Gree HOME GMV [139/367] Installation of outdoor unit

Gree HOME GMV [139/367] Installation of outdoor unit
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION
135
Skecth map of installation Efor floor heating
Diagram E Model of hydro-box No need for floor heating
GMV-Pds224W/Na-M RQD20LA-M /
GMV-Pds280W/Na-M RQD30LA-M /
The above installtion methods can be selected for installation of the unit. The system consists of the
following parts: outdoor unit, hydro-box, water-tank (Water tanks are different for different methods) and the
selection method is explained in detail in the instruction of hydro-box. Besides, This unit can connect with floor
heating and solar water heater and please refer to the diagram B,C,D,E for connection methods.
Note:
Connect outlet of hydro-box with outlet of water tank while connect inlet of hydro-box with inlet of water-tank.
Connect gas pipe and liquid pipe of outdoor unit with refrigerants pipe of hydro-box according to their sizes
When the system needs to connect with floor heating system, install electromagnetic valves C and D which
are respectively used for heating control of floor and waterway of water tank.
After the system has connected with floor heating, feeding nozzle of tap water and drain joint shall be
installed due to their different waterways, which is shown as diagram D.
Horizontal distance between water heater and water tank shall be within 5m and drop height shall be not
exceed 3m. If such values are exceeds their specified range, please contact with us. The recommended
installaion method is that the water tank is installed on the bottom while the water heater is on the top.
The back water pump can be installed if needed which is used for keeping the water’s temp inside the water
pipe.
Please prepare materials according to the specifications above, PPR pipe is recommended if the cut-off valve
is installed outside.
Only when the water heater has been fixed, the water pipeling can be installed. Keep the dust and other
things away from the piping system.
After all pipelines have been installed, execute leak detection.If there is no leakage, execute insulation work
to all pipelines, especially to the valve and pipe joints. Insulating cotton whose thickness is not less than
15mm is recommended.
Dependening on the pressure of tap water, water tank can provide hot water. Therefore, tap water is essential
for using hot water.
Keep the cut-off valve of inlet of water tank open when using it.
5 INSTALLATION OF OUTDOOR UNIT
5.1 Hoisting of Unit
Transport the unit to a place as close as possible to the installing site before taking it out of the
packaging box.
CAUTIONS!
Never put any object on top of the unit before and after installation.
To lift the machine with crane, please use two ropes to lift the outdoor unit.
Hoisting Method
The machine must be balanced when it is lifted. Check and ensure that the machine can be lifted
up safely and stably.
CAUTIONS!
Do not attach the ropes to the lower wood frame of the packaging box.

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