R410a DC Inverter 60Hz Carrier service manual
154 Installation
System parameter
SW2:
(CHECK)――Used to query outdoor unit data. Check point sequence and corresponding actuality is as
follows:
No.
Display
code
Display content Note No.
Display
code
Display content Remark
1 0--
Address of outdoor unit 0,1,2,3
18 17--
Discharge pressure
corresponding to the
saturation
temperature
Actual value=
display value-30
2 1--
Capacity of outdoor unit 8,10,12,14,16
19 18--
Current of inverter
compressor A
Actual value
3 2--
Quantity of Modular
outdoor unit
Available for
main unit
20 19--
Current of inverter
compressor B
Actual value
4. 3--
Quantity setting of
indoor units
Available for
main unit
21 20--
Opening angle of
EXV A
Actual
value=display
value×8
5 4--
Total capacity of
outdoor unit
Capacity
requirement
22 21--
Opening angle of
EXV B
Actual
value=display
value×8
6 5--
Total requirement of
indoor unit capacity
Available for
main unit
23 22--
High pressure
Actual
value=display
value×0.1MPa
7 6--
Total requirement of
main unit corrected
capacity
Available for
main unit
24 23--
Reserve
8 7--
Operation mode
0,2,3,4 (0-off,
1-air supply,
2-cooling,
3-heating
(cooling only
type without),
4-forced cooling)
25 24--
Quantity of indoor
units
9 8--
This outdoor unit actual
operation capacity
Capacity
requirement
26 25--
Quantity of the
working indoor units
Actual value
10 9--
Speed of fan A
0-off;
1~15-speed
increasing
sequentially;
15-is the max.
fan level.
27 26--
Priority mode
0,1,2,3,4(0-heating
priority
mode;1-cooling
priority mode; 2-VIP
priority or Vote
priority; 3-response
the heating mode
only; 4-response
the cooling mode
only)
11 10--
Speed of fan B
0-off;
1~15-speed
increasing
sequentially;
15-is the max.
fan level.
28 27--
Night noise control
mode
0,1,2,3(0-night
silent mode;1-silent
mode; 2-super
silent mode; 3-none
silent mode)
12 11--
T2/T2B average
temperature
Actual value
29 28--
Static pressure mode
0,1,2,3(0-static
pressure is 0MPa;
1- static pressure
mode is low
pressure;2- static
pressure mode is
medium pressure;
3- static pressure
mode is high
pressure)
13 12--
T3 Pipe temperature Actual value
30 29--
Reserve
14 13--
T4 ambient temperature Actual value
31 30--
Reserve
15 14--
Discharge temperature
of inverter compressor
A
Actual value
32 31--
Reserve