Requirements On Water Quality; Electric Wiring Work - Gree GRS-CQ4.0Pd/NhG3-E Owner's Manual

MONOBLOC TYPE

16.4 Requirements on water quality

Paramete
pH( 25°C)
Cloudy
Chloride
Fluoride
Iron
Sulphate
SiO
2
Hardness(count CaCO
Nitrate(count N)
Conductance(25°C)
Ammonia (count N)
Alkalinity(count CaCO
Sulfid
Oxygen consumption
Natrium
Note: when circulation water fails to meet requirements listed in the table above, please add anti-scale
composition to keep the unit always in normal operation.

16.5 Electric wiring work

16.5.1 Wiring principle
General principles
(1) Wires, equipment and connectors supplied for use on the site must be in compliance with provisions of
regulations and engineering requirements.
(2) Only electricians holding qualification are allowed to perform wire connection on the site.
(3) Before connection work is started, the power supply must be shut off.
(4) Installer shall be responsible for any damage due to incorrect connection of the external circuit.
(5) Caution --- MUST use copper wires.
(6) Connection of power cable to the electric cabinet of the unit
(7) Power cables should be laid out through cabling trough, conduit tube or cable channel.
(8) Power cables to be connected into the electric cabinet must be protected with rubber or plastic to prevent
scratch by edge of metal plate.
(9) Power cables close to the electric cabinet of the unit must be fixed reliably to make the power terminal in
the cabinet free from an external force.
(10) Power cable must be grounded reliably.
Parametric value
)
3
)
3
Cannot be detected
6.8~8.0
＜ 1
＜ 50
＜ 1
＜ 0.3
＜ 50
＜ 30
＜ 70
＜ 10
＜ 300
＜ 0.5
＜ 50
＜ 3
＜ 150
35
Air-to-water Heat Pump
Unit
/
NTU
mg/L
mg/L
mg/L
mg/L
mg/L
mg/L
mg/L
μs/cm
mg/L
mg/L
mg/L
mg/L
mg/L