Microprocessor temperature control board, Microprocessor temperature control board -6 – Maytag Atlantis User Manual

Page 76

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ANALOG TEMPERATURE CONTROL BOARD DIAGNOSTICS FOR

MAV6000, MAV6057, MAV7000 and MAV7057

PIN

SOURCE

OUTPUT/

INPUT

WIRE

COLOR

MEASURE

TO PIN #

VOLTS

OHMS

CONDITIONS

1

Neutral

Input

WH

Line

120VAC

2

Not Used

3

Cold Valve

Output

BU

1

120VAC

4

Hot Valve

Output

OR

1

120VAC

5

Indicator Light

Output

YL

1

120VAC

TC Option Selected Warm

or Cold Wash Selected

6

Timer (12 T Contact)

Input

BK

1

120VAC

Wash Cycle on Timer

7

TC Disable

Input

BR

6 *

OVDC

3-24VDC

TC Option Deselected
TC Option Selected

8

Thermistor

Input

GY

11

10K-100K

OHMS

Room Temperature

9

Temp Selector

Switch Cold Wash

Input

PU

6 * **

OVDC

Warm or Cold Wash

Selected

10

Temp Selector Switch

Hot Wash

Input

PK

6 * **

OVDC

Hot or Warm Wash
Selected

11

Thermistor

Input

GY

8

10K-100K

OHMS

Room Temperature

Figure 8-5

*

Reference DC Voltages to Line 1.

* * Temperature only occurs during Cold or Warm wash fills.

MICROPROCESSOR TEMPERATURE CONTROL BOARD

The

microprocessor

temperature

control

board has the temperature control features of

the analog board, with the additional func­
tions of finger tip faucet, rinse fills, spray rinses

and end of cycle signal. On Model MAV8500
only, the АТС temperature control can blend

the proper selected water temperatures dur­

ing the initial water fill. To activate this fea­

ture, the Temperature Control option must be

activated. The first fill at the initial start-up of

the washer will have a blended water tempera­

ture fill. All fills after this will not be tempera­
ture controlled through the АТС. Meaning the
Temperature fill will be what is selected on
the temperature selection switch.

Finger Tip Faucet

The faucet is controlled through a rocker

switch on the control console. The fill circuit
is fed through the temperature control board

then to the water valve. As long as the pres­

sure switch is not satisfied, the finger tip

16009485-01

Section 8. Electrical Components & Testing

©1999 Maytag Appliances Sales Company

8-6

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