Outdoor Unit Control Pcb; Pcb And Functions; Outdoor Unit Control Pcb Cr-Chdz14053 - Sanyo ECO-i AHX0752 Technical Data Manual

1. Outdoor Unit Control PCB

1-1. Outdoor Unit Control PCB CR-CHDZ14053

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
RC (CN006) plug
1
High-pressure sensor
RC1 (CN106) plug
Outdoor air temp.
Comp. discharge 3 temp.
Gas temp. sensor
at heat exchanger 1, 2
2
Comp. discharge 2 temp.
Comp. discharge 1 temp.
Liquid temp. sensor
at heat exchanger 1, 2
CT2, CT3
Gas temp. and
Liquid temp. sensor
3
at heat exchanger 3
CTL1, CTL2
Oil detection sensor
Suction temp.
HIC2
4
HIC1
HIC3
5
6
7
8
S002 S004
S003 S005
(F04)
7-2

PCB and Functions

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