Main Control Board - Sub-Zero Built-In Series Assembly

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Electronic Control System
CONTROL BOARD LAYOUT AND SUMMARY TABLE
The electrical connection points on the main control board are labeled alphanumerically
labels correspond with the alphanumeric control board summary table, located on wiring diagrams
By referencing the summary table, it is possible to identify which components are connected at which connection
points on the main control board.
NOTE: All components on control board are non-replaceable. If problems with control board are identified, the
complete control board must be replaced.
P18
P9
P8 P7 P6
CIRCUIT DESCRIPTION
120 VOLT CIRCUITS
P14-1 NEUTRAL
P14-2 UNUSED
P14-3 UNUSED
P14-4 POWER IN (L1)
P14-5 UNUSED
P14-6 POWER IN (L1)
P15-1 MAIN LIGHTS
P15-2 UNUSED
COMPRESSOR #1
P15-3
P15-4 UNUSED
P15-5 COMPRESSOR #2
P15-6 UNUSED
P15-7 UNUSED
P15-8 DEFROST HEATER
P16-1 UNUSED
P16-2 UNUSED
P16-3 WATER VALVE
ICE MAKER WATER VALVE
P16-4
P16-5 ICE MAKER ACCESSORIES
P16-6 ICE MAKER
P16-7 CONDENSER FAN
P16-8 UNUSED
P16-9 AIR FILTER LIGHT
P18-1 WATER VALVE INPUT
P18-2 WATER FILTER RESET SWITCH
UNUSED
P18-3
P18-4 FREEZER DOOR INPUT
P18-5 REFRIGERATOR DOOR INPUT
P18-6 REF BI-METAL
#7019014 - Revision A - October, 2010
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Main Menu
Built-In (BI) Series
Built-In (BI) Series
P16
P6
MAIN CONTROL
BOARD
P5
Figure 3-2. Control Board Layout
S x S CONTROL BOARD SUMMARY
FUNCTION COLOR
NEUTRAL INTO BOARD WHITE
UNUSED
UNUSED
POWER INTO BOARD BLACK
UNUSED
POWER INTO BOARD BLACK
POWERS MAIN LIGHTS YELLOW
UNUSED
PURPLE
POWERS COMPRESSOR
UNUSED
POWERS REF COMPRESSOR GRAY
UNUSED
UNUSED
POWERS OFF HEATER BLUE
---
---
POWERS WATER VALVE
TAN/WHITE
POWERS IM WATER VALVE
POWERS FILL TUBE AND ACCESSORIES WHITE/BLUE
POWERS ICE MAKER PINK
WHITE/RED
CONDENSER FAN
UNUSED
ORANGE/RED
AIR FILTER LIGHT
SENSES WATER VALVE ACTIVATION TAN
SENSES WATER FILTER RED
UNUSED
SENSES IF FREEZER DOOR IS OPEN ORANGE/BLACK
SENSES IF REF DOOR IS OPEN ORANGE
GRAY/WHITE
SENSES WHEN DEF HEATER SHUTS OFF
Figure 3-3. Control Board Summary Table
Main Menu Built-In Series Menu
Built-In Series Menu
P15
8 5
P3
P2
CIRCUIT DESCRIPTION
LOW VOLTAGE CIRCUITS
P2-1 EVAPORATOR FAN GROUND RETURN
- P2-2 CRISPER LIGHT 12 VDC POWER
- P2-3 CRISPER LIGHT GROUND RETURN
P2-4 UNUSED
- P2-5 UNUSED
P2-6 UNUSED
P2-7 AIR FILTER FAN
-
P2-8 AIR FILTER FAN
P2-9 AIR FILTER LIGHT
-
P2-10 AIR FILTER LIGHT
UNUSED
P2-11
-
P2-12 FREEZER EVAPORATOR FAN
-
P2-13 REF EVAPORATOR FAN
P2-14 EVAPORATOR FAN 12 VDC POWER
---
P2-15 FREEZER EVAPORATOR FAN
--
P2-16 REF EVAPORATOR FAN
-
P2-17 UNUSED
CIRCUIT DESCRIPTION
P3-1 UNUSED
P3-2 UNUSED
P3-3 FLOW METER
-
P3-4 FLOW METER 12V DC POWER
P3-5 UNUSED
P3-6 FLOW METER
P3-7 UNUSED
-
CIRCUIT DESCRIPTION
THERMISTER CIRCUITS
P5-1 FREEZER EVAPORATOR
P5-2 FREEZER EVAPORATOR
P5-3 FREEZER CABINET
P5-4 FREEZER CABINET
P5-5 UNUSED
P5-6 UNUSED
P5-7 REFRIGERATOR EVAPORATOR
P5-8 REFRIGERATOR EVAPORATOR
P5-9 REF CABINET
P5-10 REF CABINET
P5-11 UNUSED
P5-12 UNUSED
P5-13 UNUSED
UNUSED
P5-14
P5-15 UNUSED
P5-16 UNUSED
3-4
Table of Contents
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(See Figure 3-2).
(See Figure
P14
3 1 6 4 1
P1
FUNCTION COLOR
EVAPORATOR FAN RETURN WHITE
CRISPER LIGHT POWER -
CRISPER LIGHT RETURN -
UNUSED -
UNUSED -
UNUSED -
RED/BLACK
AIR FILTER FAN OUTPUT
AIR FILTER FAN RETURN WHITE/BROWN
AIR FILTER LIGHT OUTPUT -
AIR FILTER LIGHT RETURN -
UNUSED -
PWM DRIVE OUTPUT YELLOW/BROWN
PWM DRIVE OUTPUT YELLOW
EVAPORATOR FAN POWER RED
TACHOMETER INPUT BLUE/WHITE
TACHOMETER INPUT BLUE
UNUSED -
FUNCTION COLOR
-
---
-
---
WHITE/BLACK
FLOW METER RETURN
FLOW METER POWER BLACK/WHITE
-
UNUSED
WATER FLOW SENSOR INPUT BROWN
-
UNUSED
FUNCTION COLOR
BLUE/BLACK
SENSES TEMPERATURE
SENSES TEMPERATURE BROWN
SENSES TEMPERATURE BLUE
SENSES TEMPERATURE BROWN
BLUE/WHITE
---
--- BROWN
SENSES TEMPERATURE BLUE/YELLOW
SENSES TEMPERATURE BROWN
SENSES TEMPERATURE BLUE/ORANGE
SENSES TEMPERATURE BROWN
--- BLUE/RED
--- BROWN
--- ---
--- ----
--- ----
--- ----
These
3-3).
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