25
Step
Possible Cause
Check-out procedure
Corrective action
6
Blower
.
Low speed
Check if the
constant low
speed switch is
ON
Check for 120 Volts at the
''CONT'' terminal on
the electronic fan
control
Check for 120 Volts on
both side of the constant
low speed switch
Yes - Move to next step
No - Change the electronic fan control
Yes - Check ''LOW'' speed on
the blower motor
No - Change the switch
No Cooling
7
Blower
.
High speed
Cooling Speed
Check for 24 Volts between
G and C on electronic fan
control
Check for 120 Volts at the
''COOL'' terminal of
the electronic fan
control
Yes - Move to next step
No - Check thermostat and wiring; if
it's OK, then change the electronic fan
control
Yes - Check ''COOL'' speed on
the blower motor
No - Change the electronic fan control
No Cooling
8
Condensing unit
Check for 24 volts between
terminal Y and C on the
electronic fan control
Yes - Compressor ON
No - Check thermostat and wiring
Electronic air filter and Humidifier
9
Electronic air filter
Check for 120 Volts on
terminal ''EAC'' of the
electronic fan control
(thermostat must call a
Heat, Cool or Fan ON
demand
Yes - Electronic filter failure
No - Change the electronic fan
control
10
Humidifier
Check for 120 Volts on
terminal ''HUM'' of the
electronic fan control
(burner must be
energized)
Yes - Humidifier failure
No - Change the electronic fan
control
Summary of Contents for KLF-100
Page 7: ...7 KLR 200 DIMENSIONS Dimensions are in inches KLF 100 DIMENSIONS Dimensions are in inches...
Page 22: ...22 Position of the ST9103A1028 Electronic Board KLR 100 and 200 KLF 100 KLF 200...
Page 28: ...28 8 0 ELECTRICAL WIRING DIAGRAMS HEATING COOLING KLR KLF RIELLO...
Page 29: ...29 HEATING COOLING For more informations see next page...
Page 30: ...30 GeniSys control schematic with the ST9103 Board...
Page 31: ...31 HEATING ONLY RIELLO BECKETT...
Page 34: ...34 KLR 200 EXPLODED PARTS VIEW Detail A ELB A0 0008 00 Electric box...
