Graco 262300 Heat Pump User Manual


 
Troubleshooting
3A0245B 27
Unit Will Not Run - Steps: 100-120 VAC UK
Digital Display
Control
Board
Thermal
Switch
Motor
Leads
Potentiometer
Pressure
Transducer
Black
Blue
Blue
Brown
Motor
Sensor
Leads
Green/Ground
Motor
Brown
Green/Ground
Prime/Fill Tool
Reed switch
ti15686a
-
100k ohm
+
-
110-120 AC
V
-
110-120 AC
V
-
STEP 1:
Plug power cord in
and turn switch ON.
Connect wires to
control board and
ON/OFF switch. Turn
meter to AC volts.
STEP 2:
Plug power cord in
and turn switch ON.
Connect wires to
control board and
ON/OFF switch. Turn
meter to AC volts.
STEP 3:
Check motor thermistor.
Unplug yellow wires. Meter
should read 6.2k ohms.
NOTE: Motor should be cool
during reading.
STEP 4:
Plug power cord in and
turn switch ON. Disconnect
potentiometer. Use
nonmagnetic screwdriver
to short pins.
Brown +
Black
Ye l l o w
On/Off
Switch
White
Control
Board
On/Off
Switch
White
Thermal
Switch
Motor
Black
Control
Board
Brown
Black
Blue
Blue
Brown
Brown +