Gree U-MATCH Series Service Manual page 41

U-Match Series DC Inverter Service Manual
Note:
You can purchase the accessory from Gree. The information is as below:
Name
Controller for door control
function (MK03)
7.2.2 Human sensitive function
You can purchase the module of human sensitive function for this series. An interface for this
module is reserved on the mainboard of indoor unit.
(1) Interface instruction:
1) The printing is CN23 and the interface type is JST B3B-PH-K-S;
2) Electrical characteristic: 1-pin: +12V; 2-pin: detection port; 3-pin: GND; current: 150mA;
3) Working principle: when the module detects there is nobody in the room, 2-pin and 3-pin are
short-circuited and they are low electrical level; when there are somebody in the room, 2-pin output is
high electrical level.
(2) Function instructions:
In order to achieve this function, set it through wired controller and refer to the following operation
method. It is defaulted that this function is not activated; if this function is set and human sensitive
module is connected, the unit will control the ON/OFF of unit according to the signal detected by human
sensitive module. When there is nobody in the room and the unit is with wired controller,
Figure 2-7-7
Product code
MC207022
38
Remark
One controller for one unit
icon will be