19
Installation manual
CAUTION
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.
●
●
Explanation of main board
Table.6-2
1
No.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Content
31
Discharge temp. sensed port of the inverter compressor A
Wiring port for communication between indoor and outdoor units,
indoor unit network, outdoor unit network and network accounting
Phase inspection port
Power input of the No.1 transformer
Power input of the No.2 transformer
Loading output terminal
Loading output terminal
Loading output terminal
Loading output terminal
Power output of the No.1 transformer
EXV A driving port
Reserve
Reserve
Reserve
Discharge temp. sensed port of the inverter compressor A or B
EXV B driving port
Power output of the No.2 transformer
Control port of DC fan A
Control port of DC fan B
Communication ports between outdoor units
Inspection port for outdoor ambient temp. and condensator
coil
Reserve
ON/OFF signal input port for system high pressure inspection
Power supply connected port of the main control panel
Current inspection port of the inverter compressors A and B
Activation port of inverter module B
Port for inverter module B voltage inspection
Activation port of inverter module A
Port for inverter module A voltage inspection
Input port for system high pressure inspection
ON/OFF signal input port for system low pressure inspection
Fig.6-4
6.4 Dial codes definition
(1&
(1&
6
6
6
6
6
(1&
6
6
6
6
(1&
6
6
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
6
21
Starting time is set to about 12 minutes
(Default the Factory Set)
S1 definition
Night time selection is 6h/10h
(Default the Factory Set)
Night time selection is 8h/10h
Night time selection is 6h/12h
Night time selection is 8h/12h
Night silent mode
(Default the Factory Set)
Silent mode
Most silent mode
None silent mode
Starting time is set about 10 minutes
S2 definition
S3 definition
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