CHECK THERMOSTAT OPERATION
CONTINUED FROM PAGE 4
5
1
Step
Press Button(s)
Displayed
Press or
(Factory Default)
to select:
2
HP
4*
Configuration Menu
3
Set SYSTEM
switch to OFF
no HP
and
for at least 2 seconds
and
momentarily
and
momentarily
SL
FA
OFF
L
˚C
˚F
5
OFF
7
6
CL
(OFF)
3 LO TO
3 HI
FA
(ON)
and
momentarily
and
momentarily
and
momentarily
ON
0 HI
(0)
8
and
momentarily
* Not available on this model
ELECTRICAL DATA
Electrical Rating:
20 to 30 VAC 50/60 Hz.
0.05 to 1.0 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATA
Setpoint Temperature Range:
45
°
F to 90
°
F (7
°
C to 32
°
C)
Operating Ambient Temperature Range:
32
°
F to 105
°
F
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-40
°
F to 150
°
F
SPECIFICATIONS
6
Configuration Menu
The configuration menu allows you to set certain thermostat
operating characteristics to your system or personal requirements.
The menu mode may be exited by pressing the system key to
change from the OFF mode or after 15 minutes has elapsed with
no keypad activity.
2. Multi-stage or Heat Pump Output Configuration – This control
can be configured for Heat Pump or two stage heat/two stage
cool multi-stage operation. The display indicates no HP (de-
fault for multi-stage mode) in the display. The Multi-stage
configuration can be toggled to HP (Heat Pump mode) by
pressing the Temperature Up or Temperature Down key. In
Multi-stage configuration, system key selection will skip
EMERgency mode.
3. Fast or Slow Cycle Selection – The factory default setting is
fast cycle, which cycles 1st stage at approximately 1.2˚F and
2nd stage 0.75˚F. If you prefer slow cycle, press the tempera-
ture key to change to SL. The 1st stage and 2nd stage would
be 1.5˚F and 1.2˚F respectively.
4. Display light – Not available on this model.
5. In the run mode, if the setpoint temperature is manually raised
by 3
°
F (2
°
C) or more above the actual temperature with the
TEMPERATURE UP key, and the fast second stage feature is
enabled, FA on, the second stage will energize immediately.
With FA off, second stage will not energize until the setpoint
temperature is 1
°
F or more above actual temperature for more
than ten minutes.
6. Select Compressor Lockout CL OFF or ON – Selecting CL
ON will cause the thermostat to wait 5 minutes before turning
on the compressor if the heating and cooling system loses
power. It will also wait 5 minutes minimum between cooling and
heating cycles. This is intended to help protect the compressor
from short cycling. Some newer compressors already have a
time delay built in and do not require this feature. Your com-
pressor manufacturer can tell you if the lockout feature is
already present in their system. When the thermostat compres-
sor time delay occurs it will flash the Snowflake and Flame
Icons for about five minutes.
7. Select Temperature Display Adjustment 3 LO to 3 HI –
Allows you to adjust the room temperature display up to 3
°
higher
or lower. Your thermostat was accurately calibrated at the
factory but you have the option to change the display temperature
to match your previous thermostat. The current or adjusted
room temperature will be displayed on the left side of the display.
8. ˚F or ˚C Selection – The factory default setting for temperature
display is Fahrenheit. If you want the temperature in Celcius,
press temperature key to change to ˚C.
9 Displays currently programmed set temperature (this is blank
when SYSTEM switch is in the OFF position).
10 Stage 1 & 2 Indicators: The thermostat shall indicate when
the first and second stage is energized except in emergency
mode. The icon is STG 1 for the first stage energized. The
icons for the first and second stage energized are STG1+2
located in the lower right side of the display.
OPERATION
The system “mode” is selected by pressing the system key. Icons
on the bottom right corner of the display will indicate the mode;
COOL ( ), AUTO ( ), HEAT ( ), EMER, or OFF. In any mode
except OFF, the setpoint temperature will be shown on the right
side of the display. In OFF, this area will be blank. The current
temperature will be displayed on the left side of the display.
To operate properly in the AUTO mode, the heat setpoint tempera-
ture cannot be the same as or higher than the cool setpoint
temperature. The heat setpoint must be at least 1˚ lower than the
cool setpoint. If you are unable to raise the setpoint temperature
in HEAT or lower the setpoint temperature in COOL, you may be
at the 1˚ difference. To obtain the temperature you wish to set,
change to the opposite mode and move that setpoint away from
your temperature.
7
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