Haier HSU-07HEK03 User Manual download pdf (Page 4)

Outdoor unit

1.Connection of pipes

2.Attaching Drain-Elbow

To bend a pipe, give the roundness as large as possible not to crush the pipe

Connecting the pipe of gas side first makes working easier.

The max vertical distance between the indoor unit and the outdoor unit is 5 m.

If the drain-elbow is used, please attach it as

figure. (Note: Only for heat pump unit.)

Half union

Flare nut

Spanner

Torque wrench

Outdoor unit

Forced fastening without careful centering

may damage the threads and cause a

leakage of gas.

Be careful that matters, such as wastes of sands, etc.

shall not enter the pipe.

3.Purging Method:

Push the air out of the indoor unit and piping as followes:

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, 20g or 60g(only for 22k 24k) refrigerant shall be

added per exceeding meter. Charge according to the following list.

Piping length

Additional amount

5m 7m

No need 40g

10m

100g

for 5k 7k 9k 10k 12k 13k 18k

for 22k 24k

Max. Length: for 5K 7K 9K 10K: A=7m

for 12K 13K: A=10m

for 18K 22K 24K: A=20m

Max.Elevation:

for 5K 7K 9K 10K 12K 13K: B=5m

for 18K 22K 24K: B=10m

Piping length

Additional amount

5m 7m

No need

120g

10m

300g

20m

900g

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Oil trap

CAUTION

In case more than 5 metres，oil trap

should be installed every 5~7m.

Pipe Diameter ( )

Liquid side 6.35mm(1/4")

Gas side 9.52mm(3/8")

Fastening torque

18N.m

40N.m

Gas side 12.7mm(1/2")

50N.m

Gas side 15.88mm(5/8")

60N.m

Liquid side 9.52mm(3/8")

40N.m

1 2 3 4

Comments to this Manuals

No comments

Haier HSU-07HEK03 User Manual Page 4

Comments to this Manuals