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11.4 Outdoor unit point check function
There is a check switch in outdoor PCB.
Press the switch N times it will display the content corresponding to No. N. After getting into the check function, it
will display No. N with 1.5s, meanwhile the low bit decimal of digit display flashing, indicated to get into the check
function display. After 1.5s, it will display the content corresponding to No. N.
the digital display tube will display the follow procedure when push SW1 each time.
Display
Remark
0
Normal display
Display running frequency, running state or malfunction code
1
No. of indoor units in good connection
Actual data
2
Outdoor unit running mode code
Off:0,Fan only 1, Cooling:2, Heating:3, Forced cooling:4
3
A indoor unit capacity
The capacity unit is horse power. If the indoor unit is not connected,
the digital display tube will show: “――”
(7K:0.8HP, 9K:1HP,12K:1.2HP,18K:1.5HP)
4
B indoor unit capacity
5
C indoor unit capacity
6
D indoor unit capacity
7
E indoor unit capacity
8
A Indoor unit capacity demand code
Norm value*HP
(7K:0.8HP, 9K:1HP,12K:1.2HP,18K:1.5HP)
9
B Indoor unit capacity demand code
10
C Indoor unit capacity demand code
11
D Indoor unit capacity demand code
12
E Indoor unit capacity demand code
13
Total indoor units amendatory capacity
demand code
Forced cooling:7
14
The frequency corresponding to the total
indoor units amendatory capacity demand
15
The frequency after the frequency limit
16
The frequency sending to compressor
control chip
17
A indoor unit evaporator outlet temp.(T
2B
A)
If the temp. is lower than -9 degree, the digital display tube will show
“-9”.If the temp. is higher than 70 degree, the digital display tube will
show “70”. If the indoor unit is not connected, the digital display tube
will show: “――”
18
B indoor unit evaporator outlet temp.(T
2B
B)
19
C indoor unit evaporator outlet temp.(T
2B
C)
20
D indoor unit evaporator outlet temp.(T
2B
D)
21
E indoor unit evaporator outlet temp.(T
2B
E)
22
A indoor unit room temp.(T
1
A)
If the temp. is lower than 0 degree, the digital display tube will show
“0”.If the temp. is higher than 50 degree, the digital display tube will
show “50”. If the indoor unit is not connected, the digital display tube
will show: “――”
23
B indoor unit room temp.(T
1
B)
24
C indoor unit room temp.(T
1
C)
25
D indoor unit room temp.(T
1
D)
26
E indoor unit room temp.(T
1
E)
27
A indoor unit evaporator temp.(T
2
A)
If the temp. is lower than -9 degree, the digital display tube will show
“-9”.If the temp. is higher than 70 degree, the digital display tube will
show “70”. If the indoor unit is not connected, the digital display tube
will show: “――”
28
B indoor unit evaporator temp.(T
2
B)
29
C indoor unit evaporator temp.(T
2
C)
30
D indoor unit evaporator temp.(T
2
D)
31
E indoor unit evaporator temp.(T
2
E)
32
Condenser pipe temp.(T3)
33
Outdoor ambient temp.(T4)
34
Compressor discharge temp.(T5)
The display value is between 30~129 degree. If the temp. is lower
than 30 degree, the digital display tube will show “30”.If the temp. is
higher than 99 degree, the digital display tube will show single digit
and tens digit. For example, the digital display tube show “0.5”,it
means the compressor discharge temp. is 105 degree.)
35
AD value of current
The display value is hex number.
For example, the digital display tube shows
“Cd”, it means AD value
is 205.
36
AD value of voltage
Summary of Contents for 38QUS018DS2 Series
Page 16: ...16 78 3 4 A5 Duct ...
Page 19: ...19 78 ...
Page 20: ...20 78 5 Wiring Diagram Outdoor 38QUS018DS2 Outdoor 38QUS027DS3 ...
Page 21: ...21 78 Outdoor 38QUS036DS4 High wall 42QHF009DS 42QHF012DS 42QHF018DS ...
Page 22: ...22 78 A5 Duct 42QSM009DS A5 Duct 42QSM012DS 42QSM018DS ...
Page 23: ...23 78 Four way cassette 42QTD009DS Four way cassette 42QTD012DS 42QTD018DS ...
Page 24: ...24 78 Console ...