Robertshaw RS4320C USERS MANUAL - Manuel (Page 8)

CY = Cycle Timer allows a compressor to rest between cycles. Can be
set from 0 to 5 minutes in 1 min increments.
WARNING: A wrong short cycle setting can
damage your equipment. This should only be
changed by a trained HVAC professional.
CL = Calibration offset. Changes the displayed temperature from the
actual temperature by +3 to -3 degrees in one degree increments.
Increasing the offset by +2 will cause the thermostat to display a
temperature that is 2 degrees higher than the actual room.
Creating a Password – Protect the Settings
The buttons on the front of the thermostat can be locked with a password.
To create a password:
1. Press the and buttons at the same time and hold them in
for 5 seconds.
You will be asked for a 2 digit password.
2. The digits are set using the and buttons to progress
through 00 to 99.
Press the to move to the next digit. Press to move back.
3. The password is saved after 5 seconds.
All of the front buttons are now locked out until the password is entered.
Pressing any button will cause to flash.
To unlock the buttons:
1. Push and hold the and buttons for 5 seconds until the
request for password is displayed.
2. Enter the digits for the password by pressing or to
progress through the numbers to the password.
3. When the correct password is set, wait for 5 seconds to unlock the
system.
4. If the wrong password is entered the display will flash -- for 5
seconds then return to normal.
Once the security has been disabled, a password needs to be
re-created to protect the settings.
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