Sub-Zero Built-In (600-2) Series Air Flow & Fan Blade Spacing

Fan Blade Spacing Requirements

This section details the required air flow and fan blade spacing for various Sub-Zero Built-In 600-2 Series models to ensure optimal performance.

Figure 5-1: Air Flow and Fan Blade Spacing, Model 601R-2

Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down.

Figure 5-2: Air Flow and Fan Blade Spacing, Model 601RG-2

Fan Motor Face to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan motor face is clamped down.

Figure 5-3: Air Flow and Fan Blade Spacing, Model 601F-2

Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped up.

Figure 5-4: Air Flow and Fan Blade Spacing, Models 611-2 and 650-2

Freezer Fan Bracket to Fan Blade Hub Spacing: 29/32" ± 1/16" (23.02 mm ± 1.59 mm). The fan bracket is clamped down.

Refrigerator Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down. Note: See 611G-2 & 650G-2 on next page.

Figure 5-5: Air Flow and Fan Blade Spacing, Models 611G-2 and 650G-2

Freezer Fan Bracket to Fan Blade Hub Spacing: 29/32" ± 1/16" (23.02 mm ± 1.59 mm). The fan bracket is clamped down.

Refrigerator Fan Motor Face to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan motor face is clamped down.

Figure 5-6: Air Flow and Fan Blade Spacing, Models 632-2 and 642-2

Freezer Fan Bracket to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan bracket is clamped back.

Refrigerator Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down.

Figure 5-7: Air Flow and Fan Blade Spacing, Models 661-2

Freezer Fan Bracket to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan bracket is clamped back.

Refrigerator Fan Motor Face to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan motor face is clamped down.

Figure 5-8: Air Flow and Fan Blade Spacing, Model 685-2 (Prior to Serial #2271174)

Freezer Fan Bracket to Fan Blade Hub Spacing: 1-3/8" ± 1/16" (34.93 mm ± 1.59 mm). The fan bracket is clamped up.

Refrigerator Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down.

Figure 5-9: Air Flow and Fan Blade Spacing, Model 695-2 (Prior to Serial #2269189)

Freezer Fan Bracket to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan bracket is clamped back.

Refrigerator Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down.

Figure 5-10: Air Flow/Fan Blade Space, 685-2 (Starting w/Serial #2271174), 695-2 (Starting w/Serial #2269189)

Freezer Fan Bracket to Fan Blade Hub Spacing: 7/8" ± 1/16" (22.23 mm ± 1.59 mm). The fan bracket is clamped back.

Refrigerator Fan Bracket to Fan Blade Hub Spacing: 1-1/4" ± 1/16" (31.75 mm ± 1.59 mm). The fan bracket is clamped down.

Icemaker Information

Figure 6-1: Diagram of Icemaker Components

This diagram illustrates the various components of the icemaker, including:

Ice Ejector
Bearing / Inlet
Ice Stripper
Ice Mold and Mold Heater
Ice Level Arm
Lever Arm
Water Valve Solenoid Switch
Timing Cam
Timing Gear
Cover
Drive Motor
Thermostat
Support
Shut-off Switch
Holding Switch
Support Plate
(Location of Thermal-Mastic)

For icemaker component part numbers, refer to the 600-2 Service Parts Manual.

Icemaker Operation

The following series of electrical schematics illustrate a typical icemaker cycle of operation. Below each schematic is a diagram indicating the approximate location of the ice ejector and ice level arm during the phase the schematic indicates.

Freeze Phase of Ice Making Cycle (See Figure 6-2)

The ice mold is filled with water.
The thermostat is open.
No icemaker components are energized.

Figure 6-2: The Freeze Phase

This schematic depicts the freeze phase of the icemaker cycle. It shows the electrical connections for:

115 VOLTS
60 CYCLES
TCO
SHUT-OFF SWITCH
THERMOSTAT
MOLD HEATER
WATER SOLENOID
MOTOR
HOLDING SWITCH
WATER
ICE MOLD
ICE BUCKET

The diagram also indicates the approximate position of the ice ejector and ice level arm during operation.

Models: 600-2, 601RG-2, 601R-2, 601F-2, 611-2, 650-2, 611G-2, 650G-2, 632-2, 642-2, 661-2, 685-2, 695-2, 600-2 Series Air Flow and Fan Blade Spacing, 600-2 Series, Air Flow and Fan Blade Spacing, Flow and Fan Blade Spacing, Fan Blade Spacing, Blade Spacing, Spacing

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