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1.  Introduction:

KF-800D air quality controller is the latest model that can be used to control heat recovery and with by-pass valve ventilator, users can choose manual control or timing control for the operation of ventilator. 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.  Function & Feature:

1.  Real-time display indoor temperature；

 2.  Real-time display the current time；

 3. Can individually control anion, heating, defrosting, ultraviolet radiation sterilization lamp, etc. inside ventilator.

4.  At night, it can be adjusted to sleep mode by users.

 5.  Timing mode ( 1- 9 period of time, can be set different timing power on/off state)；

 6.  Can control by-pass valve by manual, and can used to control ventilator with or without heat exchange function.

7.  Working mode: Manual, automatic, timing；

8.  This air quality controller is practical and cost-effective, operation is simple.

9.  Optional RS485 port

3.  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::    -10℃--- +50℃ 

* Standby Power: ≤0.5W                                  * Operating humidity: 5％RH——90％RH

* Control power: ≤200W                                  * Storage temperature: -10℃ --- +60℃ 

* Output interface: Single speed, dual speed, three-speed ventilator      

* Storage humidity: ≤60％RH

* Temperature display range: 0℃——50℃                   * Life: ≥10 years