Teco chiller tk500

[Desmond]

Hi anyone running a teco chiller tk500 ? in the settings menu i have 4 options not 3 as it says in the manual.
HY hysteresis
Ot to adjust probe
o1 activation of heating element on or off
The forth that comes up is rL

Does anyone know what this is ?

 

[GoVols]

@SPR1968

Shaun,
Do you have a rl option, is so, what's it for?

 

[greekspec2]

i have it on my TK1000 shoot a email to Teco if there open..

http://www.tecoonline.eu/

 

[Fuzzywuzy]

Anyone has an idea? I too have the rl function, not sure what it is

 

[cocolococo]

it's on the manual of their current TK500 but not the one with r290. rl is the firmware version.