Key Points Of Installation - Gree R410A Service Manual

1.2 Key Points of Installation

Installation Procedures
Material Selection and Equipment Inspection
Communic
ation wire
Installation of
indoor unit Remote Control
Drainage
Pipe
Installation of
connection
pipes
◆ The materials specified on the engineering drawing shall
◆ The materials not specified on the engineering drawing
◆
◆ The power cables shall be separated from communication
◆ To avoid breaking the communication wires, please do not
Connection
◆ For multiple units, please mark them properly.
◆ Switch on the unit, and ensure there is no display of
◆ Each BU module and indoor unit under the same system
Address dial
code
◆ The wired controller and its corresponding indoor unit
◆ Select the remote control mode.
◆ The centralized controller and communication module
Power cord
◆ The power cable must meet the specifications.
◆ The PVC pipes must meet the specifications.
◆ A specific gradient must be provided along the water flow
Installation
◆ Carry out water detection after installation.
◆ Carry out thermal insulation to the drainage pipe only after
◆ The thermal insulation tube must meet the specifications.
Thermal
◆ Seal between the thermal insulation pipes to avoid air
insulation
◆ The copper tube must meet the specifications.
◆ Ensure it is dry and clean inside the tube.
◆ Make sure to charge nitrogen as required for protection
Welding
◆ Please keep to the welding process and ensure the system
◆ Add a dual-way filter on liquid pipe side
◆ For multiple systems, please mark them properly.
◆ Carry out leakage detection under pressure after welding.
Description and Acceptance Criteria
be purchased as specified (e.g. copper tube, thermal
insulation tube, PVC pipe, power cables, air switch, etc).
shall be purchased according to the actual quantity of
works (e.g. hanger frame, cable duct, etc).
Check if the outdoor unit, indoor unit, BU modules,
communication wires and accessories are complete.
wires at a least distance of 2cm.
use strong force.
"Communication Wire Error E6".
has a unique address dial code.
have the same address dial code.
shall be installed free from the source of interference.
direction.
the water detection is accepted.
entry.
when welding the tubes.
free of leakage.
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65 INSTALLATION