Norsup P31V/32 - Page 26

4. OPERATION AND USE
(2) Controller interface diagram and definition
Main board of the input and output interface instructions below
Number
Sign
Meaning
01
OUT1
Compressor (output 220-230VAC)
02
OUT2
Water pump (output 220-230VAC)
03
OUT3
4-way valve (output 220-230VAC)
04
OUT4
High speed of fan (output 220-230VAC)
05
OUT5
Low speed of fan (output 220-230VAC)
06
AC-L
Live wire (input 220-230VAC)
07
AC-N
Neutral wire (input 220-230VAC)
08
AI/DI01
Emergency switch input
09
AI/DI02
Water flow switch input
10
AI/DI03
System low pressure input
11
AI/DI04
System high pressure input
12
AI/DI05
System suction temperature input
13
AI/DI06
Water input temperature input
14
AI/DI07
Water output temperature (input)
15
AI/DI08
System fan coil temperatureinput
16
AI/DI09
Ambient temperature input
17
AI/DI10
Mode switch input
18
AI/DI11
Master-slave machine switch / Antifreeze temperature input
19
AI12(50K)
System Exhaust temperature input
20
0_5V_IN
Compressor current detection/Pressure sensor (input)
21
PWM_IN
Master-slave machine switch / Feedback signal of EC
fan (input)
22
PWM_OUT
AC fan control (output)
23
0_10V_OUT
EC fan control (output)