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MagnumFirst.com

  11/11 

Fan Speed Mode 

DF2 

0x02 Medium 
0x03 High 

Air  Switch

For  fresh 

air and air exhaust

 

DF3 

0x00  air  exhaust  switch 
off and fresh air switch on 
0x01  air  exhaust  switch 
on and fresh air switch off 
0x02  air  exhaust  switch 
on and fresh air switch on 

Indoor 

PM2.5 

Concentration 

DF4- DF5 

0--1000 

μg/m³ 

Indoor 

CO2 

Concentration 

DF6- DF7 

0--5000 

ppm 

Indoor Temperature 

DF8- DF9 

0--600 

(Corresponding  value  -100)  / 
10 

°

  C  (-10.0-50.0),  one 

decimal place is reserved 

Indoor Humidity 

DF10 

0--95 

0-95 %

Indoor 

HCHO 

Concentration 

DF11- DF12 

Reserved 

Indoor VOC lever 

DF13-DF14 

DF4=0x01 VOC L1 
DF4=0x02 VOC L2 
DF4=0x03 VOC L3 

(1-3) 

Error code 

DF15- DF16 

Reserved 

Reserved 

DF17- DF18 

Reserved 

DF19- DF20 

CheckSum 

CS 

After-Sales Services and Consultancy 

Magnum First Corporation
370 Falls Commerce Parkway
Cuyahga Falls, OH  44224
716-293-1588
sales@magnumfirst.com
www.MagnumFirst.com

Summary of Contents for M9-IAQS

Page 1: ...Compatible with push button and touch screen operation Using standard 86 box size thickness 24mm PM2 5 CO2 RH T etc multiple sensors can be optionally selected With fresh air control function three l...

Page 2: ...530 25 2 50 10 RH CO2 Measurement accuracy 50ppm 5 of reading 0 50 Temperature Measurement accuracy 1 Humidity Measurement accuracy 8 RH PM Response time T90 8s CO2 Response time T90 120s Working cond...

Page 3: ...ions and Interface Definition 1 Dimensions Unit mm tolerance 0 2 mm 2 Pin definition No Pin Description 1 TA Communication port RS485_TA 2 TB Communication port RS485_TB 3 12V Power input 12VDC 24VDC...

Page 4: ...agnumFirst com 5 11 UI Interface Description Parameter Range corresponding to color LIST Gas Level Range Color PM2 5 g m Good 0 75 Just so so 75 115 Bad 115 CO2 ppm Good 0 600 Just so so 600 1000 Bad...

Page 5: ...o There are four modes manual intelligent mute and periods Default is manual mode Long press till the buzzer off then is WIFI status 3 Operation Instructions 1 Switch on and off press and hold the for...

Page 6: ...de The fan speed switched by the user Despite the time period and air quality The fan speed can be adjusted by the The adjustment range is low medium high 6 Mute mode The fan runs at low speed and can...

Page 7: ...ecting Cable connect the corresponding cable to the controller s RS485 interface according to the interface definition as shown below Step 3 Match the two holes in the controller with the hooks in the...

Page 8: ...r or rub it against hard objects during use otherwise it may cause damage to the controller s external light and damage Do not place the controller in a dusty environment to avoid dust accumulation in...

Page 9: ...Sending by controller is fixed as 11H Length Length of frame bytes data length 2 including CMD IP DATA Command Command is fixed as 55H Address Controller address is 1 254 default is 01H Data Data of...

Page 10: ...tration DF6 DF7 0 5000 ppm Indoor Temperature DF8 DF9 0 600 Corresponding value 100 10 C 10 0 50 0 one decimal place is reserved Indoor Humidity DF10 0 95 0 95 Indoor HCHO Concentration DF11 DF12 Rese...

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