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Electronic Control System

Integrated

(700-

3

BASE)

Series

3-15

#3758424 - Revision B - December, 2005

Monitor and Control Refrigerator Fan-Assisted, Off-Cycle Defrost (700BR-3)

Temperature signals from refrigerator evaporator's thermistor’s are observed by the microprocessor. During off cycle
defrost, if a refrigerator zone temperature reaches high offset (calling for cooling) before evaporator temperature
rises to 38°F (3°C), no power will be supplied the the compressor. But, the the zone evaporator fan will switch ON.
Once the evaporator temperatur reaches 38°F (3°C), normal cooling functions begin. (See Figure 3-23).

NOTE:

If refrigerator compartment thermistor is faulty, compressor operation defaults to 20 minutes ON, 40 minutes

OFF cycling, EE appears in left of LCD, SERVICE will flash and Error Code 05 will be logged.

NOTE:

If evaporator thermistor is faulty, the compressor will not energize until zone air temperature exceeds high

offset by 5°F (3°C). SERVICE flashes and Error Code 06 is logged.

NOTE:

When in

Sabbath Mode, the
refrigerator compart-
ment thermistor still
controls compressor
operation, except
there is a random 15
to 25 second delay
before the compres-
sor is energized.

Figure 3-21. 700BR-3 Signal Trace - Regulate Refrigerator Zone

M

M

M

J3

P4

P3

P1

P2

UPPER DRAWER LIGHT

YELLOW

UPPER

LIGHT SWITCH

ORANGE W/BLACK STRIPE

LOWER

LIGHT SWITCH

ORANGE

PURPLE

BLACK

LOWER DRAWER LIGHT

STARTING

CONDENSER FAN

RELAY

REF FAN MOTOR

PROTECTOR

OVERLOAD

COMPRESSOR

COMPRESSOR

CAPACITOR

RUNNING

MAIN BOARD

PIN 1

PIN 1

PIN 1

PIN 1

PIN 1

WHITE

ORANGE

ORANGE W/BLACK STRIPE

ORANGE

(WHEN

USED)

RED

J5

J3

J4

J6

P2

J2

P1

P3

P4

60 CYCLES

L1

NEUTRAL

WHITE

WHITE

HIGH VOLTAGE SCHEMATIC

115 VOLTS

THERMISTOR EVAPORATOR

THERMISTOR UPPER DRAWER/REFRIGERATOR

DISPLAY BOARD

BLUE W/BLACK STRIPE

BLUE W/BLACK STRIPE

BLUE W/YELLOW STRIPE

ORANGE W/YELLOW STRIPE

MAIN BOARD

PIN 1

PIN 1

PIN 1

PIN 1

PIN 1

PIN 1

PIN 1

BLUE

ORANGE

WHITE
BLACK

YELLOW

RED

MEMBRANE KEYPAD

J5

J6

J4

J2

J3

J2

DISPLAY

LOW VOLTAGE SCHEMATIC

1. Thermistor at high off-set

temp. calling for cooling.

2. No Power

to lights.

5. compressor and

condenser fan
energized.

4. When Evap

Thermistor rises
above 38°F (3°C),

3. Evap fan energized.

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Содержание 700-3 BASE

Страница 1: ...SUB ZERO FREEZER COMPANY INC 2005 ALL RIGHTS RESERVED JOB AID 3758424 Revision B December 2005 Integrated 700 3 BASE Series T Te ec ch hn ni ic ca al l S Se er rv vi ic ce e M Ma an nu ua al l ...

Страница 2: ......

Страница 3: ...General Information Integrated 700 3 BASE Series 1 1 3758424 Revision B December 2005 SECTION 1 GENERAL INFORMATION ...

Страница 4: ...rsonal injury and or product damage The sample Product Safety Labels below illustrate the precautions that should be taken when the sig nal word is observed INTRODUCTION This 700 3 Series Base Unit Technical Service Manual Part 3758424 has been compiled to provide the most recent information on safety installation set up design operation features troubleshooting wiring diagrams and repair procedur...

Страница 5: ...3 15 Monitor Compressor Run Display SERVICE 3 16 Monitor Ice Maker System Display ICE SERVICE 3 17 Possible Error Indicators 3 18 Troubleshooting Input Operations 3 19 Diagnostic Mode 3 19 Thermistor Location Code Tables 3 19 Diagnostic Mode Indicators 3 20 Error Code Table 3 20 Manual Component Activation Mode 3 21 Temperature Log Recall Mode 3 22 Compartment Temperature History Only 3 22 Compart...

Страница 6: ...st Terminator 700BC I 3 700BF I 3 7 13 Defrost Heater 700BC I 3 700BF I 3 7 13 Control Board Assembly 700BC I 3 700BF I 3 7 14 Evaporator Fan Assembly 700BC I 3 700BF I 3 7 14 Compressor Area Mechanical Components 7 15 Main Control Board 700BR 3 7 15 Icemaker Water Valve Assy 700BCI 3 700BFI 3 Prior to Serial 2421189 7 16 Icemaker Water Valve Assy 700BCI 3 700BFI 3 Starting w Serial 2421189 7 17 C...

Страница 7: ... year LIMITED SEALED SYSTEM warranty sealed system parts only ONE FIVE YEAR Display Model Home Warranty Summary Display units sold three years after date of manufacture One Year TOTAL PRODUCT warranty parts and labor Five year LIMITED SEALED SYSTEM warranty sealed system parts only Warranty Details Total Product Parts includes but is not limited to the following Electronic Control System Component...

Страница 8: ...ature Zones Upper Refrigerator over Freezer Overall Dimensions 34 H x 27 W x 24 D Model 700BR 3 Figure 1 3 700 Series Base Refrigerator 3rd Design Build Refrigerator with One Temperature Zone Overall Dimensions 34 H x 27 W x 24 D Model 700BF 3 Figure 1 4 700 Series Base Freezer 3rd Design Build Freezer with One Temperature Zone Overall Dimensions 34 H x 27 W x 24 D Model 700BFI 3 Figure 1 3 700 Se...

Страница 9: ...Installation Information Integrated 700 3 BASE Series 2 1 3758424 Revision B December 2005 SECTION 2 INSTALLATION INFORMATION ...

Страница 10: ...ng internal frost or condensation warm compartment temperatures exterior condensation etc NOTE If additional installation information is needed refer to the complete Installation Manual and or installation video or contact the Sub Zero Technical Assistance Department Unit Leveling NOTE The kickplate grille must be removed before leveling See Figure 2 1 If unit has been anchored to cabinets side mo...

Страница 11: ...r and or drawer panels must be adjusted if there are alignment problems Refer to Installation Manual and or installation video for panel installation and adjustment NOTE Unit must be level before attempting to adjust door and drawer panels Dual Unit Installations If two Base units are installed side by side and are 2 or less apart use part BBDUAL If a Tall unit is installed next to a Base unit and...

Страница 12: ...Installation Information Integrated 700 3 BASE Series 2 4 3758424 Revision B December 2005 ...

Страница 13: ...Electronic Control System Integrated 700 3 BASE Series 3 1 3758424 Revision B December 2005 SECTION 3 ELECTRONIC CONTROL SYSTEM INFORMATION ...

Страница 14: ...ed between glass in the display of the control panel assembly The molecules of this semi liquid substance have no specific orientation However when electricity is applied to them they react predictably aligning and straightening in such a way as to control light passage Indicators The words numbers and icons that appear on the display of the control panel assembly through the use of LCD s Error Co...

Страница 15: ...E RED PURPLE 60 CYCLES BLACK L1 GRAY NEUTRAL WHITE OPTIONAL ICEMAKER TAN FRZ BOTTOM DRAWER LIGHT ICEMAKER VALVE FILL TUBE HEATER 2800 3500 OHMS STARTING FRZ FAN MOTOR TERMINATOR DEFROST CONDENSER FAN DEFROST HEATER 1700 2100 OHMS 25 29 OHMS DRAIN HEATER RELAY REF FAN MOTOR PROTECTOR OVERLOAD COMPRESSOR COMPRESSOR CAPACITOR RUNNING WHITE HIGH VOLTAGE SCHEMATIC 115 VOLTS THERMISTOR LOWER DRAWER FREE...

Страница 16: ...GERATOR FAN NOT USED FRZ DRAWER LIGHT SENSE REF DRAWER LIGHT SENSE DEFROST SENSOR NOT USED BAFFLE NEUTRAL BAFFLE OPEN BAFFLE CLOSE EVAPORATOR LOW VOLTAGE THERMISTOR CIRCUITS ICE MAKER ICE MAKER VALVE SENSOR NEUTRAL CIRCUIT J2 2 J2 3 J2 4 J3 6 J3 7 J2 1 J3 4 J3 2 J3 3 J3 5 FAN 2 ICE COMPRESSOR L1 DEFROST LN FAN 1 P4 P1 P3 P2 J3 1 J5 8 J6 1 J6 2 J6 3 J5 1 2 J5 3 4 J5 5 6 J5 7 COLOR FUNCTION MAIN CON...

Страница 17: ...NT KEYS REFRIGERATOR SET POINT ADJUSTMENT KEYS LCD Liquid Crystal Display DRAWER AJAR ALARM ON OFF KEY UNIT ON OFF KEY ICE ON OFF KEY UNIT REFRIGERATOR ON OFF ON OFF WARMER COLDER OFF SERVICE Figure 3 5 700BR 3 Control Panel Layout REFRIGERATOR SET POINT ADJUSTMENT KEYS LCD Liquid Crystal Display DRAWER AJAR ALARM ON OFF KEY UNIT ON OFF KEY UNIT ICE ON OFF ON OFF ON OFF FREEZER WARMER COLDER OFF S...

Страница 18: ... LCD energizing NOTE Whenever the unit is switched OFF using the UNIT ON OFF key a trace of the word OFF will be visible on the LCD as long as power is supplied to the unit This differs in Sabbath Mode which will be covered later Adjusting Set Point Temperature Adjustments To adjust set points press WARMER or COLDER keys on control panel in multiple key strokes until the desired set point is achie...

Страница 19: ...m OFF then back ON Figure 3 9 Icemaker System ON OFF Press ICE ON OFF Key UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER ICE Ice system is active if ICE is displayed Drawer Ajar Alarm ON OFF All units are equipped with a drawer ajar alarm feature When activated the alarm will alert a customer if a drawer is stuck open or accidentally left open To enable the drawer a...

Страница 20: ... Drawer must be closed If not closed unit will enter Model Configuration Mode NOTE Temperature Units Selection Mode will end 10 seconds after the last key stroke UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER Figure 3 11 Converting Temperature Units of Measure within first minute after switching unit ON Press and Hold the Bell ON OFF Key and UNIT ON OFF Key for 5 Se...

Страница 21: ...bserved in the left temperature display area during Diagnostic Mode the unit is in Showroom mode Initiating Diagnostic Mode is covered later in this section UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER Figure 3 15 After Unit is Switched OFF Press and Hold the WARMER and COLDER Keys Then Press the UNIT ON OFF Key Figure 3 14 To Enter or Exit Showroom Mode Switch Un...

Страница 22: ...ematic High Voltage of Lighting System REF TOP DRAWER LIGHT YELLOW REF LIGHT SWITCH ORANGE W BLACK STRIPE FRZ LIGHT SWITCH ORANGE 60 CYCLES BLACK L1 NEUTRAL WHITE FRZ BOTTOM DRAWER LIGHT WHITE HIGH VOLTAGE SCHEMATIC 115 VOLTS MAIN BOARD PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 WHITE ORANGE ORANGE W BLACK STRIPE ORANGE J5 J3 J4 J6 P2 J2 P1 P3 P4 M M M M 1 115 Volts are supplied to lighting system unless unit ...

Страница 23: ... energized after the dwell time and the evaporator fan will be energized 3 minutes later SER VICE will flash and Error Code 08 will be logged NOTE When in Sabbath Mode the freezer compartment thermistor still con trols compressor operation except there is a random 15 to 25 second delay before the compres sor is energized Figure 3 19 700BCI 3 Signal Trace Regulate Freezer Zone REF TOP DRAWER LIGHT ...

Страница 24: ...tuates the LCD dis plays average tem perature NOTE If compart ment temperature exceeds either high or low offset Ex drawer is left open temperature display will change by one degree per minute NOTE If refrigerator compartment thermis tor is faulty compart ment fan defaults to 20 minutes ON 40 minutes OFF cycling EE appears in right of LCD SERVICE will flash and Error Code 05 will be logged NOTE Wh...

Страница 25: ...ze until zone air temperature exceeds high offset by 5 F 3 C SER VICE flashes and Error Code 06 is logged NOTE When in Sabbath Mode the refrigerator compart ment thermistor still controls compressor operation except there is a random 15 to 25 second delay before the compres sor is energized Figure 3 21 700BR 3 Signal Trace Regulate Refrigerator Zone M M M J3 P4 P3 P1 P2 UPPER DRAWER LIGHT YELLOW U...

Страница 26: ...minute dwell the drain tube heater and fill tube heater are switched off then the compressor and condenser fan are energized but the evaporator fan will not be energized until the evaporator temperature falls below 35 F 2 C NOTE The minimum defrost interval is 6 hours of compressor run time the maximum defrost interval is 42 hours of compressor run time the maximum defrost duration is 25 minutes p...

Страница 27: ...d NOTE When in Sabbath Mode the refrigerator compart ment thermistor still controls compressor operation except there is a random 15 to 25 second delay before the compres sor is energized Figure 3 21 700BR 3 Signal Trace Regulate Refrigerator Zone M M M J3 P4 P3 P1 P2 UPPER DRAWER LIGHT YELLOW UPPER LIGHT SWITCH ORANGE W BLACK STRIPE LOWER LIGHT SWITCH ORANGE PURPLE BLACK LOWER DRAWER LIGHT STARTI...

Страница 28: ...5 seconds Failure to clear an error code will cause SERVICE to display constant NOTE If the unit is ever switched OFF then back ON the compressor will not energize for at least 3 minutes This 3 minute minimum OFF time is used to protect the compressor and its electricals Figure 3 23 Service Flashing if several 100 compressor run periods occurred a drawer was not opened during last excessive run pe...

Страница 29: ...eeze fully and reduce effects of low water pressure power to the icemaker system is inter rupted for 45 minutes after each ice harvest This can be bypassed for service purposes by switching the icemaker system OFF then back ON by pressing the ICE ON OFF key NOTE When in Sabbath Mode icemaker system is disabled Sabbath Mode will be covered later Figure 3 25 ICE SERVICE Flashing if solenoid energize...

Страница 30: ... REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER SERVICE UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER SERVICE UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER SERVICE Figure 3 30 ICE and SERVICE Flashing Solenoid Energized 15 Seconds Every 24 Hours 5 Consecutive Times UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WA...

Страница 31: ... to the next thermistor location See Figures 3 34 3 35 while pressing either WARMER key while in Diagnostic Mode will toggle backward to the pre vious thermistor location NOTE If the COLDER and UNIT ON OFF keys are pressed and held for 10 seconds Manual Component Activation Mode will be initiated this is covered later in the section NOTE Diagnostic Mode will end 20 seconds after the last key strok...

Страница 32: ...Error Codes on next page UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER OFF SERVICE ICE Figure 3 38 EC Observed While in Diagnostic Mode Error Code See table below how to clear Error Codes on next Page 700BCI 3 Error Code Table CODE INDICATION 05 Refrig cabinet thermistor read open or shorted for 10 seconds or repeatedly read erratic temp s 07 Freezer cabinet thermi...

Страница 33: ...an to check for proper voltage readings at activated components without having to wait for the zone to call for cooling To initiate Manual Component Activation Mode the unit must be ON then press and hold the desired COLDER key and the UNIT ON OFF key for 10 seconds See Figure 3 41 All cooling functions for that zone will begin and the zone compartment temperature will be displayed in the left dis...

Страница 34: ...Compartment Temperature History Only Begin with the unit ON Now press and hold the desired compartment WARMER key then press the UNIT ON OFF key then release both keys See Figure 3 42 The left display area on the LCD will show average compartment thermistor tempera ture and in the right display area will be the index number The first index number will be 1 indicating the most recent two hour tempe...

Страница 35: ...and hold the UNIT ON OFF key first then the WARMER key then release both keys See Figure 3 48 The left display area on the LCD will show average thermistor temperature and in the right display area will be the index number 1 indicating the most recent two hour temperature average The right display area will also flash the thermistor location code at 3 second intervals See Figure 3 49 UNIT ICE REFR...

Страница 36: ...d OFF by pressing the UNIT ON OFF key during any of the 168 indexes and there was still power supplied to the control board the average temperatures will continue to be logged This means tem peratures would be expected to rise and the SERVICE icon would be present in all indexes in which the unit was OFF NOTE Temperature Log Recall Mode will end 20 seconds after the last key stroke Temperature Log...

Страница 37: ...99 198 Hrs 100 200 Hrs 101 202 Hrs 102 204 Hrs 103 206 Hrs 104 208 Hrs 105 210 Hrs 106 202 Hrs 107 214 Hrs 108 216 Hrs 9 Days 109 218 Hrs 110 220 Hrs 111 222 Hrs 112 224 Hrs 113 226 Hrs 114 228 Hrs 115 230 Hrs 116 232 Hrs 117 234 Hrs 118 236 Hrs 119 238 hrs 120 240 Hrs 10 Days 121 242 Hrs 122 244 Hrs 123 246 Hrs 124 248 Hrs 125 250 Hrs 126 252 Hrs Index Hours Past 127 254 Hrs 128 256 Hrs 129 258 H...

Страница 38: ...e open the bottom drawer then toggle through the model codes by pressing WARMER or COLDER keys until appro priate model code is displayed See Figure 3 56 and 3 57 and Model Code Table below With appropriate model code displayed press UNIT ON OFF key to store model configuration See Figure 3 58 MODEL CODE TABLE CODE MODEL br 700BR 3 bC 700BCI 3 27 427R 2 bF 700BFI 2 Figure 3 55 Double Dashes when N...

Страница 39: ... model codes by pressing WARMER or COLDER keys until appropriate model code is displayed See Figure 3 61 and 3 62 With appropriate model code displayed press UNIT ON OFF key to store model configuration See Figure 3 63 Figure 3 60 Press Alarm and UNIT ON OFF key to Initiate Manual Entry Model Configuration Mode UNIT ICE REFRIGERATOR ON OFF ON OFF ON OFF WARMER COLDER FREEZER WARMER COLDER Figure 3...

Страница 40: ...Electronic Control System Integrated 700 3 BASE Series 3 28 3758424 Revision B December 2005 ...

Страница 41: ...Sealed System Information Integrated 700 3 BASE Series 4 1 3758424 Revision B December 2005 SECTION 4 SEALED SYSTEM INFORMATION ...

Страница 42: ...one lubricants cleaning compounds rust inhibitors leak detection dyes or any other type of additive General Rules for Working with 134a Refrigerant Use equipment dedicated to 134a sealed system service only Use only 134a refrigerant for back flushing and sweep charging Always replace the filter drier when servicing the sealed system The filter drier must be cut from the sealed system Never un braz...

Страница 43: ...refrigerant b Repair leak if at solder joint or replace part c Back flush high side of sealed system d Replace compressor e Replace filter drier f Replace heat exchanger if cap tube is clogged g Install a low side drier on suction line h Evacuate or sweep charge sealed system i Recharge with Virgin 134a refrigerant a Capture refrigerant b Locate and remove restriction or locate and replace part c ...

Страница 44: ...gas to the con denser Condenser Figure 4 2 The high pressure high heat gas travels through the con denser where the heat is dissi pated by cooler air being drawn over the condenser tubing by the condenser fan This changes the gas into a high pressure warm liquid that is then routed through the door gasket seat heater loop to pre vent sweating After traveling through the heater loop the high pressu...

Страница 45: ... the larger diameter evaporator tubing from the smaller diameter capillary tub ing This vapor travels through the evaporator absorbing heat from the compartment gradual ly converting it to a cool gas This cool gas then enters the suction line Suction Line Heat Exchanger Figure 4 6 The cool gas travels through the suction line which is sol dered to the capillary tube As mentioned earlier these two ...

Страница 46: ...05 SEALED SYSTEM REFRIGERANT FLOW DIAGRAM Figure 4 1 Model 700BC I 2 Refrigerant Flow Figure 4 2 Model 700BR 2 Refrigerant Flow Compressor Evaporator Heater Loop Heat Exchanger Condenser High Side Filter Drier Compressor Evaporator Heater Loop Heat Exchanger Condenser High Side Filter Drier ...

Страница 47: ...ystem Information Integrated 700 3 BASE Series 4 7 3758424 Revision B December 2005 Figure 4 3 Model 700BF I 2 Refrigerant Flow Compressor Evaporator Heater Loop Heat Exchanger Condenser High Side Filter Drier ...

Страница 48: ...Sealed System Information Integrated 700 3 BASE Series 4 8 3758424 Revision B December 2005 ...

Страница 49: ...Airflow Fan Blade Spacing Integrated 700 3 BASE Series 5 1 3758424 Revision B December 2005 SECTION 5 AIRFLOW FAN BLADE SPACING ...

Страница 50: ...UB TO FAN BRACKET SPACING 13 16 1 16 20 64 mm 1 59 mm Blade Bracket Clamp Forward REFRIGERATOR COMPARTMENT FAN BLADE HUB TO FAN BRACKET SPACING NOTE Refrigerator Fan blade spacing with production motor is same as service motor shown above but measurement is from fan blade hub to fan motor face Figure 5 2 700BR 3 Airflow and Fan Blade Spacing REFRIGERATOR EVAPERATOR FAN BLADE HUB TO FAN BRACKET SPA...

Страница 51: ...cing Integrated 700 3 BASE Series 5 3 3758424 Revision B December 2005 Figure 5 3 700BF I 3 Airflow and Fan Blade Spacing 11 16 1 16 17 46 mm 1 59 mm Blade Bracket Clamp Back EVAPORATOR FAN BLADE HUB TO FAN BRACKET SPACING ...

Страница 52: ...Airflow Fan Blade Spacing Integrated 700 3 BASE Series 5 4 3758424 Revision B December 2005 ...

Страница 53: ...Icemaker Information Integrated 700 3 BASE Series 6 1 3758424 Revision B December 2005 SECTION 6 ICEMAKER INFORMATION ...

Страница 54: ...Operation When the icemaker thermostat has sensed temperatures of 17 F the thermostat closes At this time the current now has a path through the thermostat to the motor The motor is linked with the drive gear From the module there are copper contacts that ride on copper strips on the backside of the drive gear See Figure 6 1 As the drive gear rotates these contacts from the module will make or bre...

Страница 55: ...ectronic control system disables the icemaker system for 45 minutes after each ice harvest To bypass the 45 minute dwell press the ICE key to switch the ice making system OFF then press the ICE key again to cycle the ice making system back ON NOTE 3 The ice bucket activates a switch when in place If the ice bucket is not in proper position ice production will stop NOTE 4 The icemaker shut off arm ...

Страница 56: ...eater should heat up If not see test 5 below 4 Remove the jumper test wire when the ejector blades reach the 8 00 o clock position The water valve should energize for 7 5 seconds when the ejector blades rotate to approximately 11 00 o clock If not repeat test 2 through 4 and check for power to solenoid when ejector blades rotate to approximately 11 00 o clock If no volt age check electrical connec...

Страница 57: ...mbly Removal To remove the mold heater assembly first remove the cover and the shut off arm Insert a Phillips head screwdriver into the access holes and extract the screws Then pull the mold heater assembly from the support See Figure 6 5 Ejector Blades and or Ice Stripper Removal To remove the ejector blades and or ice stripper first remove the cover and the shut off arm and disconnect the mold h...

Страница 58: ...Icemaker Information Integrated 700 3 BASE Series 6 6 3758424 Revision B December 2005 ...

Страница 59: ...Component Access Removal Integrated 700 3 BASE Series 7 1 3758424 Revision B December 2005 SECTION 7 COMPONENT ACCESS AND REMOVAL ...

Страница 60: ... component removal procedure listed earlier in this section NOTE Before continuing please take note of the WARNINGS and CAUTIONS below IF IT IS NECESSARY TO REMOVE A UNIT FROM ITS INSTALLATION REMEMBER THAT THE UNIT COULD TIP FORWARD WHEN PULLED FORWARD BEYOND THE ANTI TIP COMPONENTS RESULTING IN SERIOUS INJURY OR DEATH PULLING A UNIT FROM ITS INSTALLATION SHOULD ONLY BE PER FORMED BY AN AUTHORIZE...

Страница 61: ...7 2 Figure 7 1 Kickplate Grille Removal Kickplate Grille Figure 7 2 Drawer Assembly Removal Hole in Channel Pin Drawer Slide Drawer Assembly Figure 7 3 Disconnecting Control Cable Turn collar counterclockwise to disconnect Top drawer has a display wire harness that must be disconnected during top drawer removal Failure to disconnect wire harness could damage wiring or connections See top drawer as...

Страница 62: ...ntil face frame edge of molding is accessible 2 Place another straight blade screwdriver under face frame edge and gently work molding away from face frame and out of the two unit to cabinet brackets Drawer Gasket Removal All Base Units An extruded dart at the back of the drawer gaskets is pressed into retaining channels that are molded into drawer liners NOTE Drawer assemblies must be removed fro...

Страница 63: ...l panel assembly To remove the display wire harness the upper drawer assembly must be extracted and the control panel must be removed first then See Figure 7 7 1 Extract screw and cable clamp from top of drawer assembly 2 Remove cable clamps and snap rivets from bottom of the drawer assembly by pushing rivet s center push pin down 3 Pull wire harness down through channel in drawer front See Figure...

Страница 64: ... 1 Remove display wire harness from wire clip 2 Lift right side of wire tray up then pull it to the right and out of the compartment NOTE On the model 700BF 3 the screw under the tray that supports the back right corner may need to be loosened prior to step 2 above Drawer Closer Assembly Removal All Base Units Drawer closer assemblies are located on the right side wall Two screws secure each assem...

Страница 65: ...h the refrigerator fan shroud and baffle into screw grommet stand offs and a grounding bracket to secure the shroud and baffle to back wall Refrigerator Fan Baffle Removal See Figure 7 13 1 Extracting the two mounting screws 2 Pull baffle forward Refrigerator Fan shroud Removal See Figure 7 13 1 Extracting all mounting screws 2 Remove nut from display wire harness Methode connector and pull shroud...

Страница 66: ...nly The refrigerator fan motor is held to a bracket with screws passing through the motor into screw grommets that are attached to the bracket The bracket sits behind the motor and is attached to the back wall with screws To remove a refrigerator fan motor See Figure 7 16 1 Disconnect motor electrical leads 2 Extract screw and tube clamp holding motor electri cal leads 3 Extract fan bracket mounti...

Страница 67: ...al 700BR 3 Only The refrigerator light switches are inserted into square holes in the right false wall To remove a refrigerator light switch See Figure 7 18 1 Extract the right false wall mounting screws and pull the false wall forward 2 Disconnect switch electrical leads 3 At back side of false wall depress tabs on each side of switch while pushing switch out Refrigerator Evaporator Thermistor Re...

Страница 68: ...n place To remove the icemaker assembly See Figure 7 20 1 Extract bottom icemaker mounting screw 2 Extract two top icemaker mounting screws 3 Lower assembly down and disconnect wire harness from head of icemaker then pull icemaker assem bly out Sump Cover Removal 700BC I 3 700BFI 3 Only The sump cover assembly is held in place with three screws at front that secure it to the floor of the unit At t...

Страница 69: ...ve the air baffle control asembly See Figure 7 22 1 Remove lower air duct 2 Unplug the wire leads from the baffle control 3 Pull air baffle control assembly off of screw grom met stand offs Freezer Compartment Thermistor Removal 700BC I 3 Only The freezer compartment thermistor is secured to the back wall with a screw To remove the freezer compartment thermistor the lower air duct will need to be ...

Страница 70: ...duct to the left then forward 2 Disconnect switch electrical leads 3 At back side of duct depress tabs on each side of switch while pushing switch out Freezer Compartment Thermistor Removal 700BF I 3 Only The freezer compartment thermistor passes through a hole in the left air duct from behind and is attached to the left wall of the compartment with a screw To remove the freezer compartment thermi...

Страница 71: ...ea NOTE When reinstalling defrost terminator it must be attached to the the same elbow sixth down it was removed from Failure to do so could cause shortened defrost times which will lead to incomplete defrost Defrost Heater Removal 700BC I 3 700BF I 3 Only The defrost heater is pressed into evaporator fins at front Heater clips then hook from one evaporator tube to another over heater To remove th...

Страница 72: ... board assembly See Figure 7 28 1 First remove rear duct s 2 Unplug all electrical leads from the control board assembly and lift the assembly from the sump Evaporator Fan Assembly Removal 700BC I 3 700BFI 3 Only The side flanges of the evaporator fan assembly slide down into grooves in the fan shroud The bottom of the evaporator fan assembly sits on a flange at the bottom of the fan shroud See Fi...

Страница 73: ...e the main control board the kickplate grill will need to be removed first Now extract the two screws that secure the unit tray to the unit and slide the tray out See Figure 7 31 then See Figure 7 32 1 Extract screws from control housing cover 2 Disconnect all electrical lads from main control board 3 Extract screws which are holding control baord in control housing and lift control board out of h...

Страница 74: ...e 7 33 then See Figures 7 34 and 7 35 1 With a wrench disconnect brass compression fitting which holds water supply line to water inlet stub 2 With a Phillips screwdriver loosen screw that secures valve assembly to valve bracket 3 Grab water inlet stub and lift up so head of screw lines up with large section of key hole slot 4 Pull valve assembly forward until screw clears key hole slot then lower...

Страница 75: ...be removed first Then extract the two screws that secure the unit tray to the unit and slide the tray out See Figure 7 36 then See Figure 7 37 1 Disconnect inlet water tube from the valve inlet by pushing collar around tube toward valve while pulling inlet water tube away from valve 2 With a Phillips screwdriver remove screws from valve bracket 3 Lower valve and pull forward 4 Unplug valve electri...

Страница 76: ...ide the tray out See Figure 7 38 NOTE It may be necessary to disconnect compressor electrical leads in order to pull tray out far enough to access condenser fan assembly Condenser Fan Assembly Removal See Figure 7 39 1 Disconnect condenser fan motor electrical leads 2 Extract the screws at top of fan shroud and lift shroud and motor up off pegs at the bottom Condenser Fan Motor Removal See Figure ...

Страница 77: ... 41 NOTE It may be necessary to disconnect the com pressor electrical leads in order to pull the tray out far enough to access the drain tube heater Unplug the drain tube heater electrical leads and pull the heater from the drain tube See Figure 7 42 NOTE When installing the replacement drain tube heater push the braided heater leads into the sump drain tube until splices are 2 1 2 from drain tube...

Страница 78: ...bracket or con denser outlet tube 2 With the edge of a file score a line around capillary tube approximately one inch 25 mm from filter drier outlet 3 Fatigue capillary tube at line just scored until it sep arates 4 With a tube cutter cut inlet tube approximately one inch 25 mm from filter drier NOTE Sweating the joints apart is not recommended as this may induce moisture into the sealed system an...

Страница 79: ...first Then extract the two screws that secure the unit tray to the unit and slide the tray out See Figure 7 46 then See Figures 7 48 and 7 48 1 Use a flat blade screwdriver to remove compressor electrical cover 2 Disconnect electrical leads from compressor 3 Cut compressor inlet and outlet tubing with a tube cutter approximately one inch 25 mm from com pressor ports 4 Extract nuts and washers from...

Страница 80: ...ect the compres sor electrical leads in order to pull the tray out far enough to remove the condenser To Remove the condenser See Figure 7 50 1 Cut condenser inlet and outlet tubes to and from the condenser approximately one inch 25 mm from weld joints 2 Prop front of unit tray up 3 Drill out rivets securing condenser to tray NOTE Sweating the joints apart is not recommended as this may induce moi...

Страница 81: ...sembly See Figures 7 51 7 52 and 7 53 1 Since evaporator heat exchanger assembly being removed will be scrapped use a tin snips or similar tool to cut heat exchanger near hole in sump 2 Disconnect all electrical leads of components attached to evaporator and lift evaporator from sump NOTE There may be a Y harness between the ther mistor electrical connections with wires exiting through the heat ex...

Страница 82: ...tube 1 25 mm or less from evaporator inlet then fatigue cap illary tube at this line until it separates 4 With a tube cutter cut evaporator outlet 1 25 mm or less from suction line connection point NOTE It is not recommended to sweat tubing apart Doing so will induce moisture into the sealed system NOTE After capillary tube is fatigue until it separates check tubing for internal burrs If burrs exi...

Страница 83: ...Troubleshooting Guides Integrated 700 3 BASE Series 8 1 3758424 Revision B December 2005 SECTION 8 TROUBLESHOOTING GUIDES ...

Страница 84: ...shooting guide lists the error codes The information in the right column explains what tests to perform and or what action to take to correct the error NOTE If error codes are observed in diagnostic mode a non flashing SERVICE annunciator will appear on the LCD when Diagnostic Mode ends indicating error codes are still stored Error Codes must be cleared from the elec tronic control memory manually...

Страница 85: ...ical connections and continuity from thermistor to J5 on control board Reconnect repair 2 Resistance of thermistor 30 000 to 33 000 ohms at 32 F Replace if defective B If EE for freezer compartment was NOT displayed problem is intermittent thermistor error or caused by over heat ing above 116 F check the following 1 Door not closing properly Correct door closing problem 2 Fan switch light switch w...

Страница 86: ... Check for electrical short of Blue wire to another circuit Repair Blue wire or electrical connections 5 Check operation of defrost terminator Cut in 30 F Cut out 70 F Replace if defective A With cold evap 10 F initiate Manual Defrost If compressor starts 5 minutes 10 minutes in 700TF I 2V after defrost is initiated check Grey White wire and continuity from defrost heater to J2 3 on control board ...

Страница 87: ...ce defective switch 2 Check for 115 V AC form J3 1 to evaporator fan motor Repair wiring Replace defective motor 3 Check for 115 V AC form P1 to compressor Repair wiring if defective I Check sealed system for leaks restrictions or inefficient compressor A If Error Code 07 20 21 22 23 24 or 40 is also displayed during Diagnostic Mode see Test Actions under that code B Check for obstructions to refr...

Страница 88: ... temperature readings by pressing either COLDER key or either WARMER key See Thermistor Location Code Tables below 4 If Error Codes are present refer to Error Code Troubleshooting Guide on previous pages 5 If no Error Codes initiate Manual Component Activation Mode which lasts for 5 minutes by pressing and hold ing freezer COLDER and UNIT ON OFF keys for 10 seconds then observe evaporator temperat...

Страница 89: ...r Flashing 8 9 H Product Temperature 10 or More Colder than Displayed Temperature 8 11 I 1 Extremely Cold Temperatures Displayed 8 11 1 to 7 in Refrigerator 21 to 15 in Freezer 2 If outside US Extremely Warm Temperatures Displayed 34 to 45 in Refrigerator 5 to 5 in Freezer J ICE and SERVICE Flashing 8 11 K No Ice ICE Displayed but not Flashing 8 11 L No Ice and ICE not Displayed 8 12 M Icemaker pr...

Страница 90: ...tment thermistor for 30 000 to 33 000 ohms at 32 F Replace if defective Check refrigerator compartment thermistor electrical connections from thermistor to control board Reconnect repair connec tions Check resistance of refrigerator com partment thermistor for 30 000 to 33 000 ohms at 32 F Replace if defective Initiate Diagnostic Mode and see Error Code Troubleshooting Guide Check evaporator therm...

Страница 91: ...onnections c With light switches depressed check for 115V AC from control board to fan motor Replace control board if defective or Replace motor if defective Check refrigerator evaporator thermistor electrical connections from thermistor to control board Reconnect repair connec tions Check resistance of refrigerator evap orator thermistor for 30 000 to 33 000 ohms at 32 F Replace if defective a Ma...

Страница 92: ...c Condenser fan motor disconnected d Condenser fan motor defective Faulty Light Switch Evaporator Fan Fault a Fan blade obstructed or out of position b Evaporator fan motor disconnected c Power to Fan Fault or Fan Motor Defective NOTE Compressor must be running Compartment Thermistor Misread Check power to unit plug unit in or switch supply circuit breaker ON Check for OFF displayed at LCD If off ...

Страница 93: ...al pulldown from ambient temperatures Evaporator Heavily Frosted a Drawer ajar b Evaporator fan fault c Compartment thermistor misread d Defrost heater disconnected or faulty e Defrost terminator disconnected or faulty f Defrost sense line disconnected g No power from control board to defrost circuit Power to Compressor Fault Sealed System Fault Sealed System Leak Sealed System Restriction Ineffic...

Страница 94: ... Bell key and UNIT ON OFF key for 10 seconds 2 If Outside US Change temperature units of measure to Celsius Switch unit OFF then ON then press hold Bell key and UNIT ON OFF key for 10 seconds Check icemaker for jammed ice cube clear jam if present Check icemaker levelness level if needed Check position of fill cup Reposition if in ice path Check water supply pressure must be con stant 20 100 PSI I...

Страница 95: ...elow 1 If icemaker motor starts and finishes cycle a Check for 115V at valve during fill mode If no 115V inspect connections at icemaker and valve Repair or replace connection b Check for 115V from icemaker during fill mode If no power replace icemaker 2 If icemaker motor starts but does not finish cycle c Replace icemaker 3 If icemaker motor does NOT start d Check for 115V to icemaker If no power...

Страница 96: ...20 100 PSI If not instruct customer Check water valve operation opens when 115V AC is applied closes completely when 115V AC is removed Water valve Ohms 160 Replace if defective NOTE Unit must be switched OFF then ON to clear flashing ICE SERVICE then press alarm key for 15 seconds to clear error codes See PROBLEM A B D E F G earlier in Troubleshooting Guide Exit Sabbath Mode press UNIT ON OFF key...

Страница 97: ...eration of light switches lights off when switch is depressed Replace switch if defective NOTE Two light switches in unit Move obstruction Trip drawer closer forward The drawers are non adjustable Instead the drawer panels must be adjusted if there is an alignment problem Refer to the Installation Manual and or installation video for panel installation and adjustment Check levelness of unit If un ...

Страница 98: ...o tap the sealed system If need ed the table on the following page provides a quick reference for temperature pressure correlation NOTE If entering the sealed system to check pressures always use solder on process valves Do NOT use bolt on process valves as they are prone to leak NOTE Whenever servicing the sealed system the high side filter drier must be replaced NORMAL OPERATING PRESSURES PRESSU...

Страница 99: ...e pres sure correlation may differ from those listed due to variations in evaporator thermistor location set points where the sealed system is in the refrigeration cycle etc If a unit is experiencing temperature problems it is recommended to reference the General Troubleshooting guide and follow any Pointers that may appear in the first column After all mechanical and electrical components have be...

Страница 100: ...ing while pushing Freezer WARMER key If there is continuity then pin 1 is at that end 700BCI 3 Membrane Switch Ribbon Cable Test Procedure 1 Press no keys on membrane switch Check for continuity between all pin combinations With no keys pressed there should be no continuity between any pins 2 Press UNIT ON OFF key there should be continuity across pins 3 4 3 Press Door Ajar Alarm ON OFF key there ...

Страница 101: ...Technical Data Integrated 700 3 BASE Series 9 1 3758424 Revision B December 2005 SECTION 9 TECHNICAL DATA ...

Страница 102: ...essor BTU H DEFROST METHOD DEFROST TERMINATOR Cut In Temp Cut Out Temp DEFROST HEATER Watts Amps Resistance Ohms DRAIN TUBE HEATER Watts Amps Resistance Ohms FILL TUBE HEATER Watts Amps Resistance Ohms WATER VALVE Watts Amps Resistance Ohms Inductive THERMISTORS Evap Compartment Resistance Ohms at 32 F 0 C 6 oz 3 vacuum to 2 psi 90 psi to 120 psi 4201860 Embraco FGS70 A 1 2 1 2 710 715 Adaptive De...

Страница 103: ...e COMPRESSOR NOTE Always check current parts price list for possible substitutions Service Part No Manufacturer Mfg Model No Original Service Compressor Amps Original Service Compressor BTU H DEFROST METHOD THERMISTORS Evap Compartment Resistance Ohms at 32 F 0 C 3 75 oz X vacuum to X psi XX psi to XXX psi 4201880 Embraco EMT30HSC 06 1 2 310 280 Fan Assisted Off Cycle Defrost Evap 38 F before Comp...

Страница 104: ...or BTU H DEFROST METHOD DEFROST TERMINATOR Cut In Temp Cut Out Temp DEFROST HEATER Watts Amps Resistance Ohms DRAIN TUBE HEATER Watts Mili Amps Resistance Ohms FILL TUBE HEATER Watts Amps Resistance Ohms WATER VALVE Watts Amps Resistance Ohms Inductive THERMISTORS Evap Compartment Resistance Ohms at 32 F 0 C 6 oz 3 vacuum to 2 psi 90 psi to 120 psi 4201860 Embraco FGS70HA 1 2 1 2 710 715 Adaptive ...

Страница 105: ...Wire Diagrams Schematics Integrated 700 3 BASE Series 10 1 3758424 Revision B December 2005 SECTION 10 WIRING DIAGRAMS AND SCHEMATICS ...

Страница 106: ...GE BLACK BLUE RED BLUE BLACK YELLOW BLACK YELLOW WHITE PINK SENSES REFRIGERATOR CABINET TEMPERATURE POWER IN 120 VOLT CIRCUITS COMPRESSOR DESCRIPTION NOT USED DEFROST HEATER EVAPORATOR FAN NOT USED REFRIGERATOR FAN NOT USED FRZ DRAWER LIGHT SENSE REF DRAWER LIGHT SENSE DEFROST SENSOR NOT USED BAFFLE NEUTRAL BAFFLE OPEN BAFFLE CLOSE EVAPORATOR LOW VOLTAGE THERMISTOR CIRCUITS ICE MAKER ICE MAKER VAL...

Страница 107: ...LE LOW VOLTAGE SCHEMATIC BLUE W YELLOW STRIPE BLUE W BLACK STRIPE BLUE W BLACK STRIPE BLUE W YELLOW STRIPE BLUE W RED STRIPE ORANGE W RED STRIPE MAIN BOARD YELLOW W BLACK STRIPE YELLOW W RED STRIPE YELLOW W WHITE GRAY W WHITE STRIPE 3757971 REV A PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 BLUE ORANGE WHITE BLACK YELLOW RED MAIN BOARD PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 MEMBRANE KEYPAD WHITE BLUE GRAY W W...

Страница 108: ... wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock WIRING DIAGRAM MODEL 700 BC BCI 3 Starting with Serial 2300444 120 VOLT CIRCUITS DESCRIPTION LOW VOLTAGE THERM...

Страница 109: ...STRIPE BLUE W RED STRIPE ORANGE W RED STRIPE MAIN BOARD YELLOW W RED STRIPE YELLOW W WHITE STRIPE YELLOW W BLACK STRIPE GRAY W WHITE STRIPE P N 3758462 REV A PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 BLUE ORANGE WHITE BLACK YELLOW RED MAIN BOARD PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 MEMBRANE KEYPAD WHITE BLUE GRAY W WHITE STRIPE TAN TAN ORANGE ORANGE W BLACK STRIPE ORANGE GRAY W WHITE STRIPE WHEN USED J3 ...

Страница 110: ...rsonnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock GROUND FOR DISPLAY BOARD POWER SUPPLY 12VDC POWER SUPPLY FOR DISPLAY BOARD GROUND FOR DISPLAY BOARD POWER SUPPLY SERIAL DATE TRANSMIT SERIAL DATA RECEIVE 12VDC POWER SUPPLY ...

Страница 111: ...PPER DRAWER REFRIGERATOR DISPLAY BOARD BLUE W BLACK STRIPE BLUE W BLACK STRIPE BLUE W YELLOW STRIPE ORANGE W YELLOW STRIPE MAIN BOARD PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 BLUE ORANGE WHITE BLACK YELLOW RED MEMBRANE KEYPAD J5 J6 J4 J2 J3 J2 DISPLAY LOW VOLTAGE SCHEMATIC This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply b...

Страница 112: ...J2 WIRING DIAGRAM MODEL 700 BF BFI 3 This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock CIRCUIT J2 2 J2 3 J2 4 J3 6 J3 7 J2 1 J3 4 J3 2 J3 3 J3 5 ICE COMPRES...

Страница 113: ... RED STRIPE ORANGE W RED STRIPE MAIN BOARD GRAY W WHITE STRIPE PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 BLUE ORANGE WHITE BLACK YELLOW RED MAIN BOARD PIN 1 PIN 1 PIN 1 PIN 1 PIN 1 MEMBRANE KEYPAD WHITE BLUE GRAY W WHITE STRIPE TAN TAN ORANGE ORANGE W BLACK STRIPE ORANGE GRAY W WHITE STRIPE WHEN USED 3758566 REV A J3 J5 P4 P3 P1 P2 J6 J4 J2 J3 J2 DISPLAY J5 J3 J4 J6 P2 J2 P1 P3 P4 M M WIRING SCHEM...

Страница 114: ...Wire Diagrams Schematics Integrated 700 3 BASE Series 10 10 3758424 Revision B December 2005 ...

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