Service manual
13-10
CONTROL SYSTEM > GC 18/GC 21
SM HADDCI 1-A.2 GB
STBY/OPER
ESF/Ionizer
Infra Re
d
Receive
r
Timer
Filter
Mode/Reset Button
13.10.2 Indoor Unit controller Controls and Indicatiors
The following is schematic drawing for the display:
13.10.3 Outdoor Unit Controller Indicators
Unit has three LED’s. SB LED, STATUS LED, FAULT LED.
SB LED is ON when power is ON (230 VAC),
STATUS LED is ON when COMP is ON, and Blinks according to diagnostics mode definitions
when either fault or protection occurs.
FAULT LED Blinks according to diagnostics mode definitions when either fault or protection occurs.
13.11 Jumper Settings
13.11.1 Indoor Unit Controller
= Open Jumper (disconnect jumper).0
= Close Jumper (connect jumper). 1
Self test Jumper - J1
OPERATION J1
SELF TEST 1
NORMAL 0
Compensation jumper - J2
Model J2 (Default) Compensation
HAD018/022 1 Activated
Family selection Jumper - J3, J4 ,J5, J6 and J11
Family J11 J6 J5 J4 J3
HAD018/022 0 1 0 0 0
Model selection Jumper - J7
Controller => HAD018/022
Model J7
HAD018 0
HAD022 1
Jumper - J9
OPERATION J9
Presence Detector 0
Power Shedding 1
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