
Section 4 Data Sheets
4-10
Slide-in Frigidaire Pro Block Diagram and Interconnections
This can be used as a complement to the wiring diagram to trouble-shoot a range
ESEC20 UIB ESEC20 Relay Board COOKTOP L1
Faston Terminals
"Elements
Connections"
P1 = K1 - "Relay" LR element
LR element
P5
Hot Surface Sense
Pin 1 = LR Hot Surface Pin 1 = LR Hot Surface
J5
Hot Surface
Sense
to UIB
P2 = K1 - "Relay" LINE IN L2 In
Pin 2 = LF Hot Surface Pin 2 = LF Hot Surface P3 = K2 - "Relay" LINE IN L2 In
Pin 3 = Not Used Pin 3 = Not Used P4 = K2 - "Relay" RR2 element
RR2 element
Pin 4 = RR Hot Surface Pin 4 = RR Hot Surface P5 = K3 - "Relay" RF2 element
RF2 element
Pin 5 = RF Hot Surface Pin 5 = RF Hot Surface P6 = K3 - "Relay" LINE IN L2 In
Pin 6 = Not Used Pin 6 = Not Used P7 = K4 - "Relay" Not used Neutral
Warmer Zone
Pin 7 = Return path all Hot Surface Pin 7 = Return path all Hot Surface P8 =
K4& K5 `Rela
LINE IN L2 In
P9 = K5 - "Relay" LF1 element
LF1 element
P6
Relay Control Output
Pin 1 = PWM Relays Pin 1 = PWM Relays
J3
Relay Control Input
P10 = K6 - "Relay" LF2 element(bridge)
LF2 element
Pin 2 = Not used Pin 2 = Not used P11 = K6& K7 `Rela
LINE IN L2 In
Pin 3 = Wiggler Stimulus Pin 3 = Wiggler Stimulus P12 = K7 - "Relay" RR1 element
RR1 element
Pin 4 = K1 - "Relay" (LR) Pin 4 = K1 - "Relay" (LR) P13 =
K8 - "Relay"
LINE IN L2 In
Pin 5 = K2 - "Relay" (RR2) Pin 5 = K2 - "Relay" (RR2)
P14 = K8 - "Relay" RF1 element RF1 element
Pin 6 = K3 - "Relay" (RF2) Pin 6 = K3 - "Relay" (RF2)
Pin 7 = K4 - "Relay" (not used) Pin 7 = K4 - "Relay" (not used)
J4
Hot Surface Inputs
(from elements)
pin 1 = LR Hot Surface LR Limitor
Elements Radiant
Pin 8 = K5 - "Relay" (LF1) Pin 8 = K5 - "Relay" (LF1) pin 2 = LF Hot Surface LF Limitor
Pin 9 = K6 - "Relay" (LF2) Pin 9 = K6 - "Relay" (LF2) pin 3 = Not used pin3 Not used
Pin 10 = K7 - "Relay" (RR1) Pin 10 = K7 - "Relay" (RR1) pin 4 = RR Hot Surface RR Limitor
Pin 11 = K8 - "Relay" (RF1) Pin 11 = K8 - "Relay" (RF1) pin 5 = RF Hot Surface RF Limitor
relay control: 5V = relay closed. 0V = relay open
pin 6 = Not used pin 6 Not used
pin 7 = Return path all Limitor pin 7 Return path all limitor
P4
Power Supply
Input From Relays Board
Pin 1 = Ground Pin 1 = Ground
J2
Power
Supply
Output
Pin 2 = V_LED "8 V" DC Pin 2 = V_LED "8 V" DC
Pin 3 = V_UR "16 V" DC Pin 3 = V_UR "16 V" DC
Power
Supply
120 / 240 V
Pin 4 = Not Used TH1 Pin 4 = Not Used
J1
Line Input
pin 1 = Neutral Neutral
Pin 5 = Zeros - Cross Pin 5 = Zeros - Cross pin 2 = Not used L1
pin 3 = L2 L2
P7
Power Supply
Input From Relays Board
Pin 1 = Communication
Pin 2 = Not used
TH1 => Safety Thermostat in front console
Pin 3 = Ground
P1
Display Left Side(conn 17)
P1
Display Left Side (Right Rear)
P2
Display Right Side(conn 16)
P2
Display Right Side (Right Front)
J2
Header for interfacing to
Potentiometers
Pin1(Tail Sense)
OVEN CONTROL ES5X
Pin2(not used)
TH2 => Safety Thermostat on Main Back
Pin3(not used) Pin1(Tail Sense)
Pin4(Gnd) Pin2(Gnd)
J8
Warmer Zone
pin1 =
CR element
Pin5(Key_Pot_Read_0) Pin3(Key_Pot_Read_0) pin2 = Not used
OVEN
Pin6(Key_Pot_Read_1) Pin4(Key_Pot_Read_1) TH2
Pin7(Vcc) Pin5(Vcc) pin 1 = Communication
P6
Communication
F
aston
Terminals
P1 = DLB - "Relay" L2 OUT
Pin8(Key_Pot_Read_3) Pin6(Key_Pot_Read_3) pin 2 = Not Used P3 = DLB - "Relay" L2 IN
Pin9(Key_Pot_Read_4) Pin7(Key_Pot_Read_4) pin 3 = Ground P5 = L1-IN L1 IN
Pin10(not used) Pin8(Tail Sense) pin 4 = Not Used P15 = L1-IN L1 IN
Pin11(not used) pin 5 = Not Used P7 = K3 - "Relay" BROIL element (240 V)
Pin12(not used) pin 6 = Not Used P9 = K5 - "Relay" BAKE element (240 V)
Pin13(not used) P11= K7 - "Relay" CONVECTION element (120V)
Pin14(Tail Sense) Oven Temperature Probe pin 1 = Temperature Probe
P11
Switches sense
and oven probe
P13 = K21 - "Relay" Warmer Drawer element (120V)
pin 2 = Temperature Probe P17 = DLB - "Relay" L2 IN
pin 3 = Return Path Switch
Door Switch pin 4 =
Switch Doo
J3
Accessories Output
pin 1 = K18 - "Relay" Cooling FAN HI (120 V)
pin 5 = Not Used pin 2 = K16 - "Relay" Cooling FAN LOW (120 V)
Thermostat Warmer Drawer pin 6 = Thermostat W/D pin 3 = K14 - "Relay" 2 X OVEN LIGHT (120V)
Latch Motor Switch pin 7 = Door Latch Motor Switch pin 4 = K11 - "Relay" LATCH MOTOR (120 V)
pin 5 = K9 - "Relay" CONVECTION FAN (120 V)
pin 6 = L1-IN L1
pin 7 = Not used
pin 8 = NEUTRAL IN NEUTRAL
J8
Header for interfacing to
Potentiometers (Right
Front)
OVEN BLOCK DIAGRAM - PROFESSIONAL SERIES
Model B & C
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