Purging Method - Haier 0010554405B Installation Manual

5.Installation instruction on the outdoor part of the fresh air device
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:
Change-for-fresh-air box
Connecting terminal
Fresh air signal
wire
(with guard ring)
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.

6.Purging Method:

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
is conneted to 3-way valve.
(3) Loosen 2-way valve by 90
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.
Tighten torque N.m
Valve rod 7-9
Valve cap 20-25
When connecting pipe exceeds 5 meters, 20g or 60g
(only for 22k 24k) refrigerant shall be added per exceeding
meter. Charge according to the following list.
for 9k 12k 18k
Piping length 5m
Additional amount No need 40g
Indoor unit
Outdoor unit
Max.Elevation:
Max. Length:
Note: When extending piping, air inside piping shall be removed by using external refrigerant gas,
charge according to the following list.
Brand new outdoor unit is charged 50g or 80g(22k,24k) more refrigerant than regulated weight. Only for
first installation, this extra 50g or 80g(22k,24k) can be used to purge airin pipes.
During this procedure, 50g or 80g(22k,24k) refrigerant will be discharged in piping.(This must be
strictly controlled within 90
Outdoor unit
o
using hexagon wrench,
for 22k 24k
10m
5m 7m
7m
100g
No need 120g
A
A
B
B
Indoor unit
for 9K 12K: B=5m
for 18K 22K 24K: B=10m
for 9K : A=7m
for 12K: A=10m
for 18K 22K 24K: A=20m
o
and 10 sec.)
Screw
hole
Fresh air box
Dust
Fresh air tube
filtration
mesh
2-way valve
6.35mm(1/4")
3-way valve
HSU-09C03/VA(ZXF)
HSU-09H03/VA(ZXF)
HSU-12C03/VA(ZXF)
HSU-12H03/VA(ZXF)
2-way valve
9.52mm(3/8")
10m
20m
300g
900g
Outdoor unit
Outdoor unit
CAUTION
In case more than 5 metres oil trap
should be installed every 5~7m.
7
Back
cover
Fresh air
box
Screw
Fresh air tube
2-way valve
6.35mm(1/4")
9.52mm(3/8")
12.7mm(1/2")
HSU-18C03/V(ZXF)
HSU-18H03/V(ZXF)
HSU-12H03/VB(ZXF)
HSU-12H03/V(ZXF)
3-way valve
15.88mm(5/8")
HSU-24C03/V(ZXF)
HSU-24C03/V(ZF)
HSU-24H03/V(ZXF)
HSU-24H03/V(ZF)
HSU-24HK0307
HSU-24HD0307
HSU-22C03/V(ZXF)
HSU-22H03/V(ZXF)
HSU-22C03/V(ZF)
HSU-22H03/V(ZF)
A
Oil trap
C
Indoor unit
B
Fresh air tube
Flared departure
Screw
Joint of tube
3-way valve
12.7mm(1/2")
C