Haier HSU-12H03/V(ZXF) [7/8] Outdoor unit

Haier HSU-12H03/V(ZXF) [7/8] Outdoor unit
Outdoor unit
6.Purging Method:
1.Remove the four screws of fresh air box from the back cover.
2.Use six screws to fix fresh air box onto the designated position on the outdoor unit.
3.Remove two screws of the pipe junction of the fresh air box, then insert the flared departure of
the change for fresh air tube into the pipe junction and then fix with the screws.
4.Use four screws to fix the fresh air box onto the back cover, as illustrated:
Fresh air box
Fresh air
box
Fresh air tube
Fresh air tube
Fresh air tube
Screw
hole
Dust
filtration
mesh
Screw
Screw
Joint of tube
Flared departure
5.Installation instruction on the outdoor part of the fresh air device
Back
cover
Note:After wiring, the connecting terminals of outdoor unit and change-fresh-air as well as the wiring sheath should be
placed in the change-for-fresh-air box against the rain.
Connecting terminal
Fresh air signal wire
(with guard ring)
Change-for-fresh-air box
7
3-way valve
2-way valve
6.35mm(1/4")
12.7mm(1/2")
2-way valve
6.35mm(1/4")
3-way valve
9.52mm(3/8")
HSU-09C03/VA(ZXF)
HSU-09H03/VA(ZXF)
HSU-12C03/VA(ZXF)
HSU-12H03/VA(ZXF)
HSU-18C03/V(ZXF)
HSU-18H03/V(ZXF)
2-way valve
9.52mm(3/8")
3-way valve
15.88mm(5/8")
HSU-22C03/V(ZXF)
HSU-22H03/V(ZXF)
HSU-22C03/V(ZF)
HSU-22H03/V(ZF)
HSU-12H03/VB(ZXF)
HSU-12H03/V(ZXF)
HSU-24C03/V(ZXF)
12.7mm(1/2")
HSU-24C03/V(ZF)
HSU-24H03/V(ZXF)
HSU-24H03/V(ZF)
Push the air out of the indoor unit
and piping as followes:
(1) Remove the valve cap on 2-way
valve in outdoor unit.
(2) Loosen by 1/2 turn the flare nut of
gas pipe, which is conneted to
3-way valve.
(3) Loosen 2-way valve by 90
o
using
hexagon wrench, and after approx.
10 sec tighten it up. Gas comes out
through flare nut on wide pipe. If no
gas is discharged, tighten flare nut
with specified torque.
(4) Open 2-way and 3-way valves
using specified torque.
(5) Tighten the caps on the valves
with specified torque.
Valve rod
Valve cap
7-9
20-25
Tighten torque N.m
When connecting pipe exceeds 5 meters, 16g refrigerant shall be added
per exceeding meter. Charge according to the following list.
Piping length
Additional amount
5m 7m
10m
No need
32g
During this procedure, 50g refrigerant will be discharged in piping.
(This must be strictly controlled within 90
o
and 10 sec.)
Brand new outdoor unit is charged 50g more refrigerant than regulated weight.
Only for first installation, this extra 50g can be used to purge air in pipes.
Note: When extending piping, air inside piping shall be removed by using external
refrigerant gas, charge according to the following list.
80g

Содержание

Скачать