SW1
SW2 SW3
Function
Digital tube LD2 ~ 4 display
Outdoor
unit
address
0-3
E
0
Heater output
LD2
：
CH1
：
1 ON 0 OFF
LD3
：
BH
：
1 ON 0 OFF
LD4
：
Reserved
，
Display “-”
F
0
Program version 1 means Ver1.0
SW1
SW2
SW3
Function
Digital tube LD2 ~ 4 display
0
0
1
Pd
Unit: kg, 2 decimal
0
2
1
Ps
0
3
1
Td
Unit:
℃
0
5
1
Tdef
0
9
1
Tc
0
1E
1
Ts
SW1
SW2
SW3
Function
Digital tube LD1 ~ 4 display
0
0
15
（
F
）
Reserved
0
1
15
（
F
）
Tao
Unit:
o
C
0
2
15
（
F
）
Pd_temp
0
4
15
（
F
）
Ps_temp
0
8
15
（
F
）
Inverter compressor INV1 ON/OFF time
Unit: Min
0
10
（
A
）
15
（
F
）
Inverter compressor INV1 current Tm
Unit: A, 1 decimal
0
11
（
B
）
15
（
F
）
Unit current input
Unit: A, 1 decimal
0
12
（
C
）
15
（
F
）
Inverter compressor INV1 DC voltage
Unit: V
0
13
（
E
）
15
（
F
）
Inverter compressor INV1 temperature
Unit:
O
C
System status display and control (master unit)
SW1
SW2
SW3
Function
Digital tube LD1 ~ 4 display
0
0
2
Refrigerant type
410A means 410A refrigerant
0
1
2
The outdoor units total
capacity in one system
Total outdoor unit capacity (unit: HP)
For example: 5.0 means total capacity is 5HP
0
2
2
Total indoor unit capacity
50 means 50HP
0
3
2
The indoor units quantity in
one system
For example: 64
0
4
2
Running indoor QTY
Thermostat ON indicates indoor running
0
5
2
Indoor QTY whose operation
modes are as the same as
that of outdoor
E.g.: 13 indoors
0
6
2
Cooling /Heatingtarget
temperature
Unit: °C
0
7
2
Actual average Tc2
temperature
0
8
2
Automatic recovery of
refrigerant
Note: after recovery must
cancel the setting or re-power
on)
Press ENTER (SW7) for 3 seconds, into refrigerant recovery,
digital tube display "C0" and" low pressure data" alternately
flashing,indicate enter the refrigerant recovery operation,
Forced cooling mode, all indoor units open, Do not judge
superheat, oil temperature conditions.
after 3 mins, Digital tube shows "C1" and" low pressure data
"flashing alternately, indicate manual close the liquid pipe
stop valve.
When Ps≤1 kg(0.1MP
a）
, Digital Display C2", indicate
manual close the gas pipe stop valve. After 5s, the system
stops automatically, Digital Display C3", Power off
50
Summary of Contents for YEVFD Series
Page 13: ...3 Dimension 11...
Page 14: ...4 Function Parts layout 12...
Page 15: ...5 Center of gravity 13...
Page 16: ...6 Refrigerant Circuit 14...
Page 24: ...10 Operation Range 22...
Page 31: ...29...
Page 32: ...Case 2 obstacles on the inlet and top side 30...
Page 35: ...33...
