Gree GMV-VQ680WM/C-X Service Manual page 381

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(3) Check whether the components and connecting wires are well connected.
(4) Install the side plate, electric box cover, panel top cover, tighten the screws, and weld the
connection pipes for gas pipe and liquid pipe.
5.3.6 Disassembly and assembly operation of water flow switch
Preparation
(1) Cut off the power supply of unit system.
(2) Drain the water inside the hydro box.
(3) Remove the top cover, please refer to section 5.3.2.1 Remove the Top Cover.
(4) Remove the panel of unit, please refer to section 5.3.2.2 Remove the Front Panel and
Rear Panel of Unit.
(5) Remove the electric box cover, please refer to section 5.3.2.3 Remove the Electric Box
Cover..
Removing procedure
(1) Disconnect the wiring terminal of water switch；
(2) Turn the plastic fastener on the water flow switch counterclockwise to unscrew the water
flow switch.
Installation procedure
(1) Install the new water flow switch to the correct position (the arrow on the top of the water
flow switch is vertical to the plate heat exchanger).
(2) Connect the wiring terminal of water switch.
(3) Install the electric box cover, panel and top cover.
GMV6 HR DC Inverter VRF Units Service Manual
379