Pipe Connection - Gree NCHS1D Owner's Manual

GMV6 HR Mode Exchange Box
Cautions for Installation:
① The Mode Exchange Box must be installed by using hanger rod. During installation, the
components must be kept vertically upright according to the indicated direction.
② During installation, enough space shall be considered for removal of the components. The pipe
shall not be jammed between the components.
③ The distance of the component to the indoor unit along the pipe shall not be higher than
5000mm.
④ The Mode Exchange Box and its upstream branch pipe must be installed on the same
horizontal plane (See schematics below).

4.2 Pipe Connection

4.2.1 Installation Instruction for Silencer
If there's silencer in the packing accessories, please refer to below diagram for its installation
method. Take NCHS4D for example.
Connect either left or right side of the mode exchange box to outdoor unit for piping according to
installation space;
(1) Installation instruction for silencer while the right side of box is connected to outdoor unit.
Weld to take off the junction sealing caps on low pressure gas pipe nozzle and liquid pipe nozzle.
Cut off the sealing cap of high pressure gas pipe with a pipe cutter.
Level
Fig.4.1.13
Fig.4.1.14
15