unit network address setting switch. S10, ENC: Combination setting the qty. of installed indoor units.
1) Normal display :When in standby, it displays the qty. Of indoor units that can communicate with the main unit .
6
owner's manual
6. CONSTRAINT COOLING AND QUERY
Constraint Cooling
Once pressing the constraint cooling button(see the chart on the
right), all the indoor unit will be on forced cooling mode and the
wind speed is HIGH.
Query
Fig.6-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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Normal display
Display content
Note
Table 6-1
Main unit address
Main unit capacity
Modular main unit qty.
Total capacity of main unit
Total capacity requirement of indoor unit
Total corrected capacity requirement of main unit
Operation mode
The actual operation capacity of this main unit
Water flow switch state
T2B/T2 average temp.
T5 inverter module temp.
T7 discharge temp. of inverter compressor
TSJ water inlet temp.
TSC1 water outlet temp. of upper pipe
TSC2 water outlet temp. of lower pipe
Current 1 of inverter compressor
Current 2 of inverter compressor
High pressure
Low pressure
Opening angle of EXV A
Priority mode
Qty. of the communicating indoor units
Available for main unit
Capacity requirement
Available for main unit
Available for main unit
Capacity requirement
Actual value
Actual value
Actual value
Actual value
Actual value
Actual value
Actual value
Actual value
Display value ×0.1Mpa
Display value ×0.01Mpa
Display value ×8
0,1,2,3,4
Actual value
Without protecion or error display code 00
Check end
Actual value
When it is operating, it will display the rotation frequency of the compressor.
2) Operation mode: 0-OFF/FAN , 2-Cooling , 3-Heating , 4-Constraint cooling.
3) Water flow switch state: 0-Open, 1-Close.
4) EXV opening angle: Pulse count=display value×8.
5) Priority mode: 0-heating priority mode, 1-cooling priority mode , 2-open the priority mode first, 3-respond the
heating mode only , 4-respond the cooling mode only.
6) ENC1:Main unit address setting switch, ENC2:Main unit capacity setting switch, ENC3:Main
SW1:Query button ,SW2:constraint cooling
0, 1, 2, 3
8, 10, 12
0, 2, 3, 4
0-Open,1-Close
MAIN BOARD
(MAIN UNIT)
Query button
Constraint cooling button
CHECK
COOL
Opening angle of EXV B
Display value ×8
Qty.of installed indoor units
The last time malfunction or the protective code
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25
26
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The display contents as followings:
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