Outdoor Unit Control Pcb; Pcb And Functions; Outdoor Unit Control Pcb Cr-U-96Mf1U9 - Panasonic U-72MF1U9 Service Manual

1. Outdoor Unit Control PCB

1-1. Outdoor Unit Control PCB CR-U-96MF1U9

A. ADD (CN100) pin
OAC (CN105) pin
MODE (CN101) pin
AP (CN102) pin
STOP (CN104) pin
CHK (CN023) pin
RUN (CN103) pin
TEST (CN022) pin
Terminal plug
EMG (CN002) plug
Control circuit fuse (F003)
OC (CN001) plug
Low-pressure sensor
1
RC (CN006) plug
High-pressure sensor
RC1 (CN106) plug
Outdoor air temp.
Comp. discharge 3 temp.
Gas temp. sensor
2
at heat exchanger 1, 2
Comp. discharge 2 temp.
Comp. discharge 1 temp.
Liquid temp. sensor
at heat exchanger 1, 2
CT2, CT3
3
Gas temp. and
Liquid temp. sensor
at heat exchanger 3
CTL1, CTL2
Oil detection sensor
Suction temp.
4
HIC2
HIC1
5
HIC3
6
7
S002 S004
S003 S005
(F04)
4 - 2

PCB and Functions

Alarm LED
(LED1, 2)
S006
S010
S007
EEPROM
memory IC
(IC018)
Power LED
(D53)