INSTALLATION INSTRUCTIONS
Electric Wiring and Applications Cont.
3. System Status Display and Control (host)
SW1
SW2
SW3
0
0
2
0
1
2
0
2
2
0
3
2
0
4
2
0
5
2
0
6
2
0
7
2
0
8
2
0
10 (A)
2
0
11 (B)
2
0
12 (C)
2
0
13 (D)
2
0
14 (E)
2
0
15 (F)
2
34
Function
Refrigerant type
The same outdoor unit total number and total capacity
Total indoor unit capacity
The indoor units within the same system
Number of indoor units working
With the outdoor unit running mode the same indoor unit
number
Cooling target temperature
Heating target temperature
Automatic recovery of refrigerant
NOTE: the end of the recovery must be canceled or reset
Test run setup
NOTE: the end of the test run must be canceled or reset
Outdoor unit mode
Indoor unit expansion valve fully open
All the indoor unit for cooling
All the indoor unit for heating
Cancel all manual control (running class)
Digital tube LD1 ~ 4 Display
410A represents 410A refrigerant
LD1: The total number of outdoor unit
LD2: Display "-"
LD3/ LD4: Total outdoor unit capacity (unit: Horse)
For example: 3-48 said 3 outdoor machines, with a total
capacity of 48 horses
50 represents 50 kbtu/h
For example: 64
Temperature sensor ON as a sign of the work of the
indoor unit
For example: 13
Unit: °F
When the outdoor stops, press START (SW5) for 2 s,
display 1111, start. (the outdoor is set to work in a state
of operation)
Press STOP (SW6) for 2 s, display 0000, stop
When the outdoor stops, press START (SW5) for 2 s,
display 1111, start. (the outdoor is set to work in a state
of operation)
Press STOP (SW6) for 2 s, display 0000, stop
0-normal, C-only cool H-only heat
Press START (SW5) for 2 s, display 1111, indoor
valve fully open 2 minutes, 2 minutes after the
automatic shutdown valve
Press START
Press STOP (SW6) for 2 s, display 0000 closed
Press START
press STOP (SW6) for 2 s, display 0000, cancel
Remove all manual control (part), closed indoor unit
31-5000572 Rev. 1