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CONFIGURA

CONFIGURATION MENU

TION MENU

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

key to change to SL. The 1st stage and 2nd

stage would be 1.5°F and 1.2°F respectively.

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 compres-
sors already have a time delay built in and do not require
this feature. Your compressor manufacturer can tell you if
the lockout feature is already present in their system. When
the thermostat compressor time delay occurs it will flash the
setpoint for about five minutes.

Select Backlight Display

– The display backlight improves

display contrast in low lighting conditions. When the

terminal is powered, selecting backlight CdL ON will turn the
light on continuously. Select backlight OFF will keep the light
on momentarily after any key is pressed. When the

terminal is not powered, this selection has no effect.

Select (Fast) Second Stage ON or OFF

(not available in

Single Stage configuration) – In the run mode,
if the setpoint temperature is manually raised by 3°F (2°C)
or more above the actual temperature with the

, 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 min-
utes.

Select filter replacement run time

– The thermostat will

display

FLTR

after a set time of operation. This is a remind-

er to change or clean your air filter. This time can be set from
0 to 1950 hours in 50 hour increments.

A selection of 000

will cancel this feature

. When

“FLTR”

is displayed, you

can clear it by pressing HOLD and RUN

at the same time.

This resets the timer and starts counting the hours until the
next filter change. Contact your system manufacturer for a
specific replacement/maintenance interval.

10)

Select Temperature Display Adjustment 4 LO to 4 HI

–

Allows you to adjust the room temperature display up to 4°
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 cur-
rent or adjusted room temperature will be displayed on the
left side of the display.

11)

Select F° or C° Readout

– Changes the display readout

to Centigrade or Fahrenheit as required.

12)

Selected Auto mode

– This control will feature AUTO

changeover mode when AU on is selected (default). Press
the

keys in the menu mode to defeat the auto

changeover mode (OFF).

13)

Limited Heat Range

– This feature provides a maximum

setpoint temperature for heat. The default setting is 90°F. It
can be changed between 62°F and 89°F by pressing the

key.

14)

Limited Cool Range

– This feature provides a minimum

setpoint temperature for cool. The default setting is 45°F. It
can be changed between 46°F and 82°F by pressing the

key.

15 & 16)

Keypad Lockout

– This menu selection will display

lock

icon ( ) and

“OFF”

(default, keypad not locked out).

The

and

are used to toggle the selection between

OFF

and

(keypad locked out). When the keypad lockout

selection is enabled (

), and the SYSTEM button is

pressed again, the display will indicate the number

“0”

(default, still disabled) in the time digits. The

and

are

used to set the combination number from

999

. If a

combination of

is selected and the SYSTEM button is

pressed, the menu will be exited and keypad will not be
locked. If

999

is selected and the SYSTEM button is

pressed, the combination is stored into memory and the
menu is exited. The ( ) will display designating keypad
locked with a valid combination. The SYSTEM button will
operate for 10 seconds after the menu mode is exited to
allow the user to change the mode from

OFF

to the desired

SYSTEM mode.

While the keypad is locked out, a simultaneous press of

and

will enter the configuration menu from any

mode instead of only

OFF

mode. When the menu is

entered with the keypad lockout feature enabled, the first
menu item displayed is the combination code

. The

keys are used to set the combination unlock number

from

999

. If the unlock number matches exactly with

the combination lock number stored in memory when the
SYSTEM button is pressed, the keypad is unlocked and
the ( ) is removed. If the unlock number does not match
when the SYSTEM button is pressed, the menu is exited
and the keypad remains disabled.

To reset the combination code and unlock the keypad if
the code is forgotten, see troubleshooting section.

SPECIFICA

SPECIFICATIONS

TIONS

Electrical Rating

Electrical Rating:

Mv to 30 VAC 50/60 Hz or DC
0.05 to 1.5 Amps (Load per terminal)
2.5 Amps Maximum Total Load (All terminals combined)

ELECTRICAL DATA

THERMAL DATA

Setpoint Temperature Range

Setpoint Temperature Range:

45°F to 90°F (7°C to 32°C)