Download INSTALLATION MANUAL

Explanation of main board
CAUTION
Table.6-2
Content
No.
1
Discharge temp. sensed port of the inverter compressor A
2
Discharge temp. sensed port of the inverter compressor A or B
●
3
Reserve
4
Reserve
5
6
7
8
9
10
Reserve
Power input of the No.2 transformer
13
Loading output terminal
14
Loading output terminal
15
Loading output terminal
6
6
Power output of the No.1 transformer
Activation port of inverter module B
Port for inverter module A voltage inspection
21
Activation port of inverter module A
22
ON/OFF signal input port for system low pressure inspection
23
ON/OFF signal input port for system high pressure inspection
21
S2 definition
6
21
21
Night time selection is 6h/12h
6
21
Night time selection is 8h/10h
6
Night time selection is 8h/12h
Reserve
Inspection port for outdoor ambient temp. and condensator
coil
S3 definition
6
28
Control port of DC fan A
29
Control port of DC fan B
Night time selection is 6h/10h
(Default the Factory Set)
6
Input port for system high pressure inspection
Communication ports between outdoor units
Starting time is set to about 12 minutes
(Default the Factory Set)
21
31
6
Starting time is set about 10 minutes
6
21
30
(1& 6
6
Power output of the No.2 transformer
20
27
6
S1 definition
21
Port for inverter module B voltage inspection
26
6
Fig.6-4
19
25
(1& 6
Loading output terminal
EXV B driving port
24
6 6
Power input of the No.1 transformer
12
18
(1& (1& 6 6
Phase inspection port
EXV A driving port
17
6.4 Dial codes definition
Wiring port for communication between indoor and outdoor units,
indoor unit network, outdoor unit network and network accounting
11
16
Before debugging the power supply connected port of the
main control panel, it must set the indoor and outdoor units
addresses.
There are high electric in the electric control box, don’t
touch except for the professionals.
●
Night silent mode
(Default the Factory Set)
6
21
Silent mode
Current inspection port of the inverter compressors A and B
Power supply connected port of the main control panel
6
21
Most silent mode
6
21
None silent mode
Installation manual
19