Haier 1U07BS1ERA [12/64] Caution

Haier 1U07BS1ERA [12/64] Caution
1U07BS1ERA
1U09BS1ERA
1U12BS1ERA
1U18FS1ERA
1U24GS1ERA
1.
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
B
Outdoor unit
Indoor unit
Oil trap
Tobend a pipe,givetheroundnessaslargeaspossiblenottocrushthepipe,
ƽ
andthebendingradiusshouldbe30to40
mm or longer.
Connecting the pipe of gas side rst makes working easier.
ƽ
TheconnectionpipeisspecializedforR410A.ƽ
Half union
Flare nut
Torque wrench
CAUTION
Be careful that matters, such as wastes of sand
s,water
,etc.shallnotenterthepipe.
ThestandardpipelengthisC m.IfitisoverDm,thefunctionoftheunitwillbeaffected.Ifthepipe
has
to be lengthened, the refrigerant should be charged,
according to E g/m. But the charge of refrigerant
must
beconductedbyprofes
sionalairconditionerengineer.Beforeaddingadditionalrefrigerant,
perform
air
purgingfromtherefrigerantpipesandindoorunitusing a vacuumpump,then
Spanner
Forced fastening without careful centering may
damagethethreadsandcause a leakageofgas.
Pipe Diameter(ǿ) Fastening torque
Liquid side6.35mm(1/4") 18N.m
Liquid/Gas side9.52mm(3/8") 42 N.m
Gasside12.7mm(1/2") 55N.m
Gasside15.88mm(5/8") 60N.m
Max.Elevation:
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7
Max. Length:
In case the pipe length B is
more thanDm, the refrigerant
should be charged, according
to E g/m.
Connection of pipes
charge
additional refrigerant.
Amax
Bmax
2.
10

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