Photovoltaic Direct-driven Inverter VRF
Reference of Debug Parameters of
N
Debug item
o.
10
11
12
13
14
15
System
parameters
16
17
18
19
ODU
20
21
22
23
IDU
24
25
Communi
26
-cation
Communication data
parameter
Drainage
27
system
28
Others
Parameter name
Operating freq. of
inverter compressor 1
Current of inverter
compressor 1
IPM temp of inverter
compressor 1
Inverter compressor 1
driven bus voltage
Operating freq. of
inverter compressor 2
Current of inverter
compressor 2
IPM temp of inverter
compressor 2
Inverter compressor 2
driven bus voltage
Operating freq of fan
motor 1
Current of fan motor 1
Operating freq of fan
motor 2
Current of fan m otor 2
Ambient temp of IDU
Inlet tube temp of
indoor heat exchanger
Outlet tube temp of
indoor heat exchanger
Opening angle of
indoor EXV
——
——
photovoltaic multi VRF
Unit
Hz
Varies from 20Hz to 95Hz
According to different operating freq. and different
A
load, current will vary from 7A to 40A.
When ambient temp is lower than 35º C(95° F), IPM
temp is below 85ºC(185°F). Highest temp won't be
º C(° F)
above 95º C(203° F).
Normal bus voltage is 1.414 times of power voltage.
For example, if 3-phase power voltage is 220V, then
V
the bus voltage after rectification is: 220V X
1.414=311V. It's normal if actual voltage varies 15v
from the calculated voltage.
Hz
Varies from 30Hz to 100Hz
According to different operating freq. and different
A
load, current will vary from 7A to 25A.
When ambient temp is lower than 35º C(95° F), IPM
temp is below 80ºC(176°F). Highest temp won't be
º C(° F)
above 95º C(203° F).
Normal bus voltage is 1.414 times of power voltage.
For e xample, if 3-phase power voltage is 220V , then
V
the bus voltage after rectification is: 220V X
1.414=311V. It's normal if actual voltage varies 15v
from the calculated voltage.
Hz
Adjusts in 0~65Hz according to system pressure.
A
Hz
Adjusts in 0~65Hz according to system pressure.
A
º C(° F) ——
● According to different ambient temp, for a same
º C(° F)
IDU under cooling mode, inlet tube temp will be
1~7º C(33.8~44.6° F) lower than outlet tube temp.
● For a same IDU under heating mode, inlet tube
º C(° F)
temp will be 10~20º C(50~68° F) lower than outlet
tube temp.
Adjusts opening angle automatically in 200~2000PLS
PLS
or 70~480PLS.
Quantity of IDU and ODU dete cted b y software is the
—
same with actual quantity. No communication error.
IDU can drain water out completely and smoothly.
Condensate pipe has no backward slope of water.
—
Water of ODU can be drained completely through
drainage pipe. No water drop from unit base.
Compressor and indoor/outdoor fan motor has no
º C(° F)
strange noise. Unit operates normally.
65
System
Reference
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