feature is already present in
their system. When the thermostat compressor time delay
is activated, it will flash the set point for up to five minutes.
13. Select Continuous Display Lighting (dL) – In low
lighting conditions, display backlight improves the display
contrast. (See Table 1)
14. Select Temperature Display Adjustment 5 LO to 5 HI
This allows you to adjust the room temperature display
by -5°F to +5°F in 1° steps. Your thermostat was accu-
rately calibrated at the factory, however you have the
option to change the display temperature value to match
the previous thermostat, if you so prefer.
15. Select °F or °C Readout – Changes the display readout
to Celsius or Fahrenheit as required.
16. Select Audio Prompting (Beeper) On or Off – Factory
default setting is b, On. If you wish to turn off the beeper
select OFF.
17. Select Daylight Saving Time Calculation – This feature
will allow the thermostat to calculate the DST automatically
and apply it to the Real Time Clock display. Default is On.
18 & 19. Select Automatic Schedule – Not available if
configured for non-programmable. This feature allows
programming a “Comfort Temperature” into all program
periods with the Auto Schedule key. When Heat AS
(for Heat mode) or Cool AS (for Cool mode) is selected
On, the Auto Schedule feature is ready to be set. Off
indicates that the feature is not ready to be used or a
“Comfort Temperature" is already set. See Auto Schedule
in Programming section.
20 & 21. Select Cool Savings™ – Cool Savings™ provides an
energy saving temperature offset (from 1-6 degrees) under
peak cooling load conditions (high outdoor temperatures).
CONFIGURATION MENU
Screen
Reference
Number
SS1
MS2
HP1
HP2
Press
key
Displayed
Factory
(Default)
Press or
to select from
listed options
Comments
Option
Selected
34
(60) Cd 0-99 Selects compressor off delay in seconds, dF selected On
35
(80) AO -5 - 79 Selects Auxiliary Heat cut out temperature. This item appears
if HP1 or HP2 is selected and outdoor sensor is installed and
enabled.
36
(OFF) Change
UV Lamp
On Selects Change UV Lamp feature.
37
350 Days 25-1975 Change UV Lamp duration days.
38
OFF
Change Filter
On Selects Change Filter feature.
39
200 Hrs 25-1975 Change Filter duration hours.
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