Appendix a, Board layout and schematic – Carrier 58MVP User Manual

Page 34

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Appendix A

Board Layout and Schematic

W2

COM

24V

W/W2

Y/Y2

RG

HUM

HOT

SURFACE IGNITOR

CONNECTOR

EAC-ELECTRONIC

AIR CLEANER

TERMINALS

(115-VAC 1 AMP MAX)

115-V
CONNECTORS
(SEE DETAILS ABOVE)

24-V THERMOSTAT
TERMINALS

PRESSURE SWITCH
CONNECTOR

HUM-HUMIDIFIER
TERMINAL
(24-VAC 0.5 AMP MAX)

TRANSFORMER

24-V

CONNECTORS

SEC-2
SEC-1

3-AMP FUSE

STATUS AND DIAGNOSTIC
LED LIGHTS

AIR CONDITIONING
(A/C) SETUP SWITCH
SETUP SWITCHES
(SW) AND BLOWER
OFF DELAY SETUP
SWITCHES

MODEL PLUG

COMMUNICATION

CONNECTOR

CONTINUOUS

FAN (CF) SETUP

SWITCHES

MAIN BLOWER

CONTROL WIRE

CONNECTOR

MAIN HARNESS

CONNECTOR

DEHUMIDIFIER (DEHUM)
CONNECTOR

DEHUMIDIFY ENABLE (DE)
(WHEN PROVIDED)

I

2

B2

L2

P2

I

1

B1

L1

P1

I

1

B1

L1

P1

I

2

B2

L2

P2

P/N HK42FZ003

P/N HK42FZ012

A98351

Control Center

34

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