Frigidaire FFHN2750TS Installation guide

Brand: Frigidaire

Model: FFHN2750TS

Type: Installation guide

This manual is also suitable for

SERVICE DATA SHEET

A06686901

FREEZER ICE MAKER - AUTOMATIC DEFROST

BOTTOM FREEZER - R134a

POWER

ICE MAKER

CE MAKER

ICE MAKER

WATER VALVE

LINE

THERMAL

CUT-OUT

HOLD

SWITCH

THERMOSTAT

SHUTOFF

SWITCH

WATER FILL

SWITCH

MOLD HEATER

MOLD

MOUNTING

PLATE

165 WATTS

MOTOR

NEUTRAL

BLK

BLU

YELLOW

BRN

RED

GRN / YEL

RED

LT. BLUE

P-3

P-1

P-2

P-4

ICE MAKER

LT. BLUE

IMPORTANT SAFETY NOTE

The information provided herein is designed to assist qualied repair personnel only. Untrained persons should

not attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing

this appliance.

IMPORTANT

If any green grounding wires are removed during servicing, they must be returned to their original position

and properly secured.

IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION.

PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 37°/0°

CONTROL SETTING

Type A with Run /

Start Capacitor

65°F (18°C) Ambient 90°F (32°C) Ambient

Operating Time 90 to 100% 100%

Freezer Temperature

-5° to 2°F

(-20° to -17°C)

-1° to 3°F

(-18° to -16°C)

Refrigerator Temperature

34° to 39°F

(1° to 4°C)

34° to 39°F

(1° to 4°C)

Low Side Pressure

-2 to 6 psig

(-14 to 41 kPa)

-2 to 6 psig

(-14 to 41 kPa)

High Side Pressure

(last 1/3 cycle)

85 to 105 psig

(586 to 724 kPa)

120 to 135 psig

(827 to 931 kPa)

Wattage (last 1/3 cycle) 30 to 50 50 to 70

Amps (running) .4 to .8 .7 to .9

Base Voltage 115 vac (127 vac max)

DEFROST SPECIFICATIONS

Cabinet Size:

27’ & 28’ SD, 22’ CD

Thermal Cutout Heater Defrost

Heater

Termination

Cut-in Cut-out Watts Ohms Cut-out

110°F

(43.3°C)

135°F

(57.2°C)

500 26.5 48°F

(8°C)

CONDENSER FAN MOTOR

Watts RPM Amps

3.1

1100 CW

Opposite Shaft

0.03 Running

FREEZER ICE MAKER SPECIFICATIONS

Electrical 115 vac (127 vac max)

Thermostat Opens at 48°F ( 9°C), Closes at 15° F ( -9°C)

Heater Voltage 115 vac

CAUTION

All electrical parts and wiring must be shielded from torch ame. DO NOT allow torch to touch

insulation; it will char at 200°F and ash ignite (burn) at 500°F. Excessive heat will distort the

plastic liner.

SYSTEM DIAGNOSTIC MODE

Activate: Press

^ and

FZ v

for up to 10 sec. simultaneously. Press

^ to advance

through tests.

Deactivate: Press

^ for up to 10 sec. Diagnostic Mode will automatically deactivate after 10

min. of inactivity.

Note: Silence alarm.

• Tests marked with “*” may not be applicable to this unit and will not be displayed in System DiagnosticMode.

• Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.

• View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.

• Listen for operating sounds; feel for heat or air ow as appropriate to determine results of tests.

Test To activate test: Passing result

-- First Screen -- Blank UI display, no LEDs illuminated.

-- Second Screen -- All LED lights on UI illuminated.

-- Third Screen -- Blank UI display, no LEDs illuminated.

46 Humidity Sensor Activates

automatically

“OP” if open, “SH” if short. AC Heater System: Displays

%RH. DC Heater System: “HI” - heater should be on. “Lo”

- heater should be off. %RH is displayed when humidity is

between “Lo” and “HI” values; heater could be on or off.

2 Freezer

Defrost Heater

Press power on-off Freezer defrost heater on when “on”; off when “off”. Evapo-

rator thermistor temperature is ashed. Watch for temp

increase with the heater on. It may take a few minutes for

the evaporator to heat up.

12 Condenser Fan Press power on-off Fan running when “on”; stopped when “off”

43 Mullion Anticon-

densation Heater

Press power on-off Flip Mullion Heater on when “on”; off when “off”

38 VCC Compressor Press power on-off Compressor on when “on”; off when “off”

13 FF Lights Press power on-off FF lights on when “on”; off when “off”

15 Freezer

Evaporator Fan

Press power on-off Press to toggle between “off”, “Lo” and “HI”. A current sen-

sor reading is ashed (units are not mA). OFF reading should

be around 2. “Lo” speed reading should settle down to

around 9. “HI” speed reading should settle down above 40.

20 FZ Lights Press power on-off FZ lights on when “on”; off when “off”

22 Damper Press power on-off Perform test 15 and set fan to “HI”. Then, check for air ow

when open “OP,” and no air leaks when closed “CL”.

23 FF Door Open/close FF door “CL” on UI when door closed; “OP” when open

24 FZ Door Open/close FZ door “CL” on UI when door closed; “OP” when open

29 FF Thermistor Activates

automatically

UI shows temperature sensed by FF thermistor; pass if

within 10°F of temperature measured with gauge at FF

thermistor location.

“OP” if open; “SH” if short

30 FZ Thermistor Activates

automatically

UI shows temperature sensed by FZ thermistor; pass if

within 10°F of temperature measured with gauge at FZ

thermistor location.

“OP” if open; “SH” if short

33 Ambient Therm-

istor @ Main

Board

Activates

automatically

UI shows temperature sensed at main board; pass if within

+20°F/-10°F of temperature measured with gauge at main

board location.

“OP” if open; “SH” if short

34 Ambient Therm-

istor @ UI

Activates

automatically

UI shows temperature sensed at UI; pass if within +20°F/-

10°F of temperature measured with gauge at UI location.

“OP” if open; “SH” if short

39 Freezer

Evaporator

Thermistor

Activates

automatically

UI shows temperature sensed by freezer evaporator thermis-

tor; pass if within 10°F of temperature measured with gauge

at evaporator thermistor location. “OP” if open; “SH” if short

0- Firmware

Parameters

Press power on-off Displays digit sequence; record

1- Main Board

Firmware

Press power on-off Displays digit sequence; record

3- UI Firmware Press power on-off Displays digit sequence; record

ERROR CODES SPECIAL MODES

Display Interpretation Mode Display Activate Deactivate

FZ FF FZ FF (Press for up to 10 sec. simultaneously)

-- OP Open FF

Cavity Thermistor

Manual Defrost d F FF

and FF v Same to

deactivate

OP -- Open FZ

Cavity Thermistor

Demo /

Showroom

77 77 FZ

and FF v Unplug to

deactivate

-- SH Shorted FZ

Cavity Thermistor

Sabbath Sb Sb FZ v and FF

Same to deactivate

SH -- Shorted FZ

Thermistor

System

Diagnostic

Blank UI display,

no LEDs

illuminated

and FZ v Press and hold FF

to deactivate

SY CF UI to Main Board

communication

failure; on start up

Current Air

Temps

Temp

Default Settings

and C/F Buttons

Automatically

after 10 seconds

SY CE UI to Main Board

communication

error; after a period

of operation

Notes:

• Always check for pin back-outs, pinched or damaged wires before

replacing components.

• Determine whether failure is caused by the component, main control

board or wiring. Contact TID before replacing main control board.

• Refer to Service Manual for additional information.

SY EF Freezer Evaporator

Fan Failure

Replace Inverter Board

→ Check at Inverter Board on

Compressor

(BLK and RED wires)

Is Inverter Board receiving 10-15

VAC and 1-5 VDC from Main

Control Board?

→ Check at Main Control Board

(BLK/WHT and RED/BLK wires)

Is Main Control Board sending

10-15 VAC and 1-5 VDC to

Inverter Board?

→ Check at the connector from the power cord

harness into the inverter board, located in

the machine compartment.

(PUR and WHT wires)

Is Inverter Board receiving 115 VAC

from power supply?

• Check voltage supply.

• Check and repair power

cord harness wiring and

connections.

Identify and repair damaged wires or

poor connections between Main Control

Board and Inverter Board.

yes

→ Remove inverter box from the

compressor and check resistance

across compressor winding pairs as

shown.

Is resistance across all winding

pairs equal?

Replace Compressor and

Inverter Board.

→ Check connections from Inverter

Board to Compressor

Are connections from Inverter

Board to Compressor intact?

yes

Identify and repair damaged

wires or poor connections

between Inverter Board and

Compressor.

VCC Resistance Check

Check resistance between terminals 1 and

2, 2 and 3, 3 and 1.

If all resistances are equal,

compressor is operative.

Replace Main Control Board.

yes yes

yes

VCC COMPRESSOR MOTOR RESISTANCE CHECK

FREEZER ICE MAKER INFORMATION

(Where Applicable)

Test Cycling: Remove cover by inserting screwdriver in notch

at bottom and prying cover from housing. Use screwdriver to

rotate motor gear counterclockwise until holding switch circuit

is completed. All components of ice maker should function to

complete the cycle.

Water Fill Volume: The water ll adjustment screw will

change the ll time. One full turn is equal to 20cc (.68 oz.).

The correct ll is 102 to 130cc (3.4 to 4.3 oz.). When a water

valve is replaced, the ll volume must be checked.

Mounting

Plate

Screws

Mounting

Plate

Screw

Motor

Gear

Timing

Gear

Water Fill

Adjustment

Wire Diagram A06742201

ERF2500++ISO

REFRIGERATOR

CONTROL

RIBBED

(NEUTRAL)

NON-RIBBED

(LINE)

COMPRESSOR

GROUND

THERMAL

CUT-OUT

LINE

CAB. GROUND

RL2

LINE

FREEZER

EVAPORATOR

HEATER

RL5

YEL

RED

CONDENSER FAN

YEL/BLK

NEUTRAL

RL8

RL6

U2 (SSR1)

RL4

POWER CORD

COMPRESSOR

CONTROL SIGNAL

FREEZER

SENSOR

FRESH FOOD

SENSOR

LH1

USER

INTERFACE

FREEZER

EVAPORATOR

SENSOR

MB1

12V DC

DAMPER

MOTOR

OUT2A

BRN/YEL

BLK/YEL

WHT/YEL

AT1

OUT2B

OUT1A

OUT1B

RED/YEL

PIN 6

PIN 5

PIN 3

PIN 2

GRY/YEL

GRY/WHT

GRY/BLK

BLK

WHT

RED

MB1

YEL/PNK

FREEZER DOOR

SWITCH

(DOOR OPEN)

BLK

BLK/ORN

YEL/PNK

PIN 4

PIN 5

MC1

VARIABLE SPEED

COMPRESSOR/ INV.

BLK

LT. BLU

BASE PLATE

GROUND

MB2

MC1

LT. BLU

MAIN INLET

WATER VALVE

FREEZER ICEMAKER

WATER VALVE

RED/BLK

BLK/WHT

12 VDC

GRN/YEL

BASE PLATE

GROUND

PIN 1

PIN 4

FREEZER DOOR

SWITCH

(DOOR OPEN)

BLK

BLK/ORN

YEL/PNK

COIL COVER

GROUND

BEHIND FRONT

LEFT ROLLER

FREEZER

ICE MAKER

(SEE FZ ICE

MAKER DIAGRAM)

BLK

LT. BLU

BRN

GRN/YEL

PIN 1

PIN 3

PIN 2

PIN 4

POWER

CONTROL SIGNAL

+5V DC

+12V DC

+5V DC

COMM.

GND

EVAPORATOR

FAN (DC)

RED/WHT

MB1

BRN/WHT

YEL/WHT

PIN 2

PIN 1

PIN 3

RH1

PIN 2

MULLION HEATER

PIN 1

RIGHT DOOR

FLANGE

FLIP MULLION COVER

RIGHT HINGE

GROUND

GRN/YEL

YEL/RED

NEUTRAL

PIN 7

PIN 8

PIN 5

PIN 4

PIN 3

PIN 2

PIN 5

PIN 6

BLK/PNK

RED/BLK

BLK/WHT

RED

BLK

LT. BLU

BLK

GRN/YEL

LT. BLU

RED/YEL

BRN/YEL

BLK/YEL

WHT/YEL

AC SIDE

DC SIDE

BLK

LT. BLU

BOARD-MOUNTED

AMBIENT THERMISTOR

+5V DC

+12V DC

GND

LT.BLU/BLK

PIN 8

GRN/YEL

LT.BLU/BLK

YEL/BLU

LED LIGHT WIRING

FZ-1FZ-2

REFRIGERATOR LEDS

RG-1

RG-7

RG-6

RG-2

RG-5

RG-4

RG-3

FREEZER LEDS

WHT/BRN

WHT/BLU

WHT/BRN

WHT/BLU

LED

LED LED LED

WHT/BRN

WHT/BLU

WHT/BRN

WHT/BLU

WHT/BRN

WHT/BLU

WHT/BRN

WHT/BLU

WHT/RED

WHT/GRN

WHT/RED

WHT/GRN

LED LED

TYPICAL LED CONNECTOR

+12V DC

WHT/GRN

WHT/RED

WHT/BRN

WHT/BLU

WHT/GRN

WHT/RED

WHT/BRN

WHT/BLU

YEL

BACK VIEW

FRONT INSIDE

VIEW

INLINE CONNECTOR ABBREVIATION KEY

ABBR. EXPLANATION

AT1 9 PIN CONNECTION AT AIR TOWER

LH1

5 PIN CONNECTION AT THE LEFT

DOOR UPPER HINGE

MB1

9 PIN CONNECTION IN THE MAIN

BOARD HOUSING BEHIND THE TOE

GRILLE

MB2

4 PIN CONNECTION IN THE MAIN

BOARD HOUSING BEHIND THE TOE

GRILLE

MC1

9 PIN CONNECTION IN THE

MACHINE COMPARTMENT TO THE

LEFT OF THE COMPRESSOR

RH1

2 PIN CONNECTION AT THE RIGHT

DOOR UPPER HINGE

CATCH

LATCH

AT1 & MB1

LH1

MC1

RH1

MB2

MC1

MB1

MB2

AT1

LH1RH1

J11

BOARD VIEW

AMBIENT

TEMP

SENSOR

RL1

RL2

RL5

RL3

RL6

RL9

RL8

RL4

RL7

Frigidaire FFHN2750TS Installation guide

Brand: Frigidaire

Model: FFHN2750TS

Type: Installation guide

This manual is also suitable for

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Frigidaire FFHN2750TS Installation guide

This manual is also suitable for

Frigidaire FFHN2750TS Installation guide

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