Gree GKH18D3FI, Service Manual

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U-Match Series DC Inverter Service Manual
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Table 2-7-3 Door control wiring port
No. Terminal name Terminal instruction
1 CN1 CN1 wiring terminal and door control interface of indoor main board
2 X1(AC-L, AC-N)
X1(AC-L, AC-N) wiring terminal, connected to door control input
signal, rated voltage 220V.
3 X2 X2 wiring terminal, connected to door control input signal
(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 door control accessories
are connected, the unit will control the ON/OFF of unit according to the card state detected by door control
detection board. When the card is not connected, the unit will turn to standby state. If the unit is with wired
controller, icon will be displayed on the wired controller.
If the unit is without wired controller, there will be no display. The unit will control the ON/OFF of unit
according to the detected information.
(3) Setting method:
Under off state of the unit, press Function and Timer buttons at the same time for 5s to go to the
debugging menu.
Press Mode button to adjust to “08” in temperature displaying zone. Timer zone displays
setting state and press ▲ or ▼ button to adjust. There are 2 selections:
1) Without door control function (LCD displays 00)
2) With door control function (LCD displays 01)
Choose the second selection and then press Enter/Cancel button to save and exit setting. Now, door
control function is activated. The unit will memorize this setting status. The setting value will be memorized
after power failure. The detailed setting is as shown in the Figure below:
Figure 2-7-7