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Heat Exchanger Switch Kf 800m - China

price: contact company for price

1. Introduction:

New Air intelligent controller (KF-800M) can monitor real-

time indoor temperature, CO2 concentration. Controller

output signal can directly control the startup and speed of

ventilator. It can be widely used in residential, commercial

and industrial applications, and can effectively improve air

quality, create a healthy, comfortable, energy-efficient

living and working environment.

2. Buttons’ function:

1. button: timing parameter setting

2. button: parameter increase

3. button: parameter reduce

4. button: setting working mode for controller, press this

button slightly, the controller will be switched circularly


3. Display explanation:


Indoor temperature

CO2 concentration

Heating switch mode

Operating mode

Ventilator status

4. Detailed explanation:

1. AUTO (auto mode): high speed: CO2 concentration exceeds

the setting concentration value of 300ppm; middle speed: CO2

concentration exceeds the setting concentration value of

100ppm; low speed: CO2 concentration exceeds the setting

concentration value; stop: CO2 concentration is below the

set concentration value.

2. MANUAL: set the ventilator as OFF(stop), LOW(low speed),

MED(middle speed), HIG((high speed))by buttons and , and

under this mode, the ventilator will run according to the

setting, won’t be affected by CO2 concentration.

3. TIMER (timing mode): run according to set time & speed,

can set from Monday to Sunday, 4 periods every day, and 28

periods in total.

4. Automatic mode –concentration value setting when the

ventilator starts: under the auto mode, press or button

for one second, it will appear CO2 concentration setting

value and flicker, then press and buttons to change the

number (from 350 – 600ppm). Controller will return to normal

working condition and save setting parameter automatically

if you won’t press any buttons more than 10 seconds during

the setting process.

5. Timing parameter setting: press button for 2 seconds to

enter parameter setting. First enter “local time adjust”,

press button to switch week, hour and minute, the

corresponding parameter will flicker, change the number by

and buttons; after finishing adjusting local time, press

button to enter the first period hour setting on Monday,

press button to switch hour, minute, and ventilator speed,

press and buttons to change the number. After finish the

setting, press button to enter the second period hour

setting on Monday…. Repeat above steps to finish all the 28

periods setting. Controller will return to normal working

condition and save setting parameter automatically if you

won’t press any buttons more than 10 seconds during the

setting process.

6. Backlight: CO2 concentration less than 500ppm (green

backlight), 500-799ppm (yellow backlight), higher than

800ppm (red backlight).

5. Specification:

* Dimension: 86×86×40mm

* Warm-up time: 1 minute

* Fixing hole distance: 60mm(standard)

* Response time: ≤10 seconds

* Wiring terminal: Max 2.5 mm2 wire * Recovery

time: ≤30 seconds

* Rated voltage: AC220V 50Hz*

Operating temperature: -10C --- +50C

* Standby Power: ≤0.5W

* Operating humidity: 5%RH——90%RH

* Control power: ≤200W

* Storage temperature: -10C --- +60C

* Output interface: Three-speed ventilator *

Storage humidity: ≤60%RH

* Temperature display range: 0C——50C*

Life: ≥10 years

* CO2 display range: 350ppm——3000ppm

Company Contact:

  • Phone: 8675533979016

  • Address: Room No. 313-314, Yingxin Building, No.3 of Tongsh, Shenzhen, China

  • Email: Email

Published date: March 13, 2013 -

  • Business Description: Founded in 2008, Viewpu (international business department of

    Shenzhen Shinefan Electronic Technology Co., Ltd) is located in the

    high tech industrial zone of Nanshan District. We are the only

    professional high tech enterprise engaged in air quality sensor

    technology research, application and finished development design in

    China. Our company has many R & D staff that is in the field of gas

    sensor research more than 10 years.

    Relying on a deep technical background and lots of experience in product development, we have designed a variety of products for well known manufacturers of ventilation system, integrated ceiling, purification machine and air conditioning.

    Excellent cost effective, advanced control and stability of the long term use are the salient features of our products and services, and we have been praised by the customers at home and abroad.

    Viewpu has always been known for their revolutionary range of high tech products. The product range includes: air quality transmitter, pressure switch, pressure transmitter, methane sensors, air controller, air elf and so on.

    Customers will see more exciting new products and solutions at Viewpu.

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