5.Electrical wiring
19
5-5 Outdoor unit spot-check instructions
Description for spot inspection
Check Table
NUM
Display content
NUM
Display content
0
Frequency / the number of indoor units
16
DC current
1
Outdoor power
17
AC voltage
2
Run mode (0:shut down/air supply;2:refrige
-ration;3:heating;4:forced refrigeration)
18
DC voltage
19
The number of indoor units
3
Indoor demand
20
The number of running indoor units
4
Outdoor after correction demand
21
Priority mode: 0:automatic selection; 1:Heating mode preferred;
2:Refrigeration mode preferred; 3:Only heating mode; 4:Only refrigeration mode;
5:VIP+Automatic mode priority; 6:According to the first mode
5
Actual operation ability
6
Fan speed state (0-8)
22
Reserved
7
T2/T2B average temp.
23
Reserved
8
T3 condenser outlet temp.
24
Reserved
9
T3B condenser middle temp.
25
Reserved
10
T4 outdoor ambient temp.
26
Frequency limit display: 0:unlimited frequency; 1:T3B frequency limits;
2:T4 frequency limits; 4:TP frequency limits; 8:Voltage limiting frequency;
16:current limiting frequency; 32:T6 restrictions; 64:mute frequency limit
11
TP exhaust temp.
12
T6/T9 module temp.
27
Last failure or protection code
13
T7 refrigerant cooling inlet pipe temp.
28
Soft version
14
Electronic expansion valve opening
(Actual value=Show value
*
4)
29
Memorizer version
30
- - -
15
AC current
Failure and Protection
Code
Failure or protection definition
Code
Failure or protection definition
E1
Phase sequence failure
P1
High pressure protection
E2
Comm. failure between indoor and outdoor units
P2
Low pressure protection
E4
Environment temperature sensor failure(T4)
P3
Over current protection
E6
Condensate temperature sensor failure(T3)
P4
Excessive exhaust temperature protection
E8
TP temperature sensor failure(TP)
P5
T3 or T3B condenser over temperature protection
E9
AC overvoltage/undervoltage protection
P6
IPM modules protection
E10
EEPROM failure
P9
DC fan protection
EA
Condensate temperature sensor failure(T3B)
P10
Protected against typhoons
Eb
Reserved
P11
Heating T2 high temperature protection
Ec
Refrigerant cooling inlet pipe temperature sensor failure(T7)
P13
The current detect abnormal protection
H0
Comm. failure between master chip and DSP
Pb
Module over temperature protection
H4
The protection of three times P6 in 30 minutes
H5
The protection of three times P2 in 30 minutes
H6
The protection of three times P4 in 100 minutes
H7
The decrease in the number of indoor
H9
The protection of two times P9 in 10 minutes
H10
The protection of three times P3 in 60 minutes
H11
The protection of two times P13 in 10 minutes
H12
The protection of three times Pb in 60 minutes
SW1 Description (NO
.
1
&
NO
.
2)
SW1
Description (NO
.
3
&
NO
.
4)
ON
1
2
Standard silence mode ON
Reserved
(Factory default)
1 2
ON
3
4
Night time 6
/
10
ON
Night time 8
/
12
(
Factory default
)
3 4
ON
1
2
ON
Nocturnal silence mode
Force mute mode
1 2
ON
3
4
ON
Night time 8
/
10
Night time 6
/
12
3 4
SW2 Description (NO
.
1
&
NO
.
2
&
NO
.
3)
ON
1
2
According to the first mode
3
ON
1
2
Automatically select mode is preferred
(Factory default)
3
ON
1
2
Only heating mode
3
ON
1
2
Refrigeration mode is preferred
3
ON
1
2
Only refrigeration mode
3
ON
1
2
Heating mode is preferred
3
ON
1
2
VIP
+
Automatically select mode is preferred
3
V.1
