Checking Operation of Electrical Components

AIR CONDITIONING - FUNCTION TEST OF ELECTRICAL COMPONENTS
07/81 through 08/85

NOTE: In the event of complaints about air-conditioning system "refrigerant compressor without function or not connecting" proceed according to the following test scope. Prerequisite: Automatic heating system perfectly functioning.

TEST






Test Steps 1 and 2






Control panel






Refrigerant compressor






Air conditioning switch (13)






Test Step 3






Pressure switch (27) output






Test Step 4






Pressure switch (27) input






Test Step 4 (continued)






Test Step 5






Air conditioning switch (13)






Test Step 5 (continued)






Air conditioning switch (13)






Test Step 6






ETR switch (15-output)






Test Step 7






Test Step 8






Electronic switching unit (input)






Test Step 9






Test Step 9 (continued)






Air conditioning switch (13)






Test Step 9 (continued)