Gree GMV-N280U/A-T User Manual

OPERATING INSTALLATION MANUAL FOR AHU-KIT UNIT
4
3 Preparations for Installation
3.1 Before Installation
Notes: Product graphics are only for reference. Please refer to actual products.
Unspecified measure unit is mm.
① This equipment is designed for R410A system, and the designed working pressure is 4.2
MPa or 42 bar.
② Precautions for R410A:
a).The refrigerant requires strict cautions for keeping the system clean, dry and tight.
—Clean and dry：Foreign materials (including mineral oils or moisture)should be prevented
from getting mixed into the system.
—Tight：Read this manual carefully and follow these procedures correctly.
b).Since R410A is a mixed refrigerant, the required additional refrigerant must be charged
in its liquid state. ( If the refrigerant is in state of gas, its composition changes and the
system will not work properly).
c).The connected air handling units must have heat exchangers designed exclusively for
R410A．
③ Never use this appliance under inflammable and explosive gas.
④ For the following items, take special care during construction and check after installation
is finished:
Tick √ when checked
□ Are the thermistors fixed firmly?
Thermistor may come loose.
□ Is the capacity code setted correctly?
The performance of system may not achieve it’s requirement.
□ Is the control box fixed firmly?
The unit may drop, vibrate or make noise.
□ Do electrical connections comply with specifications?
The unit may malfunction or components may burn out.
□ Are wiring and piping correct?
The unit may malfunction or components may burn out.
□ Is the unit safely grounded?
Dangerous at electric leakage.
3.2 Standard Fittings
Please use the supplied standard fittings listed below as instructed.
No.
Name
Appearance
Quantity
1
Magnetic ring
1
2
Swell screw
4

Gree GMV-N280U/A-T Specifications

General

Brand	Gree
Model	GMV-N280U/A-T
Category	Air Conditioner
Language	English