MCAC-VTSM-2016-04
R410A DC Inverter VRF V4 Plus W Series 50Hz
Installation 197
System parameter
SW1:
(CHECK)――Used to query main unit data. Check point sequence and corresponding actuality is as follows:
No. Display content
Note
No.
Display content
Remark
1
Main unit address
0,1,2,3
14
TSC1, water outlet temp. of
upper pipe
Actual value
2
Capacity of main unit
8,10,12
15
TSC2, water outlet temp. of
lower pipe
Actual value
3
Qty. of modular main unit
Effective to
master unit
16
Current 1 of inverter
compressor
Actual value
4.
Total capacity of main unit
Capacity
requirement
17
Current 2 of inverter
compressor
Actual value
5
Total capacity requirement of indoor
unit
Effective to
master unit
18
High pressure
Actual value
6
Total capacity requirement of
master unit after correction
Effective to
master unit
19
Low pressure
Actual value
7
Operation mode
0,2,3,4
20
Opening degree of EEV A
Display value ×8
8
The actual operation capacity of
main unit
Capacity
requirement
21
Opening degree of EEV B
Display value ×8
9
Water flow switch
0-OFF,1-ON
22
Priority mode
0,1,2,3,4
10
T2B/T2 average temp.
Actual value
23
Quantity of communicated
indoor units
Actual value
11
T5, inverter module temp.
Actual value
24
The qty. of installed indoor
units
Actual value
12
T7, discharge temp. of inverter
compressor
Actual value
25
The last time error or
protective code
Without protection or error
display code 00
13
TSJ, water inlet temp.
Actual value
26
——
Check end
Normal display:
1. When in standby mode, it displays number of indoor units that can communicate with outdoor unit. When it
is operating, it will display the rotation frequency of the compressor.
2. Operating mode: 0---Off/Fan; 1---fan only; 2---Cooling; 3---Heating; 4---Forced cooling
3. Water flow switch state:0---close;1---open.
4. Priority mode:0---Heating priority mode;1---Cooling priority mode;2---Priority mode;3---Only respond the
heating mode; 4---Only respond the cooling mode
5. EXV opening angle: pulse count=display value×8. ENC1: Outdoor unit address setting switch,
6. ENC1: Main unit address setting switch.
ENC2: Main unit capacity setting switch.
ECN3: Network address setting switch.
S10, ENC4: combination setting the qty. of the installed indoor units.
SW1: Query button; SW2: Constraint cooling.
Note: Setting 0 or 1, all mean install 1 set indoor unit.
