PCB and Functions
7
- 2
8
7
6
5
4
3
2
1
1. Outdoor Unit Control PCB
1-1. Outdoor Unit Control PCB CR-CHDZ09663
MODE (CN101) pin
AP (CN102) pin
A. ADD (CN100) pin
OAC (CN105) 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
High-pressure sensor
RC1 (CN106) plug
Outdoor air temp.
Comp. discharge 3 temp.
Gas temp. sensor
at heat exchanger 1, 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
at heat exchanger 3
CTL1, CTL2
Oil detection sensor
Suction temp.
HIC2
HIC1
HIC3
Power LED
(D53)
EEPROM
memory IC
(IC018)
Alarm LED
(LED1, 2)
S006
S010
S007
S004
S002
S003
S005
(F04)
TD831158-00̲3WAY̲VRF̲SYS.indb 2
TD831158-00̲3WAY̲VRF̲SYS.indb 2
2012/01/23 17:29:23
2012/01/23 17:29:23
Summary of Contents for U-72MF1U9
Page 118: ...Section 8 TENTATIVE ...