Aquacal LTM0266 - Manual (Page 10)

Page 4
STEPS EXPLANATION
Enabling User Lock Option
Press and hold “Up” and
“Down” buttons simultaneously
until “CF1” is displayed. If “LOC” is briefly displayed, followed by a “0”, the heat pump is already locked.
A numerical password is required
to proceed. See “Unlocking Heat Pump” on
page 4 for more information.
Press “Pool/Spa” button until
“ELC” is displayed.
Any prior password can be viewed from this program.
Press “Up” button once to view
any existing numerical
password.
if desired, p ress “Up or “Down”
button to change or add a
numerical password
The password can be any number from “00” to “99”. Without knowledge of the
correct password, control adjustments will not be possible.
Press “Pool/Spa” Button to lock
in the password.
Press “Pool/Spa” button until
“ULC” is displayed.
Press “Up” button till “1” is
displayed. Code “0” = User Lock disabled.
Code “1” = User Lock enabled.
Press “Pool/Spa” Button to save
selection.
Wait 15 seconds to allow heat
pump to exit programming
mode.
The heat pump lock-out feature is now enabled and the heat pump itself is
locked. Any future changes will now require a numerical password.
Unlocking Heat Pump
Press “Up” or “Down” Button.
If the heat pump is locked, “LOC” is briefly displayed followed by a “0”,
prompting the entry of the correct password.
Press “Up” button to enter the
password.
Press “Pool/Spa” Button.
If the correct password has been entered, the heat pump is unlocked. The
current water temperature is displayed and control settings are available.

The heat pump locks after being left idle for 15 seconds or after changing a
program option.

Before changing multiple program options it is recommended the lock-out
option be disabled. The lock-out option can be enabled after all changes are
completed
Disabling User Lock Option
Press and hold “Up” and
“Down” buttons simultaneously
until “CF1” is displayed.
Press “Pool/Spa” button until
“ULC” is displayed
Press “Down” button until “0” is
displayed.
Code “0” = User Lock disabled.
Code “1” = User Lock enabled.
Wait 15 seconds to allow heat
pump to exit programming
mode.
All programmable features are now available.
Table 4