Sub-Zero BI Series Service Manual
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Sub-Zero BI Series Service Manual

Icemaker
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800.222.7820
BI
Service Manual
Icemaker Information
72

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  • Page 1 subzero.com 800.222.7820 Service Manual Icemaker Information...

  • Page 2: Icemaker System Information

    Mold Heater - The mold heater uses 165 watts to NOTES: thaw the ice free from the mold. • Water fill time/volume in the BI Series is controlled by Ice Ejector - The drive end of the ice ejector is “D” the electronic control ‘s microprocessor. The micro- shaped to fit into the “D”...

  • Page 3: Ice Maker Operation

    Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) FILL CUP EJECTOR HARNESS MOLD BODY THERMOSTAT SUPPORT ICE STRIPPER BRACKET HOLD SW MOTOR SHUT-OFF ARM LEVER BAIL ARM (LONG) COVER WATER SW GEAR MOUNTING PLATE Figure 5-1. Diagram of Icemaker Components (For reference only.
  • Page 4 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) 115 VOLTS 60 CYCLES THERMOSTAT SHUT-OFF SWITCH MOLD HEATER Start of the First Revolution (See Figure 5-3) SOLENOID SWITCH • The water in the ice mold has turned to ice. •...
  • Page 5 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) 115 VOLTS 60 CYCLES THERMOSTAT SHUT-OFF SWITCH MOLD HEATER First Revolution Continued (See Figure 5-5) • The ice ejector reach the ice in the mold. SOLENOID SWITCH • The ice releases from the mold as the ejector blades begin to rotate the cubes out.
  • Page 6 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) 115 VOLTS 60 CYCLES THERMOSTAT SHUT-OFF SWITCH MOLD HEATER End of First Revolution (See Figure 5-7) SOLENOID SWITCH • The water valve solenoid switch is tripped by the timing cam back to “normally open.” MOTOR •...
  • Page 7 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) 115 VOLTS 60 CYCLES THERMOSTAT SHUT-OFF SWITCH MOLD HEATER Second Revolution Continued (See Figure 5-9) SOLENOID SWITCH • The mold heater has warmed the thermostat, so the thermostat opens, and the mold heater is de-ener- MOTOR gized.
  • Page 8 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) 115 VOLTS 60 CYCLES End of Ice making Cycle (See Figure 5-11) THERMOSTAT SHUT-OFF SWITCH • The water valve solenoid switch is tripped by the MOLD HEATER timing cam back to “normally open” ending the water fill.
  • Page 9 Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) MANUALLY STARTING THE ICEMAKER NOTE: To allow ice to freeze fully and reduce effects of low water pressure, the electronic control disables the icemaker system for forty-five (45) minutes after each Turn Drive Gear ice harvest.

  • Page 10: Quick Reference

    Icemaker Information Built-In (BI) Series Built-In (BI) Series (SWS #4380000) (SWS #4380000) ICEMAKER FAULT TESTING ICEMAKER TROUBLESHOOTING No / Slow Ice Production Bypass 45-minute dwell by pressing ICE MAKER key to OFF, 1 Ice maker system switched OFF. Switch system ON. then again to ON. Now, depress the freezer light switch and 2 Shut off arm in up/OFF position.

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