Installation Of The Control Box - Gree GMV-N140U/A-T Manual De Instalación Y Operación

temperature does not exceed 120°C during welding.
② Make sure that the other parts such as electrical box, tie wraps and wires are
protected from direct welding flames during welding.
③ The EXV box is required to be installed in a vertical direction within the range of 90±15°
(not allowed for horizontal work). Welding the connection tubes first before refrigerant
pipes in order to avoid face-down soldering.
(4) Secure the wire clamp (C) in place again (6xM4.2).
(5) Make sure that field pipes are fully insulated. Make sure that there is no gap between
both ends in order to avoid condensation dripping (finish the connection with tape
eventually).

4.4 Installation of the Control Box

4.4.1 Mechanical Installation
Fix the control box with its hanger brackets to the mounting surface.
（1）
Open the lid of the control box.
（2）
For electrical wiring: refer to the following contents.
（3）
Install the screw nuts.
（4）
Close the unnecessary openings.
（5）
Close the lid securely after installation to ensure that the control box is watertight.
（6）
4.4.2 Wire connection Inside the Control Box
Notes:
① Pull the wires inside through the screw nut and close the nut firmly in order to ensure a
good pull relieve and water protection.
② The cables require an additional pull relief. Fixing the cable with the wire clamp.
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OPERATING INSTALLATION MANUAL FOR AHU-KIT UNIT
Fig.4.4
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