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ESI Outdoor Unit Installation Instruction
05.2018
Manufacturer reserves the right to change at any time for specifications or designs without notice and incurring obligations.
Default mode (Spot check)
System state can be showed on the 7 segments display of outdoor unit. Press
BS3
button to get code
number and corresponding detailed information with an interval of one second.
Example:
Code number
Detailed information
Remark
When multi-error codes exist at the same time, each code will be displayed one by one with an interval
of one second,.
No.
Number content
Example
Description (Round numbers)
Default
Refer to default display instructions
902
9:Demand
0:Running under high pressure
2:Cooling mode
01-
AC only or heat pump and outdoor unit
capacity
C3
C:AC only(H: heat pump)
3
:
3Ton(2,3,4,5Ton)
02-
Sub cooling
10
10F
03-
Superheat
18
18F
04-
Frequency of compressor
56
56rps
05-
Electric expanse valve opening
360
360pls
06-
Step of fan
8
8th Step
07-
Low pressure (LP sensor)
145
145psig
08-
High pressure (HP sensor)
350
350psig
09-
TA temperature
95
95F
10-
TS temperature
70
70F
11-
TD temperature
170
170F
12-
TH temperature
80
80F
13-
TL temperature
70
70F
14-
TF temperature
150
150F
15-
Target evaporation temperature(Tes)
43
43F
16-
Current evaporation temperature(Te)
43
43F
17-
Target condensation temperature(Tcs)
104
104F
18-
Current condensation temperature(Tc)
104
104F
19-
Compressor current
10.1
10.1A
20-
Less refrigerant signal
0
0: none 1: level 1 2: level 2
21-
Main software version
A01
A01 version
22-
Inverter software version
b01
b01 version
23-
Current fault
E1
Display up to 5
*
24-
Last fault
F1
--: none
25-
The fault before last fault
F2
--: none
SEG1
SEG2
SEG3
SEG1
SEG2
SEG3