Bunn-O-Matic Corporation
39
Potential Start Relay Mounting Position
Always check the relay for correct mounting position before continuing with the
following continuity check.
• Relay terminal 2 and 5: No continuity, broken coil, replace relay.
• Relay terminal 1 and 2: No continuity, contacts are open, replace relay.
Start Capacitor
Start Capacitor: BUNN P/N# 39804.0004
Rating: 243-292 MFD 165V 50/60HZ
Disconnect the start capacitor from the system. Remove the bleed resistor. Use a capacitance
meter to measure the capacitance. The capacitance value should be the rated value
minus 0% to plus 20%. If it is outside of this range, then the start capacitor needs to be
replaced.
Run Capacitior
Run Capacitior: BUNN P/N# 44820.0004
Run Capacitor: 35 +/-5% MFD 425V 50/60HZ
Note: Use a 20,000 ohm resistor set-up to discharge the capacitor before removing from the machine. By doing this,
will avoid possible damage to the capacitior, measuring device and risk of electrical shock.
Once the capacitor is properly discharged, use a capacitance meter to check the capacitance value. The value
should be within 5% range of the marked capacitior value.
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