Refrigerant Piping Work - Hisense AVW-48UESC Installation & Maintenance Manual

5.2

Refrigerant Piping Work

(1) Ensure that the directions for refrigerant piping work according
to the tables.
Table 5.1 Limitation of Outdoor Unit
Diameter
Capacity
(KBtu/h)
48
54
Table 5.2 Indoor Unit Pipe Model
Indoor Unit Pipe Model
07~14
17~18
22~24
Outer Diameter of Pipe
Gas Liquid
Branch Pipe
HFQ-052F
Gas Pipe Liquid Pipe
(2) Additional Refrigerant Charge R410A
Although refrigerant has been charged into this unit,
it is required that additional refrigerant be charged
according
to piping length.
Table 5.3 is Outdoor Unit Ref.charge before shipment
Outdoor Unit Model
Capacity(KBtu/h)
48
54
Calculate charge refrigerant quantity by liquid pipe
length,charge it to refrigerant cycle.
Inform local service the quantity of charging refrigerant
after finish charging.
9
3.6
3.6
liquid length
liquid length