Structure; Outdoor Unit & Refrigerant Cycle; Necessary Tools And Instrument List For Installation - Hisense AVWT-408FHFSHA Installation Manual

1.Structure

1.1 Outdoor Unit & Refrigerant Cycle
Regarding structure drawings and refrigerant cycle diagram, please refer to Technical Catalogue.

1.2 Necessary Tools and Instrument List for Installation

The design pressure for this product is 601psi(4.15MPa).
To avoid accidental mixing of the different refrigerant or different refrigerant oil, the sizes of the charging
connections have been changed. It is necessary to prepare the following tools before performing installation.
No. Tool
Handsaw
1
Phillips Screwdriver
2
3 Vacuum Pump
Refrigerant Gas Hose
4
Megohmmeter
5
Note: Use tools and measuring instruments exclusively for the new refrigerant R410A in case of direct
contact with the refrigerant.
The pressure of refrigerant R410A is 1.4 times higher than that of conventional refrigerant, impurities such as
moisture, oxide film, and grease affect R410A easily. Be sure to remove any moisture, dust, different refrigerant
or refrigeration oil from the refrigerant cycle. Otherwise, it may lead to explosion, injury, leakage, electric shock
or a fire.
Tool
No.
Copper Pipe Bender
6
Plier
7
8 Pipe Cutter
Brazing Kit
9
Hexagon Wrench
10
DANGER
1
No.
Tool
Spanner
11
Charging Cylinder
12
13 Control Valve
Cutter for Wires
14
Gas Leak Detector
15
No.
Tool
Leveller
16
Clamper for Solderless
17
Terminals
18 Hoist (for Indoor Unit)
Ammeter
19
Voltage Meter
20