MCAC-VTSM-2011-09
Installation
Commissioning Report
117
System parameter
SW1:
(CHECK)――Used to query outdoor unit data. Check point sequence and corresponding actuality is as
follows:
No.
Display content
Note
No.
Display content
Remark
1
Outdoor unit address
0,1,2
15
The cavity temp. of Slave
electrical control box
Actual Value
2
Outdoor unit capacity
8,10
16
Inverter compressor current
Actual Value
3
Module outdoor unit quantity
Available for master unit
17
Fixed compressor 1 current
Actual Value
4
Module total capacity
Actual Value
18
Fixed compressor 2 current
5
Cooling capacity demand
19
EXV opening value
Display value*8
6
Heating capacity demand
20
Discharge pressure
Display
value*0.1MPa
7
Operation mode
0~4, same as V4+, see the
following notes.
5
：
Main cooling
，
6
：
Main heating
21
Cooling indoor unit quantity
Actual Value
8
Outdoor actual operation
capacity
Available for master unit
22
T2B average
Actual Value
9
Fan mode
0,1,2,3……9
23
Heating indoor unit quantity
Actual Value
10
Fan state
0: OFF; 1: ON
24
T2 average
Actual Value
11
T3 pipe sensor temp.
Actual Value
25
The limitation of indoor unit
operation mode
0
12
T4 ambient temp.
Actual Value
26
Indoor unit quantity
Actual Value
13
Discharge temp. of inverter
compressor
Actual Value
27
The last malfunction code
E,P,H,
if no malfunction,
diaplay 00
14
Discharge temp. of fixed
compressor 1
Actual Value
28
End
-
-
Note: When operation of system lasts 1 hour and stays stability, press checkup button on PCB of outdoor master unit,
query one by one and fill out the above table according to facts.
Description of display:
Normal display:
when in standby mode, it indicates number of indoor units, when running, it indicates output percentage
value of compressor.
Running mode:
0---Turn off; 1---fan only; 2---Cooling; 3---Heating; 4---Forced cooling
Outdoor fan speed:
0
──
OFF; 1~9
──
Speed increasing in turn; 9
──
the highest fan level.
EXV opening:
pulse = display value x 8.
Number of indoor unit:
indoor units which are capable of communicating with outdoor unit normally.
SW2 (
CONSTRAINT COOL
)
――Forced cooling button when commissioning, you could press this button to run all
indoor and outdoor at the maximum capacity, 1 hour later it’ll automatically quit the forced cooling mode and return to the
original status.
ENC1:
Outdoor unit address setting switch;
SW1:
Check button;
ENC2:
Outdoor unit capacity setting switch;
SW2:
constraint cooling button;
ECN3:
Network address setting switch.
