Gree GMV5 Series Service Manual page 334

Description
Printed Mark Terminal
S1(1)
DIP switch
S1(2)
G1 Wiring
G2 terminal
4.2.4 I/O Module
Printed
Terminal
Mark
8 (+)
Wiring
9 (-)
terminal
E0(0)
E1(1) Wiring
E/A2(2) terminal
E/A3(3)
E/A4(4)
E/A5(5) Wiring
A6(6) terminal
A7(7)
Note: when the input voltage between DI and GND is 24V, the DI interface is enabled; when the
output voltage between DO and GND is 24V, the DO interface is enabled.
4.3 Indicating LEDs
4.3.1 Power Indicating LED
As shown in the figure below, the printed mark ―Power‖ represents the power indicating LED. When it
turned to red, it indicates the BACnet gateway is powered on; when it turns off, it indicates the BACnet
gateway is powered off.
4.3.2 PCD 3.M6340 Indicating LED
GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
Pin
1/2: without the
matched
resistance
ON: with the
matched
resistance
G1: CAN_H
G2: CAN_L
Pin
PIN8:+24VDC
PIN9:GND
0: fire alarm input
1, 2, 3: input
4, 5, 6, 7: output
Description
As shown in the figure above,
when the switch is set to the
end ―ON‖, it indicates the
matched resistance is added;
when the switch is set to the
digital end ―1/2‖, it indicates the
matched resistance is not
added. The later is the default.
Two-wire line, used to connect
the CAN bus.
Description
24V /DC
Two-wire signal line. 0 is the fire alarm
input and other I/Os can be defined by
the user.
Two-wire signal line. I/Os can be
defined by the user.
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