Lennox SCA 010 Installation, Operation & Maintenance Manual page 69

USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA
Variable or setpoint value
Digital Values
Temperatures
Temperatures are displayed in °C, to an accuracy of 0.1 °C
Pressures
Pressure is given in bars, to an accuracy of 0.1 bar.
Other analog values
Specific Displays
Software Version
When the unit is powered up, the KP02 software version number is displayed.
Display Test
The display can only be tested for correct operation when the unit is powered up and by pressing on the 3 keys "A", "M" and
"-" simultaneously. If the display is working correctly, the following will be displayed :
Communication Error
If there is no communication between the KP02 display unit and the CPU card, the following message is displayed :
Page 68 - IOM / Rooftop Smart and Linéa™ Range
1 <--> ON
<--> -21.6 °C
<--> 18.3 bars
Values displayed
<--> version 1.0 (for example)
All digits are properly displayed.
<--> "Communication problem"
0 <--> OFF
<--> + 105.8 °C
Values non
displayed