INDOOR UNIT CONTROLS and COMPONENTS
PAGE 15
ENGLISH
PCB
2
CN23-Connector for communication between
indoor and outdoor unit
4
CN8, CN9 (09k and 12k), or CN9 (18k and 24k) -
Fan motor connections
9
CN51 (09k and 12k), or CN34 (18k and 24k) - WiFi connection
6
CN11 (09k and 12k), or CN5 (18k and 24k) -
Up/down stepper motor connections
11
SW2-1-Select remote code A or B
CN3 and CN1 (09k and 12k) - transformer connection
13
3,4- Select EEPROM code 22,25,33 or 35
CN21, CN52-Connector for power N and L
1
CN51-Connector for room card
8
CN7- Connector for display
5
2-Select enable or disable room card
12
CN6-Connector for thermistors
3
SW1- Connector for emergency ON/OFF switch
10
CN2-Connector for wired controller
7
FUSE1- Fuse 3.15A/250 VAC
CN11 and CN10 (18k and 24k) - Left/right stepper motor connections