Thermador C271 Service Manual - “C” Dac Relay Board

“C” DAC RELAY BOARD

(Digital Appliance Controls)

There are 2 relay boards, 1 for a single oven and 1 for a double oven. You can use the

double oven board for a single oven. You must use a double oven board for a double

oven.

The relay board has 14 snap relays activated by 24 volts d.c., 8 small pin headers that

carry signal voltage to components, and 5 large pin headers that provide or transfer 120

volts ac to components.

Relays K1 through K15:

K0

Transfers 120 volts from l2 to upper oven latch motor.

K1

Transfers 120 volts from l2 to lower oven latch motor.

K2

None

K3

None

K4

Transfers 120volts from 12to both oven cooling motors.

K5

Transfers 120 volts from 12 to both oven cooling motors.

K6

Transfers current to complete 12 v.a.c. Upper oven halogen light circuit.

K7

Transfers current to complete 12 v.a.c. Lower oven halogen light circuit.

K8

Transfers 120 volts from 12 to upper oven bake element.

K9

Transfers 120 volts from 12 to upper oven broil element.

K10

Transfers 120 volts from 12 to upper oven convection element.

K11

Transfers 120 volts from 12 to upper oven convection motor.

K12

Transfers 120 volts from 12 to lower oven bake element

K13

Transfers 120 volts from 12 to lower oven broil element.

K14

Transfers 120 volts from 12  to lower oven convection element.

K15

Transfers 120 volts from 12  to lower oven convection motor.

These relays have normally open contacts that transfer voltage when the are snapped

closed. These relays have a coil that is snapped closed by 24 v.d.c. From the eeprom

(memory chip) on the relay board.

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