Mark ERV500 - Page 25

25
EN
ECO-SMART MODBUS ADDRESS
Parameter
No.
Content Range Default Record Position
00 Power to auto restart 0/1 1 PCB
01 Heater valid or invalid 0/1 0 Controller
02 Bypass opening temperature X 5-30 19 PCB
03 Bypass opening temperature
range Y
2-15 3 PCB
04 Defrosting interval 15-99 30 PCB
05 Defrosting enter temperature -9 to 5 -1 PCB
06 Defrost duration time 2-20 10 PCB
07 CO2 sensor 0 / 80-250
0 = No CO2 sensor
80 = 800 ppm, 250 = 2500 ppm
Advised setting = 1000 ppm
0 PCB
08 ModBus address 01-16 01 PCB
09 ERV ON/OFF 0-OFF 1-ON PCB
10 Supply fan speed Fan speed: 0=stop, 2=speed 1, 3=speed 2,
5=speed 3, 8=speed 4, 9=speed 5,
10=speed 6, 11=speed 7, 12=speed 8,
13=speed 9, 14= speed 10
PCB
11 Exhaust fan speed Fan speed: 0=stop, 2=speed 1, 3=speed 2,
5=speed 3, 8=speed 4, 9=speed 5,
10=speed 6, 11=speed 7, 12=speed 8,
13=speed 9, 14= speed 10
PCB
12 Room temperature observed value, showing number minus 40 PCB
13 Outdoor temperature observed value, showing number minus 40 PCB
14 Exhaust air temperature observed value, showing number minus 40 PCB
15 Defrosting temperature observed value, showing number minus 40 PCB
16 External ON/OFF signal query value, 0=off, 1=on PCB
17 CO2 ON/OFF signal query value, 0=off, 1=on PCB
18 Fire alarm signal/bypass/
defrosting signal
query value:
B0- 1-re alarm ON
B1- 1-bypass on
B2- 1-bypass off
B3- 1- defrosting
PCB
20 Error symbol query value:
B0-OA sensor error, B1-EEPROM error,
B2-RA sensor error, B3-EA sensor error
B5-SA sensor error, B6-Supply Fan error,
B7-Exhuast Fan error
PCB
24 Multifunction Setting 0-Reserved, 1-Filter alarm clear PCB
25 Filter alarm timer 0-45 days, 1-60 days
2-90 days, 3-180 days
PCB
27 Heater on/off temperature 10-25 PCB
768 CO2 value PPM PCB
769 Fan running time record Unit: 0.1h , range 0-65535 PCB
770 Indoor humidity 1% PCB
Conguration Modbus
Protocol Modbus RTU
Default slave adress 01
Baud rate 4800 bps or 9600 bps
Data length 8
Parity None
Stop bits 1
Physical layer RS485 (two wire + GND)