Model Kühl and Kühl + Series
Step 5.
Install each sensor to the units’ electronic control PCB connector pin. Note that each
sensors connector is color coded (See Fig 1 & 2). The sensors connector color matches
the PCB connection connector color.
Step 6.
Reinstall the units’ control panel and then insert the supply power cord to the units power
supply. Re-establish unit power and observe user interface display. If a sensor is not
installed correctly a wrench will be displayed. If the sensors are correctly installed then no
wrench will be displayed.
Figure 1
Figure 2
920-198-08 (6-10)
Friedrich Air Conditioning Co.
Page 2 of 2
Post Office Box 1540 / San Antonio, Texas 78295-1540
(210) 357-4400 / (800) 541-6645 /
www.friedrich.com