Operation and Use
AI01
AI02
AI03
AI04
AI05
AI06
AI07
AI08
AI09
AI10
AI11
AI12
AI13
AI14
AI15
AI16
AI17
AI18
AI19
AI20
AI21
AI22
DI01
DI02
DI03
No use
No use
No use
No use
No use
No use
DO1_PWM
AO1
DI1_PWM
DO2_PWM
Overload switch of electric heater
5V
Temperature of the EVI outlet
Temperature of the EVI inlet
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Outlet water temperature
Inlet water temperature
Exhaust temperature
Ambient temperature
Suction temperature
Water flow protection switch
Mode switch
No use
No use
No use
No use
No use
No use
No use
No use
No use
No use
Mode signal output
No use
No use
No use
No use
No use
No use
Romore/emergency input switch
Number
Sign
Meaning
Main board of the input and output interface instructions below
The high-preesure switch
The low-preesure switch
Antifreeze Temperature /
Coil temperature
Hotwater temperature
DI04
DI05
DI06
DI07
DI08
DI09
DI10
AO2
DI2_PWM
DO3_PWM
DI3_PWM
Emergency switch output
2
6